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Company Name: PATRIOT COAL CORP
CIK: 1376812
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-08-06
Last Filing Date: 2013-11-08
SEC Filings
Start End Frame Filed ACCN Value View
2010-04-01 2010-06-30 CY2009Q2 2010-08-06 0000950123-10-074028 $ 90,863,950 View
2010-07-01 2010-09-30 CY2009Q3 2010-11-05 0001193125-10-249958 $ 90,968,377 View
2010-01-01 2010-12-31 CY2008 2011-02-25 0001193125-11-047464 $ 90,907,264 View
2011-01-01 2011-03-31 CY2011Q1 2011-05-03 0001193125-11-124087 $ 91,284,321 View
2011-01-01 2011-06-30 CY2011Q2I 2011-08-05 0001193125-11-212216 $ 225,659,000 View
2011-01-01 2011-09-30 CY2011Q3I 2011-11-02 0001445305-11-003184 $ 230,109,000 View
2012-01-01 2012-03-31 CY2012Q1I 2012-05-09 0001376812-12-000007 $ 233,535,000 View
2012-04-01 2012-06-30 CY2012Q2I 2012-08-09 0001376812-12-000012 $ 235,410,000 View
2012-01-01 2012-09-30 CY2012Q3I 2012-10-30 0001376812-12-000015 $ 239,284,000 View
2013-01-01 2013-03-31 CY2013Q1I 2013-05-09 0001376812-13-000022 $ 257,082,000 View
2013-04-01 2013-06-30 CY2013Q2I 2013-08-09 0001376812-13-000037 $ 258,282,000 View
2013-07-01 2013-09-30 CY2013Q3I 2013-11-08 0001376812-13-000057 $ 259,286,000 View
2010-01-01 2010-12-31 CY2010 2012-05-08 0001376812-12-000005 $ 600,000 View
2010-01-01 2010-12-31 CY2011Q4 2012-02-23 0001376812-12-000003 $ 600,000 View
2012-01-01 2012-12-31 CY2012 2013-02-22 0001376812-13-000006 $ 15,100,000 View
SEC Facts By Type
Type Name Description 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 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, 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 Capital Leases, Future Minimum Payments, Interest Included in Payments Amount necessary to reduce net minimum lease payments to present value for capital leases. 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 Debtor Reorganization Items, Debtor-in-Possession Facility Financing Costs Amount of reorganization items related to debtor-in-possession facility financing costs. View
us-gaap Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net Amount of net gain (loss) on settlement of other claims for entities in bankruptcy, reported as a reorganization item. View
us-gaap Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) (Deprecated 2013-01-31) The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. 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 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, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. View
us-gaap Earnings Per Share, Basic and Diluted The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Gain (Loss) on Disposition of Property (Deprecated 2013-01-31) The gains (losses) included in results of operations resulting from the sale or disposal of property, plant and equipment, which do not qualify for treatment as discontinued operations. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property. View
us-gaap Increase (Decrease) in Inventories The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Workers' Compensation Liabilities The increase (decrease) during the reporting period in the amount due for insurance (or actual expenses) to cover the medical expenses and lost income for employees that are injured during the course of doing work-related activities. 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 Financing Receivable, after Allowance for Credit Loss, Noncurrent Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. View
us-gaap Notes Payable Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. 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. The change 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), 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, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) For each annual statement of income presented, the tax effect of the net gain (loss) recognized in other comprehensive income that is a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic benefit cost for the period. View
us-gaap Preferred Stock, Value, Issued Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Restatement of Prior Year Income, Net of Tax (Deprecated 2020-01-31) Resulting effect of restatement to correct an error, after tax effects, on the net income of prior periods for the year in which any adjustments are first made. In statements containing more than one period, discloses the effects for each period. View
us-gaap Restructuring Reserve, Current Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, 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 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 Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. View
us-gaap Short-term Debt Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. 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 Valuation Allowance, Amount (Deprecated 2013-01-31) The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns. View
us-gaap Debtor-in-Possession Financing, Borrowings Outstanding Amount of debtor-in-possession borrowings outstanding. 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
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
dei Entity Number of Employees Number of persons employed by the Entity 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
invest Derivative, Nonmonetary Notional Amount Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. View
invest Derivative, Notional Amount Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. 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 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 Accretion Expense Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. View
us-gaap 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 Employee Benefits, Current Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. 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 Accrued Royalties, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. 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 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), 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 Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Amount, after 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 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 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 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 Accounts Receivable, Allowance for Credit Loss, Current Amount of allowance for credit loss on accounts receivable, classified as current. View
us-gaap Amortization of Debt Discount (Premium) Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. View
us-gaap Amortization of Debt Issuance Costs Amount of amortization expense attributable to debt issuance costs. View
us-gaap Asset Impairment Charges Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. View
us-gaap Asset Retirement Obligation The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Asset Retirement Obligation, Current Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Asset Retirement Obligation, Liabilities Incurred Amount of asset retirement obligations incurred during the period. View
us-gaap Asset Retirement Obligation, Liabilities Settled Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. View
us-gaap Asset Retirement Obligation, Revision of Estimate Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. View
us-gaap Asset Retirement Obligations, Noncurrent Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Assets Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Current Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Bankruptcy Claims, Amount of Claims Expunged by Bankruptcy Court Amount of bankruptcy claim filed that bankruptcy court has expunged. View
us-gaap Bankruptcy Claims, Amount of Claims Filed Amount of bankruptcy claim filed with bankruptcy court. View
us-gaap Bankruptcy Claims, Amount of Claims on Material Contracts Rejected (Deprecated 2016-01-31) Amount of related claims on material contracts rejected (such as leases and purchase commitments). View
us-gaap Bankruptcy Claims, Amount of Filed Claims Likely to be Denied Amount of bankruptcy claim filed with bankruptcy court that are likely to be denied. View
us-gaap Bankruptcy Claims, Number Claims Filed The aggregate number of claims filed with the bankruptcy court. View
us-gaap Bankruptcy Claims, Number of Claims Expunged by Bankruptcy Court The aggregate number of claims filed that the bankruptcy court has expunged. View
us-gaap Buildings and Improvements, Gross Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. View
us-gaap Capital Lease Obligations Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. View
us-gaap Lease Obligation Incurred Amount of increase in lease obligation from new lease. View
us-gaap Capital Leases, Future Minimum Payments Due Amount of minimum lease payments for capital leases. View
us-gaap Capital Leases, Future Minimum Payments Due, Next Twelve Months Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Five Years Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Four Years Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Three Years Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Two Years Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due Thereafter Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes. View
us-gaap Cash Acquired from Acquisition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). 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 Coal Industry Retiree Health Benefit Act of 1992, Estimated Amount of Obligation Amount of obligation for medical and death benefits to be provided under Coal Industry Retiree Health Benefit Act of 1992. View
us-gaap Coal Products and Services Revenue (Deprecated 2018-01-31) Revenue derived from sale of coal and related products. Also includes rendering of services and selling of products for exploration, development, mining, and processing, as well as supporting activities. 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 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 Convertible Debt Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. View
us-gaap Convertible Debt, Fair Value Disclosures Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. View
us-gaap Cost of Coal Products and Services (Deprecated 2018-01-31) Cost incurred related to exploration, development, mining, processing and providing mining support activities related to coal. View
us-gaap Debt and Lease Obligation Amount of short-term and long-term debt and lease obligation. View
us-gaap Debt, Current Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. View
us-gaap Debt Instrument, Convertible, Conversion Price The price per share of the conversion feature embedded in the debt instrument. View
us-gaap Debt Instrument, Convertible, Conversion Ratio (Deprecated 2013-01-31) The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted. View
us-gaap Debt Instrument, Convertible, Effective Interest Rate (Deprecated 2013-01-31) The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement. View
us-gaap Debt Instrument, Fair Value Disclosure Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. View
us-gaap Debt Instrument, Periodic Payment Amount of the required periodic payments including both interest and principal payments. View
us-gaap Debt Instrument, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Debtor-in-Possession Financing, Amount Arranged Amount debtor-in-possession financing arranged (but not necessarily all borrowed). View
us-gaap Debtor Reorganization Items, Interest Income on Accumulated Cash Amount of interest income on accumulated cash, reported as a reorganization item. View
us-gaap Debtor Reorganization Items, Legal and Advisory Professional Fees Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy. View
us-gaap Debtor Reorganization Items, Net Gain (Loss) on Rejection of Leases and Other Executory Contracts Amount of gain (loss) on rejection of leases and other executory contracts, reported as a reorganization item. View
us-gaap Debtor Reorganization Items, Revaluation of Assets and Liabilities Amount recognized from the revaluation of assets and liabilities. View
us-gaap Debt Issuance Costs, Net Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. View
us-gaap Deferred Gain on Sale of Property Amount of gain on the sale of property that does not qualify for gain recognition as of the balance sheet date. View
us-gaap Deferred Tax Assets, Gross Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. View
us-gaap Deferred Tax Assets, Net, Current Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current. 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, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. View
us-gaap Deferred Tax Assets, Tax 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, Reserves and Accruals, Accrued Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. View
us-gaap Deferred Tax Assets, 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 Assets, Tax Deferred Expense, Reserves and Accruals, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. View
us-gaap Deferred Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. View
us-gaap Deferred Tax Liabilities, Net, 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, 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 Net Gains (Losses) (Deprecated 2013-01-31) The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. 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 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, 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 Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. 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, Contributions by Plan Participants (Deprecated 2017-01-31) The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets. View
us-gaap Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate. 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 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, 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 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, 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, 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, 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, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees. 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, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) The ultimate trend rate for health care costs. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Deposits Assets Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future. View
us-gaap Depreciation The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. View
us-gaap Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. View
us-gaap Derivative Asset Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Asset, Current Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap 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, Gain (Loss) on Derivative, Net Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. View
us-gaap Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31) The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. 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 Liability Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Liability, Current Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Derivative Liability, Noncurrent Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Due from Affiliate, Current Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle). View
us-gaap Earnings Per Share, Basic The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. View
us-gaap Earnings Per Share, 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 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, Cost Not yet Recognized, Amount Amount of cost not yet recognized for nonvested award under share-based payment arrangement. View
us-gaap Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. View
us-gaap Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries (Deprecated 2013-01-31) Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues. View
us-gaap Proceeds from Equity Method Investment, Distribution Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. View
us-gaap Equity Method Investment, Ownership Percentage The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. View
us-gaap Equity Method Investments This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. View
us-gaap Finite-Lived Intangible Assets, Useful Life (Deprecated 2012-01-31) The useful life of all finite-lived intangible assets. View
us-gaap Gain (Loss) on Sale of Financing Receivable Amount of gain (loss) on sale of financing receivable. View
us-gaap Guarantor Obligations, Current Carrying Value The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. View
us-gaap Guarantor Obligations, Maximum Exposure, Undiscounted Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. View
us-gaap Guarantees, Fair Value Disclosure Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services. 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 Long-Lived Assets to be Disposed of The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. 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 (Loss) from Equity Method Investments Amount of income (loss) for proportionate share of equity method investee's income (loss). View
us-gaap Income Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Income Taxes Paid The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. View
us-gaap Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation 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, 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, State and Local Income Taxes, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, 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 income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. View
us-gaap Increase (Decrease) in Accounts and Other Receivables The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables. 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 Accrued Interest Receivable, Net The increase (decrease) during the reporting period in the amount due from borrowers for interest payments. View
us-gaap Increase (Decrease) in Asset Retirement Obligations The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations. 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 Increase (Decrease) in Other Noncurrent Assets Amount of increase (decrease) in noncurrent assets classified as other. View
us-gaap Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Amount of increase (decrease) in noncurrent operating assets after deduction of noncurrent operating liabilities classified as other. View
us-gaap Increase (Decrease) in Other Operating Assets Amount of increase (decrease) in operating assets classified as other. View
us-gaap Increase (Decrease) in Other Operating Assets and Liabilities, Net Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. View
us-gaap Increase (Decrease) in Obligation, Other Postretirement Benefits Amount of increase (decrease) in obligation for other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits. 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 Interest and Debt Expense Interest and debt related expenses associated with nonoperating financing activities of the entity. 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 Expense, Other Amount of interest expense classified as other. 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 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, Finished Goods, Gross Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. View
us-gaap Inventory, Net Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. View
us-gaap Inventory, 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 Investment Income, Interest Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. View
us-gaap Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Amount of investment in equity method investee and investment in and advance to affiliate. View
us-gaap Land Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. 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 Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. 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 Subject to Compromise Total amount of liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities The amount of trade accounts payable included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Debt and Accrued Interest The amount of debt and related accrued interest included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Employee and Deemed Claims The amount of employee and related claims included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Other Liabilities The amount of other obligations included in liabilities subject to compromise. View
us-gaap Liability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation Amount classified as pension and other postretirement obligations included in liability subject to compromise. 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 Long-term Debt Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt and Lease Obligation Amount of long-term debt and lease obligation, classified as noncurrent. View
us-gaap Long-term Debt and Lease Obligation, Current Amount of long-term debt and lease obligation, classified as current. View
us-gaap Long-Term Debt, Maturity, after Year Five Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing 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 Long-Term Debt, Maturity, Year Five Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing 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 Long-Term Debt, Maturity, Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing 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 Long-Term Debt, Maturity, Year Three Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing 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 Long-Term Debt, Maturity, Year Two Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing 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 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 Loss Contingency, Claims Settled and Dismissed, Number The number of claims settled and dismissed during the period. View
us-gaap Machinery and Equipment, Gross Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment. View
us-gaap Mine Reclamation and Closing Liability, Noncurrent Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas. View
us-gaap Multiemployer Plan, Period Contributions (Deprecated 2017-01-31) Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. View
us-gaap Multiemployer Plans, Plan Contributions (Deprecated 2017-01-31) Amount of contributions made to the multiemployer plan by all employers who participate in the plan. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. 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) Investing Activities Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Operating Activities Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Income (Loss) Attributable to Parent The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. View
us-gaap Notes Payable, Fair Value Disclosure Fair value portion of notes payable. View
us-gaap Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31) Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Leases, Rent Expense, Minimum Rentals This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. 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 Asset Impairment Charges The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. View
us-gaap Other Assets, Current Amount of current assets classified as other. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), 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), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Amount, after 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, 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, 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), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Amount, after 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), 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), Derivatives Qualifying as Hedges, Net of Tax 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). 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, 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 on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Other Comprehensive Income (Loss), 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 Other Increase (Decrease) in Provision for Restructuring (Deprecated 2011-01-31) Other change from the prior period in the balance of the restructuring provision that is not otherwise defined in the taxonomy. View
us-gaap Other Inventory, Supplies, Gross Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or 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 Expense Amount of expense or loss included in net income that result in no cash flow, 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 Payments to Acquire Businesses The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs. View
us-gaap Liability, Other Postretirement Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan, classified as noncurrent. Excludes pension plan. View
us-gaap Other Restructuring Costs Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. View
us-gaap Other Revenue, Net (Deprecated 2018-01-31) Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. View
us-gaap Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Payments of Stock Issuance Costs The cash outflow for cost incurred directly with the issuance of an equity security. View
us-gaap Payments to Acquire Equipment on Lease The cash outflow for payments to acquire rented equipment which is recorded as an asset. View
us-gaap Payments to Acquire Intangible Assets The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. View
us-gaap Payments to Acquire Interest in Joint Venture The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. View
us-gaap Payments to Acquire Mineral Rights The cash outflow from the acquisition of a mineral right which is the right to extract a mineral from the earth or to receive payment, in the form of royalty, for the extraction of minerals. View
us-gaap Payments to Acquire Property, Plant, and Equipment The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. View
us-gaap Payments to Acquire Royalty Interests in Mining Properties The cash outflow from the purchase of royalty interests in mining properties is the amount of cash the mineral producer pays the owner of the mine or mineral resource. View
us-gaap Liability, Defined Benefit Plan, Current Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. View
us-gaap Liability, Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. View
us-gaap Preferred Stock, Par or Stated Value Per Share Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. View
us-gaap 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 Proceeds from Collection of Notes Receivable The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. 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 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 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, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised. View
us-gaap Proceeds from Other Debt Amount of cash inflow from debt classified as other. View
us-gaap Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from (Repayments of) Short-term Debt The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Sale of Property, Plant, and Equipment The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Proceeds from Short-term Debt The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. 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 Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31) The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. View
us-gaap Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31) The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. View
us-gaap Receivables, Net, Current The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. View
us-gaap Related Party Transaction, Due from (to) Related Party Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. View
us-gaap Related Party Transaction, Revenues from Transactions with Related Party (Deprecated 2012-01-31) Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. View
us-gaap Reorganization Items Total amount of reorganization items. View
us-gaap Repayments of Assumed Debt The cash outflow from the repayments of a long-term debt originally issued by another party but is assumed by the entity. 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 Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Discount rate from fair value on purchase date that participants pay for shares. View
us-gaap Restructuring and Related Cost, Number of Positions Eliminated, Period Percent The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). View
us-gaap Restructuring Charges Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. View
us-gaap Restructuring Costs and Asset Impairment Charges Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. View
us-gaap Restructuring Reserve Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. View
us-gaap Restructuring Reserve, Noncurrent Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset. View
us-gaap Restructuring, Settlement and Impairment Provisions Amount of restructuring charges, remediation cost, and asset impairment loss. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Revenue from Related Parties Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. 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 Royalty Expense Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. View
us-gaap Royalty Revenue from Coal (Deprecated 2018-01-31) Revenue earned during the period by the entity for rights granted to another party under coal mineral leases. View
us-gaap Revenue, Net (Deprecated 2018-01-31) Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. View
us-gaap Secured Debt Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. View
us-gaap Selling, General and Administrative Expense The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. 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 Severance Costs (Deprecated 2013-01-31) The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits. 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, Fair Value Assumptions, Expected Volatility Rate The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate The risk-free interest rate assumption that is used in valuing an option on its own shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares authorized for issuance under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted average period between the balance sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years. 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, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period. 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, Forfeitures in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Net number of share options (or share units) granted during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period. View
us-gaap Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). 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 During Period, Shares, Acquisitions Number of shares of stock issued during the period pursuant to acquisitions. View
us-gaap Stock Issued During Period, Shares, Employee Stock Purchase Plans Number of shares issued during the period as a result of an employee stock purchase plan. View
us-gaap Stock Issued During Period, Shares, New Issues Number of new stock issued during the period. View
us-gaap Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of share options (or share units) exercised during the current period. View
us-gaap Stock Issued During Period, Value, Acquisitions Value of stock issued pursuant to acquisitions during the period. View
us-gaap Stock Issued During Period, Value, 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 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 Subsequent Event, Amount, Higher Range (Deprecated 2013-01-31) The highest estimated amount of the financial effect of the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued. View
us-gaap Subsequent Event, Amount, Lower Range (Deprecated 2013-01-31) The lowest estimated amount of the financial effect of the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued. 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 Unrecognized Tax Benefits Amount of unrecognized tax benefits. View
us-gaap Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. 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 Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. View
us-gaap Weighted Average Number 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 Weighted Average Number of Shares Outstanding, Basic and Diluted Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). View
us-gaap Weighted Average Number of Shares Outstanding, Basic Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. View
us-gaap Workers' Compensation Liability, Current Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Workers' Compensation Liability Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. View
us-gaap Workers' Compensation Liability, Noncurrent Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the noncurrent portion of the liabilities (due beyond one year; or beyond one operating cycle if longer). View
us-gaap Write off of Deferred Debt Issuance Cost Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. View
Chart of Accounts => Accounts
Name View
Bankruptcy Claims, Number of Claims Expunged by Bankruptcy Court View
Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) View
Earnings Per Share, Basic and Diluted View
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) View
Liability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation View
Other Revenue, Net (Deprecated 2018-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Short-term Debt View
Due from Affiliate, Current View
Earnings Per Share, Basic View
Other Restructuring Costs View
Accounts Payable and Accrued Liabilities, Current View
Accounts Payable, Current View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accretion Expense View
Accrual for Taxes Other than Income Taxes, Current View
Accrued Employee Benefits, Current View
Accrued Liabilities, Current View
Accrued Royalties, 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, Defined Benefit Plan, after Tax View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
Additional Paid in Capital, Common Stock View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition View
Accounts Receivable, Allowance for Credit Loss, Current View
Amortization of Debt Discount (Premium) View
Amortization of Debt Issuance Costs View
Asset Impairment Charges View
Asset Retirement Obligation View
Asset Retirement Obligation, Accretion Expense 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
Bankruptcy Claims, Amount of Claims Expunged by Bankruptcy Court View
Bankruptcy Claims, Amount of Claims Filed View
Bankruptcy Claims, Amount of Claims on Material Contracts Rejected (Deprecated 2016-01-31) View
Bankruptcy Claims, Amount of Filed Claims Likely to be Denied View
Bankruptcy Claims, Number Claims Filed View
Buildings and Improvements, Gross View
Capital Lease Obligations View
Lease Obligation Incurred View
Capital Leases, Future Minimum Payments Due View
Capital Leases, Future Minimum Payments Due, Next Twelve Months View
Capital Leases, Future Minimum Payments Due in Five Years View
Capital Leases, Future Minimum Payments Due in Four Years View
Capital Leases, Future Minimum Payments Due in Three Years View
Capital Leases, Future Minimum Payments Due in Two Years View
Capital Leases, Future Minimum Payments Due Thereafter View
Capital Leases, Future Minimum Payments, Interest Included in Payments View
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments View
Cash Acquired from Acquisition View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Coal Industry Retiree Health Benefit Act of 1992, Estimated Amount of Obligation View
Coal Products and Services Revenue (Deprecated 2018-01-31) 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
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Convertible Debt View
Convertible Debt, Fair Value Disclosures View
Cost of Coal Products and Services (Deprecated 2018-01-31) View
Debt and Lease Obligation View
Debt, Current View
Debt Instrument, Convertible, Conversion Price View
Debt Instrument, Convertible, Conversion Ratio (Deprecated 2013-01-31) View
Debt Instrument, Convertible, Effective Interest Rate (Deprecated 2013-01-31) View
Debt Instrument, Fair Value Disclosure View
Debt Instrument, Periodic Payment View
Debt Instrument, Unamortized Discount View
Debtor-in-Possession Financing, Amount Arranged View
Debtor-in-Possession Financing, Borrowings Outstanding View
Debtor Reorganization Items, Debtor-in-Possession Facility Financing Costs View
Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net View
Debtor Reorganization Items, Interest Income on Accumulated Cash View
Debtor Reorganization Items, Legal and Advisory Professional Fees View
Debtor Reorganization Items, Net Gain (Loss) on Rejection of Leases and Other Executory Contracts View
Debtor Reorganization Items, Revaluation of Assets and Liabilities View
Debt Issuance Costs, Net View
Deferred Gain on Sale of Property View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Current View
Deferred Tax Assets, Net of Valuation Allowance, Current View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Other View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Other View
Deferred Tax Liabilities, Property, Plant and Equipment 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 Net Prior Service Cost (Credit) (Deprecated 2013-01-31) View
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 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, Rate of Compensation Increase View
Defined Benefit Plan, Benefit Obligation View
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) View
Defined Benefit Plan, Plan Assets, Contributions by Employer View
Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31) View
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components View
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components View
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years View
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter (Deprecated 2012-01-31) 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, Plan Assets, Amount View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Interest Cost View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) View
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment View
Defined Benefit Plan, Service Cost View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Defined Contribution Plan, Cost View
Deposits Assets View
Depreciation View
Depreciation, Depletion and Amortization View
Derivative Asset View
Derivative Asset, Current View
Derivative Asset, Noncurrent View
Derivative Asset, Fair Value, Gross Asset View
Derivative, Gain (Loss) on Derivative, Net View
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net View
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net View
Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31) View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Liability View
Derivative Liability, Current View
Derivative Liability, Noncurrent View
Earnings Per Share, Diluted View
Employee-related Liabilities, Current View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount View
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries (Deprecated 2013-01-31) View
Proceeds from Equity Method Investment, Distribution View
Equity Method Investment, Ownership Percentage View
Equity Method Investments View
Finite-Lived Intangible Assets, Useful Life (Deprecated 2012-01-31) View
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property View
Gain (Loss) on Disposition of Property (Deprecated 2013-01-31) View
Gain (Loss) on Sale of Financing Receivable View
Guarantor Obligations, Current Carrying Value View
Guarantor Obligations, Maximum Exposure, Undiscounted View
Guarantees, Fair Value Disclosure View
Impairment of Long-Lived Assets Held-for-use View
Impairment of Long-Lived Assets to be Disposed of 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 (Loss) from Equity Method Investments View
Income Tax Expense (Benefit) View
Income Taxes Paid View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, 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, State and Local Income Taxes, Amount View
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount View
Increase (Decrease) in Accounts and Other Receivables View
Increase (Decrease) in Accounts Payable and Accrued Liabilities View
Increase (Decrease) in Accrued Interest Receivable, Net View
Increase (Decrease) in Asset Retirement Obligations View
Increase (Decrease) in Inventories View
Increase (Decrease) in Other Noncurrent Assets View
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net View
Increase (Decrease) in Other Operating Assets View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Obligation, Other Postretirement Benefits View
Increase (Decrease) in Prepaid Expense and Other Assets View
Increase (Decrease) in Workers' Compensation Liabilities View
Interest and Debt Expense View
Interest Costs Capitalized View
Interest Expense View
Interest Expense, Other View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Interest Payable, Current View
Inventory, Finished Goods, Gross View
Inventory, Net View
Inventory, Raw Materials, Gross View
Investment Income, Interest View
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures View
Land View
Letters of Credit Outstanding, Amount View
Liabilities View
Liabilities and Equity View
Liabilities, Current View
Liabilities Subject to Compromise View
Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities View
Liabilities Subject to Compromise, Debt and Accrued Interest View
Liabilities Subject to Compromise, Employee and Deemed Claims View
Liabilities Subject to Compromise, Other Liabilities View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) View
Line of Credit Facility, Current Borrowing Capacity View
Line of Credit Facility, Remaining Borrowing Capacity View
Long-term Debt View
Long-term Debt and Lease Obligation View
Long-term Debt and Lease Obligation, Current View
Long-Term Debt, Maturity, after Year Five View
Long-Term Debt, Maturity, Year Five View
Long-Term Debt, Maturity, Year Four View
Long-Term Debt, Maturity, Year Three View
Long-Term Debt, Maturity, Year Two View
Long-term Debt, Excluding Current Maturities View
Loss Contingency, Claims Settled and Dismissed, Number View
Machinery and Equipment, Gross View
Mine Reclamation and Closing Liability, Noncurrent View
Multiemployer Plan, Period Contributions (Deprecated 2017-01-31) View
Multiemployer Plans, Plan Contributions (Deprecated 2017-01-31) View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Operating Activities View
Net Income (Loss) Attributable to Parent View
Financing Receivable, after Allowance for Credit Loss, Noncurrent View
Notes Payable View
Notes Payable, Fair Value Disclosure View
Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31) View
Operating Income (Loss) View
Operating Leases, Rent Expense, Minimum Rentals View
Other Accrued Liabilities, Current View
Other Asset Impairment Charges View
Other Assets, Current 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), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of 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), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, 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 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 Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Increase (Decrease) in Provision for Restructuring (Deprecated 2011-01-31) View
Other Inventory, Supplies, Gross View
Other Liabilities, Noncurrent View
Other Noncash Expense View
Other Operating Income View
Other Payments to Acquire Businesses View
Liability, Other Postretirement Defined Benefit Plan, Noncurrent View
Payments for (Proceeds from) Other Investing Activities View
Payments of Financing Costs View
Payments of Stock Issuance Costs View
Payments to Acquire Equipment on Lease View
Payments to Acquire Intangible Assets View
Payments to Acquire Interest in Joint Venture View
Payments to Acquire Mineral Rights View
Payments to Acquire Property, Plant, and Equipment View
Payments to Acquire Royalty Interests in Mining Properties View
Liability, Defined Benefit Plan, Current View
Liability, Defined Benefit Plan, Noncurrent View
Preferred Stock, Par or Stated Value Per Share View
Preferred Stock, Value, Issued View
Prepaid Expense and Other Assets, Current View
Proceeds from Collection of Notes Receivable View
Proceeds from Convertible Debt View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Long-term Debt and Capital Securities, Net View
Proceeds from Issuance of Senior Long-term Debt View
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised View
Proceeds from Other Debt View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Short-term Debt View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Short-term Debt View
Property, Plant and Equipment, Net View
Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31) View
Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31) View
Receivables, Net, Current View
Related Party Transaction, Due from (to) Related Party View
Related Party Transaction, Revenues from Transactions with Related Party (Deprecated 2012-01-31) View
Reorganization Items View
Repayments of Assumed Debt View
Repayments of Lines of Credit View
Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security View
Restatement of Prior Year Income, Net of Tax (Deprecated 2020-01-31) View
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent View
Restructuring Charges View
Restructuring Costs and Asset Impairment Charges View
Restructuring Reserve View
Restructuring Reserve, Current View
Restructuring Reserve, Noncurrent View
Restructuring, Settlement and Impairment Provisions View
Retained Earnings (Accumulated Deficit) View
Revenue from Related Parties View
Revenues View
Royalty Expense View
Royalty Revenue from Coal (Deprecated 2018-01-31) View
Revenue, Net (Deprecated 2018-01-31) View
Secured Debt View
Selling, General and Administrative Expense View
Senior Notes View
Severance Costs (Deprecated 2013-01-31) View
Share-based Payment Arrangement, Noncash Expense View
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) 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, Forfeitures in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value View
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture View
Stockholders' Equity Attributable to Parent View
Stock Issued During Period, Shares, Acquisitions View
Stock Issued During Period, Shares, Employee Stock Purchase Plans View
Stock Issued During Period, Shares, New Issues View
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period View
Stock Issued During Period, Value, Acquisitions View
Stock Issued During Period, Value, Employee Stock Purchase Plan View
Stock Issued During Period, Value, New Issues View
Subsequent Event, Amount, Higher Range (Deprecated 2013-01-31) View
Subsequent Event, Amount, Lower Range (Deprecated 2013-01-31) View
Unamortized Debt Issuance Expense View
Unrecognized Tax Benefits View
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions View
Valuation Allowance, Amount (Deprecated 2013-01-31) View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount View
Weighted Average Number Diluted Shares Outstanding Adjustment View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic and Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Workers' Compensation Liability, Current View
Workers' Compensation Liability View
Workers' Compensation Liability, Noncurrent View
Write off of Deferred Debt Issuance Cost View