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Company Name: SM ENERGY CO
CIK: 893538
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-08-03
Last Filing Date: 2025-05-02
SEC Filings
Start End Frame Filed ACCN Value View
2013-07-01 2013-09-30 CY2012Q3 2013-10-30 0000893538-13-000053 $ 66,943,000 View
2014-01-01 2014-03-31 CY2013Q1 2014-04-30 0000893538-14-000025 $ 67,056,000 View
2012-01-01 2012-03-31 CY2011Q1 2012-05-03 0000893538-12-000031 $ 64,104,000 View
2019-01-01 2019-03-31 CY2018Q1 2019-05-02 0000893538-19-000030 $ 112,252,000 View
2010-04-01 2010-06-30 CY2009Q2 2010-08-03 0001104659-10-041421 $ 62,917,000 View
2010-01-01 2010-12-31 CY2008 2011-02-25 0001104659-11-010268 $ 62,969,000 View
2011-07-01 2011-09-30 CY2010Q3 2011-11-02 0000893538-11-000051 $ 63,904,000 View
2015-01-01 2015-03-31 CY2014Q1 2015-05-06 0000893538-15-000018 $ 67,463,000 View
2016-01-01 2016-03-31 CY2015Q1 2016-05-04 0000893538-16-000137 $ 68,077,000 View
2017-01-01 2017-03-31 CY2016Q1 2017-05-04 0000893538-17-000051 $ 111,258,000 View
2017-07-01 2017-09-30 CY2016Q3 2017-11-03 0000893538-17-000140 $ 111,575,000 View
2018-01-01 2018-03-31 CY2017Q1 2018-05-04 0000893538-18-000025 $ 111,696,000 View
2023-01-01 2023-03-31 CY2023Q1I 2023-04-28 0000893538-23-000034 $ 402,800,000 View
2010-07-01 2010-09-30 CY2009Q3 2010-11-03 0001104659-10-055533 $ 63,031,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-08-03 0001104659-11-042745 $ 63,638,000 View
2014-04-01 2014-06-30 CY2013Q2 2014-07-30 0000893538-14-000037 $ 67,069,000 View
2014-07-01 2014-09-30 CY2013Q3 2014-10-29 0000893538-14-000091 $ 67,379,000 View
2015-04-01 2015-06-30 CY2014Q2 2015-07-29 0000893538-15-000071 $ 67,483,000 View
2015-07-01 2015-09-30 CY2014Q3 2015-10-28 0000893538-15-000104 $ 67,961,000 View
2016-04-01 2016-06-30 CY2015Q2 2016-08-03 0000893538-16-000180 $ 68,102,000 View
2018-04-01 2018-06-30 CY2017Q2 2018-08-02 0000893538-18-000106 $ 111,701,000 View
2018-07-01 2018-09-30 CY2017Q3 2018-11-02 0000893538-18-000133 $ 112,107,000 View
2011-01-01 2011-03-31 CY2010Q1 2011-05-03 0001104659-11-025221 $ 63,447,000 View
2011-01-01 2011-12-31 CY2009 2012-02-23 0000893538-12-000012 $ 63,755,000 View
2012-04-01 2012-06-30 CY2011Q2 2012-08-03 0000893538-12-000041 $ 64,585,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-11-01 0000893538-12-000058 $ 65,745,000 View
2013-04-01 2013-06-30 CY2012Q2 2013-07-31 0000893538-13-000040 $ 66,295,000 View
2015-01-01 2015-12-31 CY2013 2016-02-24 0000893538-16-000122 $ 67,723,000 View
2016-07-01 2016-09-30 CY2015Q3 2016-11-02 0000893538-16-000218 $ 78,468,000 View
2016-01-01 2016-12-31 CY2014 2017-02-23 0000893538-17-000013 $ 76,568,000 View
2017-04-01 2017-06-30 CY2016Q2 2017-08-04 0000893538-17-000124 $ 111,277,000 View
2017-01-01 2017-12-31 CY2015 2018-02-21 0000893538-18-000005 $ 111,428,000 View
2018-01-01 2018-12-31 CY2016 2019-02-21 0000893538-19-000012 $ 111,912,000 View
2012-01-01 2012-12-31 CY2011Q4I 2013-02-21 0000893538-13-000011 $ 273,928,000 View
2013-01-01 2013-03-31 CY2013Q1I 2013-05-01 0000893538-13-000026 $ 296,854,000 View
2013-01-01 2013-12-31 CY2012Q4I 2014-02-19 0000893538-14-000010 $ 279,654,000 View
2019-04-01 2019-06-30 CY2018Q2 2019-08-02 0000893538-19-000090 $ 112,262,000 View
2019-07-01 2019-09-30 CY2018Q3 2019-11-01 0000893538-19-000124 $ 112,804,000 View
2019-01-01 2019-12-31 CY2017 2020-02-20 0000893538-20-000009 $ 112,544,000 View
2020-01-01 2020-03-31 CY2019Q1 2020-04-29 0000893538-20-000051 $ 113,009,000 View
2020-04-01 2020-06-30 CY2019Q2 2020-07-31 0000893538-20-000124 $ 113,008,000 View
2020-07-01 2020-09-30 CY2019Q3 2020-10-30 0000893538-20-000140 $ 114,371,000 View
2020-01-01 2020-12-31 CY2018 2021-02-18 0000893538-21-000008 $ 113,730,000 View
2021-01-01 2021-03-31 CY2020Q1 2021-04-30 0000893538-21-000030 $ 114,759,000 View
2021-04-01 2021-06-30 CY2020Q2 2021-07-30 0000893538-21-000081 $ 118,357,000 View
2021-07-01 2021-09-30 CY2020Q3 2021-10-29 0000893538-21-000121 $ 121,457,000 View
2021-01-01 2021-12-31 CY2019 2022-02-25 0000893538-22-000020 $ 119,043,000 View
2014-01-01 2014-12-31 CY2014Q4I 2015-02-25 0000893538-15-000011 $ 503,734,000 View
2022-01-01 2022-03-31 CY2022Q1I 2022-04-29 0000893538-22-000045 $ 19,044 View
2022-04-01 2022-06-30 CY2022Q2I 2022-08-04 0000893538-22-000112 $ 19,044 View
2022-07-01 2022-09-30 CY2022Q3I 2022-11-04 0000893538-22-000149 $ 479,800,000 View
2022-01-01 2022-12-31 CY2021Q4I 2023-02-23 0000893538-23-000014 $ 18,290,000 View
2023-04-01 2023-06-30 CY2023Q2 2023-08-03 0000893538-23-000088 $ 88,800,000 View
2023-07-01 2023-09-30 CY2022Q3 2023-11-03 0000893538-23-000108 $ 4,106,000 View
2024-01-01 2024-03-31 CY2023Q1 2024-05-03 0000893538-24-000030 $ 6,770,000 View
2023-01-01 2023-12-31 CY2021 2024-02-22 0000893538-24-000009 $ 92,420,000 View
2025-01-01 2025-03-31 CY2025Q1 2025-05-02 0000893538-25-000040 $ 1 View
2023-04-01 2024-06-30 CY2024Q2I 2024-08-08 0000893538-24-000105 $ 500,000,000 View
2023-04-01 2024-06-30 CY2024Q2I 2024-11-01 0000893538-24-000136 $ 500,000,000 View
2024-01-01 2024-12-31 CY2024Q4I 2025-02-20 0000893538-25-000008 $ 500,000,000 View
SEC Facts By Type
Type Name Description 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
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 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 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 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 Business Exit Costs Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. View
us-gaap Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred. 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 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 Convertible Debt, Noncurrent Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock. View
us-gaap Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. 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 Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income from prior service cost (credit) of defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. View
us-gaap Defined Benefit Plan, Benefit Obligation, Payment for Settlement Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement. View
us-gaap Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter (Deprecated 2012-01-31) The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position). View
us-gaap Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. View
us-gaap Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan. View
us-gaap Defined Benefit Plan, Service Cost Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. View
us-gaap Defined Benefit Plan, Plan Assets, Payment for Settlement Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. 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 Liability, Fair Value, Amount Offset Against Collateral Fair value, after effects of master netting arrangements, 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 offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset. 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 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 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Gain (Loss) on Price Risk Derivative Instruments Not Designated as Hedging Instruments Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments. View
us-gaap Income Taxes Receivable, Current Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. 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 Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. 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 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. View
us-gaap Liabilities Subject to Compromise, Early Contract Termination Fees The amount of early contract termination fees included in liabilities subject to compromise. 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 Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) "The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future." 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 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 Production Expense (Deprecated 2018-01-31) Costs incurred to operate and maintain an entities' 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. View
us-gaap Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Contractually required future rental payments receivable on noncancelable subleasing arrangements. View
us-gaap Operating Leases, Rent Expense, Net Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax Amount, before tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax (Deprecated 2012-01-31) Amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost), including the net gain (loss) and net prior service cost (credit) arising during the period. Also includes reclassification adjustments out of other comprehensive income as a result of being recognized as components of net periodic benefit cost for the period. 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, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive (income) loss for defined benefit plan, attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. 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, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. 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 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), Minimum Pension Liability Net Adjustment, before Tax (Deprecated 2012-01-31) The pretax amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) Tax effect on 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), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for actuarial (gains) losses recognized as a component of net periodic benefit cost. 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 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 Explore and Develop Oil and Gas Properties The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas). 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, 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 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 Restricted Cash and Cash Equivalents, Noncurrent Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. 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 Restricted Cash Equivalents, Noncurrent Amount of cash equivalents restricted as to withdrawal or usage, classified as noncurrent. 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 Restricted Cash, Noncurrent Amount of cash restricted as to withdrawal or usage, classified as noncurrent. 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 Results of Operations, Depreciation, Depletion, Amortization and Accretion Depreciation, depletion, amortization, and accretion related to oil and gas producing activities. View
us-gaap Secured Long-term Debt, Noncurrent Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. 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 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 Stock Issued During Period, Shares, Restricted Stock Award, Gross Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. 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, Shares, Treasury Stock Reissued Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. View
us-gaap Stock Issued During Period, Value, Conversion of Convertible Securities The gross value of stock issued during the period upon the conversion of convertible securities. View
us-gaap Stock Issued During Period, Value, Employee Stock Purchase Plan Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. View
us-gaap Unrecognized Tax Benefits that Would Impact Effective Tax Rate The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. 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 Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; attributable to disposal group, including, but not limited to, 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 Number of Reportable Segments Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. 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 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
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
us-gaap Accounts Payable and Accrued Liabilities, Current Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. 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 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 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 Liabilities, Current Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. 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 Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31) Transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element. View
us-gaap Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature Amount of increase (decrease) in additional paid in capital (APIC) resulting from recognition of deferred taxes for convertible debt with a beneficial conversion feature. View
us-gaap Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital. 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 Adjustments to Additional Paid in Capital, Warrant Issued Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. 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 Amount of allowance for credit loss on accounts receivable. View
us-gaap Amortization of Debt Issuance Costs and Discounts Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. 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 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, Accretion Expense Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. View
us-gaap Asset Retirement Obligation, Cash Paid to Settle Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows. 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 Operating Lease, Right-of-Use Asset Amount of lessee's right to use underlying asset under operating lease. 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 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, at Carrying Value (Deprecated 2014-01-31) Represents the sum of the carrying value of all the Assets Held-for-Sale at the balance sheet date. View
us-gaap Assets Held-for-sale, Long Lived (Deprecated 2014-01-31) Long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year. View
us-gaap Assets Held-for-sale, Long Lived, Fair Value Disclosure Fair value portion of assets classified as held for sale. View
us-gaap Assets, Noncurrent 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 after one year or beyond the normal operating cycle, if longer. View
us-gaap Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets. 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 Capitalized Computer Software, Gross Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. View
us-gaap Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves. View
us-gaap Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31) Capitalized exploratory well costs that were expensed during the year because proved reserves were not found at the exploratory well. View
us-gaap Capitalized Exploratory Well Cost, Charged to Expense Amount of expense for capitalized exploratory well costs for which proved reserves were not found at the exploratory well. 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 Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling. View
us-gaap Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less The amount of exploratory well costs that have been capitalized for a period of one year or less after the completion of drilling. 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, 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 Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price per share or per unit of warrants or rights outstanding. View
us-gaap Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. 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 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, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. 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 Common Stock, Value, Outstanding Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares. 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 Concentration Risk, Percentage "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the ""benchmark"" (or denominator) in the equation, this concept represents the concentration percentage derived from the division." 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 Cost of Goods and Services Sold The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. View
us-gaap Costs and Expenses Total costs of sales and operating expenses for the period. View
us-gaap Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31) Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. View
us-gaap Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31) Amount of the cumulative effect on retained earnings net of related income tax effect. 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 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 Instrument, Face Amount Face (par) amount of debt instrument at time of issuance. View
us-gaap Debt Instrument, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. 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 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 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, Gross, Current Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. 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, Noncurrent Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent. 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 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, Domestic Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local 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 Operating Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. 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 Credit Carryforwards, Research Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset. 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, Gross, Current Amount of deferred tax liability attributable to taxable temporary differences classified as current. 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, Accumulated Benefit Obligation Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Transition Asset (Obligation), before Tax Amount, before tax, of accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. View
us-gaap Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. View
us-gaap Defined Benefit Plan, Actuarial Net (Gains) Losses (Deprecated 2012-01-31) The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan. View
us-gaap Defined Benefit Plan, Amortization of Gain (Loss) Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. View
us-gaap Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. View
us-gaap Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year (Deprecated 2013-01-31) The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. View
us-gaap Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (Deprecated 2017-01-31) Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. View
us-gaap Defined Benefit Plan, Benefit Obligation Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. View
us-gaap Defined Benefit Plan, Benefit Obligation, Benefits Paid Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. 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 Benefit Plan, Debt Securities (Deprecated 2012-01-31) The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date. View
us-gaap Defined Benefit Plan, Equity Securities (Deprecated 2012-01-31) The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date. View
us-gaap Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31) The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. View
us-gaap Defined Benefit Plan, Expected Amortization, Next Fiscal Year Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year Five (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 5. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year Four (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 4. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 1. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year Three (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 3. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year Two (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 2. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year One Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Five Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Four Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Three Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payment, Year Two Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. View
us-gaap Defined Benefit Plan, Plan Assets, Amount Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. View
us-gaap Defined Benefit Plan, Funded (Unfunded) Status of Plan Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. View
us-gaap Defined Benefit Plan, Interest Cost Amount of cost recognized for passage of time related to defined benefit plan. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Amount of net periodic benefit cost (credit) for defined benefit plan. View
us-gaap Defined Benefit Plan, Other Plan Assets (Deprecated 2012-01-31) The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date. View
us-gaap Defined Benefit Plan, Plan Assets, Benefits Paid Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. View
us-gaap Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities (Deprecated 2012-01-31) Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities (Deprecated 2012-01-31) Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Allocation Percentage of Assets, Other (Deprecated 2012-01-31) Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Plan Asset Allocations (Deprecated 2017-01-31) Target allocation of investments of this type to total plan assets presented on a weighted average basis. View
us-gaap Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. View
us-gaap Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Fair value, after effects of master netting arrangements, deduction of assets not subject to a master netting arrangement and elected not to be offset, 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, offset against an obligation to return collateral. View
us-gaap Derivative Asset, Not Offset, Policy Election Deduction Fair value 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, elected not to be offset, deducted from derivative assets. 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 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 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 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 Asset, Fair Value, Amount Offset Against Collateral Fair value, after effects of master netting arrangements, 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 offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. 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 Operating Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. View
us-gaap Derivative, Fair Value, Net Fair value of the assets less the liabilities of a derivative or group of derivatives. View
us-gaap Derivative Instruments and Hedges, Assets Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. View
us-gaap Derivative Instruments and Hedges, Liabilities Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements. View
us-gaap Derivative Instruments and Hedges, Noncurrent Carrying amount as of the balance sheet date of the assets arising from derivative contracts and hedging activities, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. 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, 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, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Fair value, after effects of master netting arrangements, deduction of liabilities not subject to a master netting arrangement and elected not to be offset, 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, offset against the right to receive collateral. View
us-gaap Derivative Liability, Not Offset, Policy Election Deduction Fair value 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 offset, deducted from derivative liabilities. View
us-gaap Disposal Group, Including Discontinued Operation, Long Lived Assets, Current (Deprecated 2015-01-31) Amount classified as long lived 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, 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, Noncurrent Amount classified as property, plant and equipment 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, Not Discontinued Operation, Loss (Gain) on Write-down Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations. View
us-gaap Dividends Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. View
us-gaap Dividends, Common Stock Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). View
us-gaap Dividends, Common Stock, Cash Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. View
us-gaap Dividends Payable, Amount (Deprecated 2012-01-31) The aggregate amount of dividends declared, but not paid, as of the financial reporting date. View
us-gaap Dividends Payable Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. View
us-gaap Early Repayment of Senior Debt The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. 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 Effective Income Tax Rate Reconciliation, Percent Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Employee-related Liabilities, Current Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Amount of cost to be recognized for option under share-based payment arrangement. View
us-gaap Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. View
us-gaap Entity-Wide Revenue, Major Customer, Percentage (Deprecated 2013-01-31) Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. 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 Exploratory Wells Drilled, Net Nonproductive The number of nonproductive exploratory wells (dry wells) drilled in the geographic area. A dry well (hole) is a well found to be incapable of producing either oil or gas in sufficient quantities to justify completion as an oil or gas well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. 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 Amount of purchases 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, Sales Amount of sale 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 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 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). 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 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. View
us-gaap Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. View
us-gaap Gain (Loss) on Contract Termination Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. View
us-gaap Gain (Loss) on Derivative Instruments, Net, Pretax Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. View
us-gaap Gain (Loss) on Hedging Activity Gain (loss) incurred in hedging activities. View
us-gaap Gain (Loss) on Disposition of Oil and Gas Property Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties. 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) Related to Litigation Settlement Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. 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 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 Gas Gathering, Transportation, Marketing and Processing Revenue (Deprecated 2018-01-31) Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, and the sale of natural gas and related products. View
us-gaap Gas Balancing Payable Carrying value as of the balance sheet date of obligations incurred and payable to an underproduced working interest owner when an overproduced working interest owner has sold gas in excess of the party's ownership percentage. 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 Impairment of Long-Lived Assets Held-for-use The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). 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 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 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 Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority. 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, 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 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 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, Depletion, 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 nondeductible depletion. 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 Effective Income Tax Rate Reconciliation, Other Adjustments, 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 other adjustments. 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 Credit, Research, 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 research tax credit. View
us-gaap Increase (Decrease) in Accounts Payable and Accrued Liabilities The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. 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 Derivative Assets and Liabilities The increase (decrease) during the period in the net carrying value of derivative instruments reported as assets and liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer). View
us-gaap Increase (Decrease) in Income Taxes Receivable The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. View
us-gaap Increase (Decrease) in Operating Capital The increase (decrease) during the reporting period of all assets and liabilities used in operating activities. View
us-gaap Increase (Decrease) in Prepaid Expense and Other Assets Amount of increase (decrease) in prepaid expenses, and assets classified as other. View
us-gaap Increase (Decrease) in Restricted Cash The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. View
us-gaap Insured Event, Gain (Loss) Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event. View
us-gaap Intangible Assets, Net (Excluding Goodwill) Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. View
us-gaap Interest Costs Capitalized Amount of interest capitalized during the period. View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest Income, Operating Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. View
us-gaap Interest Income, Other Amount of interest income earned from interest bearing assets classified as other. View
us-gaap Interest Paid, Excluding Capitalized Interest, Operating Activities Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for 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. 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, Noncurrent, Fair Value Disclosure Fair value portion of inventory expected to be realized or consumed after one year or normal operating cycle, if longer. View
us-gaap Inventory, Raw Materials, Gross Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. View
us-gaap Inventory, Raw Materials and Supplies, Net of Reserves Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments. 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 Land Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. 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 Lessee, Operating Lease, Discount Rate Discount rate used by lessee to determine present value of operating lease payments. 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, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease due 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 Lessee, Operating Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for operating lease 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 Lessee, Operating Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease 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 Lessee, Operating Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease 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 Lessee, Operating Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for operating lease 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 Lessee, Operating Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for operating lease 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 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, Noncurrent Amount of obligation due after one year or beyond the normal operating 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 Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) Amount borrowed under the credit facility as of the balance sheet date. View
us-gaap Line of Credit Facility, Current Borrowing Capacity Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the 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 Line of Credit Facility, Remaining Borrowing Capacity Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). View
us-gaap Estimated Litigation Liability Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. 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, 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 Line of Credit, Noncurrent The carrying value as of the balance sheet date of the noncurrent portion 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 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 Net Cash Provided by (Used in) Financing Activities, Continuing Operations Amount of cash inflow (outflow) of financing activities, excluding 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 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) Investing Activities, Continuing Operations Amount of cash inflow (outflow) of investing activities, excluding 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 Cash Provided by (Used in) Operating Activities, Continuing Operations Amount of cash inflow (outflow) from operating activities, excluding 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 Noncash or Part Noncash Acquisition, Value of Assets Acquired (Deprecated 2011-01-31) The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but 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 Noncash or Part Noncash Divestiture, Amount of Consideration Received (Deprecated 2011-01-31) The value of the consideration received for selling an asset or business through a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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 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, Accumulated Impairment Accumulated impairment of oil and gas property 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 Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Lease, Cost Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. View
us-gaap Operating Lease, Liability Present value of lessee's discounted obligation for lease payments from operating lease. View
us-gaap Operating Leases, Rent Expense, Sublease Rentals The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. View
us-gaap Operating Loss Carryforwards Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. 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 Held-for-sale (Deprecated 2014-01-31) The lower of the carrying value or fair value less cost to sell of assets held-for-sale, other than loans receivable. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2012-01-31) The change in other comprehensive income due to the amortization of the net prior service costs (credit) into net periodic pension costs. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax (Deprecated 2012-01-31) Pretax change in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan, that has not been recognized in net periodic benefit cost. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31) Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. 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, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax (Deprecated 2012-01-31) Pre tax change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges, net of reclassifications into earnings during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. Includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. 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), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Amount after tax and reclassification adjustments, 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), attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent Amount of tax expense (benefit), after reclassification adjustments, 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), attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Amount before tax, after reclassification adjustments, 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), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. 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, Portion Attributable to Parent Amount after tax of other comprehensive income (loss) attributable to parent entity. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Amount before 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, 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, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss related to net period benefit cost (credit) for pension and other postretirement defined benefit plans. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31) Before 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, 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 Payments of Ordinary Dividends, Common Stock Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31) Pre tax 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. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. 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 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 Labor-related Expenses Amount of labor-related expenses classified as other. View
us-gaap Other Liabilities, Current Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. 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 Noncash Income (Expense) Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. View
us-gaap Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. View
us-gaap Other Operating Income The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Operating Income (Expense), Net The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. 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 Other Tax Expense (Benefit) Amount of other income tax expense (benefit). View
us-gaap Payments for (Proceeds from) Delayed Tax Exempt Exchange Net cash outflow or inflow from a property which is traded for the promise to provide a replacement like-kind property in the near future also known as tax deferred exempt exchange. 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 Payment for Debt Extinguishment or Debt Prepayment Cost Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. 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 Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. 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 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 Payment for Pension and Other Postretirement Benefits Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. View
us-gaap Payment for Pension Benefits Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. View
us-gaap Prepaid Expense and Other Assets, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. View
us-gaap Price Risk Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net The amount of net gains or losses on price risk cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income. View
us-gaap Price Risk Derivatives, at Fair Value, Net Fair value as of the balance sheet date of price risk derivative assets, net of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. View
us-gaap Proceeds from Convertible Debt The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. View
us-gaap Proceeds from Debt, Net of Issuance Costs The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. 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 Insurance Settlement, Investing Activities Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities. 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 Long-term Debt and Capital Securities, Net The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). View
us-gaap Proceeds from Issuance of Senior Long-term Debt The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). 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 (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from Sale of Oil and Gas Property and Equipment The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. View
us-gaap Proceeds from Sale of Short-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Proceeds from Stock Options Exercised Amount of cash inflow from exercise of option under share-based payment arrangement. View
us-gaap Projects that have Exploratory Well Costs that have been Capitalized for Period Greater than One Year, Number of Projects The number of projects for which exploratory well costs have been capitalized for a period of greater than one year after the completion of drilling. View
us-gaap Property, Plant, and Equipment, Fair Value Disclosure Fair value portion 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 Property, Plant and Equipment, Other, Accumulated Depreciation Amount of accumulated depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Property, Plant and Equipment, Other, Net Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Property, Plant, and Equipment, Salvage Value The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). 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 Accounts Receivable, Credit Loss Expense (Reversal) Amount of expense (reversal of expense) for expected credit loss on accounts receivable. View
us-gaap Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found. View
us-gaap Repayments of Convertible Debt The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. 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 Long-term Debt The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. 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 Results of Operations, Dry Hole Costs Dry hole costs 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 Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Revenue from Contract with Customer, Including Assessed Tax Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. View
us-gaap Revenue, Remaining Performance Obligation, Amount Amount of transaction price allocated to performance obligation that has not been recognized as revenue. 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 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 Sale of Stock, Price Per Share Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. View
us-gaap Senior Notes, Noncurrent Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders. View
us-gaap Senior Notes Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. View
us-gaap Senior Notes, Current Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment. 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, 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, 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, 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, Number Number of options outstanding, including both vested and non-vested options. 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 Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. 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, 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 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 Short-term Lease, Cost Amount of short-term lease cost, excluding expense for lease with term of one month or less. 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 Stock Issued The fair value of stock issued in noncash financing activities. View
us-gaap Stock Issued During Period, Shares, New Issues Number of new stock issued 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 Issued During Period, Value, Other Value of shares of stock issued attributable to transactions classified as other. View
us-gaap Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited. View
us-gaap Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Stock Options Exercised Value of stock issued as a result of the exercise of stock options. View
us-gaap Stock Issued During Period, Value, Treasury Stock Reissued Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. View
us-gaap Storm Damage Provision A noncash adjustment to the provision established for storm damage by an oil, gas, or utility company. View
us-gaap SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses Amount of insurance benefit, claim, loss and settlement expenses incurred, as disclosed in supplementary insurance information. View
us-gaap Tax Credit Carryforward, Amount The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. View
us-gaap Taxes Payable, Current Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other 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 Treasury Stock, Shares Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. View
us-gaap Treasury Stock, Value The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. View
us-gaap Treasury Stock, Value, Acquired, Cost Method Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. View
us-gaap Unamortized Debt Issuance Expense The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. 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 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 Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. View
us-gaap Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. View
us-gaap Unsecured Long-term Debt, Noncurrent Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. View
us-gaap Variable Lease, Cost Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. View
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. 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 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 Class of Warrant or Right, Outstanding Number of warrants or rights outstanding. View
us-gaap Stock Repurchased and Retired During Period, Shares Number of shares that have been repurchased and retired during the period. 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 Repurchase Program, Authorized Amount Amount of stock repurchase plan authorized. View
us-gaap Stock Repurchase Program, Remaining Authorized Repurchase Amount Amount remaining of a stock repurchase plan authorized. View
us-gaap Deferred Tax Asset, Interest Carryforward Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward. View
us-gaap Dividends Payable, Current Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap 3277575 None View
us-gaap Interest and Other Income The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the estimated loss from legal settlements. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Debt Related Commitment Fees and Debt Issuance Costs Represents the charge against earnings during the period for commitment fees and debt issuance expenses. View
us-gaap Escrow Deposit The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. View
us-gaap Stock Issued During Period, Shares, Other Number of shares of stock issued attributable to transactions classified as other. View
srt 3277583 None View
Chart of Accounts => Accounts
Name View
Assets Held-for-sale, at Carrying Value (Deprecated 2014-01-31) View
Disposal Group, Including Discontinued Operation, Assets, Current View
Capital Expenditures Incurred but Not yet Paid View
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization View
Deferred Tax Assets, Derivative Instruments View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Gross, Current View
Defined Benefit Plan, Plan Assets, Contributions by Employer View
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter (Deprecated 2012-01-31) View
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation View
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets View
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation View
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations View
Noncash or Part Noncash Divestiture, Amount of Consideration Received (Deprecated 2011-01-31) View
Nonmonetary Transaction, Gain (Loss) Recognized on Transfer View
Oil and Condensate Revenue (Deprecated 2018-01-31) View
Oil and Gas Production Expense (Deprecated 2018-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, 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, before Tax (Deprecated 2013-01-31) 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), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31) View
Other Cost and Expense, Operating View
Property, Plant and Equipment, Other, Net View
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves View
Restricted Cash and Cash Equivalents, Noncurrent View
Restricted Cash Equivalents, Noncurrent View
Restricted Cash, Noncurrent View
Results of Operations, Depreciation, Depletion, Amortization and Accretion View
Stock Issued During Period, Value, Employee Stock Purchase Plan View
Treasury Stock, Value, Acquired, Cost Method View
Unamortized Debt Issuance Expense View
Unproved Oil and Gas Property, Successful Effort Method View
Number of Reportable Segments View
Taxes Payable, Current View
Accounts Payable and Accrued Liabilities, Current View
Accounts Payable, Current View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accrual for Taxes Other than Income Taxes, Current View
Accrued Liabilities, Current View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
Additional Paid in Capital, Common Stock View
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31) View
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt View
Adjustments to Additional Paid in Capital, Other View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition View
Adjustments to Additional Paid in Capital, Warrant Issued View
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss View
Amortization of Debt Issuance Costs and Discounts View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
Asset Retirement Obligation View
Treasury Stock, Shares View
Asset Retirement Obligation, Accretion Expense View
Asset Retirement Obligation, Cash Paid to Settle 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, Long Lived (Deprecated 2014-01-31) View
Assets Held-for-sale, Long Lived, Fair Value Disclosure View
Assets, Noncurrent View
Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment View
Business Exit Costs View
Capitalized Computer Software, Gross View
Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves View
Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31) View
Capitalized Exploratory Well Cost, Charged to Expense View
Capitalized Exploratory Well Costs View
Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year View
Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) 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), Including Exchange Rate Effect View
Class of Warrant or Right, Exercise Price of Warrants or Rights View
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 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, Shares, Outstanding View
Common Stock, Value, Issued View
Common Stock, Value, Outstanding View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Concentration Risk, Percentage 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
Convertible Debt, Noncurrent View
Cost of Goods and Services Sold View
Costs and Expenses View
Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31) View
Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31) View
Current Federal Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Debt Instrument, Face Amount View
Debt Instrument, Unamortized Discount View
Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent View
Debt Issuance Costs, Gross View
Deferred Income Tax Expense (Benefit) View
Deferred Tax Liabilities, Gross View
Deferred Income Tax Liabilities, Net View
Treasury Stock, Value View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Gross, Current View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Noncurrent View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Net of Valuation Allowance, Current View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Operating Loss Carryforwards, Domestic View
Deferred Tax Assets, Operating Loss Carryforwards, State and Local View
Deferred Tax Assets, Other View
Deferred Tax Assets, Tax Credit Carryforwards View
Deferred Tax Assets, Tax Credit Carryforwards, Other View
Deferred Tax Assets, Tax Credit Carryforwards, Research View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations 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, Accumulated Benefit Obligation View
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax View
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax View
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax View
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Transition Asset (Obligation), before Tax View
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) View
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) View
Defined Benefit Plan, Actuarial Net (Gains) Losses (Deprecated 2012-01-31) View
Defined Benefit Plan, Amortization of Gain (Loss) View
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax View
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year (Deprecated 2013-01-31) View
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase View
Defined Benefit Plan, Benefit Obligation View
Defined Benefit Plan, Benefit Obligation, Benefits Paid View
Defined Benefit Plan, Benefit Obligation, Payment for Settlement View
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) View
Defined Benefit Plan, Debt Securities (Deprecated 2012-01-31) View
Defined Benefit Plan, Equity Securities (Deprecated 2012-01-31) View
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31) View
Defined Benefit Plan, Expected Amortization, Next Fiscal Year View
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years View
Defined Benefit Plan, Expected Future Benefit Payments in Year Five (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payments in Year Four (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payments in Year Three (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payments in Year Two (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payment, Year One View
Defined Benefit Plan, Expected Future Benefit Payment, Year Five View
Defined Benefit Plan, Expected Future Benefit Payment, Year Four View
Defined Benefit Plan, Expected Future Benefit Payment, Year Three View
Defined Benefit Plan, Expected Future Benefit Payment, Year Two View
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year View
Defined Benefit Plan, Expected Return (Loss) on Plan Assets View
Defined Benefit Plan, Plan Assets, Amount View
Defined Benefit Plan, Funded (Unfunded) Status of Plan View
Defined Benefit Plan, Interest Cost View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) View
Defined Benefit Plan, Other Plan Assets (Deprecated 2012-01-31) View
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment View
Defined Benefit Plan, Plan Assets, Benefits Paid View
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement View
Defined Benefit Plan, Service Cost View
Defined Benefit Plan, Plan Assets, Payment for Settlement View
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities (Deprecated 2012-01-31) View
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities (Deprecated 2012-01-31) View
Defined Benefit Plan, Target Allocation Percentage of Assets, Other (Deprecated 2012-01-31) View
Defined Benefit Plan, Target Plan Asset Allocations (Deprecated 2017-01-31) View
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage View
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election View
Derivative Asset, Not Offset, Policy Election Deduction View
Derivative Asset, Current View
Derivative Asset, Noncurrent View
Derivative Asset, Fair Value, Gross Asset View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral View
Derivative Asset, Fair Value, Amount Offset Against Collateral View
Derivative Liability, Fair Value, Gross Liability View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral View
Derivative Liability, Fair Value, Amount Offset Against Collateral View
Derivative, Fair Value, Net View
Derivative Instruments and Hedges, Assets View
Derivative Instruments and Hedges, Liabilities View
Derivative Instruments and Hedges, Noncurrent View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net View
Derivative Liability, Current View
Derivative Liability, Noncurrent View
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election View
Derivative Liability, Not Offset, Policy Election Deduction View
Disposal Group, Including Discontinued Operation, Long Lived Assets, Current (Deprecated 2015-01-31) View
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent View
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down View
Dividends View
Dividends, Common Stock View
Dividends, Common Stock, Cash View
Dividends Payable, Amount (Deprecated 2012-01-31) View
Dividends Payable View
Early Repayment of Senior Debt View
Earnings Per Share, Basic View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Employee-related Liabilities, Current View
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount View
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) View
Entity-Wide Revenue, Major Customer, Percentage (Deprecated 2013-01-31) 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
Exploratory Wells Drilled, Net Nonproductive 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 View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value View
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net View
Gain (Loss) on Contract Termination View
Gain (Loss) on Derivative Instruments, Net, Pretax View
Gain (Loss) on Hedging Activity View
Gain (Loss) on Price Risk Derivative Instruments Not Designated as Hedging Instruments View
Gain (Loss) on Disposition of Oil and Gas Property View
Gain (Loss) on Disposition of Proved Property View
Gain (Loss) Related to Litigation Settlement View
Gain (Loss) on Extinguishment of Debt View
Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31) View
Gas Gathering, Transportation, Marketing and Processing Revenue (Deprecated 2018-01-31) View
Gas Balancing Payable View
General and Administrative Expense View
Goodwill, Impairment Loss View
Impairment of Leasehold View
Impairment of Long-Lived Assets Held-for-use View
Impairment of Oil and Gas Properties View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest View
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority View
Income Tax Expense (Benefit) View
Income Taxes Paid, Net View
Income Taxes Receivable, Current 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 at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, 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 Credit, Research, Amount View
Increase (Decrease) in Accounts Payable and Accrued Liabilities View
Increase (Decrease) in Accounts Receivable View
Increase (Decrease) in Derivative Assets and Liabilities View
Increase (Decrease) in Income Taxes Receivable View
Increase (Decrease) in Operating Capital View
Increase (Decrease) in Prepaid Expense and Other Assets View
Increase (Decrease) in Restricted Cash View
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Insured Event, Gain (Loss) View
Intangible Assets, Net (Excluding Goodwill) View
Interest Costs Capitalized View
Interest Expense View
Interest Income, Operating View
Interest Income, Other View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Interest Payable, Current View
Inventory, Noncurrent, Fair Value Disclosure View
Inventory, Raw Materials, Gross View
Inventory, Raw Materials and Supplies, Net of Reserves View
Inventory Write-down View
Land View
Operating Leases, Rent Expense View
Lease, Cost View
Lessee, Operating Lease, Discount Rate View
Lessee, Operating Lease, Liability, to be Paid View
Lessee, Operating Lease, Liability, to be Paid, after Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year One View
Lessee, Operating Lease, Liability, to be Paid, Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year Four View
Lessee, Operating Lease, Liability, to be Paid, Year Three View
Lessee, Operating Lease, Liability, to be Paid, Year Two View
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount View
Letters of Credit Outstanding, Amount View
Liabilities and Equity View
Liabilities, Current View
Liabilities, Noncurrent View
Liabilities of Assets Held-for-sale (Deprecated 2014-01-31) View
Liabilities Subject to Compromise, Early Contract Termination Fees View
Long-term Line of Credit View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Maximum Borrowing Capacity View
Line of Credit Facility, Remaining Borrowing Capacity View
Estimated Litigation Liability View
Long-term Debt View
Long-term Debt, Fair Value View
Long-term Debt, Excluding Current Maturities View
Long-term Line of Credit, Noncurrent View
Long-term Purchase Commitment, Amount View
Natural Gas Production Revenue (Deprecated 2018-01-31) View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations View
Net Cash Provided by (Used in) Operating Activities View
Net Income (Loss) Attributable to Parent View
Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) View
Noncash or Part Noncash Acquisition, Value of Assets Acquired (Deprecated 2011-01-31) View
Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization View
Oil and Gas Property, Successful Effort Method, Accumulated Impairment View
Oil and Gas Sales Revenue (Deprecated 2018-01-31) View
Operating Income (Loss) View
Operating Lease, Cost 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, Future Minimum Sublease Rentals View
Operating Leases, Rent Expense, Net View
Operating Leases, Rent Expense, Sublease Rentals View
Operating Loss Carryforwards View
Other Accrued Liabilities, Current View
Other Assets Held-for-sale (Deprecated 2014-01-31) View
Other Assets, Noncurrent View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax 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), Net of Tax, Portion Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax View
Property, Plant and Equipment, Other, Accumulated Depreciation View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after 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), Minimum Pension Liability Net Adjustment, before Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Labor-related Expenses View
Other Liabilities, Current View
Other Liabilities, Noncurrent View
Other Noncash Income (Expense) View
Other Nonoperating Income (Expense) View
Other Operating Income View
Other Operating Income (Expense), Net View
Other Revenue, Net (Deprecated 2018-01-31) View
Other Tax Expense (Benefit) View
Payments for (Proceeds from) Delayed Tax Exempt Exchange View
Payments for (Proceeds from) Other Investing Activities View
Payments for Repurchase of Common Stock View
Payment for Debt Extinguishment or Debt Prepayment Cost View
Payments of Debt Issuance Costs View
Payments of Dividends View
Payments of Ordinary Dividends, Common Stock View
Payments of Financing Costs View
Payment, Tax Withholding, Share-based Payment Arrangement View
Payments to Acquire Oil and Gas Property View
Payments to Acquire Oil and Gas Property and Equipment View
Payments to Explore and Develop Oil and Gas Properties View
Payment for Pension and Other Postretirement Benefits View
Payment for Pension Benefits View
Prepaid Expense and Other Assets, Current View
Price Risk Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net View
Price Risk Derivatives, at Fair Value, Net View
Proceeds from Convertible Debt View
Proceeds from Debt, Net of Issuance Costs View
Proceeds from Income Tax Refunds View
Proceeds from Insurance Settlement, Investing Activities View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Long-term Debt View
Proceeds from Issuance of Long-term Debt and Capital Securities, Net View
Proceeds from Issuance of Senior Long-term Debt View
Proceeds from Lines of Credit View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from Sale of Oil and Gas Property and Equipment View
Proceeds from Sale of Short-term Investments View
Proceeds from Stock Options Exercised View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest View
Projects that have Exploratory Well Costs that have been Capitalized for Period Greater than One Year, Number of Projects View
Property, Plant, and Equipment, Fair Value Disclosure View
Property, Plant and Equipment, Net View
Tax Credit Carryforward, Amount View
Property, Plant, and Equipment, Salvage Value View
Proved Oil and Gas Property, Successful Effort Method View
Accounts Receivable, Credit Loss Expense (Reversal) View
Repayments of Convertible Debt View
Repayments of Lines of Credit View
Repayments of Long-term Debt View
Restricted Cash View
Restricted Cash and Cash Equivalents View
Results of Operations, Dry Hole Costs View
Results of Operations, Revenue, Other View
Retained Earnings (Accumulated Deficit) View
Revenue from Contract with Customer, Including Assessed Tax View
Revenue, Remaining Performance Obligation, Amount View
Revenues View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability View
Sale of Stock, Price Per Share View
Secured Long-term Debt, Noncurrent View
Senior Notes, Noncurrent View
Senior Notes View
Senior Notes, Current View
Share-based Payment Arrangement, Noncash Expense 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, Exercises in Period, Intrinsic Value 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, 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 Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 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, Forfeitures in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value View
Short-term Lease, Cost View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest View
Stock Issued View
Stock Issued During Period, Shares, New Issues View
Stock Issued During Period, Shares, Restricted Stock Award, Gross View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period View
Stock Issued During Period, Shares, Treasury Stock Reissued View
Stock Issued During Period, Value, Conversion of Convertible Securities View
Stock Issued During Period, Value, New Issues View
Stock Issued During Period, Value, Other View
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Stock Issued During Period, Value, Stock Options Exercised View
Stock Issued During Period, Value, Treasury Stock Reissued View
Storm Damage Provision View
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses View
Unrealized Gain (Loss) on Derivatives View
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate View
Unsecured Long-term Debt, Noncurrent View
Variable Lease, Cost View
Weighted Average Number Diluted Shares Outstanding Adjustment View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Wells in Process of Drilling View
Class of Warrant or Right, Outstanding View
Stock Repurchased and Retired During Period, Shares View
Stock Repurchased and Retired During Period, Value View
Stock Repurchase Program, Authorized Amount View
Stock Repurchase Program, Remaining Authorized Repurchase Amount View
Deferred Tax Asset, Interest Carryforward View
Dividends Payable, Current View
3248967 View
Interest and Other Income View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements View
Effective Income Tax Rate Reconciliation, Tax Credit, Amount View
Debt Related Commitment Fees and Debt Issuance Costs View
Escrow Deposit View
Stock Issued During Period, Shares, Other View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations View