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Company Name: WPX Energy, Inc.

CIK: 1518832

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2012-05-04

Last Filing Date: 2020-11-03

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

2012-04-01	2012-06-30	CY2011Q2	2012-08-03	0001193125-12-332446	$ 198,900,000	View
2012-07-01	2012-09-30	CY2011Q3	2012-11-01	0001193125-12-446699	$ 199,100,000	View
2012-01-01	2012-12-31	CY2010	2013-02-28	0001193125-13-084857	$ 198,800,000	View
2013-01-01	2013-03-31	CY2012Q1	2013-05-02	0001445305-13-001071	$ 199,900,000	View
2013-04-01	2013-06-30	CY2012Q2	2013-08-01	0001518832-13-000003	$ 200,400,000	View
2013-07-01	2013-09-30	CY2012Q3	2013-11-07	0001518832-13-000008	$ 200,700,000	View
2013-01-01	2013-12-31	CY2011	2014-02-27	0001518832-14-000011	$ 200,500,000	View
2014-01-01	2014-03-31	CY2013Q1	2014-05-07	0001518832-14-000014	$ 201,500,000	View
2014-04-01	2014-06-30	CY2013Q2	2014-08-06	0001518832-14-000021	$ 202,700,000	View
2014-07-01	2014-09-30	CY2013Q3	2014-11-05	0001518832-14-000024	$ 203,300,000	View
2014-01-01	2014-12-31	CY2012	2015-02-26	0001518832-15-000002	$ 202,700,000	View
2015-01-01	2015-03-31	CY2014Q1	2015-05-06	0001518832-15-000005	$ 204,100,000	View
2015-04-01	2015-06-30	CY2014Q2	2015-08-06	0001518832-15-000008	$ 205,000,000	View
2015-07-01	2015-09-30	CY2014Q3	2015-11-05	0001518832-15-000015	$ 251,200,000	View
2015-01-01	2015-12-31	CY2015	2016-02-25	0001518832-16-000018	$ 234,200,000	View
2015-01-01	2015-12-31	CY2013	2016-05-25	0001518832-16-000025	$ 234,200,000	View
2016-01-01	2016-03-31	CY2015Q1	2016-05-05	0001518832-16-000021	$ 276,100,000	View
2016-04-01	2016-06-30	CY2015Q2	2016-08-04	0001518832-16-000030	$ 300,700,000	View
2016-07-01	2016-09-30	CY2015Q3	2016-11-03	0001518832-16-000035	$ 341,500,000	View
2016-01-01	2016-12-31	CY2014	2017-02-23	0001518832-17-000004	$ 313,300,000	View
2018-01-01	2018-03-31	CY2017Q1	2018-05-03	0001518832-18-000006	$ 398,600,000	View
2019-01-01	2019-03-31	CY2018Q1	2019-05-02	0001518832-19-000009	$ 421,000,000	View
2019-04-01	2019-06-30	CY2018Q2	2019-08-06	0001518832-19-000014	$ 422,500,000	View
2019-07-01	2019-09-30	CY2018Q3	2019-10-31	0001518832-19-000018	$ 420,800,000	View
2020-01-01	2020-03-31	CY2020Q1	2020-05-07	0001518832-20-000010	$ 458,000,000	View
2020-04-01	2020-06-30	CY2020Q2	2020-07-31	0001518832-20-000014	$ 559,700,000	View
2020-07-01	2020-09-30	CY2020Q3	2020-11-03	0001518832-20-000019	$ 561,000,000	View
2011-01-01	2011-12-31	CY2011Q4I	2012-05-15	0001193125-12-235045	$ 197,100,000	View
2012-01-01	2012-03-31	CY2012Q1I	2012-05-04	0001193125-12-209028	$ 198,100,000	View
2017-01-01	2017-03-31	CY2016Q1	2017-05-04	0001518832-17-000007	$ 3	View
2017-07-01	2017-03-31	CY2016Q3	2017-11-02	0001518832-17-000019	$ 3	View
2017-01-01	2017-03-31	CY2017	2018-02-22	0001518832-18-000003	$ 3	View
2017-01-01	2017-03-31	CY2017Q1I	2018-05-07	0001518832-18-000010	$ 3	View
2017-04-01	2017-06-30	CY2017Q2I	2017-08-03	0001518832-17-000013	$ 3	View
2018-04-01	2018-06-30	CY2017Q2	2018-08-02	0001518832-18-000013	$ 6,000,000	View
2018-04-01	2018-06-30	CY2016	2019-02-21	0001518832-19-000005	$ 6,000,000	View
2018-07-01	2018-09-30	CY2018Q3	2018-11-01	0001518832-18-000016	$ 6,000,000	View
2019-07-01	2019-09-30	CY2019Q3	2020-02-28	0001518832-20-000006	$ 3,000,000	View

SEC Facts By Type

Type	Name	Description	View

dei	Entity Common Stock, Shares Outstanding	Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.	View
srt	Sales and Transfers of Oil and Gas Produced, Net of Production Costs	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.	View
us-gaap	Accumulated Other Comprehensive Income (Loss), Net of Tax	Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.	View
us-gaap	Additional Paid in Capital, Common Stock	Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.	View
us-gaap	Bank Overdrafts	Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.	View
us-gaap	Business Acquisition, Share Price	Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.	View
us-gaap	Business Acquisition, Pro Forma Net Income (Loss)	The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Revenue	The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.	View
us-gaap	Business Combination, Acquired Receivable, Fair Value	Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.	View
us-gaap	Business Combination, Acquisition Related Costs	This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.	View
us-gaap	Business Combination, Consideration Transferred	Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.	View
us-gaap	Business Combination, Consideration Transferred, Other	Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.	View
us-gaap	Capitalized Costs, Proved Properties	Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.	View
us-gaap	Capital Lease Obligations	Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.	View
us-gaap	Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations	For the entity and the disposal group, cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents.	View
us-gaap	Cash Provided by (Used in) Operating Activities, Discontinued Operations	Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Collateral Already Posted, Aggregate Fair Value	The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.	View
us-gaap	Common Stock, Dividends, Per Share, Cash Paid	Aggregate dividends paid during the period for each share of common stock outstanding.	View
us-gaap	Common Stock, Dividends, Per Share, Declared	Aggregate dividends declared during the period for each share of common stock outstanding.	View
us-gaap	Costs Incurred, Acquisition of Oil and Gas Properties	Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.	View
us-gaap	Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.	View
us-gaap	Deferred Other Tax Expense (Benefit)	Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.	View
us-gaap	Deferred Tax Assets, Capital Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.	View
us-gaap	Deferred Tax Assets, Derivative Instruments	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.	View
us-gaap	Deferred Tax Assets, Gross	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Current	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.	View
us-gaap	Derivative Asset, Noncurrent	Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative, Cost of Hedge Net of Cash Received	The premium (cost) of a hedge, net of any cash received on settlement during the period.	View
us-gaap	Derivative, Fair Value, Amount Offset Against Collateral, Net	The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement.	View
us-gaap	Derivative Asset, Fair Value, Gross Asset	Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.	View
us-gaap	Derivative Liability, Fair Value, Gross Asset	Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.	View
us-gaap	Derivative, Net Liability Position, Aggregate Fair Value	The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Assets	Amount classified as other assets attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent	Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31)	For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.	View
us-gaap	Disposal Group, Including Discontinued Operation, Revenue	Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Equity Method Investment, Ownership Percentage	The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.	View
us-gaap	Equity Method Investments	This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.	View
us-gaap	Exploration Expense	"Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells."	View
us-gaap	Impairment of Oil and Gas Properties	The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.	View
us-gaap	Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.	View
us-gaap	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.	View
us-gaap	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities, Current	Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Long-term Line of Credit	The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.	View
us-gaap	Natural Gas Production Revenue (Deprecated 2018-01-31)	Revenue from natural gas production during the reporting period. Natural gas consists largely of the hydrocarbon methane, and is found in underground formations either by itself or with crude oil.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities	Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Operating Lease, Payments	Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.	View
us-gaap	Operating Lease, Payments, Use	Amount of cash outflow from operating lease to bring another asset to condition and location necessary for its intended use.	View
us-gaap	Operating Leases, Future Minimum Payments Due	Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.	View
us-gaap	Other Commitment	Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment for Held-to-maturity Transferred to Available-for-Sale Securities, Net of Tax (Deprecated 2012-01-31)	Unrealized holding gain (loss), net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain (loss) at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category.	View
us-gaap	Payments to Acquire Oil and Gas Property and Equipment	The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.	View
us-gaap	Payments to Acquire Property, Plant, and Equipment	The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.	View
us-gaap	Preferred Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Proceeds from Noncontrolling Interests	Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.	View
us-gaap	Proceeds from Unsecured Lines of Credit	The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is uncollateralized (where debt is not backed by the pledge of collateral).	View
us-gaap	Production Costs, Period Cost	The capitalized costs incurred during the period (excluded from amortization) to operate and maintain wells and related equipment and facilities, including depreciation and applicable operating costs of support equipment and facilities and other costs of operating and maintaining those wells and related equipment and facilities. They become part of the cost of oil and gas produced. Examples of production costs (sometimes called lifting costs) are: costs of labor to operate the wells and related equipment and facilities; repairs and maintenance; materials, supplies, and fuel consumed and supplies utilized in operating the wells and related equipment and facilities; property taxes and insurance applicable to proved properties and wells and related equipment and facilities; severance taxes; some support equipment or facilities may serve two or more oil and gas producing activities and may also serve transportation, refining, and marketing activities. To the extent that the support equipment and facilities are used in oil and gas producing activities, their depreciation and applicable operating costs become exploration, development or production costs, as appropriate. Depreciation, depletion, and amortization of capitalized acquisition, exploration, and development costs are not production costs but also become part of the cost of oil and gas produced along with production (lifting) costs identified above.	View
us-gaap	Proved Developed and Undeveloped Reserves, Net	The net quantity of proved reserves as of the balance sheet date. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable.	View
us-gaap	Proved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with proved reserves under the successful effort method.	View
us-gaap	Refining and Marketing Costs (Deprecated 2018-01-31)	Cost incurred related to the downstream oil and gas activities, including refining of crude oil and marketing and distribution of crude oil, refined petroleum products, and natural gas.	View
us-gaap	Refining and Marketing Revenue (Deprecated 2018-01-31)	Revenue related to the downstream oil and gas activities, including the refining of crude oil, as well as the marketing and distribution of crude oil, refined petroleum products, and natural gas.	View
us-gaap	Repayment of Notes Receivable from Related Parties	The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.	View
us-gaap	Repayments of Lines of Credit	Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.	View
us-gaap	Repayments of Other Debt	Amount of cash outflow for the payment of debt classified as other.	View
us-gaap	Restricted Cash	Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.	View
us-gaap	Restricted Cash and Cash Equivalents	Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Results of Operations, Depreciation, Depletion, Amortization and Accretion	Depreciation, depletion, amortization, and accretion related to oil and gas producing activities.	View
us-gaap	Results of Operations, Dry Hole Costs	Dry hole costs from oil and gas producing activities.	View
us-gaap	Results of Operations, Expense from Oil and Gas Producing Activities	The amount of expenses related to oil and gas producing activities.	View
us-gaap	Results of Operations, Exploration Expense	Exploration costs from oil and gas producing activities.	View
us-gaap	Results of Operations, General and Administrative Related to Oil and Gas Producing Activities	General and administrative costs from oil & gas producing activities.	View
us-gaap	Results of Operations, Impairment of Oil and Gas Properties	Costs related to the impairment of oil and gas properties	View
us-gaap	Results of Operations, Income before Income Taxes	Income before income taxes for oil and gas producing activities.	View
us-gaap	Results of Operations, Income Tax Expense	Income tax expense for oil and gas producing activities.	View
us-gaap	Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs)	The results of operations for oil and gas producing activities, excluding corporate overhead and interest costs.	View
us-gaap	Results of Operations, Revenue from Oil and Gas Producing Activities	Total revenues from oil and gas producing activities.	View
us-gaap	Results of Operations, Revenue, Other	Other revenues from oil and gas producing activities.	View
us-gaap	Results of Operations, Transportation Costs	Includes the cost to prepare and move liquid hydrocarbons and natural gas to their points of sale.	View
us-gaap	Retained Earnings (Accumulated Deficit)	The cumulative amount of the reporting entity's undistributed earnings or deficit.	View
us-gaap	Revenues	Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).	View
us-gaap	Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31)	Amount of revenue from transactions with other operating segments of the same entity.	View
us-gaap	Revisions of Previous Quantity Estimates	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves.	View
us-gaap	Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	Amount of increase in right-of-use asset obtained in exchange for operating lease liability.	View
us-gaap	Sales and Transfers of Oil and Gas Produced, Net of Production Costs	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.	View
us-gaap	Share-based Payment Arrangement, Noncash Expense	Amount of noncash expense for share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	The risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	Rate of weighted-average expected volatility for award under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	Number of shares authorized for issuance under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	Net number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	Weighted average price at which option holders acquired shares when converting their stock options into shares.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit	The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit	The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.	View
us-gaap	Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price	Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.	View
us-gaap	Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds (Deprecated 2015-01-31)	The value of all consideration given or received by the Entity in the significant acquisition or disposal.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	Stockholders' Equity Attributable to Parent	Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.	View
us-gaap	Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.	View
us-gaap	Stockholders' Equity, Other	This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	Number of share options (or share units) exercised during the current period.	View
us-gaap	Stock Issued During Period, Value, Acquisitions	Value of stock issued pursuant to acquisitions during the period.	View
us-gaap	Stock Issued During Period, Value, New Issues	Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.	View
us-gaap	Stock Repurchased and Retired During Period, Value	Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).	View
us-gaap	Stock Repurchased During Period, Shares	Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.	View
us-gaap	Stock Repurchase Program, Authorized Amount	Amount of stock repurchase plan authorized.	View
us-gaap	Taxes, Miscellaneous	All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.	View
us-gaap	Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.	View
us-gaap	Undistributed Earnings of Foreign Subsidiaries	Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.	View
us-gaap	Unproved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with unproved reserves under the successful effort method.	View
us-gaap	Unrealized Gain (Loss) on Cash Flow Hedging Instruments	Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.	View
us-gaap	Unrealized Gain (Loss) on Derivatives	The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.	View
us-gaap	Unrealized Gain (Loss) on Investments	Amount of unrealized gain (loss) on investment.	View
us-gaap	Unrecognized Tax Benefits	Amount of unrecognized tax benefits.	View
us-gaap	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.	View
us-gaap	Weighted Average Number of Shares Outstanding, Diluted	The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic and Diluted	Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic	Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic and Diluted (Deprecated 2012-01-31)	The average number of shares or units issued and outstanding that are used in calculating basic and diluted EPS.	View
us-gaap	Wells in Process of Drilling	The number of wells in the process of being drilled in each geographic area as of the date listed.	View
us-gaap	Write off of Deferred Debt Issuance Cost	Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Net	Net amount of capitalized costs relating to oil and gas producing activities.	View
us-gaap	Interest Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Expense, Long-term Debt	Aggregate amount of interest paid or due on all long-term debt.	View
dei	Entity Public Float	The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.	View
srt	Decrease Due to Sales of Minerals in Place	Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place.	View
srt	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
srt	Changes in Estimated Future Development Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.	View
srt	Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves.	View
srt	Increase Due to Purchases of Minerals in Place	Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place.	View
srt	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
srt	Previously Estimated Development Costs Incurred	Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred.	View
srt	Revisions of Previous Quantity Estimates	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources.	View
srt	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	Accounts Payable, Current	Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Payable, Other, Current	Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.	View
us-gaap	Accounts Payable, Related Parties, Current	Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Payable, Trade, Current	Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Receivable, after Allowance for Credit Loss	Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.	View
us-gaap	Accounts Receivable, after Allowance for Credit Loss, Current	Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.	View
us-gaap	Accounts Receivable, Related Parties, Current	Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.	View
us-gaap	Accretion Expense	Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.	View
us-gaap	Accretion Expense, Including Asset Retirement Obligations	Amount of accretion expense, which includes, but is not limited to, accretion expense from asset retirement obligations, environmental remediation obligations, and other contingencies.	View
us-gaap	Accretion of Discount (Deprecated 2016-01-31)	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.	View
us-gaap	Accrual for Taxes Other than Income Taxes, Current	Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accrued Income Taxes, Current	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.	View
us-gaap	Accrued Liabilities and Other Liabilities	Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.	View
us-gaap	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.	View
us-gaap	Acquisition Costs, Period Cost	The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.	View
us-gaap	Additional Collateral, Aggregate Fair Value	The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.	View
us-gaap	Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	Amount of decrease in additional paid in capital (APIC) resulting from dividends legally declared (or paid) in excess of retained earnings balance.	View
us-gaap	Adjustments to Additional Paid in Capital, Other	Amount of other increase (decrease) in additional paid in capital (APIC).	View
us-gaap	APIC, Share-based Payment Arrangement, Increase for Cost Recognition	Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.	View
us-gaap	Share-based Payment Arrangement, Expense	Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss, Current	Amount of allowance for credit loss on accounts receivable, classified as current.	View
us-gaap	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.	View
us-gaap	Asset Impairment Charges	Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.	View
us-gaap	Asset Retirement Obligation	The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Asset Retirement Obligation, Current	Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Asset Retirement Obligation, Liabilities Incurred	Amount of asset retirement obligations incurred during the period.	View
us-gaap	Asset Retirement Obligation, Liabilities Settled	Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.	View
us-gaap	Asset Retirement Obligation, Revision of Estimate	Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.	View
us-gaap	Asset Retirement Obligations, Noncurrent	Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Assets	Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Assets, Current	Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Assets Held-for-sale, Current (Deprecated 2014-01-31)	Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year.	View
us-gaap	Disposal Group, Including Discontinued Operation, Assets	Amount classified as assets attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Assets, Current	Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Assets of Disposal Group, Including Discontinued Operation, Noncurrent (Deprecated 2014-01-31)	The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for noncurrent assets (assets with expected useful life longer than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	Amount of assets acquired at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current	Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as current.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	The amount of inventory recognized as of the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	Amount of liabilities assumed at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	The amount of property, plant, and equipment recognized as of the acquisition date.	View
us-gaap	Business Combination, Separately Recognized Transactions, Net Gains and Losses	The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.	View
us-gaap	Banking Regulation, Total Capital, Actual	Amount of total capital as defined by regulatory framework.	View
us-gaap	Capital Expenditure, Discontinued Operations	Amount of capital expenditure attributable to discontinued operations.	View
us-gaap	Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Gross	The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.	View
us-gaap	Capitalized Costs, Unproved Properties	Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.	View
us-gaap	Capitalized Exploratory Well Costs	The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period.	View
us-gaap	Cash and Cash Equivalents, at Carrying Value	Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Cash and Cash Equivalents, Period Increase (Decrease)	Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Common Stock, Par or Stated Value Per Share	Face amount or stated value per share of common stock.	View
us-gaap	Common Stock, Shares Authorized	The maximum number of common shares permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Common Stock, Shares, Issued	Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.	View
us-gaap	Common Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Contractual Obligation	Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.	View
us-gaap	Contractual Obligation, to be Paid, after Year Five	Amount of contractual obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year Five	Amount of contractual obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year Four	Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year One	Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year Two	Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year Three	Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contributions from Noncontrolling Interests (Deprecated 2013-01-31)	Amount of cash inflow from contributions from noncontrolling interests in an investment.	View
us-gaap	Conversion of Stock, Amount Issued	"The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Conversion of Stock, Shares Converted	"The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Conversion of Stock, Shares Issued	"The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Cost of Services, Oil and Gas (Deprecated 2019-01-31)	Costs of generating revenue from oil and gas-related services including well services (such as drilling, rigs and analytic evaluations), transportation, and other supporting contractor services, during the reporting period.	View
us-gaap	Costs and Expenses	Total costs of sales and operating expenses for the period.	View
us-gaap	Costs Incurred, Acquisition of Unproved Oil and Gas Properties	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves.	View
us-gaap	Costs Incurred, Development Costs	Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.	View
us-gaap	Costs Incurred, Exploration Costs	Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.	View
us-gaap	Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities	Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense.	View
us-gaap	Current Federal Tax Expense (Benefit)	Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Foreign Tax Expense (Benefit)	Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.	View
us-gaap	Current State and Local Tax Expense (Benefit)	Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Debt and Lease Obligation	Amount of short-term and long-term debt and lease obligation.	View
us-gaap	Debt, Current	Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.	View
us-gaap	Debt Instrument, Face Amount	Face (par) amount of debt instrument at time of issuance.	View
us-gaap	Debt Instrument, Redemption Price, Percentage	Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.	View
us-gaap	Debt Instrument, Repurchase Amount	Fair value amount of debt instrument that was repurchased.	View
us-gaap	Debt Instrument, Repurchased Face Amount	Face (par) amount of the original debt instrument that was repurchased.	View
us-gaap	Debt Issuance Cost (Deprecated 2016-01-31)	Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).	View
us-gaap	Decrease Due to Sales of Minerals in Place	Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place.	View
us-gaap	Deferred Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Debt Issuance Costs, Gross	Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Costs, Net	Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Cost, Gross, Noncurrent	Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Costs, Noncurrent, Net	Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Deferred Foreign Income Tax Expense (Benefit)	Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Income Tax Expense (Benefit)	Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Tax Liabilities, Gross	Amount of deferred tax liability attributable to taxable temporary differences.	View
us-gaap	Deferred Income Tax Liabilities, Net	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.	View
us-gaap	Deferred State and Local Income Tax Expense (Benefit)	Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Tax Asset, Parent's Basis in Discontinued Operation	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the parent entity's basis in a discontinued operation.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, State and Local	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.	View
us-gaap	Deferred Tax Assets, Valuation Allowance	Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.	View
us-gaap	Deferred Tax Liabilities, Net	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.	View
us-gaap	Deferred Tax Liabilities, Net, Current	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.	View
us-gaap	Deferred Tax Liabilities, Derivatives	Amount of deferred tax liability attributable to taxable temporary differences from derivatives.	View
us-gaap	Deferred Tax Liabilities, Net, Noncurrent	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.	View
us-gaap	Deferred Tax Liabilities, Other	Amount of deferred tax liability attributable to taxable temporary differences classified as other.	View
us-gaap	Deferred Tax Liabilities, Property, Plant and Equipment	Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.	View
us-gaap	Defined Benefit Plan, Plan Assets, Contributions by Employer	Amount of contribution received by defined benefit plan from employer which increases plan assets.	View
us-gaap	Defined Contribution Plan, Cost	Amount of cost for defined contribution plan.	View
us-gaap	Depreciation, Depletion and Amortization	The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.	View
us-gaap	Derivative Asset, Collateral, Obligation to Return Cash, Offset	Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.	View
us-gaap	Derivative Asset, Fair Value, Gross Liability	Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.	View
us-gaap	Derivative Asset, Fair Value, Net (Deprecated 2013-01-31)	Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets.	View
us-gaap	Derivative Asset	Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Asset, Current	Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Disposal Group, Including Discontinued Operation, Operating Income (Loss)	Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Derivative, Cash Received on Hedge	The amount of cash received during the period on settlement of a hedge.	View
us-gaap	Derivative, Collateral, Obligation to Return Cash	Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.	View
us-gaap	Derivative, Collateral, Right to Reclaim Cash	Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.	View
us-gaap	Derivative, Cost of Hedge	The premium (cost) of a hedge, expensed during the period.	View
us-gaap	Derivative Asset, Fair Value, Amount Not Offset Against Collateral	Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.	View
us-gaap	Derivative Liability, Fair Value, Gross Liability	Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.	View
us-gaap	Derivative Liability, Fair Value, Amount Not Offset Against Collateral	Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.	View
us-gaap	Derivative, Gain (Loss) on Derivative, Net	Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.	View
us-gaap	Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.	View
us-gaap	Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.	View
us-gaap	Derivative Instruments Not Designated as Hedging Instruments, Gain	Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments.	View
us-gaap	Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.	View
us-gaap	Derivative Liability	Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Liability, Current	Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Liability, Noncurrent	Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Liability, Collateral, Right to Reclaim Cash, Offset	Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.	View
us-gaap	Derivative Liability, Fair Value, Net (Deprecated 2013-01-31)	Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities.	View
us-gaap	Derivative Liability, Fair Value of Collateral	Fair value of securities pledged as collateral against derivative liabilities.	View
us-gaap	Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.	View
us-gaap	Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.	View
us-gaap	Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share	Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation, when the per share amount is the same.	View
us-gaap	Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.	View
us-gaap	Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.	View
us-gaap	Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax	Amount before tax of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.	View
us-gaap	Discontinued Operation, Tax Effect of Discontinued Operation	Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.	View
us-gaap	Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Accounts Payable	Amount classified as accounts payable attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities, Current	Amount classified as accounts payable and accrued liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Accrued Liabilities	Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Assets, Noncurrent	Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Consideration	Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities	Amount classified as deferred tax liabilities attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Depreciation and Amortization	Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, General and Administrative Expense	Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, Inventory (Deprecated 2014-01-31)	For the disposal group, including a component of the entity (discontinued operation), carrying amount of inventories (net of all valuation allowances and write-downs).	View
us-gaap	Disposal Group, Including Discontinued Operation, Inventory	Amount classified as inventory attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Including Discontinued Operation, Operating Expense	Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Assets, Current	Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Liabilities, Current	Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Expense	Amount of other expense attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, Other Income	Amount of other income attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.	View
us-gaap	Due to Affiliate	Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.	View
us-gaap	Earnings Per Share, Basic	The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.	View
us-gaap	Earnings Per Share, Basic and Diluted	The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.	View
us-gaap	Earnings Per Share, Diluted	The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.	View
us-gaap	Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	Percentage of domestic federal statutory tax rate applicable to pretax income (loss).	View
us-gaap	Effect of Exchange Rate on Cash and Cash Equivalents	Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.	View
us-gaap	Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	Amount of cost not yet recognized for nonvested award under share-based payment arrangement.	View
us-gaap	Energy Related Inventory, Gas Stored Underground	Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet seasonal and peak load demands, and also as insurance against unforeseen supply disruptions, and deemed to be a current asset because it is expected to be used within twelve months or in the normal operating cycle.	View
us-gaap	Energy Related Inventory, Natural Gas in Storage	Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.	View
us-gaap	Equity Method Investment, Other than Temporary Impairment	This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.	View
us-gaap	Equity Method Investment, Realized Gain (Loss) on Disposal	Amount of gain (loss) on sale or disposal of an equity method investment.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Current Assets (Deprecated 2020-01-31)	The amount of current assets reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Current Liabilities (Deprecated 2020-01-31)	The amount of current liabilities reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations (Deprecated 2020-01-31)	Amount of income (loss) from continuing operations reported by an equity method investee.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Liabilities (Deprecated 2020-01-31)	The amount of liabilities reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31)	The amount of net income (loss) reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Noncurrent Assets (Deprecated 2020-01-31)	The amount of noncurrent assets reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities (Deprecated 2020-01-31)	The amount of noncurrent liabilities reported by an equity method investment of the entity.	View
us-gaap	Equity Method Investment, Summarized Financial Information, Revenue (Deprecated 2020-01-31)	Amount of revenue from sale of product and rendering of service reported by equity method investee.	View
us-gaap	Escrow Deposits Related to Property Sales	Escrow deposits related to property sales in noncash investing and financing activities.	View
us-gaap	Excess Tax Benefit from Share-based Compensation, Financing Activities	Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.	View
us-gaap	Excess Tax Benefit from Share-based Compensation, Operating Activities	Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.	View
us-gaap	Exploration Abandonment and Impairment Expense	The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project.	View
us-gaap	Gain (Loss) on Extinguishment of Debt	Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.	View
us-gaap	Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost	Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.	View
us-gaap	Gain (Loss) on Disposition of Assets for Financial Service Operations	Amount of gain (loss) on sale or disposal of assets utilized in financial service operations.	View
us-gaap	Gains (Losses) on Sales of Other Assets (Deprecated 2013-01-31)	The net gain (loss) resulting from the sale or disposal of assets not required to be reported separately in the statement of income.	View
us-gaap	Gas and Oil Area, Developed, Net	Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells.	View
us-gaap	Gas and Oil Area, Undeveloped, Gross	Lease area in which a working interest is owned and on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves.	View
us-gaap	Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31)	Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products.	View
us-gaap	General and Administrative Expense	The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.	View
us-gaap	Goodwill, Impairment Loss	Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Impairment of Leasehold	The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities	Amount classified as liabilities attributable to disposal group held for sale or disposed of.	View
us-gaap	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)	Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)	Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
us-gaap	Gain (Loss) on Disposition of Assets	Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.	View
us-gaap	Gain (Loss) on Fair Value Hedges Recognized in Earnings	Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.	View
us-gaap	Gain (Loss) on Sale of Interest in Projects	Gain (loss) included in earnings resulting from the sale of interest in projects.	View
us-gaap	Gain (Loss) on Disposition of Other Assets	Amount of gain (loss) on sale or disposal of other assets.	View
us-gaap	Gain (Loss) on Disposition of Oil and Gas and Timber Property	Amount of gain (loss) on sale or disposal of oil and gas property or timber property.	View
us-gaap	Gain (Loss) on Disposition of Proved Property	Amount of gain (loss) on sale or disposal of property with proven oil and gas reserves.	View
us-gaap	Gain (Loss) on Termination of Lease	Amount of gain (loss) on termination of lease before expiration of lease term.	View
us-gaap	Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	Amount after tax of income (loss) from continuing operations attributable to the parent.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Foreign	The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.	View
us-gaap	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.	View
us-gaap	Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.	View
us-gaap	Income (Loss) from Continuing Operations, Per Basic and Diluted Share	The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.	View
us-gaap	Income (Loss) from Continuing Operations, Per Basic Share	The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.	View
us-gaap	Income (Loss) from Continuing Operations, Per Diluted Share	The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.	View
us-gaap	Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.	View
us-gaap	Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share	Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same.	View
us-gaap	Income (Loss) from Equity Method Investments	Amount of income (loss) for proportionate share of equity method investee's income (loss).	View
us-gaap	Income Tax Examination, Penalties and Interest Accrued	The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.	View
us-gaap	Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Income Taxes Paid	The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.	View
us-gaap	Income Taxes Paid, Net	The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.	View
us-gaap	Income Taxes Receivable	Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.	View
us-gaap	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.	View
us-gaap	Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.	View
us-gaap	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.	View
us-gaap	Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).	View
us-gaap	Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in state and local income tax contingency.	View
us-gaap	Increase (Decrease) in Accounts Payable	The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.	View
us-gaap	Increase (Decrease) in Accounts Receivable	The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.	View
us-gaap	Increase (Decrease) in Income Taxes Payable	The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.	View
us-gaap	Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities	Amount of increase (decrease) in accrued expenses, and obligations classified as other.	View
us-gaap	Increase (Decrease) in Book Overdrafts	The increase (decrease) in cash during the period due to the net increase or decrease in book overdrafts.	View
us-gaap	Increase (Decrease) in Commodity Contract Assets and Liabilities	The increase (decrease) during the reporting period in the assets (liabilities) created through trading commodity-based derivative instruments.	View
us-gaap	Increase (Decrease) in Derivative Liabilities	The increase (decrease) during the period in the carrying value of derivative instruments reported as liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer).	View
us-gaap	Changes in Estimated Future Development Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.	View
us-gaap	Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves.	View
us-gaap	Increase (Decrease) in Inventories	The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.	View
us-gaap	Increase (Decrease) in Margin Deposits Outstanding	The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position.	View
us-gaap	Increase (Decrease) in Other Accrued Liabilities	The increase (decrease) during the reporting period in other expenses incurred but not yet paid.	View
us-gaap	Increase (Decrease) in Other Operating Assets	Amount of increase (decrease) in operating assets classified as other.	View
us-gaap	Increase (Decrease) in Other Operating Assets and Liabilities, Net	Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.	View
us-gaap	Increase Due to Purchases of Minerals in Place	Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place.	View
us-gaap	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.	View
us-gaap	Interest Costs Capitalized	Amount of interest capitalized during the period.	View
us-gaap	Interest Costs Capitalized Adjustment	Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred.	View
us-gaap	Interest Payable, Current	Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Inventory Adjustments	Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.	View
us-gaap	Inventory, Net	Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.	View
us-gaap	Inventory Write-down	Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.	View
us-gaap	Investments	Sum of the carrying amounts as of the balance sheet date of all investments.	View
us-gaap	Operating Leases, Rent Expense	Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.	View
us-gaap	Lease, Cost	Amount of lease cost recognized by lessee for lease contract.	View
us-gaap	Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	Amount of lease operating expense related to property used in oil and gas production.	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid	Amount of lessee's undiscounted obligation for lease payment for operating lease.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due after Rolling Year Five	Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Five	Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Four	Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Three	Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Two	Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.	View
us-gaap	Lessee, Operating Lease, Liability, Undiscounted Excess Amount	Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.	View
us-gaap	Letters of Credit Outstanding, Amount	The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.	View
us-gaap	Liabilities and Equity	Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.	View
us-gaap	Liabilities, Current	Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.	View
us-gaap	Liabilities of Assets Held-for-sale (Deprecated 2014-01-31)	Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset.	View
us-gaap	Liabilities of Business Transferred under Contractual Arrangement, Current	The current carrying amount, due within one year or one operating cycle, if longer, of liabilities resulting from the transfer of a business segment under contractual arrangement where the transferor maintains certain risks, obligations or liabilities.	View
us-gaap	Liabilities of Business Transferred under Contractual Arrangement, Noncurrent	The noncurrent portion, due in greater than one year or one operating cycle, if longer, of liabilities resulting from the transfer of a business segment under contractual arrangement where the transferor maintains certain risks, obligations, or liabilities.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.	View
us-gaap	Line of Credit Facility, Commitment Fee Percentage	The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.	View
us-gaap	Line of Credit Facility, Increase (Decrease), Net	Amount of increase (decrease) of the credit facility.	View
us-gaap	Line of Credit Facility, Maximum Borrowing Capacity	Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.	View
us-gaap	Long-term Debt	Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-term Debt and Lease Obligation	Amount of long-term debt and lease obligation, classified as noncurrent.	View
us-gaap	Long-term Debt and Lease Obligation, Current	Amount of long-term debt and lease obligation, classified as current.	View
us-gaap	Long-term Debt, Current Maturities	Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-term Debt, Fair Value	The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.	View
us-gaap	Long-term Debt, Excluding Current Maturities	Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.	View
us-gaap	Long-term Investments	The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).	View
us-gaap	Long-term Purchase Commitment, Amount	The minimum amount the entity agreed to spend under the long-term purchase commitment.	View
us-gaap	Loss Contingency Accrual	Amount of loss contingency liability.	View
us-gaap	Loss Contingency Accrual, Period Increase (Decrease)	Amount of increase (decrease) in loss contingency liability.	View
us-gaap	Loss Contingency, Damages Sought, Value	The value (monetary amount) of the award the plaintiff seeks in the legal matter.	View
us-gaap	Loss on Contract Termination	The loss recognized on termination of a contract.	View
us-gaap	Margin Deposit Assets	The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.	View
us-gaap	Materials, Supplies, and Other	The carrying amount of capitalized costs of materials, supplies, and other assets, which are not included in inventory but used in production.	View
us-gaap	Stockholders' Equity Attributable to Noncontrolling Interest	Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).	View
us-gaap	Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.	View
us-gaap	Natural Gas Storage Revenue (Deprecated 2018-01-31)	Revenue from storage facilities, such as a LNG ( Liquefied Natural Gas) storage facility.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities	Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities	Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Income (Loss) Attributable to Parent	The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.	View
us-gaap	Net Income (Loss) Attributable to Noncontrolling Interest	Amount of Net Income (Loss) attributable to noncontrolling interest.	View
us-gaap	Net Income (Loss) Available to Common Stockholders, Basic	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.	View
us-gaap	Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) from continuing operations available to common shareholders.	View
us-gaap	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
us-gaap	Noncontrolling Interest, Increase from Subsidiary Equity Issuance	Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.	View
us-gaap	Nonmonetary Transaction, Gain (Loss) Recognized on Transfer	Disclosure of the difference in values (gain (loss)) between the nonmonetary assets or liabilities exchanged with another entity inclusive of boot (small monetary consideration).	View
us-gaap	Notes Payable, Related Parties, Current	The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Notional Amount of Price Risk Derivatives (Deprecated 2013-01-31)	Aggregate notional amount of price risk derivatives, which relates to the monetary amount specified in the price risk derivative instruments. Excludes notional amounts on derivatives expressed in nonmonetary units.	View
us-gaap	Oil and Condensate Revenue (Deprecated 2018-01-31)	Revenue from sale of residue oil and condensate, which normally exists in the reservoir as gas but condenses out as a liquid during production.	View
us-gaap	Oil and Gas Delivery Commitments and Contracts, Daily Production	Amount of daily production of the applicable energy source.	View
us-gaap	Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization	Amount of accumulated depreciation, depletion and amortization of oil and gas property carried under the successful effort method. Oil and gas property include, but not limited to, the entity's wells and related equipment and facilities.	View
us-gaap	Oil and Gas Property, Successful Effort Method, Gross	Oil and Gas properties, gross, carried under the successful effort method.	View
us-gaap	Oil and Gas Property, Successful Effort Method, Net	Oil and gas properties net of accumulated depreciation, depletion, amortization, impairment, and abandonment, carried under the successful effort method.	View
us-gaap	Oil and Gas Sales Revenue (Deprecated 2018-01-31)	Revenue from the sale of oil and gas during the period.	View
us-gaap	Operating Costs and Expenses	Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.	View
us-gaap	Operating Income (Loss)	The net result for the period of deducting operating expenses from operating revenues.	View
us-gaap	Operating Lease, Expense	Amount of operating lease expense. Excludes sublease income.	View
us-gaap	Operating Lease, Liability	Present value of lessee's discounted obligation for lease payments from operating lease.	View
us-gaap	Operating Lease, Liability, Current	Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.	View
us-gaap	Operating Lease, Liability, Noncurrent	Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.	View
us-gaap	Operating Lease, Right-of-Use Asset	Amount of lessee's right to use underlying asset under operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Five Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Four Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Three Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Two Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due Thereafter	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Next Rolling Twelve Months	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Lease, Weighted Average Discount Rate, Percent	Weighted average discount rate for operating lease calculated at point in time.	View
us-gaap	Other Accrued Liabilities, Current	Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.	View
us-gaap	Other Assets, Current	Amount of current assets classified as other.	View
us-gaap	Other Assets, Noncurrent	Amount of noncurrent assets classified as other.	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax	Amount after tax and reclassification adjustments of other comprehensive income (loss).	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)	This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2013-01-31)	Net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2013-01-31)	Tax effect of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31)	Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.	View
us-gaap	Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).	View
us-gaap	Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).	View
us-gaap	OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.	View
us-gaap	Other Cost and Expense, Operating	The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.	View
us-gaap	Other Income	Amount of revenue and income classified as other.	View
us-gaap	Other Income Tax Expense (Benefit), Continuing Operations	Amount of other current and other deferred income tax expense (benefit) attributable to continuing operations.	View
us-gaap	Other Inventory, in Transit, Gross	Gross amount of merchandise or supplies to which the entity holds the title but does not hold physical possession because the goods are currently being transported.	View
us-gaap	Other Liabilities	Amount of liabilities classified as other.	View
us-gaap	Other Liabilities, Noncurrent	Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.	View
us-gaap	Other Nonoperating Income (Expense)	Amount of income (expense) related to nonoperating activities, classified as other.	View
us-gaap	Other Postretirement Benefits Cost (Reversal of Cost)	Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits.	View
us-gaap	Other Revenue, Net (Deprecated 2018-01-31)	Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.	View
us-gaap	Payments for Deposits Applied to Debt Retirements	Cash outflow during the period as a deposit on account for application (deposits to retire or pay down) against an amount of debt owed by the entity.	View
us-gaap	Payments for (Proceeds from) Investments	The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.	View
us-gaap	Payments for (Proceeds from) Other Investing Activities	Amount of cash (inflow) outflow from investing activities classified as other.	View
us-gaap	Payments for Repurchase of Common Stock	The cash outflow to reacquire common stock during the period.	View
us-gaap	Payments for Repurchase of Redeemable Convertible Preferred Stock	The cash outflow to reacquire callable preferred stock which is identified as being convertible to another type of financial security.	View
us-gaap	Payments of Debt Issuance Costs	The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.	View
us-gaap	Payments of Ordinary Dividends, Preferred Stock and Preference Stock	Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.	View
us-gaap	Payment, Tax Withholding, Share-based Payment Arrangement	Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.	View
us-gaap	Payments to Acquire Businesses, Gross	The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.	View
us-gaap	Payments to Acquire Businesses, Net of Cash Acquired	The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.	View
us-gaap	Payments to Acquire Investments	The cash outflow associated with the purchase of all investments (debt, security, other) during the period.	View
us-gaap	Payments to Acquire Land Held-for-use	The cash outflow for acquisition of land for use; excludes purchases of land held as inventory or as investments.	View
us-gaap	Payments to Acquire Oil and Gas Property	The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.	View
us-gaap	Payments to Acquire Productive Assets	The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.	View
us-gaap	Payments to Noncontrolling Interests	Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.	View
us-gaap	Liability, Defined Benefit Plan	Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.	View
us-gaap	Pension Cost (Reversal of Cost)	Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits.	View
us-gaap	Preferred Stock Conversions, Inducements	The excess of (1) the fair value of all securities and other consideration transferred in transactions by the registrant to the holders of the convertible preferred stock over (2) the fair value of securities issuable pursuant to the original conversion terms, during the accounting period.	View
us-gaap	Preferred Stock, Dividend Rate, Percentage	The percentage rate used to calculate dividend payments on preferred stock.	View
us-gaap	Preferred Stock Dividends, Income Statement Impact	The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.	View
us-gaap	Preferred Stock, Dividends Per Share, Declared	Aggregate dividends declared during the period for each share of preferred stock outstanding.	View
us-gaap	Preferred Stock, Liquidation Preference, Value	Value of the difference between preference in liquidation and the par or stated values of the preferred shares.	View
us-gaap	Preferred Stock, Par or Stated Value Per Share	Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.	View
us-gaap	Preferred Stock, Shares Authorized	The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Preferred Stock, Shares Issued	Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.	View
us-gaap	Preferred Stock, Shares Outstanding	Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.	View
us-gaap	Previously Estimated Development Costs Incurred	Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred.	View
us-gaap	Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31)	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred.	View
us-gaap	Proceeds from Divestiture of Businesses	The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.	View
us-gaap	Proceeds from Equity Method Investment, Distribution, Return of Capital	Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.	View
us-gaap	Proceeds from Income Tax Refunds	The amount of cash received during the period as refunds for the overpayment of taxes.	View
us-gaap	Proceeds from Issuance of Common Stock	The cash inflow from the additional capital contribution to the entity.	View
us-gaap	Proceeds from Issuance of Long-term Debt	The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.	View
us-gaap	Proceeds from Issuance of Preferred Stock and Preference Stock	Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.	View
us-gaap	Proceeds from Issuance or Sale of Equity	The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.	View
us-gaap	Proceeds from Lines of Credit	Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.	View
us-gaap	Proceeds from Other Deposits	Amount of cash inflow for receipts of deposits classified as other.	View
us-gaap	Proceeds from (Payments for) Other Financing Activities	Amount of cash inflow (outflow) from financing activities classified as other.	View
us-gaap	Proceeds from Sale of Other Assets	Amount of cash inflow from the sale of other assets as part of operating activities.	View
us-gaap	Proceeds from Sale of Other Assets, Investing Activities	Amount of cash inflow from the sale of other assets recognized in investing activities.	View
us-gaap	Proceeds from Sale of Productive Assets	The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.	View
us-gaap	Proceeds from Sale of Property, Plant, and Equipment	The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.	View
us-gaap	Proceeds from Sales of Assets, Investing Activities	Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.	View
us-gaap	Proceeds from Stock Options Exercised	Amount of cash inflow from exercise of option under share-based payment arrangement.	View
us-gaap	Production, Barrels of Oil Equivalents	Energy measure of oil and natural gas production reserves.	View
us-gaap	Production Related Impairments or Charges	Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold.	View
us-gaap	Production Tax Expense	A tax assessed on oil and gas production.	View
us-gaap	Productive Oil Wells, Number of Wells, Gross	The total number of producing oil wells and oil wells capable of production, in which the entity owns an undivided working interest.	View
us-gaap	Productive Oil Wells, Number of Wells with Multiple Completions, Gross	The total number of productive oil wells and oil wells capable of production which access multiple reservoirs through one well bore, in which the entity owns an undivided working interest.	View
us-gaap	Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.	View
us-gaap	Property, Plant and Equipment, Additions	Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.	View
us-gaap	Property, Plant and Equipment, Gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	View
us-gaap	Property, Plant and Equipment, Net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	View
us-gaap	Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy)	Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from new information, except for an increase in proved acreage, or change in economic factors, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	Number of options outstanding, including both vested and non-vested options.	View

Chart of Accounts => Accounts

Name	View

Business Acquisition, Share Price	View
Business Acquisition, Pro Forma Net Income (Loss)	View
Business Acquisition, Pro Forma Revenue	View
Business Combination, Acquired Receivable, Fair Value	View
Business Combination, Acquisition Related Costs	View
Business Combination, Consideration Transferred	View
Business Combination, Consideration Transferred, Other	View
Contributions from Noncontrolling Interests (Deprecated 2013-01-31)	View
Current Federal Tax Expense (Benefit)	View
Deferred Tax Assets, Derivative Instruments	View
Deferred Tax Assets, Gross	View
Deferred Tax Assets, Net	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Current	View
Derivative, Cost of Hedge Net of Cash Received	View
Derivative, Fair Value, Amount Offset Against Collateral, Net	View
Derivative Asset, Fair Value, Gross Asset	View
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent	View
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	View
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Revenue	View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	View
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share	View
Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	View
Long-term Debt and Lease Obligation, Current	View
Long-term Debt, Current Maturities	View
Long-term Debt, Fair Value	View
Long-term Debt, Excluding Current Maturities	View
Operating Leases, Future Minimum Payments, Due in Two Years	View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	View
Preferred Stock, Par or Stated Value Per Share	View
Proceeds from Income Tax Refunds	View
Property, Plant and Equipment, Gross	View
Property, Plant and Equipment, Net	View
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy)	View
Proved Developed and Undeveloped Reserves, Net	View
Proved Oil and Gas Property, Successful Effort Method	View
Refining and Marketing Costs (Deprecated 2018-01-31)	View
Refining and Marketing Revenue (Deprecated 2018-01-31)	View
Repayment of Notes Receivable from Related Parties	View
Repayments of Lines of Credit	View
Repayments of Other Debt	View
Restricted Cash	View
Restricted Cash and Cash Equivalents	View
Results of Operations, Depreciation, Depletion, Amortization and Accretion	View
Results of Operations, Dry Hole Costs	View
Results of Operations, Expense from Oil and Gas Producing Activities	View
Results of Operations, Exploration Expense	View
Results of Operations, General and Administrative Related to Oil and Gas Producing Activities	View
Results of Operations, Impairment of Oil and Gas Properties	View
Results of Operations, Income before Income Taxes	View
Results of Operations, Income Tax Expense	View
Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs)	View
Results of Operations, Revenue from Oil and Gas Producing Activities	View
Results of Operations, Revenue, Other	View
Results of Operations, Transportation Costs	View
Retained Earnings (Accumulated Deficit)	View
Revenues	View
Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31)	View
Revisions of Previous Quantity Estimates	View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	View
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit	View
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	View
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price	View
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds (Deprecated 2015-01-31)	View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	View
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	View
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	View
Stockholders' Equity Attributable to Parent	View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	View
Stockholders' Equity, Other	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	View
Stock Issued During Period, Value, Acquisitions	View
Stock Issued During Period, Value, New Issues	View
Stock Repurchased and Retired During Period, Value	View
Stock Repurchased During Period, Shares	View
Stock Repurchase Program, Authorized Amount	View
Taxes, Miscellaneous	View
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	View
Undistributed Earnings of Foreign Subsidiaries	View
Unproved Oil and Gas Property, Successful Effort Method	View
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	View
Unrealized Gain (Loss) on Derivatives	View
Unrealized Gain (Loss) on Investments	View
Unrecognized Tax Benefits	View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	View
Weighted Average Number of Shares Outstanding, Diluted	View
Weighted Average Number of Shares Outstanding, Basic and Diluted	View
Weighted Average Number of Shares Outstanding, Basic	View
Weighted Average Number of Shares Outstanding, Basic and Diluted (Deprecated 2012-01-31)	View
Wells in Process of Drilling	View
Write off of Deferred Debt Issuance Cost	View
Derivative, Cost of Hedge	View
Accounts Payable, Current	View
Accounts Payable, Other, Current	View
Accounts Payable, Related Parties, Current	View
Accounts Payable, Trade, Current	View
Accounts Receivable, after Allowance for Credit Loss	View
Accounts Receivable, after Allowance for Credit Loss, Current	View
Accounts Receivable, Related Parties, Current	View
Accretion Expense	View
Accretion Expense, Including Asset Retirement Obligations	View
Accretion of Discount (Deprecated 2016-01-31)	View
Accrual for Taxes Other than Income Taxes, Current	View
Accrued Income Taxes, Current	View
Accrued Liabilities and Other Liabilities	View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	View
Accumulated Other Comprehensive Income (Loss), Net of Tax	View
Acquisition Costs, Period Cost	View
Additional Collateral, Aggregate Fair Value	View
Additional Paid in Capital, Common Stock	View
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	View
Adjustments to Additional Paid in Capital, Other	View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	View
Share-based Payment Arrangement, Expense	View
Accounts Receivable, Allowance for Credit Loss, Current	View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	View
Asset Impairment Charges	View
Asset Retirement Obligation	View
Asset Retirement Obligation, Current	View
Asset Retirement Obligation, Liabilities Incurred	View
Asset Retirement Obligation, Liabilities Settled	View
Asset Retirement Obligation, Revision of Estimate	View
Asset Retirement Obligations, Noncurrent	View
Assets	View
Assets, Current	View
Assets Held-for-sale, Current (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Assets	View
Disposal Group, Including Discontinued Operation, Assets, Current	View
Assets of Disposal Group, Including Discontinued Operation, Noncurrent (Deprecated 2014-01-31)	View
Bank Overdrafts	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	View
Business Combination, Separately Recognized Transactions, Net Gains and Losses	View
Banking Regulation, Total Capital, Actual	View
Capital Expenditure, Discontinued Operations	View
Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	View
Capitalized Costs, Oil and Gas Producing Activities, Gross	View
Capitalized Costs, Oil and Gas Producing Activities, Net	View
Capitalized Costs, Proved Properties	View
Capitalized Costs, Unproved Properties	View
Capitalized Exploratory Well Costs	View
Capital Lease Obligations	View
Cash and Cash Equivalents, at Carrying Value	View
Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations	View
Cash and Cash Equivalents, Period Increase (Decrease)	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	View
Cash Provided by (Used in) Operating Activities, Discontinued Operations	View
Collateral Already Posted, Aggregate Fair Value	View
Common Stock, Dividends, Per Share, Cash Paid	View
Common Stock, Dividends, Per Share, Declared	View
Common Stock, Par or Stated Value Per Share	View
Common Stock, Shares Authorized	View
Common Stock, Shares, Issued	View
Common Stock, Value, Issued	View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Contractual Obligation	View
Contractual Obligation, to be Paid, after Year Five	View
Contractual Obligation, to be Paid, Year Five	View
Contractual Obligation, to be Paid, Year Four	View
Contractual Obligation, to be Paid, Year One	View
Contractual Obligation, to be Paid, Year Two	View
Contractual Obligation, to be Paid, Year Three	View
Conversion of Stock, Amount Issued	View
Conversion of Stock, Shares Converted	View
Conversion of Stock, Shares Issued	View
Cost of Services, Oil and Gas (Deprecated 2019-01-31)	View
Costs and Expenses	View
Costs Incurred, Acquisition of Oil and Gas Properties	View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	View
Costs Incurred, Acquisition of Unproved Oil and Gas Properties	View
Costs Incurred, Development Costs	View
Costs Incurred, Exploration Costs	View
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities	View
Current Foreign Tax Expense (Benefit)	View
Current Income Tax Expense (Benefit)	View
Current State and Local Tax Expense (Benefit)	View
Debt and Lease Obligation	View
Debt, Current	View
Debt Instrument, Face Amount	View
Debt Instrument, Redemption Price, Percentage	View
Debt Instrument, Repurchase Amount	View
Debt Instrument, Repurchased Face Amount	View
Debt Issuance Cost (Deprecated 2016-01-31)	View
Decrease Due to Sales of Minerals in Place	View
Deferred Federal Income Tax Expense (Benefit)	View
Debt Issuance Costs, Gross	View
Debt Issuance Costs, Net	View
Debt Issuance Cost, Gross, Noncurrent	View
Debt Issuance Costs, Noncurrent, Net	View
Deferred Foreign Income Tax Expense (Benefit)	View
Deferred Income Tax Expense (Benefit)	View
Deferred Tax Liabilities, Gross	View
Deferred Income Tax Liabilities, Net	View
Deferred Other Tax Expense (Benefit)	View
Deferred State and Local Income Tax Expense (Benefit)	View
Deferred Tax Asset, Parent's Basis in Discontinued Operation	View
Deferred Tax Assets, Capital Loss Carryforwards	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	View
Deferred Tax Assets, Other	View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	View
Deferred Tax Assets, Tax Credit Carryforwards, Other	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	View
Deferred Tax Assets, Valuation Allowance	View
Deferred Tax Liabilities, Net	View
Deferred Tax Liabilities, Net, Current	View
Deferred Tax Liabilities, Derivatives	View
Deferred Tax Liabilities, Net, Noncurrent	View
Deferred Tax Liabilities, Other	View
Deferred Tax Liabilities, Property, Plant and Equipment	View
Defined Benefit Plan, Plan Assets, Contributions by Employer	View
Defined Contribution Plan, Cost	View
Depreciation, Depletion and Amortization	View
Derivative Asset, Collateral, Obligation to Return Cash, Offset	View
Derivative Asset, Fair Value, Gross Liability	View
Derivative Asset, Fair Value, Net (Deprecated 2013-01-31)	View
Derivative Asset	View
Derivative Asset, Current	View
Derivative Asset, Noncurrent	View
Derivative, Cash Received on Hedge	View
Derivative, Collateral, Obligation to Return Cash	View
Derivative, Collateral, Right to Reclaim Cash	View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	View
Derivative Liability, Fair Value, Gross Liability	View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	View
Derivative, Gain (Loss) on Derivative, Net	View
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	View
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	View
Derivative Instruments Not Designated as Hedging Instruments, Gain	View
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	View
Derivative Liability	View
Derivative Liability, Current	View
Derivative Liability, Noncurrent	View
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	View
Derivative Liability, Fair Value, Gross Asset	View
Derivative Liability, Fair Value, Net (Deprecated 2013-01-31)	View
Derivative Liability, Fair Value of Collateral	View
Derivative, Net Liability Position, Aggregate Fair Value	View
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	View
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share	View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	View
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	View
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax	View
Discontinued Operation, Tax Effect of Discontinued Operation	View
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	View
Disposal Group, Including Discontinued Operation, Accounts Payable	View
Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities, Current	View
Disposal Group, Including Discontinued Operation, Accrued Liabilities	View
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	View
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	View
Disposal Group, Including Discontinued Operation, Consideration	View
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities	View
Disposal Group, Including Discontinued Operation, Depreciation and Amortization	View
Disposal Group, Including Discontinued Operation, General and Administrative Expense	View
Disposal Group, Including Discontinued Operation, Inventory (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Inventory	View
Disposal Group, Including Discontinued Operation, Operating Expense	View
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	View
Disposal Group, Including Discontinued Operation, Other Assets	View
Disposal Group, Including Discontinued Operation, Other Assets, Current	View
Disposal Group, Including Discontinued Operation, Other Liabilities, Current	View
Disposal Group, Including Discontinued Operation, Other Expense	View
Disposal Group, Including Discontinued Operation, Other Income	View
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	View
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	View
Due to Affiliate	View
Earnings Per Share, Basic	View
Earnings Per Share, Basic and Diluted	View
Earnings Per Share, Diluted	View
Operating Leases, Future Minimum Payments, Due in Three Years	View
Effect of Exchange Rate on Cash and Cash Equivalents	View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	View
Energy Related Inventory, Gas Stored Underground	View
Energy Related Inventory, Natural Gas in Storage	View
Equity Method Investment, Other than Temporary Impairment	View
Equity Method Investment, Ownership Percentage	View
Equity Method Investment, Realized Gain (Loss) on Disposal	View
Equity Method Investment, Summarized Financial Information, Current Assets (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Current Liabilities (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Liabilities (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Noncurrent Assets (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities (Deprecated 2020-01-31)	View
Equity Method Investment, Summarized Financial Information, Revenue (Deprecated 2020-01-31)	View
Equity Method Investments	View
Escrow Deposits Related to Property Sales	View
Excess Tax Benefit from Share-based Compensation, Financing Activities	View
Excess Tax Benefit from Share-based Compensation, Operating Activities	View
Exploration Abandonment and Impairment Expense	View
Exploration Expense	View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	View
Gain (Loss) on Disposition of Assets	View
Gain (Loss) on Fair Value Hedges Recognized in Earnings	View
Gain (Loss) on Sale of Interest in Projects	View
Gain (Loss) on Disposition of Other Assets	View
Gain (Loss) on Disposition of Oil and Gas and Timber Property	View
Gain (Loss) on Disposition of Proved Property	View
Gain (Loss) on Termination of Lease	View
Gain (Loss) on Extinguishment of Debt	View
Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost	View
Gain (Loss) on Disposition of Assets for Financial Service Operations	View
Gains (Losses) on Sales of Other Assets (Deprecated 2013-01-31)	View
Gas and Oil Area, Developed, Net	View
Gas and Oil Area, Undeveloped, Gross	View
Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31)	View
General and Administrative Expense	View
Goodwill, Impairment Loss	View
Impairment of Leasehold	View
Impairment of Oil and Gas Properties	View
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	View
Income (Loss) from Continuing Operations before Income Taxes, Foreign	View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	View
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Income (Loss) from Continuing Operations, Per Basic and Diluted Share	View
Income (Loss) from Continuing Operations, Per Basic Share	View
Income (Loss) from Continuing Operations, Per Diluted Share	View
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	View
Income (Loss) from Equity Method Investments	View
Income Tax Examination, Penalties and Interest Accrued	View
Income Tax Expense (Benefit)	View
Income Taxes Paid	View
Income Taxes Paid, Net	View
Income Taxes Receivable	View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	View
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	View
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	View
Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Amount	View
Increase (Decrease) in Accounts Payable	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Income Taxes Payable	View
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities	View
Increase (Decrease) in Book Overdrafts	View
Increase (Decrease) in Commodity Contract Assets and Liabilities	View
Increase (Decrease) in Derivative Liabilities	View
Changes in Estimated Future Development Costs	View
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	View
Increase (Decrease) in Inventories	View
Increase (Decrease) in Margin Deposits Outstanding	View
Increase (Decrease) in Other Accrued Liabilities	View
Increase (Decrease) in Other Operating Assets	View
Increase (Decrease) in Other Operating Assets and Liabilities, Net	View
Increase Due to Purchases of Minerals in Place	View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock	View
Interest Costs Capitalized	View
Interest Costs Capitalized Adjustment	View
Interest Expense	View
Interest Expense, Long-term Debt	View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	View
Interest Payable, Current	View
Inventory Adjustments	View
Inventory, Net	View
Inventory Write-down	View
Investments	View
Operating Leases, Rent Expense	View
Lease, Cost	View
Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	View
Lessee, Operating Lease, Liability, to be Paid	View
Lessee, Operating Lease, Liability, Payments, Due after Rolling Year Five	View
Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Five	View
Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Four	View
Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Three	View
Lessee, Operating Lease, Liability, Payments, Due in Rolling Year Two	View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	View
Letters of Credit Outstanding, Amount	View
Liabilities and Equity	View
Liabilities, Current	View
Liabilities of Assets Held-for-sale (Deprecated 2014-01-31)	View
Liabilities of Business Transferred under Contractual Arrangement, Current	View
Liabilities of Business Transferred under Contractual Arrangement, Noncurrent	View
Disposal Group, Including Discontinued Operation, Liabilities	View
Disposal Group, Including Discontinued Operation, Liabilities, Current	View
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	View
Long-term Line of Credit	View
Line of Credit Facility, Commitment Fee Percentage	View
Line of Credit Facility, Increase (Decrease), Net	View
Line of Credit Facility, Maximum Borrowing Capacity	View
Long-term Debt	View
Long-term Debt and Lease Obligation	View
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	View
Long-term Investments	View
Long-term Purchase Commitment, Amount	View
Loss Contingency Accrual	View
Loss Contingency Accrual, Period Increase (Decrease)	View
Loss Contingency, Damages Sought, Value	View
Loss on Contract Termination	View
Margin Deposit Assets	View
Materials, Supplies, and Other	View
Stockholders' Equity Attributable to Noncontrolling Interest	View
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	View
Natural Gas Production Revenue (Deprecated 2018-01-31)	View
Natural Gas Storage Revenue (Deprecated 2018-01-31)	View
Net Cash Provided by (Used in) Financing Activities	View
Net Cash Provided by (Used in) Investing Activities	View
Net Cash Provided by (Used in) Operating Activities	View
Net Income (Loss) Attributable to Parent	View
Net Income (Loss) Attributable to Noncontrolling Interest	View
Net Income (Loss) Available to Common Stockholders, Basic	View
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted	View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	View
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	View
Nonmonetary Transaction, Gain (Loss) Recognized on Transfer	View
Notes Payable, Related Parties, Current	View
Notional Amount of Price Risk Derivatives (Deprecated 2013-01-31)	View
Oil and Condensate Revenue (Deprecated 2018-01-31)	View
Oil and Gas Delivery Commitments and Contracts, Daily Production	View
Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization	View
Oil and Gas Property, Successful Effort Method, Gross	View
Oil and Gas Property, Successful Effort Method, Net	View
Oil and Gas Sales Revenue (Deprecated 2018-01-31)	View
Operating Costs and Expenses	View
Operating Income (Loss)	View
Operating Lease, Expense	View
Operating Lease, Liability	View
Operating Lease, Liability, Current	View
Operating Lease, Liability, Noncurrent	View
Operating Lease, Payments	View
Operating Lease, Payments, Use	View
Operating Lease, Right-of-Use Asset	View
Operating Leases, Future Minimum Payments Due	View
Operating Leases, Future Minimum Payments, Due in Five Years	View
Operating Leases, Future Minimum Payments, Due in Four Years	View
Operating Leases, Future Minimum Payments, Due Thereafter	View
Operating Leases, Future Minimum Payments, Next Rolling Twelve Months	View
Operating Lease, Weighted Average Discount Rate, Percent	View
Other Accrued Liabilities, Current	View
Other Assets, Current	View
Other Assets, Noncurrent	View
Other Commitment	View
Other Comprehensive Income (Loss), Net of Tax	View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2013-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2013-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment for Held-to-maturity Transferred to Available-for-Sale Securities, Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	View
Other Cost and Expense, Operating	View
Other Income	View
Other Income Tax Expense (Benefit), Continuing Operations	View
Other Inventory, in Transit, Gross	View
Other Liabilities	View
Other Liabilities, Noncurrent	View
Other Nonoperating Income (Expense)	View
Other Postretirement Benefits Cost (Reversal of Cost)	View
Other Revenue, Net (Deprecated 2018-01-31)	View
Payments for Deposits Applied to Debt Retirements	View
Payments for (Proceeds from) Investments	View
Payments for (Proceeds from) Other Investing Activities	View
Payments for Repurchase of Common Stock	View
Payments for Repurchase of Redeemable Convertible Preferred Stock	View
Payments of Debt Issuance Costs	View
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	View
Payment, Tax Withholding, Share-based Payment Arrangement	View
Payments to Acquire Businesses, Gross	View
Payments to Acquire Businesses, Net of Cash Acquired	View
Payments to Acquire Investments	View
Payments to Acquire Land Held-for-use	View
Payments to Acquire Oil and Gas Property	View
Payments to Acquire Oil and Gas Property and Equipment	View
Payments to Acquire Productive Assets	View
Payments to Acquire Property, Plant, and Equipment	View
Payments to Noncontrolling Interests	View
Liability, Defined Benefit Plan	View
Pension Cost (Reversal of Cost)	View
Preferred Stock Conversions, Inducements	View
Preferred Stock, Dividend Rate, Percentage	View
Preferred Stock Dividends, Income Statement Impact	View
Preferred Stock, Dividends Per Share, Declared	View
Preferred Stock, Liquidation Preference, Value	View
Preferred Stock, Shares Authorized	View
Preferred Stock, Shares Issued	View
Preferred Stock, Shares Outstanding	View
Preferred Stock, Value, Issued	View
Previously Estimated Development Costs Incurred	View
Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31)	View
Proceeds from Divestiture of Businesses	View
Proceeds from Equity Method Investment, Distribution, Return of Capital	View
Proceeds from Issuance of Common Stock	View
Proceeds from Issuance of Long-term Debt	View
Proceeds from Issuance of Preferred Stock and Preference Stock	View
Proceeds from Issuance or Sale of Equity	View
Proceeds from Lines of Credit	View
Proceeds from Noncontrolling Interests	View
Proceeds from Other Deposits	View
Proceeds from (Payments for) Other Financing Activities	View
Proceeds from Sale of Other Assets	View
Proceeds from Sale of Other Assets, Investing Activities	View
Proceeds from Sale of Productive Assets	View
Proceeds from Sale of Property, Plant, and Equipment	View
Proceeds from Sales of Assets, Investing Activities	View
Proceeds from Stock Options Exercised	View
Proceeds from Unsecured Lines of Credit	View
Production, Barrels of Oil Equivalents	View
Production Costs, Period Cost	View
Production Related Impairments or Charges	View
Production Tax Expense	View
Productive Oil Wells, Number of Wells, Gross	View
Productive Oil Wells, Number of Wells with Multiple Completions, Gross	View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	View
Property, Plant and Equipment, Additions	View

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