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Company Name: DELTA AIR LINES, INC.
CIK: 27904
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-08-02
Last Filing Date: 2025-04-09
SEC Filings
Start End Frame Filed ACCN Value View
2017-01-01 2017-03-31 CY2016Q1 2017-04-12 0000027904-17-000008 $ 728,000,000 View
2021-01-01 2021-03-31 CY2020Q1 2021-04-15 0000027904-21-000006 $ 636,000,000 View
2021-04-01 2021-06-30 CY2020Q2 2021-07-14 0000027904-21-000009 $ 637,000,000 View
2016-07-01 2016-09-30 CY2015Q3 2016-10-13 0000027904-16-000029 $ 740,000,000 View
2010-04-01 2010-06-30 CY2010Q2I 2010-08-02 0000950123-10-070614 $ 198,000,000 View
2010-07-01 2010-09-30 CY2010Q3I 2010-10-25 0000950123-10-095598 $ 198,000,000 View
2011-01-01 2011-03-31 CY2011Q1I 2011-05-05 0001445305-11-000797 $ 214,000,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-07-27 0001445305-11-002190 $ 838,000,000 View
2012-01-01 2012-03-31 CY2011Q1 2012-04-25 0001445305-12-001171 $ 843,000,000 View
2016-01-01 2016-03-31 CY2015Q1 2016-04-14 0000027904-16-000022 $ 774,000,000 View
2020-01-01 2020-03-31 CY2019Q1 2020-04-22 0000027904-20-000007 $ 637,000,000 View
2010-01-01 2010-12-31 CY2010 2011-03-04 0000950123-11-022002 $ 304,000,000 View
2024-07-01 2024-09-30 CY2024Q3 2024-10-10 0000027904-24-000012 $ -173,000,000 View
2011-01-01 2011-12-31 CY2009 2012-02-10 0001445305-12-000272 $ 838,000,000 View
2015-01-01 2015-12-31 CY2013 2016-02-05 0000027904-16-000018 $ 797,000,000 View
2016-01-01 2016-12-31 CY2014 2017-02-13 0000027904-17-000004 $ 751,000,000 View
2017-01-01 2017-12-31 CY2015 2018-02-23 0000027904-18-000006 $ 720,000,000 View
2018-01-01 2018-12-31 CY2016 2019-02-15 0000027904-19-000003 $ 691,000,000 View
2019-01-01 2019-03-31 CY2018Q1 2019-04-10 0000027904-19-000005 $ 665,000,000 View
2017-04-01 2017-06-30 CY2016Q2 2017-07-13 0000027904-17-000013 $ 728,000,000 View
2022-01-01 2022-06-30 CY2022Q2I 2022-07-13 0000027904-22-000010 $ 313,000,000 View
2022-01-01 2022-09-30 CY2022Q3I 2022-10-13 0000027904-22-000013 $ 313,000,000 View
2017-07-01 2017-09-30 CY2016Q3 2017-10-11 0000027904-17-000017 $ 716,000,000 View
2018-01-01 2018-03-31 CY2017Q1 2018-04-12 0000027904-18-000013 $ 704,000,000 View
2018-04-01 2018-06-30 CY2017Q2 2018-07-12 0000027904-18-000016 $ 695,000,000 View
2018-07-01 2018-09-30 CY2017Q3 2018-10-11 0000027904-18-000020 $ 686,000,000 View
2020-04-01 2020-06-30 CY2019Q2 2020-07-15 0000027904-20-000010 $ 635,000,000 View
2020-07-01 2020-09-30 CY2019Q3 2020-10-14 0000027904-20-000013 $ 635,000,000 View
2023-01-01 2023-03-31 CY2023Q1I 2023-04-13 0000027904-23-000006 $ 337,000,000 View
2024-01-01 2024-03-31 CY2024Q1I 2024-04-10 0000027904-24-000006 $ 366,000,000 View
2022-01-01 2022-12-31 CY2022Q4I 2023-02-10 0000027904-23-000003 $ 700,000,000 View
2023-01-01 2023-06-30 CY2023Q2I 2023-07-13 0000027904-23-000009 $ 585,000,000 View
2023-01-01 2023-09-30 CY2023Q3I 2023-10-12 0000027904-23-000013 $ 585,000,000 View
2023-01-01 2023-12-31 CY2023Q4I 2024-02-12 0000027904-24-000003 $ 8,400,000,000 View
2024-04-01 2024-06-30 CY2024Q2 2024-07-11 0000027904-24-000009 $ -188,000,000 View
2024-01-01 2024-12-31 CY2024 2025-02-11 0000027904-25-000004 $ 0 View
2011-07-01 2011-09-30 CY2010Q3 2011-10-25 0001445305-11-003058 $ 838,000,000 View
2012-04-01 2012-06-30 CY2011Q2 2012-07-25 0001445305-12-002271 $ 845,000,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-10-26 0001445305-12-003245 $ 846,000,000 View
2012-01-01 2012-12-31 CY2010 2013-02-13 0001445305-13-000209 $ 845,000,000 View
2013-01-01 2013-03-31 CY2012Q1 2013-04-24 0001445305-13-000892 $ 848,000,000 View
2013-04-01 2013-06-30 CY2012Q2 2013-08-01 0000027904-13-000005 $ 850,000,000 View
2013-07-01 2013-09-30 CY2012Q3 2013-10-23 0000027904-13-000008 $ 851,000,000 View
2013-01-01 2013-12-31 CY2011 2014-02-24 0000027904-14-000003 $ 849,000,000 View
2014-01-01 2014-03-31 CY2013Q1 2014-04-24 0000027904-14-000006 $ 844,000,000 View
2014-04-01 2014-06-30 CY2013Q2 2014-07-24 0000027904-14-000011 $ 841,000,000 View
2014-07-01 2014-09-30 CY2013Q3 2014-10-24 0000027904-14-000014 $ 834,000,000 View
2014-01-01 2014-12-31 CY2012 2015-02-11 0000027904-15-000003 $ 836,000,000 View
2015-01-01 2015-03-31 CY2014Q1 2015-04-15 0000027904-15-000006 $ 818,000,000 View
2015-04-01 2015-06-30 CY2014Q2 2015-07-15 0000027904-15-000010 $ 803,000,000 View
2015-07-01 2015-09-30 CY2014Q3 2015-10-14 0000027904-15-000013 $ 788,000,000 View
2016-04-01 2016-06-30 CY2015Q2 2016-07-15 0000027904-16-000026 $ 758,000,000 View
2019-04-01 2019-06-30 CY2018Q2 2019-07-11 0000027904-19-000008 $ 650,000,000 View
2019-07-01 2019-09-30 CY2018Q3 2019-10-10 0000027904-19-000012 $ 646,000,000 View
2019-01-01 2019-12-31 CY2017 2020-02-13 0000027904-20-000004 $ 651,000,000 View
2020-01-01 2020-12-31 CY2018 2021-02-12 0000027904-21-000003 $ 636,000,000 View
2021-07-01 2021-09-30 CY2020Q3 2021-10-13 0000027904-21-000012 $ 637,000,000 View
2021-01-01 2021-12-31 CY2019 2022-02-11 0000027904-22-000003 $ 0 View
2022-01-01 2022-03-31 CY2022Q1I 2022-04-13 0000027904-22-000006 $ 7,644,000,000 View
2025-01-01 2025-03-31 CY2025Q1 2025-04-09 0000027904-25-000007 $ 0 View
SEC Facts By Type
Type Name Description View
dei Entity Common Stock, Shares Outstanding Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. View
us-gaap Airline Related Inventory, Valuation Reserves The amount of the valuation account as of the balance sheet date which reduces the carrying amount of airline related inventory (including expendable merchandise, goods, commodities, or supplies to be used primarily in air transport of passengers or freight) to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. View
us-gaap Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Business Acquisition, Pro Forma Net Income (Loss) (Deprecated 2011-01-31) The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Capital Lease Obligations, Current Amount of capital lease obligation due within one year or the normal operating cycle, if longer. View
us-gaap Lease Obligation Incurred Amount of increase in lease obligation from new lease. 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 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 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 Deferred Compensation Cash-based Arrangements, Liability, Current Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. View
us-gaap Deferred Credits and Other Liabilities Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities). View
us-gaap Deferred Federal Income Tax Expense (Benefit) Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Other Tax Expense (Benefit) Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods. View
us-gaap Deferred Tax Assets, 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 Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Defined Benefit Plan, 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, 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 Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year (Deprecated 2013-01-31) The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. View
us-gaap Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (Deprecated 2017-01-31) Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. View
us-gaap Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. View
us-gaap Defined Benefit Plan, Other Plan Assets (Deprecated 2012-01-31) The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Allocation Percentage of Assets, Other (Deprecated 2012-01-31) Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position. View
us-gaap Defined Benefit Plan, Target Plan Asset Allocations (Deprecated 2017-01-31) Target allocation of investments of this type to total plan assets presented on a weighted average basis. View
us-gaap Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) The ultimate trend rate for health care costs. View
us-gaap Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Ultimate trend rate for health care cost for defined benefit postretirement plan. View
us-gaap Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. View
us-gaap Depreciation, Depletion and Amortization, Nonproduction The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. 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 Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. 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 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Fair Value of Assets Acquired The fair value of assets acquired in noncash investing or financing activities. View
us-gaap Finance Lease, Interest Expense Amount of interest expense on finance lease liability. View
us-gaap Finance Lease, Interest Payment on Liability Amount of interest paid on finance lease liability. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year One Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. View
us-gaap Foreign Currency Derivatives at Fair Value, Net (Deprecated 2014-01-31) Fair value as of the balance sheet date of foreign currency derivative assets, net of foreign currency derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. View
us-gaap Foreign Currency Exchange Rate, Translation Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. View
us-gaap Foreign Currency Transaction Gain (Loss), Realized Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. View
us-gaap Goodwill Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Increase (Decrease) in Deferred Air Traffic Revenue The increase (decrease) during the reporting period in the amount of unearned revenue related to tickets sold but not yet recognized as revenue and the estimated incremental cost for points or miles outstanding and awards that expect to be redeemed through customer loyalty programs. View
us-gaap Increase (Decrease) in Deferred Revenue Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. View
us-gaap Increase (Decrease) in Frequent Flyer Liability The increase (decrease) during the reporting period in the amount of unearned revenue related to the estimated incremental cost for points or miles outstanding and awards that expect to be redeemed through customer loyalty programs. View
us-gaap Increase (Decrease) in Restricted Cash for Operating Activities The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as operating activities. This may include cash restricted for regulatory purposes. View
us-gaap Interest Paid, Excluding Capitalized Interest, Operating Activities Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. View
us-gaap Interest Rate Derivatives, at Fair Value, Net Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. View
us-gaap Operating Leases, Rent Expense Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. View
us-gaap Long-term Debt, Fair Value The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. View
us-gaap Long-Term Debt, 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 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 Noncash or Part Noncash Acquisition, Value of Assets Acquired "The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Nonoperating Income (Expense) The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). View
us-gaap Operating Lease, Cost Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. View
us-gaap Operating Leases, Future Minimum Payments, Due in Three Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Two Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due Thereafter Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Rent Expense, Net Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. View
us-gaap Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for operating lease calculated at point in time. View
us-gaap Operating Loss Carryforwards Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. View
us-gaap Other Accrued Liabilities, Current Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive (income) loss for defined benefit plan, attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax (Deprecated 2012-01-31) Pretax change in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan, that has not been recognized in net periodic benefit cost. View
us-gaap Other Comprehensive Income (Loss), 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, before Tax, Portion Attributable to Parent Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) Tax effect of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost. View
us-gaap Other Operating Activities, Cash Flow Statement Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). View
us-gaap Payments to Acquire Short-term Investments The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Proceeds from Sale, Maturity and Collection of Short-term Investments The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Proceeds from Sale of Short-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Restricted Cash and Cash Equivalents, Noncurrent Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restricted Cash and Investments, Current The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal. View
us-gaap Restricted Cash, Current Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. View
us-gaap Revenue from Contract with Customer, Excluding Assessed Tax Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Deprecated 2011-01-31) The decrease in the number of reserved shares that could potentially be issued attributable to the exercise or conversion during the reporting period of previously issued stock options under the option plan. 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 and Expirations in Period For presentations that combine terminations, 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 or that expired. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Weighted average price of options that were either forfeited or expired. 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 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 Unrealized Loss on Price Risk Cash Flow Derivatives, before Tax Amount of unrealized loss related to the decrease in fair value of price risk derivatives designated as cash flow hedging instruments recorded in accumulated other comprehensive income in the period, before taxes, to the extent that the cash flow hedge is determined to be effective. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap 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 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 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 Other Nonoperating Expense Amount of expense related to nonoperating activities, classified as other. View
us-gaap Stock Issued During Period, Value, Conversion of Convertible Securities The gross value of stock issued during the period upon the conversion of convertible securities. View
us-gaap Airline Related Inventory, Aircraft Fuel, Gross Gross amount, as of the balance sheet date, of fuel used in air transportation. View
us-gaap Airline Related Inventory, Net Net carrying amount, as of the balance sheet date, of expendable merchandise, goods, commodities, or supplies to be used primarily in air transport of passengers and freight. View
us-gaap Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Tax Liabilities, Gross Amount of deferred tax liability attributable to taxable temporary differences. View
us-gaap Deferred Income Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. View
us-gaap Finite-Lived Intangible Assets, Amortization Expense (Deprecated 2012-01-31) Aggregate amount of intangible asset amortization recognized as expense during the period. View
us-gaap Gain (Loss) on Extinguishment of Debt Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. View
us-gaap 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 Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. 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
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 Accrued Liabilities and Other Liabilities Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. View
us-gaap Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. View
us-gaap AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). 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 Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. View
us-gaap Additional Paid in Capital, Common Stock Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. View
us-gaap Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31) Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. View
us-gaap Adjustments to Additional Paid in Capital, Warrant Issued Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. View
us-gaap Advertising Expense Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. View
us-gaap Aircraft Maintenance, Materials, and Repairs Maintenance costs incurred and directly related to services rendered by an entity during the reporting period. Includes the cost of inspections and repairs, materials and routine maintenance costs for all aircraft and engines. View
us-gaap Aircraft Rental Expenses incurred related to the lease of aircraft from outside third parties that are used in the entity's business operations. View
us-gaap Airline, Capacity Purchase Arrangements Costs incurred related to air services provided by third-party transportation companies, including regional affiliates. View
us-gaap Airline Related Inventory, Gross Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies to be used in air transport of passengers and freight. View
us-gaap Air Traffic Liability, Current The value of air transportation services sold but as yet unused by the passenger, including sales for air transportation to be provided by the reporting air carrier and air transportation to be provided by another air carrier for whom sales were made. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer). View
us-gaap Share-based Payment Arrangement, Expense Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. View
us-gaap Accounts Receivable, Allowance for Credit Loss, Current Amount of allowance for credit loss on accounts receivable, classified as current. View
us-gaap 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 Intangible Assets The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. View
us-gaap Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. View
us-gaap AOCI Tax, Attributable to Parent Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent. 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, Reporting Currency Denominated, Value The reporting currency-denominated asset value. View
us-gaap Assets Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Current Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Noncurrent Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. View
us-gaap Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. View
us-gaap Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. View
us-gaap Debt Securities, Available-for-sale Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). View
us-gaap Debt Securities, Available-for-sale, Noncurrent Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent. View
us-gaap Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable (Deprecated 2013-01-31) The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination. View
us-gaap Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31) The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. View
us-gaap Business Acquisition, Transaction Costs Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. View
us-gaap Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (Deprecated 2011-01-31) Number of shares of equity interests issued or issuable to acquire entity. View
us-gaap Business Acquisition, Pro Forma Revenue (Deprecated 2011-01-31) The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. View
us-gaap Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents (Deprecated 2013-01-31) The amount of cash and cash equivalents acquired in a business combination. View
us-gaap Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets (Deprecated 2013-01-31) The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used. View
us-gaap Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31) Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. View
us-gaap Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets (Deprecated 2013-01-31) Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed. View
us-gaap Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities (Deprecated 2013-01-31) Amount of acquisition cost of a business combination allocated to other noncurrent liabilities not separately disclosed. View
us-gaap Business Acquisition, Purchase Price Allocation, Projected Benefit Obligation (Asset) (Deprecated 2013-01-31) The amount of acquisition cost of a business combination allocated to a liability for the projected benefit obligation in excess of plan assets or an asset for plan assets in excess of the projected benefit obligation of a single-employer defined benefit pension plan. View
us-gaap Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment (Deprecated 2013-01-31) The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations. View
us-gaap Business Combination, Consideration Transferred Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment The amount of property, plant, and equipment recognized as of the acquisition date. View
us-gaap Business Combination, Separately Recognized Transactions, Assets Recognized The assets recognized for each amount of assets recorded in a transaction with the acquiree that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. View
us-gaap Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred. View
us-gaap Capitalized Computer Software, Amortization (Deprecated 2016-01-31) For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. View
us-gaap Capitalized Computer Software, Amortization Amount of expense for amortization of capitalized computer software costs. View
us-gaap Capitalized Computer Software, Net The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. View
us-gaap Capital Lease Obligations, Noncurrent 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 and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. 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 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 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, Interest Included in Payments Amount necessary to reduce net minimum lease payments to present value for capital leases. 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 Cargo and Freight Revenue (Deprecated 2018-01-31) Revenue from transporting cargo and freight between locations. 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, Fair Value Disclosure Fair value portion 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. View
us-gaap Cash and Cash Equivalents, Period Increase (Decrease) Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. View
us-gaap Commitments and Contingencies Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. View
us-gaap Common Stock, Capital Shares Reserved for Future Issuance Aggregate number of common shares reserved for future issuance. View
us-gaap Common Stock, Dividends, Per Share, Declared Aggregate dividends declared during the period for each share of common stock outstanding. View
us-gaap Common Stock, Par or Stated Value Per Share Face amount or stated value per share of common stock. View
us-gaap Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws. View
us-gaap Common Stock, Shares, Issued Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. View
us-gaap Deferred Income Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. 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 Construction in Progress, Gross Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. View
us-gaap Construction Payable Carrying value as of the balance sheet date of obligations incurred and payable for the acquisition of merchandise, materials, supplies and services pertaining to construction projects such as a housing development or factory expansion not classified as trade payables. View
us-gaap Contractual Obligation Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. View
us-gaap Contract with Customer, Liability, Revenue Recognized Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. View
us-gaap Cost of Services, Catering Cost of food and beverage catering for passengers. View
us-gaap Costs and Expenses Total costs of sales and operating expenses for the period. View
us-gaap Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31) Amount of the cumulative effect on retained earnings net of related income tax effect. View
us-gaap Current Federal Tax Expense (Benefit) Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Foreign Tax Expense (Benefit) Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Income Tax Expense (Benefit) Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. View
us-gaap Current State and Local Tax Expense (Benefit) Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Customer Refundable Fees, Refund Payments (Deprecated 2016-01-31) Amount of refund payments made to customers during the period. View
us-gaap Long-term Debt, Gross Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. View
us-gaap Debt Instrument, Decrease, Forgiveness Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. View
us-gaap Debt Instrument, Face Amount Face (par) amount of debt instrument at time of issuance. 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, Interest Rate, Stated Percentage Contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Debt Instrument, Repurchase Amount Fair value amount of debt instrument that was repurchased. View
us-gaap Debt Instrument, Repurchased Face Amount Face (par) amount of the original debt instrument that was repurchased. View
us-gaap Debt Instrument, Unamortized Discount Amount, after accumulated amortization, of debt discount. View
us-gaap Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Amount of unamortized debt discount (premium) and debt issuance costs. View
us-gaap Debt Instrument, Unamortized Discount (Premium), Net Amount, after accumulated amortization, of debt discount (premium). View
us-gaap Debt, Long-term and Short-term, Combined Amount Represents the aggregate of total long-term debt, including current maturities and short-term debt. View
us-gaap Deconsolidation, Gain (Loss), Amount Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer. View
us-gaap Deferred Revenue, Additions Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. View
us-gaap Deferred State and Local Income Tax Expense (Benefit) Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Tax Assets, Capital Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. View
us-gaap Deferred Tax Assets, Deferred Income Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. View
us-gaap Deferred Tax Assets, Hedging Transactions Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from hedging transactions. View
us-gaap Deferred Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. View
us-gaap Deferred Tax Assets, Net, Noncurrent Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance, Current Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. View
us-gaap Deferred Tax Assets, 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, State Taxes Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred rent. View
us-gaap Deferred Tax Assets, Valuation Allowance Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. View
us-gaap Deferred Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. View
us-gaap Deferred Tax Liabilities, Derivatives Amount of deferred tax liability attributable to taxable temporary differences from derivatives. View
us-gaap Deferred Tax Liabilities, Financing Arrangements Amount of deferred tax liability attributable to taxable temporary differences from financing arrangements. View
us-gaap Deferred Tax Liabilities, Intangible Assets Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. 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 Deferred Tax Liabilities, Undistributed Foreign Earnings Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. 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, 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 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 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, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31) The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. View
us-gaap Defined Benefit Plan, Expected Amortization, Next Fiscal Year Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. View
us-gaap Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. View
us-gaap Defined Benefit Plan, 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, 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 Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. View
us-gaap Share-based Payment Arrangement, Expense, Tax Benefit Amount of tax benefit for recognition of expense of award under share-based payment arrangement. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. View
us-gaap Depreciation, Nonproduction The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives. 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, Cash Received on Hedge The amount of cash received during the period on settlement of a hedge. View
us-gaap Derivative, Collateral, Obligation to Return Cash Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. View
us-gaap Derivative, Collateral, Right to Reclaim Cash Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. View
us-gaap Derivative, Fair Value, Net Fair value of the assets less the liabilities of a derivative or group of derivatives. 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 and Hedges, Assets Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. View
us-gaap Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. View
us-gaap Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. View
us-gaap Derivative Instruments Not Designated as Hedging Instruments, Gain Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments. View
us-gaap Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. View
us-gaap 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 Derivative Liability, Fair Value of Collateral Fair value of securities pledged as collateral against derivative liabilities. View
us-gaap Dividends Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. View
us-gaap Dividends, Cash Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. View
us-gaap Dividend, Share-based Payment Arrangement, Shares Amount of paid and unpaid stock dividends declared for award under share-based payment arrangement. 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 Effective Income Tax Rate Reconciliation, Percent Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Percentage of domestic federal statutory tax rate applicable to pretax income (loss). View
us-gaap Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Percentage 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 changes in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Percentage 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 impairment loss. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Percentage 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, Percent Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Percentage 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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act. 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 Equity Securities, FV-NI Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). View
us-gaap Equity Securities, FV-NI, Gain (Loss) Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). View
us-gaap Extinguishment of Debt, Amount Gross amount of debt extinguished. View
us-gaap Fair Value, Assets Measured on Recurring Basis, Cash and Cash Equivalents (Deprecated 2011-01-31) This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis. View
us-gaap Obligations, Fair Value Disclosure Fair value of obligations measured on a recurring basis. View
us-gaap Finance Lease, Liability Present value of lessee's discounted obligation for lease payments from finance lease. View
us-gaap Finance Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. View
us-gaap Finance Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. View
us-gaap Finance Lease, Liability, Payment, Due Amount of lessee's undiscounted obligation for lease payments for finance lease. View
us-gaap Finance Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. View
us-gaap Finance Lease, Principal Payments Amount of cash outflow for principal payment on finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, after Accumulated Amortization Amount, after accumulated amortization, of right-of-use asset from finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, Amortization Amount of amortization expense attributable to right-of-use asset from finance lease. View
us-gaap Finance Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for finance lease calculated at point in time. View
us-gaap Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, Year Five Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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 Finite-Lived Intangible Asset, Expected Amortization, Year Four Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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 Finite-Lived Intangible Asset, Expected Amortization, Year Three Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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 Finite-Lived Intangible Asset, Expected Amortization, Year Two Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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 Finite-Lived Intangible Assets, Future Amortization Expense (Deprecated 2012-01-31) The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization. View
us-gaap Finite-Lived Intangible Assets, Gross Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Finite-Lived Intangible Assets, Net Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Foreign Currency Cash Flow Hedge Derivative at Fair Value, Net Fair value as of the balance sheet date of all foreign currency derivatives designated as cash flow hedging instruments. View
us-gaap Foreign Earnings Repatriated Amount of foreign earnings repatriated from subsidiaries outside the country of domicile. View
us-gaap Frequent Flier Liability, Current Value of revenue deferred or cost to provide future products or services, primarily air transportation, associated with programs used by airlines to encourage passenger loyalty by providing rewards geared to the frequency of travel on the sponsoring airline, typically in the form of frequent flyer miles, points, or segments that can be accumulated and converted into free or discounted travel or other redemption options. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer). View
us-gaap Frequent Flier Liability, Noncurrent Value of revenue deferred or cost to provide future products or services, primarily air transportation, associated with programs used by airlines to encourage passenger loyalty by providing rewards geared to the frequency of travel on the sponsoring airline, typically in the form of frequent flyer miles, points, or segments that can be accumulated and converted into free or discounted travel or other redemption options. Used to reflect the noncurrent portion of the liability. View
us-gaap Fuel Costs Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. View
us-gaap Future Amortization Expense, Year Five (Deprecated 2012-01-31) The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years. View
us-gaap Future Amortization Expense, Year Four (Deprecated 2012-01-31) The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years. View
us-gaap Future Amortization Expense, Year One (Deprecated 2012-01-31) The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years. View
us-gaap Future Amortization Expense, Year Three (Deprecated 2012-01-31) The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years. View
us-gaap Future Amortization Expense, Year Two (Deprecated 2012-01-31) The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years. View
us-gaap Gain (Loss) on Investments Amount of realized and unrealized gain (loss) on investment. View
us-gaap Goodwill, Acquired During Period Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. View
us-gaap Goodwill, Allocation Adjustment (Deprecated 2013-01-31) Purchase price allocation adjustment for allocation not yet complete at the prior year end. View
us-gaap Goodwill, Fair Value Disclosure Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Goodwill, Impairment Loss Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. View
us-gaap Grants Receivable Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. View
us-gaap Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk, remaining after discontinued hedge. View
us-gaap Debt Securities, Held-to-maturity, Fair Value Fair value of investment in debt security measured at amortized cost (held-to-maturity). View
us-gaap Impairment of Intangible Assets (Excluding Goodwill) The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. View
us-gaap Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. 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 Tax Expense (Benefit), Intraperiod Tax Allocation Amount of income tax expense (benefit) for continuing operations, discontinued operations, other comprehensive income, and items charged (credited) directly to shareholders' equity. 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 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 Air Traffic Liability (Deprecated 2011-01-31) The net change during the reporting period in the amount of unearned revenue by an airline industry company. This unearned revenue includes tickets sold but not yet recognized as revenue (which occurs when transportation is provided or the ticket expires) and the estimated incremental cost for points or miles outstanding and awards that expect to be redeemed through customer loyalty programs. View
us-gaap Increase (Decrease) in Air Traffic Liability The increase (decrease) during the reporting period in the amount of unearned revenue related to tickets sold but not yet recognized as revenue. View
us-gaap Increase (Decrease) in Inventories The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Margin Deposits Outstanding The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position. View
us-gaap Increase (Decrease) in Other Noncurrent Assets Amount of increase (decrease) in noncurrent assets classified as other. View
us-gaap Increase (Decrease) in Other Noncurrent Liabilities Amount of increase (decrease) in noncurrent operating liabilities 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 Other Operating Liabilities Amount of increase (decrease) in operating liabilities classified as other. View
us-gaap Increase (Decrease) in Prepaid Expense and Other Assets Amount of increase (decrease) in prepaid expenses, and assets classified as other. View
us-gaap Increase (Decrease) in Receivables The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Restricted Cash The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Increase (Decrease) in Restricted Investments for Operating Activities Amount of increase (decrease) in marketable securities and investments pledged or subject to withdrawal restrictions. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. View
us-gaap Indefinite-lived Intangible Assets (Excluding Goodwill) Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. View
us-gaap Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit. View
us-gaap Intangible Assets, Net (Excluding Goodwill) Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest Income (Expense), Net The net amount of operating interest income (expense). 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 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 Investment Income, Interest Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. View
us-gaap Investment Owned, at Cost Cost of the investment. View
us-gaap Labor and Related Expense Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. View
us-gaap Landing Fees and Other Rentals Direct costs incurred at airports in which the entity conducts flight operations. The costs primarily consist of fees paid to the airport authority for takeoff and landing, gate space and facilities, allocations of common space such as security and other terminal costs and fuel storage facilities. View
us-gaap Lease, Cost Amount of lease cost recognized by lessee for lease contract. View
us-gaap Lessee, Operating Lease, Liability, to be Paid Amount of lessee's undiscounted obligation for lease payment for operating lease. View
us-gaap Lessee, Operating Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. View
us-gaap Liabilities and Equity Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. View
us-gaap Liabilities, Current Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. View
us-gaap Liabilities, Noncurrent Amount of obligation due after one year or beyond the normal operating cycle, if longer. View
us-gaap Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) Amount borrowed under the credit facility as of the balance sheet date. View
us-gaap Line of Credit Facility, Current Borrowing Capacity Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. View
us-gaap Line of Credit Facility, 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, Current Maturities Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-Term Debt, 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 One 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 next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Proceeds from Sale of Intangible Assets The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill. 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 Loss Contingency Accrual Amount of loss contingency liability. View
us-gaap Margin Deposit Assets The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. View
us-gaap 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 Noncash or Part Noncash Acquisition, Debt Assumed (Deprecated 2011-01-31) The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. View
us-gaap Noncash or Part Noncash Acquisition, Debt Assumed "The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Number of Operating Segments Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. View
us-gaap Operating Expenses Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Lease, Liability Present value of lessee's discounted obligation for lease payments from operating lease. View
us-gaap Operating Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. View
us-gaap Operating Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. View
us-gaap Operating Lease, Payments Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. View
us-gaap Operating Lease, Right-of-Use Asset Amount of lessee's right to use underlying asset under operating lease. View
us-gaap Operating Leases, Future Minimum Payments Due Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. View
us-gaap Operating Leases, Future Minimum Payments Due, Next Twelve Months Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Five Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Four Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Other Assets Amount of assets classified as other. View
us-gaap Other Assets, Fair Value Disclosure Fair value portion of other assets. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Commitment, to be Paid, Year Four Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Other Commitment, to be Paid, Year One Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Other Commitment, to be Paid, Year Two Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Other Commitment, to be Paid, Year Three Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Other Noncash Income Tax Expense The portion of the noncash component of income tax expense for the period other than the portion from the net change in the entity's deferred tax assets and liabilities. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31) Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. 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 OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. View
us-gaap Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amount after tax, before reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss) before Reclassifications, Tax Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent. 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), Derivatives Qualifying as Hedges, Tax Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss related to net period benefit cost (credit) for pension and other postretirement defined benefit plans. View
us-gaap Other Comprehensive Income (Loss), Tax Amount of tax expense (benefit) allocated to other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31) Pre tax reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost. 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 Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. View
us-gaap Other Cost and Expense, Operating The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Cost of Services (Deprecated 2018-01-31) Other costs incurred and are directly related to services rendered by an entity during the reporting period. View
us-gaap Other Labor-related Expenses Amount of labor-related expenses classified as other. View
us-gaap Other Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other 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 Other Short-term Borrowings Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer. View
us-gaap Other Significant Noncash Transaction, Value of Consideration Given "The value of the noncash (or part noncash) consideration given (for example, liability, equity) in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Other Significant Noncash Transaction, Value of Consideration Received "The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Passenger Revenue (Deprecated 2018-01-31) A transportation (plane, train, ship) carrier's fare revenue recognized in the period from carrying passengers between destinations. View
us-gaap Passenger Revenue, Mainline (Deprecated 2018-01-31) Amount of a transportation carrier's mainline fare revenue recognized in the period from carrying passengers between destinations. View
us-gaap Passenger Revenue, Regional (Deprecated 2018-01-31) Amount of a transportation carrier's regional affiliates' fare revenue recognized in the period from carrying passengers between destinations. View
us-gaap Payments for Derivative Instrument, Financing Activities The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments. View
us-gaap Payments for Flight Equipment The cash outflow for acquisition of long-lived depreciable flight assets, including owned aircraft or capital improvements. View
us-gaap Payments for (Proceeds from) Derivative Instrument, Financing Activities The net cash outflow or inflow from derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments. View
us-gaap Payments for (Proceeds from) Investments The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets. View
us-gaap Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments for (Proceeds from) Previous Acquisition The net cash inflow or outflow associated with the aggregate amount of adjustment to the purchase price of a previous acquisition. View
us-gaap Payments for Repurchase of Common Stock The cash outflow to reacquire common stock during the period. View
us-gaap Payments for Restructuring Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. View
us-gaap Payments of Debt Issuance Costs The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. View
us-gaap Payments of Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. View
us-gaap Payments to Acquire Equity Method Investments The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. 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 Investments The cash outflow associated with the purchase of all investments (debt, security, other) during the period. View
us-gaap Payments to Acquire Long-term Investments The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term. View
us-gaap Payments to Acquire Marketable Securities Amount of cash outflow for purchase of marketable security. View
us-gaap Payments to Acquire Other Investments Amount of cash outflow to acquire investments classified as other. View
us-gaap Payments to Acquire Other Productive Assets Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other. View
us-gaap Payments to Acquire Productive Assets The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. View
us-gaap Payment for Pension and Other Postretirement Benefits Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. View
us-gaap Pension and Other Postretirement Benefits Cost (Reversal of Cost) Amount of cost (reversal of cost) for pension and other postretirement benefits. 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, Shares Authorized The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. View
us-gaap Prepaid Expense and Other Assets, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. View
us-gaap Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. View
us-gaap Price Risk Derivative Assets, at Fair Value Fair value as of the balance sheet date of price risk derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. View
us-gaap Price Risk Derivative Liabilities, at Fair Value Fair value as of the balance sheet date of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. View
us-gaap Price Risk Derivatives, at Fair Value, Net Fair value as of the balance sheet date of price risk derivative assets, net of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. View
us-gaap Proceeds from Derivative Instrument, Financing Activities The cash inflow provided by derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments. View
us-gaap Proceeds from Divestiture of Interest in Consolidated Subsidiaries The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent). View
us-gaap Proceeds from Hedge, Financing Activities The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations. View
us-gaap Proceeds from Issuance of Debt The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. View
us-gaap Proceeds from Issuance of Long-term Debt The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. View
us-gaap Proceeds from Issuance of Secured Debt The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. View
us-gaap Proceeds from Issuance of Unsecured Debt The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt. View
us-gaap Proceeds from Notes Payable The cash inflow from a borrowing supported by a written promise to pay an obligation. View
us-gaap Proceeds from Other Short-term Debt Amount of cash inflow from short-term 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) Lines of Credit The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). 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, Maturity and Collection of Investments The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period. View
us-gaap Proceeds from Sale of Flight Equipment Cash received from sales of long-lived depreciable flight assets, including owned aircraft or capital improvements. View
us-gaap Proceeds from Sale of Treasury Stock The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity. 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 Professional and Contract Services Expense Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. View
us-gaap Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease. View
us-gaap Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. 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 Quarterly Financial Information, Quarterly Charges and Credits, Amount Affecting Comparability Amount of the item included in the interim period that affected period-to-period comparability (excluding restatement adjustments). 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 Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Amount before tax of reclassification adjustments of other comprehensive income (loss). View
us-gaap Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amount after tax of reclassification adjustments of other comprehensive income (loss). View
us-gaap Reclassification from AOCI, Current Period, Tax Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss). View
us-gaap Repayments of Debt and Lease Obligation Amount of cash outflow for short-term and long-term debt and lease obligation. 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 Repayments of Other Short-term Debt Amount of cash outflow for the payment of debt classified as other, maturing within one year or the operating cycle, if longer. View
us-gaap Repayments of Secured Debt The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. View
us-gaap Repayments of Short-term Debt The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. View
us-gaap Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Percentage of fair value of reporting unit in excess of carrying amount. View
us-gaap Restricted Cash Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. View
us-gaap Restricted Cash and Cash Equivalents, Current Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restricted Stock or Unit Expense Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. 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, Accrual Adjustment (Deprecated 2016-01-31) Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments. View
us-gaap Restructuring Reserve, Accrual Adjustment Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. View
us-gaap Restructuring Reserve, Period Expense (Deprecated 2012-01-31) Reserve increase representing the amount charged against earnings in the period for a specified incurred and estimated 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, Settled With Cash (Deprecated 2013-01-31) Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost. 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 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 Revenue from External Customers (Deprecated 2013-01-31) Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. View
us-gaap Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31) Amount of revenue from transactions with other operating segments of the same entity. View
us-gaap Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Amount of increase in right-of-use asset obtained in exchange for finance lease liability. View
us-gaap Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Amount of increase in right-of-use asset obtained in exchange for operating lease liability. View
us-gaap Sales Revenue, Services, Net (Deprecated 2018-01-31) Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and 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 Secured Long-term Debt, Noncurrent Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. View
us-gaap Selling and Marketing Expense The aggregate total amount of expenses directly related to the marketing or selling of products or services. View
us-gaap Share-based Payment Arrangement, Noncash Expense Amount of noncash expense for share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation 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 Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. 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, Options, Exercisable, Intrinsic Value (Deprecated 2011-01-31) The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of options outstanding and currently exercisable under the option plan as of the balance sheet date. 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 Short-term Investments Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. View
us-gaap Short-term Lease, Cost Amount of short-term lease cost, excluding expense for lease with term of one month or less. View
us-gaap Short-term Non-bank Loans and Notes Payable Amount of borrowings from a creditor other than a bank with a maturity within one year or operating cycle, if longer. View
us-gaap Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Stock Options Exercised Value of stock issued as a result of the exercise of stock options. View
us-gaap Stock Issued During Period, Value, Treasury Stock Reissued Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. View
us-gaap Stock or Unit Option Plan Expense Amount of noncash expense for option under share-based payment arrangement. View
us-gaap Stock Repurchased and Retired During Period, Shares Number of shares that have been repurchased and retired during the period. View
us-gaap Stock Repurchased and Retired During Period, Value Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). View
us-gaap Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31) Amount of a stock repurchase plan authorized by an entity's Board of Directors. View
us-gaap Tax Cuts and Jobs Act, Income Tax Expense (Benefit) Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act. View
us-gaap Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) (Deprecated 2020-01-31) Amount of reasonable estimate for income tax expense (benefit) for which accounting for tax effect is incomplete pursuant to Tax Cuts and Jobs Act. View
us-gaap Taxes Payable, Current Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Treasury Stock Acquired, Average Cost Per Share Total cost of shares repurchased divided by the total number of shares repurchased. View
us-gaap Treasury Stock, Shares Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. View
us-gaap Treasury Stock, Value The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. View
us-gaap Undistributed Earnings of Foreign Subsidiaries Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. View
us-gaap Unrealized Gain (Loss) on Investments Amount of unrealized gain (loss) on investment. View
us-gaap Unrecognized Tax Benefits Amount of unrecognized tax benefits. View
us-gaap 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, Decrease Resulting from Settlements with Taxing Authorities Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. View
us-gaap Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. View
us-gaap Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. View
us-gaap Unrecognized Tax Benefits that Would Impact Effective Tax Rate The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unrecorded Unconditional Purchase Obligation Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). View
us-gaap Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Unsecured Debt Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer). View
us-gaap Unsecured Long-term Debt, Noncurrent Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. View
us-gaap 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 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 Variable Lease, Cost Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. View
us-gaap Weighted Average Number 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 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 Write off of Deferred Debt Issuance Cost Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. View
us-gaap Deferred Tax Assets, Investments Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Percentage 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 expenses. View
us-gaap Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. View
us-gaap Proceeds from Sale of Long-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Gross number of share options (or share units) granted during the period. 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, Exercises in Period Number of share options (or share units) exercised during the current period. View
us-gaap Consideration Received for Beneficial Interest Obtained for Transferring Financial Asset Amount of beneficial interest received as consideration for transferring noncash financial asset. Includes, but is not limited to, trade receivable in securitization transaction. View
us-gaap Contract with Customer, Liability Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. View
us-gaap Treasury Stock, Common, Shares Number of previously issued common shares repurchased by the issuing entity and held in treasury. View
us-gaap Treasury Stock, Common, Value Amount allocated to previously issued common shares repurchased by the issuing entity and held in treasury. View
us-gaap Class of Warrant or Right, Outstanding Number of warrants or rights outstanding. View
us-gaap Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets. View
us-gaap Loss Contingency, Range of Possible Loss, Portion Not Accrued The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date. View
us-gaap 2952230 None View
us-gaap Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets. View
us-gaap Interest Income (Expense), Nonoperating, Net The net amount of nonoperating interest income (expense). View
Chart of Accounts => Accounts
Name View
Business Combination, Consideration Transferred View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment View
Deferred Credits and Other Liabilities View
Deferred Federal Income Tax Expense (Benefit) View
Deferred Tax Liabilities, Gross View
Deferred Income Tax Liabilities, Net View
Deferred Tax Assets, Hedging Transactions View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Current View
Defined Benefit Plan, Amortization of Net Gains (Losses) (Deprecated 2013-01-31) View
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year (Deprecated 2013-01-31) View
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets View
Derivative, Cash Received on Hedge View
Derivative, Collateral, Obligation to Return Cash View
Fair Value, Assets Measured on Recurring Basis, Cash and Cash Equivalents (Deprecated 2011-01-31) View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value View
Fair Value of Assets Acquired View
Finance Lease, Interest Expense View
Finance Lease, Interest Payment on Liability View
Finance Lease, Weighted Average Discount Rate, Percent View
Foreign Currency Cash Flow Hedge Derivative at Fair Value, Net View
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months View
Foreign Currency Derivatives at Fair Value, Net (Deprecated 2014-01-31) View
Foreign Currency Exchange Rate, Translation View
Increase (Decrease) in Frequent Flyer Liability View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Interest Rate Derivatives, at Fair Value, Net View
Nonoperating Income (Expense) View
Operating Leases, Future Minimum Payments, Due Thereafter View
Operating Lease, Weighted Average Discount Rate, Percent View
Operating Loss Carryforwards View
Other Accrued Liabilities, Current View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax (Deprecated 2012-01-31) 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 Nonoperating Income (Expense) View
Other Operating Activities, Cash Flow Statement View
Payments for Repurchase of Common Stock View
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax View
Restricted Cash and Cash Equivalents, Noncurrent View
Restricted Cash and Investments, Current 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, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price View
Unrealized Loss on Price Risk Cash Flow Derivatives, before Tax View
Unrecognized Tax Benefits View
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate View
Other Nonoperating Expense View
Stock Issued During Period, Value, Conversion of Convertible Securities View
Accounts Payable, Current View
Accrued Liabilities and Other Liabilities View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax 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
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31) View
Adjustments to Additional Paid in Capital, Warrant Issued View
Advertising Expense View
Aircraft Maintenance, Materials, and Repairs View
Aircraft Rental View
Airline, Capacity Purchase Arrangements View
Airline Related Inventory, Gross View
Airline Related Inventory, Aircraft Fuel, Gross View
Airline Related Inventory, Net View
Airline Related Inventory, Valuation Reserves View
Air Traffic Liability, Current View
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss, Current View
Amortization of Debt Discount (Premium) View
Amortization of Intangible Assets View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
AOCI Tax, Attributable to Parent View
Asset Impairment Charges View
Asset, Reporting Currency Denominated, Value View
Assets View
Assets, Current View
Assets, Noncurrent View
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax View
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value View
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One View
Debt Securities, Available-for-sale View
Debt Securities, Available-for-sale, Noncurrent View
Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable (Deprecated 2013-01-31) View
Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31) View
Business Acquisition, Transaction Costs View
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (Deprecated 2011-01-31) View
Business Acquisition, Pro Forma Net Income (Loss) (Deprecated 2011-01-31) View
Business Acquisition, Pro Forma Revenue (Deprecated 2011-01-31) View
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Projected Benefit Obligation (Asset) (Deprecated 2013-01-31) View
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment (Deprecated 2013-01-31) View
Business Combination, Separately Recognized Transactions, Assets Recognized View
Capital Expenditures Incurred but Not yet Paid View
Capitalized Computer Software, Amortization (Deprecated 2016-01-31) View
Capitalized Computer Software, Amortization View
Capitalized Computer Software, Net View
Capital Lease Obligations, Current View
Lease Obligation Incurred View
Capital Lease Obligations, Noncurrent 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
Cargo and Freight Revenue (Deprecated 2018-01-31) View
Cash Acquired from Acquisition View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Fair Value Disclosure View
Cash and Cash Equivalents, Period Increase (Decrease) View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect View
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months View
Commitments and Contingencies View
Common Stock, Capital Shares Reserved for Future Issuance View
Common Stock, Dividends, Per Share, Declared View
Common Stock, Par or Stated Value Per Share View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Value, Issued View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Construction in Progress, Gross View
Construction Payable View
Contractual Obligation View
Contract with Customer, Liability, Revenue Recognized View
Cost of Services, Catering View
Costs and Expenses View
Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31) View
Current Federal Tax Expense (Benefit) View
Current Foreign Tax Expense (Benefit) View
Current Income Tax Expense (Benefit) View
Current State and Local Tax Expense (Benefit) View
Customer Refundable Fees, Refund Payments (Deprecated 2016-01-31) View
Long-term Debt, Gross View
Debt Instrument, Decrease, Forgiveness View
Debt Instrument, Face Amount View
Debt Instrument, Fair Value Disclosure View
Debt Instrument, Interest Rate, Stated Percentage View
Debt Instrument, Repurchase Amount View
Debt Instrument, Repurchased Face Amount View
Debt Instrument, Unamortized Discount View
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net View
Debt Instrument, Unamortized Discount (Premium), Net View
Debt, Long-term and Short-term, Combined Amount View
Deconsolidation, Gain (Loss), Amount View
Deferred Compensation Cash-based Arrangements, Liability, Current View
Deferred Gain on Sale of Property View
Deferred Income Tax Assets, Net View
Deferred Income Tax Expense (Benefit) View
Deferred Other Tax Expense (Benefit) View
Deferred Revenue, Additions View
Deferred State and Local Income Tax Expense (Benefit) View
Deferred Tax Assets, Capital Loss Carryforwards View
Deferred Tax Assets, Deferred Income View
Deferred Tax Assets, Net, Noncurrent View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Net of Valuation Allowance, Current View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Other View
Deferred Tax Assets, State Taxes View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Derivatives View
Deferred Tax Liabilities, Financing Arrangements View
Deferred Tax Liabilities, Intangible Assets View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Other View
Deferred Tax Liabilities, Property, Plant and Equipment View
Deferred Tax Liabilities, Undistributed Foreign Earnings View
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax View
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) View
Defined Benefit Plan, Plan Assets, Contributions by Employer View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31) 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 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, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31) View
Defined Benefit Plan, Expected Amortization, Next Fiscal Year View
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year 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, Health Care Cost Trend Rate Assumed, Next Fiscal Year View
Defined Benefit Plan, Other Plan Assets (Deprecated 2012-01-31) View
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Target Allocation Percentage of Assets, Other (Deprecated 2012-01-31) View
Defined Benefit Plan, Target Plan Asset Allocations (Deprecated 2017-01-31) View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate View
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage View
Defined Contribution Plan, Cost View
Depreciation, Depletion and Amortization, Nonproduction View
Depreciation, Depletion and Amortization View
Depreciation, Nonproduction View
Derivative Asset, Current View
Derivative, Collateral, Right to Reclaim Cash View
Derivative, Fair Value, Net View
Derivative, Gain (Loss) on Derivative, Net View
Derivative Instruments and Hedges, Assets View
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred 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 Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Instruments Not Designated as Hedging Instruments, Gain View
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net View
Derivative Liability, Current View
Derivative Liability, Fair Value of Collateral View
Dividends View
Dividends, Cash View
Dividend, Share-based Payment Arrangement, Shares View
Earnings Per Share, Basic View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent View
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent View
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent View
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent View
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent View
Employee-related Liabilities, Current View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount View
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) View
Share-based Payment Arrangement, Expense, Tax Benefit View
Equity Method Investment, Ownership Percentage View
Equity Method Investments View
Equity Securities, FV-NI View
Equity Securities, FV-NI, Gain (Loss) View
Extinguishment of Debt, Amount View
Obligations, Fair Value Disclosure View
Finance Lease, Liability View
Finance Lease, Liability, Current View
Finance Lease, Liability, Noncurrent View
Finance Lease, Liability, Payment, Due View
Finance Lease, Liability, to be Paid, after Year Five View
Finance Lease, Liability, to be Paid, Year One View
Finance Lease, Liability, to be Paid, Year Five View
Finance Lease, Liability, to be Paid, Year Four View
Finance Lease, Liability, to be Paid, Year Three View
Finance Lease, Liability, to be Paid, Year Two View
Finance Lease, Liability, Undiscounted Excess Amount View
Finance Lease, Principal Payments View
Finance Lease, Right-of-Use Asset, after Accumulated Amortization View
Finance Lease, Right-of-Use Asset, Amortization View
Finite-Lived Intangible Assets, Accumulated Amortization View
Finite-Lived Intangible Assets, Amortization Expense (Deprecated 2012-01-31) View
Finite-Lived Intangible Asset, Expected Amortization, Year One View
Finite-Lived Intangible Asset, Expected Amortization, Year Five View
Finite-Lived Intangible Asset, Expected Amortization, Year Four View
Finite-Lived Intangible Asset, Expected Amortization, Year Three View
Finite-Lived Intangible Asset, Expected Amortization, Year Two View
Finite-Lived Intangible Assets, Future Amortization Expense (Deprecated 2012-01-31) View
Finite-Lived Intangible Assets, Gross View
Finite-Lived Intangible Assets, Net View
Foreign Currency Transaction Gain (Loss), Realized View
Foreign Earnings Repatriated View
Frequent Flier Liability, Current View
Frequent Flier Liability, Noncurrent View
Fuel Costs View
Future Amortization Expense, Year Five (Deprecated 2012-01-31) View
Future Amortization Expense, Year Four (Deprecated 2012-01-31) View
Future Amortization Expense, Year One (Deprecated 2012-01-31) View
Future Amortization Expense, Year Three (Deprecated 2012-01-31) View
Future Amortization Expense, Year Two (Deprecated 2012-01-31) View
Gain (Loss) on Investments View
Gain (Loss) on Extinguishment of Debt View
Goodwill View
Goodwill, Acquired During Period View
Goodwill, Allocation Adjustment (Deprecated 2013-01-31) View
Goodwill, Fair Value Disclosure View
Goodwill, Impairment Loss View
Grants Receivable View
Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) View
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One View
Debt Securities, Held-to-maturity, Fair Value View
Impairment of Intangible Assets (Excluding Goodwill) View
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 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 Tax Expense (Benefit), Intraperiod Tax Allocation View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount View
Increase (Decrease) in Accounts Payable and Accrued Liabilities View
Increase (Decrease) in Air Traffic Liability (Deprecated 2011-01-31) View
Increase (Decrease) in Air Traffic Liability View
Increase (Decrease) in Deferred Air Traffic Revenue View
Increase (Decrease) in Deferred Revenue View
Increase (Decrease) in Inventories View
Increase (Decrease) in Margin Deposits Outstanding View
Increase (Decrease) in Other Noncurrent Assets View
Increase (Decrease) in Other Noncurrent Liabilities View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Other Operating Liabilities View
Increase (Decrease) in Prepaid Expense and Other Assets View
Increase (Decrease) in Receivables View
Increase (Decrease) in Restricted Cash View
Increase (Decrease) in Restricted Investments for Operating Activities View
Increase (Decrease) in Restricted Cash for Operating Activities View
Indefinite-lived Intangible Assets (Excluding Goodwill) View
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure View
Intangible Assets, Net (Excluding Goodwill) View
Interest Expense View
Interest Income (Expense), Net View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities View
Inventory, Finished Goods, Gross View
Investment Income, Interest View
Investment Owned, at Cost View
Labor and Related Expense View
Landing Fees and Other Rentals View
Operating Leases, Rent Expense View
Lease, Cost View
Lessee, Operating Lease, Liability, to be Paid View
Lessee, Operating Lease, Liability, to be Paid, after Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year One View
Lessee, Operating Lease, Liability, to be Paid, Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year Four View
Lessee, Operating Lease, Liability, to be Paid, Year Three View
Lessee, Operating Lease, Liability, to be Paid, Year Two View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount View
Liabilities and Equity View
Liabilities, Current View
Liabilities, Noncurrent 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, Current Maturities View
Long-term Debt, Fair Value View
Long-Term Debt, Maturity, after Year Five View
Long-Term Debt, Maturity, Year One 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 Accrual View
Margin Deposit Assets 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
Noncash or Part Noncash Acquisition, Debt Assumed (Deprecated 2011-01-31) View
Noncash or Part Noncash Acquisition, Debt Assumed View
Noncash or Part Noncash Acquisition, Value of Assets Acquired View
Number of Operating Segments View
Operating Expenses View
Operating Income (Loss) View
Operating Lease, Cost View
Operating Lease, Liability View
Operating Lease, Liability, Current View
Operating Lease, Liability, Noncurrent View
Operating Lease, Payments View
Operating Lease, Right-of-Use Asset View
Operating Leases, Future Minimum Payments Due View
Operating Leases, Future Minimum Payments Due, Next Twelve Months View
Operating Leases, Future Minimum Payments, Due in Five Years View
Operating Leases, Future Minimum Payments, Due in Four Years View
Operating Leases, Future Minimum Payments, Due in Three Years View
Operating Leases, Future Minimum Payments, Due in Two Years View
Operating Leases, Rent Expense, Net View
Other Assets View
Other Assets, Fair Value Disclosure View
Other Assets, Noncurrent View
Other Commitment, to be Paid, Year Four View
Other Commitment, to be Paid, Year One View
Other Commitment, to be Paid, Year Two View
Other Commitment, to be Paid, Year Three View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31) View
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax View
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax View
Other Comprehensive Income (Loss) before Reclassifications, Tax View
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Tax View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before 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, before Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax View
Other Cost and Expense, Operating View
Other Cost of Services (Deprecated 2018-01-31) View
Other Labor-related Expenses View
Other Liabilities, Noncurrent View
Other Noncash Expense View
Other Noncash Income Tax Expense View
Other Restructuring Costs View
Other Revenue, Net (Deprecated 2018-01-31) View
Other Short-term Borrowings View
Other Significant Noncash Transaction, Value of Consideration Given View
Other Significant Noncash Transaction, Value of Consideration Received View
Passenger Revenue (Deprecated 2018-01-31) View
Passenger Revenue, Mainline (Deprecated 2018-01-31) View
Passenger Revenue, Regional (Deprecated 2018-01-31) View
Payments for Derivative Instrument, Financing Activities View
Payments for Flight Equipment View
Payments for (Proceeds from) Derivative Instrument, Financing Activities View
Payments for (Proceeds from) Investments View
Payments for (Proceeds from) Other Investing Activities View
Payments for (Proceeds from) Previous Acquisition View
Payments for Restructuring View
Payments of Debt Issuance Costs View
Payments of Dividends View
Payments to Acquire Equity Method Investments View
Payments to Acquire Intangible Assets View
Payments to Acquire Investments View
Payments to Acquire Long-term Investments View
Payments to Acquire Marketable Securities View
Payments to Acquire Other Investments View
Payments to Acquire Other Productive Assets View
Payments to Acquire Productive Assets View
Payments to Acquire Short-term Investments View
Payment for Pension and Other Postretirement Benefits View
Pension and Other Postretirement Benefits Cost (Reversal of Cost) View
Liability, Defined Benefit Plan, Noncurrent View
Preferred Stock, Shares Authorized View
Prepaid Expense and Other Assets, Current View
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months View
Price Risk Derivative Assets, at Fair Value View
Price Risk Derivative Liabilities, at Fair Value View
Price Risk Derivatives, at Fair Value, Net View
Proceeds from Derivative Instrument, Financing Activities View
Proceeds from Divestiture of Interest in Consolidated Subsidiaries View
Proceeds from Hedge, Financing Activities View
Proceeds from Issuance of Debt View
Proceeds from Issuance of Long-term Debt View
Proceeds from Issuance of Secured Debt View
Proceeds from Issuance of Unsecured Debt View
Proceeds from Notes Payable View
Proceeds from Other Short-term Debt View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repayments of) Lines of Credit View
Proceeds from (Repayments of) Short-term Debt View
Proceeds from Sale, Maturity and Collection of Short-term Investments View
Proceeds from Sale, Maturity and Collection of Investments View
Proceeds from Sale of Flight Equipment View
Proceeds from Sale of Intangible Assets View
Proceeds from Sale of Short-term Investments View
Proceeds from Sale of Treasury Stock View
Proceeds from Short-term Debt View
Professional and Contract Services Expense View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization View
Property, Plant and Equipment, Net View
Quarterly Financial Information, Quarterly Charges and Credits, Amount Affecting Comparability View
Receivables, Net, Current View
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax View
Reclassification from AOCI, Current Period, Tax View
Repayments of Debt and Lease Obligation View
Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security View
Repayments of Other Short-term Debt View
Repayments of Secured Debt View
Repayments of Short-term Debt View
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount View
Restricted Cash View
Restricted Cash and Cash Equivalents, Current View
Restricted Cash, Current View
Restricted Stock or Unit Expense View
Restructuring Charges View
Restructuring Costs and Asset Impairment Charges View
Restructuring Reserve View
Restructuring Reserve, Accrual Adjustment (Deprecated 2016-01-31) View
Restructuring Reserve, Accrual Adjustment View
Restructuring Reserve, Period Expense (Deprecated 2012-01-31) View
Restructuring Reserve, Settled With Cash (Deprecated 2013-01-31) View
Restructuring, Settlement and Impairment Provisions View
Retained Earnings (Accumulated Deficit) View
Revenue from Contract with Customer, Excluding Assessed Tax View
Revenues View
Revenue from External Customers (Deprecated 2013-01-31) View
Segment Reporting Information, Intersegment Revenue (Deprecated 2013-01-31) View
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability View
Sales Revenue, Services, Net (Deprecated 2018-01-31) View
Secured Debt View
Secured Long-term Debt, Noncurrent View
Selling and Marketing Expense View
Share-based Payment Arrangement, Noncash Expense View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (Deprecated 2011-01-31) 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 (Deprecated 2011-01-31) View
Class of Warrant or Right, Outstanding View
Short-term Investments View
Short-term Lease, Cost View
Short-term Non-bank Loans and Notes Payable View
Stockholders' Equity Attributable to Parent View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Stock Issued During Period, Value, Stock Options Exercised View
Stock Issued During Period, Value, Treasury Stock Reissued View
Stock or Unit Option Plan Expense View
Stock Repurchased and Retired During Period, Shares View
Stock Repurchased and Retired During Period, Value View
Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31) View
Tax Cuts and Jobs Act, Income Tax Expense (Benefit) View
Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) (Deprecated 2020-01-31) View
Taxes Payable, Current View
Treasury Stock Acquired, Average Cost Per Share View
Treasury Stock, Shares View
Treasury Stock, Value View
Undistributed Earnings of Foreign Subsidiaries View
Unrealized Gain (Loss) on Investments View
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions View
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions View
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three View
Unrecorded Unconditional Purchase Obligation View
Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five View
Unsecured Debt View
Unsecured Long-term Debt, Noncurrent View
Valuation Allowance, Amount (Deprecated 2013-01-31) View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount View
Variable Lease, Cost View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Write off of Deferred Debt Issuance Cost View
Deferred Tax Assets, Investments View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent View
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component View
Proceeds from Sale of Long-term Investments 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, Forfeitures in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 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, Exercises in Period View
Consideration Received for Beneficial Interest Obtained for Transferring Financial Asset View
Contract with Customer, Liability View
Treasury Stock, Common, Shares View
Treasury Stock, Common, Value View
Loss Contingency, Range of Possible Loss, Portion Not Accrued View
2926507 View
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets View
Interest Income (Expense), Nonoperating, Net View