Page: Viewing Company

Home Icon Home SEC Icon SEC
Create Alert

Viewing Company

Edit Company
Company Name: American Airlines Group Inc.
CIK: 6201
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2010-07-21
Last Filing Date: 2025-04-24
SEC Filings
Start End Frame Filed ACCN Value View
2010-04-01 2010-06-30 CY2010Q2I 2010-07-21 0000950123-10-066894 $ 367,000,000 View
2010-07-01 2010-09-30 CY2010Q3I 2010-10-20 0000950123-10-094605 $ 367,000,000 View
2011-01-01 2011-03-31 CY2011Q1I 2011-04-20 0000950123-11-037302 $ 367,000,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-07-20 0001193125-11-192475 $ 335,000,000 View
2011-07-01 2011-09-30 CY2010Q3 2011-10-19 0001193125-11-274936 $ 335,000,000 View
2013-04-01 2013-06-30 CY2013Q2 2013-07-18 0000006201-13-000067 $ 335,000,000 View
2016-01-01 2016-03-31 CY2016Q1I 2016-04-22 0001193125-16-551225 $ 606,245,000 View
2017-01-01 2017-03-31 CY2017Q1 2017-04-27 0001193125-17-140927 $ 503,902,000 View
2021-04-01 2021-06-30 CY2020Q2 2021-07-22 0000006201-21-000080 $ 644,123,000 View
2013-07-01 2013-09-30 CY2013Q3 2013-10-17 0000006201-13-000089 $ 33,000,000 View
2010-01-01 2010-12-31 CY2009Q4I 2011-02-16 0000950123-11-014726 $ 367,000,000 View
2011-01-01 2011-12-31 CY2009 2012-02-15 0001193125-12-063516 $ 335,000,000 View
2012-01-01 2012-03-31 CY2011Q1 2012-04-19 0001193125-12-169778 $ 335,000,000 View
2012-04-01 2012-06-30 CY2011Q2 2012-07-18 0000006201-12-000069 $ 335,000,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-10-17 0000006201-12-000099 $ 335,000,000 View
2012-01-01 2012-12-31 CY2011 2013-02-20 0000006201-13-000023 $ 335,000,000 View
2012-01-01 2012-12-31 CY2010 2013-04-16 0001193125-13-155496 $ 335,000,000 View
2013-01-01 2013-03-31 CY2013Q1 2013-04-18 0000006201-13-000040 $ 335,000,000 View
2014-01-01 2014-03-31 CY2014Q1 2014-04-24 0000006201-14-000011 $ 723,971,000 View
2014-04-01 2014-06-30 CY2014Q2I 2014-07-24 0000006201-14-000014 $ 720,600,000 View
2014-07-01 2014-09-30 CY2014Q3 2014-10-23 0000006201-14-000018 $ 719,067,000 View
2021-01-01 2021-03-31 CY2020Q1 2021-04-22 0000006201-21-000054 $ 634,609,000 View
2021-07-01 2021-09-30 CY2020Q3 2021-10-21 0000006201-21-000098 $ 648,564,000 View
2013-07-01 2013-09-30 CY2013Q3 2014-02-28 0000006201-14-000004 $ 33,000,000 View
2014-10-01 2014-12-31 CY2013Q4 2015-02-25 0001193125-15-061145 $ 706,185,000 View
2015-01-01 2015-03-31 CY2015Q1I 2015-04-24 0001193125-15-145178 $ 696,415,000 View
2015-04-01 2015-06-30 CY2015Q2I 2015-07-24 0001193125-15-261937 $ 688,727,000 View
2015-07-01 2015-09-30 CY2015Q2I 2015-10-23 0001193125-15-351246 $ 661,869,000 View
2015-10-01 2015-12-31 CY2014Q4 2016-02-24 0001193125-16-474605 $ 626,559,000 View
2016-04-01 2016-06-30 CY2016Q2I 2016-07-22 0001193125-16-654354 $ 563,000,000 View
2016-07-01 2016-09-30 CY2016Q3I 2016-10-20 0001193125-16-742263 $ 525,415,000 View
2016-10-01 2016-12-31 CY2015Q4 2017-02-22 0001193125-17-051216 $ 514,571,000 View
2017-04-01 2017-06-30 CY2017Q2 2017-07-28 0001193125-17-239325 $ 490,818,000 View
2017-07-01 2017-09-30 CY2017Q3 2017-10-26 0001628280-17-010177 $ 484,772,000 View
2017-10-01 2017-12-31 CY2016Q4 2018-02-21 0000006201-18-000009 $ 477,165,000 View
2018-01-01 2018-03-31 CY2018Q1 2018-04-26 0000006201-18-000016 $ 472,297,000 View
2018-04-01 2018-06-30 CY2018Q2 2018-07-26 0000006201-18-000027 $ 463,533,000 View
2018-07-01 2018-09-30 CY2018Q3I 2018-10-25 0000006201-18-000039 $ 460,526,000 View
2018-10-01 2018-12-31 CY2017Q4 2019-02-25 0000006201-19-000009 $ 460,589,000 View
2019-01-01 2019-03-31 CY2019Q1I 2019-04-26 0000006201-19-000023 $ 451,951,000 View
2019-04-01 2019-06-30 CY2019Q2 2019-07-25 0000006201-19-000053 $ 445,008,000 View
2019-07-01 2019-09-30 CY2019Q3 2019-10-24 0000006201-19-000067 $ 441,915,000 View
2019-10-01 2019-12-31 CY2018Q4 2020-02-19 0000006201-20-000023 $ 434,578,000 View
2020-01-01 2020-03-31 CY2020Q1 2020-04-30 0000006201-20-000066 $ 425,713,000 View
2020-04-01 2020-06-30 CY2020Q2I 2020-07-23 0000006201-20-000089 $ 428,807,000 View
2020-07-01 2020-09-30 CY2019Q3 2020-10-22 0000006201-20-000101 $ 509,049,000 View
2020-01-01 2020-12-31 CY2019Q4 2021-02-17 0000006201-21-000014 $ 483,888,000 View
2022-01-01 2022-03-31 CY2022Q1 2022-04-21 0000006201-22-000046 $ 62,000,000 View
2021-01-01 2021-12-31 CY2019 2022-02-22 0000006201-22-000026 $ 259,878 View
2022-04-01 2022-06-30 CY2021Q2 2022-07-21 0000006201-22-000071 $ -9,000,000 View
2022-07-01 2022-09-30 CY2021Q3 2022-10-20 0000006201-22-000086 $ 0 View
2022-01-01 2022-12-31 CY2021Q4I 2023-02-22 0000006201-23-000018 $ 212,000,000 View
2023-01-01 2023-03-31 CY2023Q1I 2023-04-27 0000006201-23-000042 $ 201,000,000 View
2024-01-01 2024-03-31 CY2024Q1I 2024-04-25 0000006201-24-000032 $ 2,070,000,000 View
2023-01-01 2023-06-30 CY2023Q2I 2023-07-20 0000006201-23-000070 $ 55,000,000 View
2023-01-01 2023-09-30 CY2023Q3I 2023-10-19 0000006201-23-000092 $ 55,000,000 View
2023-01-01 2023-12-31 CY2023 2024-02-21 0000006201-24-000010 $ 0 View
2024-04-01 2024-06-30 CY2024Q2 2024-07-25 0000006201-24-000048 $ 486,000,000 View
2024-07-01 2024-09-30 CY2024Q3 2024-10-24 0000006201-24-000060 $ 480,000,000 View
2025-01-01 2025-03-31 CY2025Q1 2025-04-24 0000006201-25-000023 $ 428,000,000 View
2024-01-01 2024-12-31 CY2024 2025-02-19 0000006201-25-000010 $ 257,000,000 View
SEC Facts By Type
Type Name Description View
us-gaap Repayments of Long-term Debt The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. View
us-gaap Bankruptcy Claims, Amount of Claims under Review by Management Amount of bankruptcy claim under review by management. View
us-gaap Bankruptcy Claims, Amount Paid to Settle Claims Amount paid to settle bankruptcy claim. View
us-gaap Bankruptcy Claims, Number Claims Filed The aggregate number of claims filed with the bankruptcy court. 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 Pension and Other Postretirement Benefits Cost (Reversal of Cost) Amount of cost (reversal of cost) for pension and other postretirement benefits. View
us-gaap Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP). View
us-gaap APIC, Share-based Payment Arrangement, Increase for Cost Recognition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. View
dei Entity Common Stock, Shares Outstanding Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. View
dei Entity Number of Employees Number of persons employed by the Entity View
dei Entity Public Float The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter. View
invest Derivative, Nonmonetary Notional Amount Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. View
us-gaap Accounts Payable, Current Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accounts Payable, Related Parties, Current Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accrued Liabilities, Current Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Accumulated 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 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 Amortization The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. View
us-gaap Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital. View
us-gaap Bankruptcy Claims, Amount of Claims Expunged by Bankruptcy Court Amount of bankruptcy claim filed that bankruptcy court has expunged. View
us-gaap Bankruptcy Claims, Amount of Claims Filed Amount of bankruptcy claim filed with bankruptcy court. View
us-gaap 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 Issuance Costs and Discounts Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. 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 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, Fair Value Disclosure, Recurring (Deprecated 2018-01-31) This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. View
us-gaap Debt Securities, Available-for-sale, Current 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 current. View
us-gaap Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Number of shares of equity interests issued or issuable to acquire entity. View
us-gaap Business Acquisition, Share Price Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. View
us-gaap Business Acquisition, Pro Forma Net Income (Loss) The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. View
us-gaap Business Acquisition, Pro Forma Revenue The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. View
us-gaap Business Combination, Consideration Transferred Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. View
us-gaap Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. View
us-gaap Business Combination, Contingent Consideration, Liability Amount of liability recognized arising from contingent consideration in a business combination. View
us-gaap Business Combination, Integration Related Costs Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Amount of intangible assets, excluding goodwill, acquired at the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles The amount of identifiable intangible assets recognized as of the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment The amount of property, plant, and equipment recognized as of the acquisition date. View
us-gaap Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. View
us-gaap Business Exit Costs Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. View
us-gaap Capital Leased Assets, Gross Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. 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, Balance Sheet, Assets by Major Class, Net The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. 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, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Gross Amount before depreciation of leased long-lived, physical assets used to produce goods and services and not intended for resale meeting the criteria for capitalization, classified as other. View
us-gaap Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Net Amount after depreciation of leased long-lived, physical assets used to produce goods and services and not intended for resale meeting the criteria for capitalization, classified as other. View
us-gaap Cargo and Freight Revenue (Deprecated 2018-01-31) Revenue from transporting cargo and freight between locations. View
us-gaap Cash 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. Excludes cash and cash equivalents within disposal group and discontinued operation. 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, at Carrying Value Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. View
us-gaap Cash, 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 Derivative Instrument Assets at Fair Value Fair value of all asset derivatives designated as cash flow hedging instruments. View
us-gaap Cash Flow Hedge Derivative Instrument Liabilities at Fair Value Fair value of all liability derivatives designated as cash flow hedging instruments. View
us-gaap Cash Flow Hedges Derivative Instruments at Fair Value, Net Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income. View
us-gaap Cash, Period Increase (Decrease) Amount of increase (decrease) in cash. Cash is 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. Includes effect from exchange rate changes. View
us-gaap Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price per share or per unit of warrants or rights outstanding. View
us-gaap Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. View
us-gaap Collateral Already Posted, Aggregate Fair Value The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. View
us-gaap 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, Cash Paid Aggregate dividends paid during the period for each share of common stock outstanding. View
us-gaap Common Stock, Dividends, Per Share, Declared Aggregate dividends declared during the period for each share of common stock outstanding. View
us-gaap Common Stock, Par or Stated Value Per Share Face amount or stated value per share of common stock. View
us-gaap Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws. View
us-gaap Debtor Reorganization Items, Pension and Other Postretirement Related Charges Amount of reorganization items related to pension and other postretirement related charges. View
us-gaap Debt, Weighted Average Interest Rate Weighted average interest rate of debt outstanding. View
us-gaap Common Stock, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. View
us-gaap 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 Contractual Interest Expense on Prepetition Liabilities Not Recognized in Statement of Operations The amount of contractual interest expense on prepetition liabilities not included in the statement of operations. 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 Contract with Customer, Liability, Noncurrent Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. View
us-gaap Conversion of Stock, Shares Converted "The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Convertible Preferred Dividends, Net of Tax The after-tax amount of any dividends on convertible preferred stock. View
us-gaap Convertible Preferred Stock, Shares Reserved for Future Issuance Aggregate number of nonredeemable convertible preferred shares reserved for future issuance. 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 Current Federal Tax Expense (Benefit) Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Foreign Tax Expense (Benefit) Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Current Income Tax Expense (Benefit) Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. View
us-gaap Current State and Local Tax Expense (Benefit) Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Debt and Lease Obligation Amount of short-term and long-term debt and lease obligation. View
us-gaap Debt Conversion, Converted Instrument, Amount "The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Debt Instrument, Basis Spread on Variable Rate Percentage points added to the reference rate to compute the variable rate on the debt instrument. 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, Interest Rate, Effective Percentage Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Contractual interest rate for funds borrowed, under the debt agreement. 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 Issuance Costs Incurred During Noncash or Partial Noncash Transaction The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction. View
us-gaap Debtor Reorganization Items, Debtor-in-Possession Facility Financing Costs Amount of reorganization items related to debtor-in-possession facility financing costs. View
us-gaap Debtor Reorganization Items, Impairment Loss Amount of reorganization items related to impairment loss. View
us-gaap Debtor Reorganization Items, Legal and Advisory Professional Fees Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy. View
us-gaap Debtor Reorganization Items, Other Expense (Income) Amount of expense (income) related to reorganization items classified as other. View
us-gaap Proceeds from Stock Options Exercised Amount of cash inflow from exercise of option under share-based payment arrangement. View
us-gaap Deferred Compensation Liability, Current and Noncurrent Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation 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 Credits and Other Liabilities, Noncurrent 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 after one year or beyond the normal operating cycle, if longer and noncurrent obligations not separately disclosed in the balance sheet (other liabilities, noncurrent). 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 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 Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Taxes and Tax Credits Amount of deferred income tax expense (benefit) and income tax credits. View
us-gaap Deferred Tax Liabilities, Gross Amount of deferred tax liability attributable to taxable temporary differences. View
us-gaap Deferred Rent Credit The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively. View
us-gaap Deferred Revenue and Credits, Noncurrent Total carrying amount of consideration received or receivable as of the balance sheet date representing potential earnings that were not as yet recognized as revenue or other forms of income in conformity with GAAP, and which are expected to be recognized as such after one year or beyond the normal operating cycle, if longer. View
us-gaap Deferred Revenue, Noncurrent Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent. 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, Deferred Gain on Sale Leaseback Transaction Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from a gain reported for tax purposes on sale and leaseback transactions in accordance with enacted tax laws. View
us-gaap Deferred Tax Assets, Frequent Flier Liability Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from frequent flier obligations. View
us-gaap Deferred Tax Assets, Gross Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. View
us-gaap Deferred Tax Assets, Net, 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, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. View
us-gaap Share-based Payment Arrangement, Cash Used to Settle Award Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements. 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, Tax Deferred Expense, Reserves and Accruals, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. View
us-gaap Deferred Tax 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, Goodwill and Intangible Assets Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. View
us-gaap Deferred Tax Liabilities, Leasing Arrangements Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. View
us-gaap Deferred Tax Liabilities, Other Amount of deferred tax liability attributable to taxable temporary differences classified as other. View
us-gaap Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) (Deprecated 2013-01-31) The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. View
us-gaap Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) 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, 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 Accumulated Postretirement Benefit Obligation Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate. View
us-gaap Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation (Deprecated 2017-01-31) For pension plans, the amount of Increase or Decrease in the accumulated benefit obligation related to the effects of a settlement or curtailment. View
us-gaap Defined Benefit Plan, Equity Securities (Deprecated 2012-01-31) The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date. View
us-gaap Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31) The amount of the benefits expected to be paid in Year 1. View
us-gaap Defined Benefit Plan, Expected Future 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, Funded (Unfunded) Status of Plan Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. View
us-gaap Defined Benefit Plan, 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, Benefit Obligation, Increase (Decrease) for Plan Amendment Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees. View
us-gaap Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment. View
us-gaap Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2017-01-31) Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. 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, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) The ultimate trend rate for health care costs. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Deposits on Flight Equipment Carrying amount, at the balance sheet date, of deposits made to the manufacturer for new flight equipment still under construction. May include capitalized interest. View
us-gaap Depreciation The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. View
us-gaap Depreciation, Depletion and Amortization, 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 Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. View
us-gaap Derivative Asset, Collateral, Obligation to Return Cash, Offset Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. View
us-gaap Derivative, Cash Received on Hedge The amount of cash received during the period on settlement of a hedge. View
us-gaap Derivative Asset, Fair Value, Gross Asset Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. View
us-gaap Derivative Asset, Fair Value, Amount Not Offset Against Collateral Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. View
us-gaap Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31) Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. View
us-gaap Derivative, Gain (Loss) on Derivative, Net Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. View
us-gaap Derivative Instruments, Gain (Loss) 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, Net (Deprecated 2013-01-31) The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. View
us-gaap Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. View
us-gaap Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion The effective portion of gain reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. View
us-gaap Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion (Deprecated 2018-01-31) The effective portion of losses on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. View
us-gaap Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of dilutive convertible securities excluding adjustments related to ESOP convertible preferred stock, stock options, and restrictive stock units. View
us-gaap Dividends, Common Stock Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). View
us-gaap Due from Related Parties, Current The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). View
us-gaap Earnings Per Share, Basic The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. View
us-gaap Earnings Per Share, Diluted The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap 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, Tax Credit, 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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing 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 Equity Securities, FV-NI, Unrealized Loss Amount of unrealized 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, Level 1 to Level 2 Transfers, Amount Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. View
us-gaap Fair Value, Equity, Level 1 to Level 2 Transfers, Amount Amount of transfers of financial instruments classified in shareholders' equity measured on a recurring basis out of level 1 of the fair value hierarchy into level 2. View
us-gaap Fair Value, Level 1 to level 2 Transfers, Amount (Deprecated 2012-01-31) The amount of the transfers of assets or liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. 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 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, Accumulated Amortization Amount of 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, Right-of-Use Asset, before Accumulated Amortization Amount, before accumulated amortization, of 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 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 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 Assets, Amortization Expense (Deprecated 2012-01-31) Aggregate amount of intangible asset amortization recognized as expense during the period. View
us-gaap Finite-Lived Intangible Asset, Expected Amortization, after Year Five Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized 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 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 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, 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 Finite-Lived Intangible Assets, Useful Life (Deprecated 2012-01-31) The useful life of all finite-lived intangible assets. View
us-gaap Finite-Lived Trade Names, Gross Gross carrying amount before accumulated amortization as of the balance sheet date of the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a reasonably expected period of economic benefit. View
us-gaap Flight Equipment, Gross The gross amount of long-lived, depreciable flight assets used in the entity's principle business operations, including owned aircraft and on capital lease, as well as capitalized improvements. View
us-gaap Flight Equipment Owned, Accumulated Depreciation (Deprecated 2016-01-31) The cumulative amount of depreciation (related to long-lived flight assets owned by the entity and used in the entity's principle business operations, including owned aircraft, as well as capitalized improvements) that has been recognized in the income statement. View
us-gaap Flight Equipment Owned, Gross (Deprecated 2016-01-31) The gross amount of long-lived, depreciable flight assets owned by the entity and used in the entity's principle business operations, including owned aircraft as well as capitalized improvements. View
us-gaap Flight Equipment Owned, Net (Deprecated 2016-01-31) The net amount of long-lived, depreciable flight assets owned by the entity and used in the entity's principle business operations, including owned aircraft as well as capitalized improvements. View
us-gaap Foreign Currency Transaction Gain (Loss), before Tax Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. 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 Increase (Decrease) in Obligation, Pension Benefits Amount of increase (decrease) in obligation for pension benefits. Includes, but is not limited to, defined benefit or defined contribution plans. Excludes other postretirement benefits. View
us-gaap Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. View
us-gaap Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. View
us-gaap Gain (Loss) on Disposition of Intangible Assets Amount of gain (loss) on sale or disposal of intangible assets. View
us-gaap Gain (Loss) on Disposition of Other Assets Amount of gain (loss) on sale or disposal of other assets. View
us-gaap Gain (Loss) Related to Litigation Settlement Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. View
us-gaap Gain on Sale of Investments The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. View
us-gaap Gain (Loss) on Extinguishment of Debt Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. View
us-gaap Gain (Loss) on Disposition of Assets for Financial Service Operations Amount of gain (loss) on sale or disposal of assets utilized in financial service operations. View
us-gaap General Fair Value Hedge Information, Dollar Offset Threshold, Maximum (Deprecated 2016-01-31) The upper end of the range of quotients represented as a percentage derived by dividing the change in value of a hedging instrument by the change in the value of the hedged item over the assessment period. View
us-gaap General Fair Value Hedge Information, Dollar Offset Threshold, Minimum (Deprecated 2016-01-31) The lower end of the range of quotients represented as a percentage derived by dividing the change in value of a hedging instrument by the change in the value of the hedged item over the assessment period. View
us-gaap General Fair Value Hedge Information, Minimum R Square, Percentage The correlation coefficient between the hypothetical instrument and the hedged item used in determination of the effectiveness of a hedging relationship. 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 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 Guarantor Obligations, Current Carrying Value The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. View
us-gaap Guarantor Obligations, Maximum Exposure, Undiscounted Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. View
us-gaap 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 Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Income Taxes Paid The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. View
us-gaap Income Taxes Paid, Net The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. View
us-gaap Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible meals and entertainment expense. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. View
us-gaap Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. View
us-gaap Increase (Decrease) in Accounts Payable and Accrued Liabilities The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. View
us-gaap Increase (Decrease) in Accounts Receivable The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. View
us-gaap Increase (Decrease) in 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 Commodity Contract Assets and Liabilities The increase (decrease) during the reporting period in the assets (liabilities) created through trading commodity-based derivative instruments. View
us-gaap Increase (Decrease) in 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 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 Other Current Assets Amount of increase (decrease) in current assets classified as other. View
us-gaap Increase (Decrease) in Other Operating Assets Amount of increase (decrease) in operating assets classified as other. View
us-gaap Long-term Debt and Lease Obligation, Current Amount of long-term debt and lease obligation, classified as current. 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) of Restricted Investments The net cash inflow or outflow for the increase (decrease) associated with investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Accelerated Share Repurchase Agreements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of accelerated share repurchase agreements. An accelerated share repurchase program is a combination of transactions that permits an entity to purchase a targeted number of shares immediately with the final purchase price of those shares determined by an average market price over a fixed period of time. 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 Domestic Slots and Routes Carrying amount, (original cost adjusted for any previously recognized amortization and impairment) as of the balance sheet date, of domestic slots, route authorities, airport operating and gate lease rights and related intangibles. View
us-gaap Indefinite-lived Intangible Assets (Deprecated 2012-01-31) Carrying amount of intangible assets, excluding goodwill, which have a projected indefinite period of benefit (hence are not amortized), allocated to the reportable segment. These assets, acquired either individually or as part of a group of assets, in either an asset acquisition or business combination, are assessed at least annually for impairment. Examples may include trade secrets, contractual rights, trade names, and licensing agreements. 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 International Slots and Routes Carrying amount, (original cost adjusted for any previously recognized amortization and impairment) as of the balance sheet date, of international slots, route authorities, airport operating and gate lease rights and related intangibles. View
us-gaap Indefinite-Lived Slots and Routes Carrying amount, (original cost adjusted for any previously recognized amortization and impairment) as of the balance sheet date, of slots, route authorities, airport operating and gate lease rights and related intangibles. View
us-gaap Insurance Settlements Receivable Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. View
us-gaap Intangible Assets, Net (Excluding Goodwill) Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. View
us-gaap Interest Costs Capitalized Amount of interest capitalized during the period. View
us-gaap Capitalized Interest Costs, Including Allowance for Funds Used During Construction Amount of interest capitalized, including amount of allowance for funds used during construction. View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest on Convertible Debt, Net of Tax The after-tax amount of interest recognized in the period associated with any convertible debt. 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 Portion of Minimum Lease Payments, Sale Leaseback Transactions Amount necessary to reduce minimum lease payments to present value for sale-leaseback transactions accounted for using the deposit method or as a financing. View
us-gaap Investment Income, Interest Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. View
us-gaap Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Amount of investment in equity method investee and investment in and advance to affiliate. View
us-gaap Labor and Related Expense Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. View
us-gaap Number of Aircraft Operated Number of aircraft operated by the carrier. View
us-gaap Operating Leases, Rent Expense Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. View
us-gaap Lease, Cost Amount of lease cost recognized by lessee for lease contract. View
us-gaap Lessee, Operating Lease, 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 Liabilities Subject to Compromise Total amount of liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities The amount of trade accounts payable included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Aircraft Obligations and Deferred Gains (Deprecated 2016-01-31) The amount of aircraft obligations and deferred gains included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Debt and Accrued Interest The amount of debt and related accrued interest included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Employee and Deemed Claims The amount of employee and related claims included in liabilities subject to compromise. View
us-gaap Liabilities Subject to Compromise, Other Liabilities The amount of other obligations included in liabilities subject to compromise. View
us-gaap Liability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation Amount classified as pension and other postretirement obligations included in liability subject to compromise. View
us-gaap Liabilities Subject to Compromise, Provision for Expected and Allowed Claims The amount of the provision for expected and allowed claims included in liabilities subject to compromise. View
us-gaap Line of Credit Facility, Remaining Borrowing Capacity Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). View
us-gaap Litigation Settlement, Amount Awarded to Other Party Amount awarded to other party in judgment or settlement of litigation. View
us-gaap Litigation Settlement, Expense Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. 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 Capital Lease Obligations, Maturities, Repayments of Principal in Year Five Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt, Current Maturities Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt, Fair Value The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. View
us-gaap Long-Term Debt, 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 Long-Term Debt, Maturity, Year Five Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Three Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Two Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Remainder of Fiscal Year 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 remainder of current fiscal year. View
us-gaap Long-term Debt, Excluding Current Maturities Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. View
us-gaap Long-term Purchase Commitment, Amount The minimum amount the entity agreed to spend under the long-term purchase commitment. View
us-gaap Number of Countries in which Entity Operates The number of countries in which the entity operates as of balance sheet date. View
us-gaap Marketing and Advertising Expense The total expense recognized in the period for promotion, public relations, and brand or product advertising. View
us-gaap Net Cash Provided by (Used in) Financing Activities Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Net Cash Provided by (Used in) Financing Activities, Continuing Operations Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Net Cash Provided by (Used in) Investing Activities Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Investing Activities, Continuing Operations Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Operating Activities Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Cash Provided by (Used in) Operating Activities, Continuing Operations Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Income (Loss) Attributable to Parent The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. View
us-gaap Net Income (Loss) Available to Common Stockholders, Basic Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. View
us-gaap Net Income (Loss) Available to Common Stockholders, Diluted Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. View
us-gaap New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31) Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. View
us-gaap Noncash Merger Related Costs Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger. View
us-gaap Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) "The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future." View
us-gaap Long-Lived Assets 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. 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 Notes Payable Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. View
us-gaap Notional Amount of Interest Rate Derivatives (Deprecated 2013-01-31) Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments. View
us-gaap Notional Amount of Interest Rate Fair Value Hedge Derivatives (Deprecated 2013-01-31) Aggregate notional amount of all interest rate derivatives designated as hedging instruments in fair value hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract. View
us-gaap Number of Reporting Units Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. View
us-gaap OCI, before Reclassifications, Net of Tax, Attributable to Parent Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Lease, Cost Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. View
us-gaap Operating Lease, Impairment Loss Amount of loss from impairment of right-of-use asset from operating lease. 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 in Four Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Three Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Two Years Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due Thereafter Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, 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 Accrued Liabilities, Noncurrent Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other Assets Amount of assets classified as other. View
us-gaap Other Assets, Current Amount of current assets classified as other. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2012-01-31) The change in other comprehensive income due to the amortization of the net prior service costs (credit) into net periodic pension costs. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax. View
us-gaap Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) Before tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost. View
us-gaap 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 Tax Amount before tax, after reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Amount before tax of other comprehensive income (loss) attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Amount after tax of other comprehensive income (loss) attributable to parent entity. View
us-gaap Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Amount of noncash expense (reversal of expense) for pension and other postretirement benefits. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Amount, after tax, before reclassification adjustment, of (increase) decrease in accumulated other comprehensive income 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, before Tax Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). View
us-gaap Other Comprehensive (Income) Loss, 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), Tax Amount of tax expense (benefit) allocated to other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent (Deprecated 2012-01-31) Tax effect of the change in accumulated other comprehensive income, that is, the tax effect on items included in other comprehensive income during the period that is attributable to the parent entity. 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), Tax, Portion Attributable to Parent Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31) Pre tax reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31) Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. View
us-gaap Other 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, Net of Tax (Deprecated 2013-01-31) Net of tax amount of the income statement impact of the reclassification adjustment for actuarial (gains) losses recognized as a component of net periodic benefit cost. View
us-gaap Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). View
us-gaap Other 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 and Tax Amount, before tax and 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 Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other Noncash Income (Expense) Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. View
us-gaap Other Noncurrent Liabilities (Deprecated 2011-01-31) Obligations not otherwise itemized or previously categorized that are due beyond one year (or operating cycle, if longer) from the balance sheet date. View
us-gaap Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. View
us-gaap Liability, Other Postretirement Defined Benefit Plan, Noncurrent Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan, classified as noncurrent. Excludes pension plan. View
us-gaap Other Revenue, Net (Deprecated 2018-01-31) Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. View
us-gaap Other Tax Expense (Benefit) Amount of other income tax expense (benefit). View
us-gaap 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 (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments for (Proceeds from) Productive Assets The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles. 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 Payment for Debt Extinguishment or Debt Prepayment Cost Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. View
us-gaap Payments of Debt Issuance Costs The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. View
us-gaap Payments of Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. View
us-gaap Payments of Ordinary Dividends, Common Stock Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Payments of Ordinary Dividends Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings. View
us-gaap Payment, Tax Withholding, Share-based Payment Arrangement Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap Payments to Acquire 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 Productive Assets The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. View
us-gaap Payments to 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 Payment for Pension Benefits Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. View
us-gaap Preferred Stock, Dividend Rate, Percentage The percentage rate used to calculate dividend payments on preferred stock. View
us-gaap Preferred Stock, Par or Stated Value Per Share Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. View
us-gaap Preferred Stock, Shares Authorized The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. View
us-gaap Preferred Stock, Value, Issued Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap 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 Prepaid Expense and Other Assets, Noncurrent 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 after one year or the normal operating cycle, if longer. View
us-gaap Price Risk Cash Flow Hedge Derivative, at Fair Value, Net Fair value as of the balance sheet date of all price risk derivatives designated as cash flow hedging instruments. View
us-gaap Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity. View
us-gaap Proceeds from Issuance of 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 Secured Tax Exempt Debt The cash inflow from amounts received from issuance of long-term tax exempt debt that is wholly or partially secured by collateral. 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 Issuance or Sale of Equity The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. View
us-gaap Proceeds from Legal Settlements Cash received for the settlement of litigation during the current period. View
us-gaap Proceeds from Long-term Capital Lease Obligations The cash inflow from proceeds received from lessor related to a long-term capital lease obligation. View
us-gaap Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from Sale of Debt Securities, Available-for-sale Amount of cash inflow from sale 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 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 Proceeds from Sale of Other Assets Amount of cash inflow from the sale of other assets as part of operating activities. View
us-gaap Proceeds from Sale of Other Investments The cash inflow associated with the sale of other investments not otherwise defined in the taxonomy. View
us-gaap Proceeds from Sale of Productive Assets The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. View
us-gaap Proceeds from Sale of Property, Plant, and Equipment The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Proceeds from Sale of Short-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. View
us-gaap Proceeds from Secured Notes Payable The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). 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 and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Amount, before 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 Property, Plant and Equipment, Other, Gross Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Property, Plant and Equipment, Other, Accumulated Depreciation Amount of accumulated depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Property, Plant and Equipment, Other, Net Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Property, Plant, and Equipment, Owned, Accumulated Depreciation The cumulative amount of depreciation (related to long-lived, depreciable flight assets owned by the entity and used in the entity's principle business operations and capitalized assets classified as property, plant and equipment that are owned by the entity) that has been recognized in the income statement. View
us-gaap Property, Plant, and Equipment, Salvage Value The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). View
us-gaap 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, Net of Tax Amount after tax of reclassification adjustments of other comprehensive income (loss). View
us-gaap Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. 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 Recorded Unconditional Purchase Obligation, to be Paid, after Year Five Amount of recorded unconditional purchase obligation 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 Recorded Unconditional Purchase Obligation, to be Paid, Year Five Amount of recorded 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 Recorded Unconditional Purchase Obligation, to be Paid, Year Four Amount of recorded 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 Recorded Unconditional Purchase Obligation, to be Paid, Year Two Amount of recorded 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 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Amount of recorded 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 Recorded Unconditional Purchase Obligation, to be Paid, Year One Amount of recorded 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 Recorded Unconditional Purchase Obligation, Minimum Quantity Required The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has been recognized for financial reporting purposes. View
us-gaap Reorganization Items Total amount of reorganization items. 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 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 Restricted Stock, Value, Shares Issued Net of Tax Withholdings Value, after value of shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation. View
us-gaap Restructuring and Related Cost, Number of Positions Eliminated The number of positions eliminated during the period as a result of restructuring activities. 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, 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 Reserve, Settled Without Cash (Deprecated 2013-01-31) Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost. View
us-gaap Restructuring Reserve, Settled without Cash (Deprecated 2016-01-31) Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Revenue from Contract with Customer, 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 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 Sale and Leaseback Transaction, Gain (Loss), Net Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale. View
us-gaap Sale Leaseback Transaction, Net Proceeds (Deprecated 2014-01-31) The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller less the costs incurred in connection with the transaction, such as closing and deferred financing costs. View
us-gaap Sale Leaseback Transaction, Net Proceeds, Financing Activities Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in financing activities. View
us-gaap Sale Leaseback Transaction, Net Proceeds, Investing Activities Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities. View
us-gaap Revenue, Net (Deprecated 2018-01-31) Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. View
us-gaap Sales Revenue, Services, Other (Deprecated 2018-01-31) Amount before allowances and discounts of service revenue classified as other. 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 Selling and Marketing Expense The aggregate total amount of expenses directly related to the marketing or selling of products or services. View
us-gaap Selling Expense Expenses recognized in the period that are directly related to the selling and distribution of products or services. View
us-gaap Severance Costs Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. View
us-gaap Share-based Payment Arrangement, Noncash Expense Amount of noncash expense for share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, 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, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Stock Issued During Period, Value, New Issues Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. View
us-gaap 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 Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) The weighted-average period between the balance sheet date and expiration date for fully vested and expected to vest options outstanding, which may be expressed in a decimal value for number of years. View
us-gaap Shares Issued, Price Per Share Per share or per unit amount of equity securities issued. View
us-gaap Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. 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 Stockholders' Equity Note, Stock Split, Conversion Ratio Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. View
us-gaap Stock Issued During Period, Shares, Acquisitions Number of shares of stock issued during the period pursuant to acquisitions. View
us-gaap Stock Issued During Period, Shares, Conversion of Convertible Securities Number of shares issued during the period as a result of the conversion of convertible securities. View
us-gaap Stock Issued During Period, Shares, New Issues Number of new stock issued during the period. View
us-gaap Stock Issued During Period, Shares, Other Number of shares of stock issued attributable to transactions classified as other. View
us-gaap Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Acquisitions Value of stock issued pursuant to acquisitions during the period. View
us-gaap Stock Issued During Period, Value, Conversion of Convertible Securities The gross value of stock issued during the period upon the conversion of convertible securities. View
us-gaap Stock 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 Stock Repurchase Program, Authorized Amount Amount of stock repurchase plan authorized. View
us-gaap Stock Repurchase Program, Remaining Authorized Repurchase Amount Amount remaining of a stock repurchase plan authorized. View
us-gaap Tax Credit Carryforward, Amount The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. View
us-gaap Tax Credit Carryforward, Deferred Tax Asset (Deprecated 2015-01-31) Amount of deferred tax asset, before valuation allowance, attributable to deductible other tax carryforwards. 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, Reclassification from AOCI to Retained Earnings, Tax Effect Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act. View
us-gaap Temporary Equity, Interest in Subsidiary Earnings Subsidiary earnings portion attributable to temporary equity. View
us-gaap Transfer from Investments Value of investments transferred from the entity's investments in noncash transactions. 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, Retired, Cost Method, Amount Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method. 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 Unrecognized Tax Benefits Amount of unrecognized tax benefits. 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 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 Unusual or Infrequent Item, or Both, Insurance Proceeds Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both. 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 Diluted Shares Outstanding Adjustment The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. View
us-gaap Weighted Average Number of Shares Outstanding, Diluted The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. View
us-gaap Weighted Average Number of Shares Outstanding, Basic and Diluted Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). View
us-gaap Weighted Average Number of Shares Outstanding, Basic Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. View
us-gaap 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 Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Amount, after tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Payments for Construction in Process The cash outflow from construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service. View
us-gaap Treasury Stock, Shares, Retired Number of shares of common and preferred stock retired from treasury during the period. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. View
us-gaap 1438253 None View
us-gaap Other Investments Amount of investments classified as other. View
us-gaap Accounts Receivable, after Allowance for Credit Loss, Current Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. View
us-gaap Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred. View
us-gaap Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). View
us-gaap Noncash or Part Noncash Acquisition, Investments Acquired "The amount of investments that an Entity acquires 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 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 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 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 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 Available-for-sale Securities, Fair Value Disclosure (Deprecated 2013-01-31) This element represents the portion of the balance sheet assertion valued at fair value by the entity 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. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale. View
us-gaap Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. View
us-gaap Business Combination, Acquisition Related Costs This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. View
us-gaap 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 in Five Years Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Four Years Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Three Years Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due in Two Years Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments Due Thereafter Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Capital Leases, Future Minimum Payments, 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, Net Minimum Payments Amount of minimum lease payments for capital leases net of executory costs, which include amounts paid by the lessee to the lessor for insurance, maintenance and taxes. 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 Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. View
us-gaap Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Accumulated Depreciation The cumulative amount of depreciation that has been recognized in the income statement related to long-lived, depreciable flight assets used in the entity's principle business operations, subject to a lease and meeting the criteria for capitalization. View
us-gaap Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Gross Gross amount of long-lived, depreciable flight assets used in the entity's principle business operations, subject to a lease and meeting the criteria for capitalization. View
us-gaap Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Net The net amount of long-lived, depreciable flight assets used in the entity's principle business operations, subject to a lease and meeting the criteria for capitalization. View
us-gaap Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Amount of cost to be recognized for option under share-based payment arrangement. View
us-gaap 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, and Short-term Investments Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable. View
us-gaap Common Stock, Shares, Issued Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. View
us-gaap Common Stock, Value, Issued Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Deferred Air Traffic Revenue, Current Value of revenue deferred or cost to provide future services associated with points or miles outstanding and awards that expect to be redeemed through customer loyalty programs and the value of transportation services sold but as yet used by the passenger. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer). 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, 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, Postretirement Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. View
us-gaap Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (Deprecated 2017-01-31) The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency. View
us-gaap Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments (Deprecated 2012-01-31) The aggregate amount of net gain (loss) recognized in net periodic benefit cost due to settlements and curtailments. Curtailments result from an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. Settlements result from an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts to cover vested benefits. View
us-gaap Derivative Liability, Fair Value, Amount Not Offset Against Collateral Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. View
us-gaap Earnings Per Share, Basic and Diluted The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. View
us-gaap Equity Method Investment, Net Sales Proceeds (Deprecated 2016-01-31) This item represents the amount of net sales proceeds received on disposal of an equity method investment. View
us-gaap Equity Securities, FV-NI, Unrealized Gain (Loss) Amount of unrealized 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 Finite-Lived Customer Relationships, Gross Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life. View
us-gaap Foreign Currency Transaction Loss, before Tax Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement. 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 Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. View
us-gaap 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 and Investments The net cash inflow or outflow during the period for the aggregate increase (decrease) associated with funds and investments that are not available for withdrawal or use (such as assets held in escrow or contractually limited as to use or disposition) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. View
us-gaap 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 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five Principal amount of long-term debt and capital lease obligation maturing 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 Long-term Debt, Percentage Bearing Variable Interest, Amount The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. View
us-gaap Multiemployer Plans, Collective-Bargaining Arrangement, Percentage of Employer's Participants (Deprecated 2020-01-31) Percentage of employee participants subject to a collective bargaining arrangement to all of the employer's participants in a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. View
us-gaap 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 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 Other Assets, Miscellaneous, Noncurrent Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. View
us-gaap Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax Amount, before tax and after 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, Defined Benefit Plan, before Reclassification Adjustment and Tax Amount, before tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, 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 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 Payments for (Proceeds from) Short-term Investments The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention 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 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 Issued Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. View
us-gaap Price Risk Fair Value Hedge Derivative, at Fair Value, Net Fair value as of the balance sheet date of all price risk derivatives designated as fair value hedging instruments. 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 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, Gross Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. View
us-gaap Restricted Cash and Cash Equivalents Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restructuring and Related Cost, Number of Positions Eliminated, Period Percent The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). View
us-gaap Restructuring 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 Sale Leaseback Transaction, Rent Expense The amount of the current period expense recorded for use of the property in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value (Deprecated 2012-01-31) The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. View
us-gaap Special Assessment Bond, Noncurrent The noncurrent portion of the carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project. View
us-gaap Stockholders' Equity Attributable to Parent Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. View
us-gaap Stock 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 Tax Adjustments, Settlements, and Unusual Provisions Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. View
us-gaap Increase (Decrease) in Accounts Payable The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. View
Chart of Accounts => Accounts
Name View
Accounts Payable, Current View
Accounts Payable, Related Parties, Current View
Accrued Liabilities, Current View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
Additional Paid in Capital, Common Stock View
Amortization View
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt View
Deferred Compensation Liability, Current and Noncurrent View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition 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
Air Traffic Liability, Current View
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss, Current View
Amortization of Debt Issuance Costs and Discounts 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
Assets View
Assets, Current View
Assets, Fair Value Disclosure, Recurring (Deprecated 2018-01-31) View
Debt Securities, Available-for-sale, Current View
Available-for-sale Securities, Fair Value Disclosure (Deprecated 2013-01-31) View
Bankruptcy Claims, Amount of Claims Expunged by Bankruptcy Court View
Bankruptcy Claims, Amount of Claims Filed View
Bankruptcy Claims, Amount of Claims under Review by Management View
Bankruptcy Claims, Amount Paid to Settle Claims View
Bankruptcy Claims, Number Claims Filed View
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned View
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares View
Business Acquisition, Share Price View
Business Acquisition, Pro Forma Net Income (Loss) View
Business Acquisition, Pro Forma Revenue View
Business Combination, Acquisition Related Costs View
Business Combination, Consideration Transferred View
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable View
Business Combination, Contingent Consideration, Liability View
Business Combination, Integration Related Costs View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment View
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net View
Business Exit Costs View
Capital Leased Assets, Gross View
Capital Lease Obligations, Current View
Lease Obligation Incurred View
Capital Lease Obligations, Noncurrent View
Capital Leases, Balance Sheet, Assets by Major Class, Net View
Capital Leases, Future Minimum Payments Due View
Capital Leases, Future Minimum Payments Due, Next Twelve Months View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Gross View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Net View
Cargo and Freight Revenue (Deprecated 2018-01-31) View
Cash View
Cash Acquired from Acquisition View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Cash, Cash Equivalents, and Short-term Investments 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 Derivative Instrument Assets at Fair Value View
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value View
Cash Flow Hedges Derivative Instruments at Fair Value, Net View
Cash, Period Increase (Decrease) View
Class of Warrant or Right, Exercise Price of Warrants or Rights View
Class of Warrant or Right, Number of Securities Called by Warrants or Rights View
Collateral Already Posted, Aggregate Fair Value View
Commitments and Contingencies View
Common Stock, Capital Shares Reserved for Future Issuance View
Common Stock, Dividends, Per Share, Cash Paid View
Common Stock, Dividends, Per Share, Declared View
Common Stock, Par or Stated Value Per Share View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Shares, Outstanding View
Common Stock, Value, Issued View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent View
Contractual Interest Expense on Prepetition Liabilities Not Recognized in Statement of Operations View
Contract with Customer, Liability View
Contract with Customer, Liability, Noncurrent View
Conversion of Stock, Shares Converted View
Convertible Preferred Dividends, Net of Tax View
Convertible Preferred Stock, Shares Reserved for Future Issuance View
Cost of Services, Catering View
Costs and Expenses 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
Debt and Lease Obligation View
Debt Conversion, Converted Instrument, Amount View
Debt Instrument, Basis Spread on Variable Rate View
Long-term Debt, Gross View
Debt Instrument, Interest Rate, Effective Percentage View
Debt Instrument, Interest Rate, Stated Percentage View
Debt Instrument, Unamortized Discount View
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net View
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction View
Debtor Reorganization Items, Debtor-in-Possession Facility Financing Costs View
Debtor Reorganization Items, Impairment Loss View
Debtor Reorganization Items, Legal and Advisory Professional Fees View
Debtor Reorganization Items, Other Expense (Income) View
Debtor Reorganization Items, Pension and Other Postretirement Related Charges View
Debt, Weighted Average Interest Rate View
Deferred Air Traffic Revenue, Current View
Deferred Credits and Other Liabilities, Noncurrent View
Deferred Federal Income Tax Expense (Benefit) View
Deferred Income Tax Assets, Net View
Deferred Income Tax Expense (Benefit) View
Deferred Income Taxes and Tax Credits View
Deferred Tax Liabilities, Gross View
Deferred Rent Credit View
Deferred Revenue and Credits, Noncurrent View
Deferred Revenue, Noncurrent View
Deferred State and Local Income Tax Expense (Benefit) View
Deferred Tax Assets, Frequent Flier Liability View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Net View
Deferred Tax Assets, Net, Noncurrent View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Other View
Deferred Tax Assets, Tax Credit Carryforwards, Other View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Goodwill and Intangible Assets View
Deferred Tax Liabilities, Leasing Arrangements View
Deferred Tax Liabilities, Other View
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax View
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) (Deprecated 2013-01-31) View
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan View
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 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 Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31) View
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components View
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation View
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components View
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation (Deprecated 2017-01-31) View
Defined Benefit Plan, Equity Securities (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31) View
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year View
Defined Benefit Plan, Plan Assets, Amount View
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (Deprecated 2017-01-31) View
Defined Benefit Plan, Funded (Unfunded) Status of Plan View
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment View
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments (Deprecated 2012-01-31) View
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment View
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2017-01-31) View
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31) View
Defined Contribution Plan, Cost View
Deposits on Flight Equipment View
Depreciation View
Depreciation, Depletion and Amortization, Nonproduction View
Depreciation, Depletion and Amortization View
Derivative Asset, Collateral, Obligation to Return Cash, Offset View
Derivative, Cash Received on Hedge View
Derivative Asset, Fair Value, Gross Asset View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral View
Derivative, Gain (Loss) on Derivative, Net 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, Net (Deprecated 2013-01-31) View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31) View
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion View
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion (Deprecated 2018-01-31) View
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities View
Dividends, Common Stock View
Due from Related Parties, Current View
Earnings Per Share, Basic View
Earnings Per Share, Basic and Diluted View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Effective Income Tax Rate Reconciliation, Tax Credit, Percent View
Share-based Payment Arrangement, Cash Used to Settle Award View
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31) View
Equity Method Investment, Net Sales Proceeds (Deprecated 2016-01-31) View
Equity Securities, FV-NI, Unrealized Loss View
Extinguishment of Debt, Amount View
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount View
Fair Value, Equity, Level 1 to Level 2 Transfers, Amount View
Fair Value, Level 1 to level 2 Transfers, Amount (Deprecated 2012-01-31) View
Finance Lease, Interest Expense View
Finance Lease, Interest Payment on Liability 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, Accumulated Amortization View
Finance Lease, Right-of-Use Asset, Amortization View
Finance Lease, Right-of-Use Asset, before Accumulated Amortization View
Finance Lease, Weighted Average Discount Rate, Percent View
Finite-Lived Customer Relationships, Gross View
Finite-Lived Intangible Assets, Accumulated Amortization View
Finite-Lived Intangible Asset, Expected Amortization, after Year Five 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, Gross View
Finite-Lived Intangible Assets, Net View
Finite-Lived Intangible Assets, Useful Life (Deprecated 2012-01-31) View
Finite-Lived Trade Names, Gross View
Flight Equipment, Gross View
Flight Equipment Owned, Accumulated Depreciation (Deprecated 2016-01-31) View
Flight Equipment Owned, Gross (Deprecated 2016-01-31) View
Flight Equipment Owned, Net (Deprecated 2016-01-31) View
Foreign Currency Transaction Gain (Loss), before Tax View
Fuel Costs View
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net View
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property View
Gain (Loss) on Disposition of Intangible Assets View
Gain (Loss) on Disposition of Other Assets View
Gain (Loss) Related to Litigation Settlement View
Gain on Sale of Investments View
Gain (Loss) on Extinguishment of Debt View
Gain (Loss) on Disposition of Assets for Financial Service Operations View
General Fair Value Hedge Information, Dollar Offset Threshold, Maximum (Deprecated 2016-01-31) View
General Fair Value Hedge Information, Dollar Offset Threshold, Minimum (Deprecated 2016-01-31) View
General Fair Value Hedge Information, Minimum R Square, Percentage View
Goodwill View
Goodwill, Impairment Loss View
Guarantor Obligations, Current Carrying Value View
Guarantor Obligations, Maximum Exposure, Undiscounted 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 Tax Expense (Benefit) View
Income Taxes Paid View
Income Taxes Paid, Net View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount View
Increase (Decrease) in Accounts Payable and Accrued Liabilities View
Increase (Decrease) in Accounts Receivable View
Increase (Decrease) in Air Traffic Liability (Deprecated 2011-01-31) View
Increase (Decrease) in Air Traffic Liability View
Increase (Decrease) in Commodity Contract Assets and Liabilities View
Increase (Decrease) in Frequent Flyer Liability View
Increase (Decrease) in Other Current Assets View
Increase (Decrease) in Other Operating Assets View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Obligation, Pension Benefits View
Increase (Decrease) in Receivables View
Increase (Decrease) in Restricted Cash View
Increase (Decrease) in Restricted Cash and Investments View
Increase (Decrease) of Restricted Investments View
Incremental Common Shares Attributable to Dilutive Effect of Accelerated Share Repurchase Agreements View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Indefinite-Lived Domestic Slots and Routes View
Indefinite-lived Intangible Assets (Deprecated 2012-01-31) View
Indefinite-lived Intangible Assets (Excluding Goodwill) View
Indefinite-Lived International Slots and Routes View
Indefinite-Lived Slots and Routes View
Insurance Settlements Receivable View
Intangible Assets, Net (Excluding Goodwill) View
Interest Costs Capitalized View
Capitalized Interest Costs, Including Allowance for Funds Used During Construction View
Interest Expense View
Interest on Convertible Debt, Net of Tax View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Interest Portion of Minimum Lease Payments, Sale Leaseback Transactions View
Investment Income, Interest View
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 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
Liabilities Subject to Compromise View
Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities View
Liabilities Subject to Compromise, Aircraft Obligations and Deferred Gains (Deprecated 2016-01-31) View
Liabilities Subject to Compromise, Debt and Accrued Interest View
Liabilities Subject to Compromise, Employee and Deemed Claims View
Liabilities Subject to Compromise, Other Liabilities View
Liability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation View
Liabilities Subject to Compromise, Provision for Expected and Allowed Claims View
Line of Credit Facility, Remaining Borrowing Capacity View
Litigation Settlement, Amount Awarded to Other Party View
Litigation Settlement, Expense View
Long-term Debt View
Long-term Debt and Lease Obligation View
Long-term Debt and Lease Obligation, Current View
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five View
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five View
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four View
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three View
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two 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, Maturity, Remainder of Fiscal Year View
Long-term Debt, Excluding Current Maturities View
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate View
Long-term Purchase Commitment, Amount View
Long-term Debt, Percentage Bearing Variable Interest, Amount View
Marketing and Advertising Expense View
Multiemployer Plans, Collective-Bargaining Arrangement, Percentage of Employer's Participants (Deprecated 2020-01-31) View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations View
Net Cash Provided by (Used in) Operating Activities View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations View
Net Income (Loss) Attributable to Parent View
Net Income (Loss) Available to Common Stockholders, Basic View
Net Income (Loss) Available to Common Stockholders, Diluted View
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Deprecated 2020-01-31) View
Noncash Merger Related Costs View
Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) View
Long-Lived Assets View
Nonoperating Income (Expense) View
Notes Payable View
Notional Amount of Interest Rate Derivatives (Deprecated 2013-01-31) View
Notional Amount of Interest Rate Fair Value Hedge Derivatives (Deprecated 2013-01-31) View
Number of Aircraft Operated View
Number of Countries in which Entity Operates View
Number of Operating Segments View
Number of Reporting Units View
OCI, before Reclassifications, Net of Tax, Attributable to Parent View
Operating Income (Loss) View
Operating Lease, Cost View
Operating Lease, Impairment Loss 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 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, Future Minimum Payments, Due Thereafter View
Operating Leases, Rent Expense, Net View
Operating Lease, Weighted Average Discount Rate, Percent View
Operating Loss Carryforwards View
Other Accrued Liabilities, Current View
Other Accrued Liabilities, Noncurrent View
Other Assets View
Other Assets, Current View
Other Assets, Miscellaneous, Noncurrent View
Other Assets, Noncurrent View
Passenger Revenue, Regional (Deprecated 2018-01-31) View
Payments for (Proceeds from) Other Investing Activities View
Payments for (Proceeds from) Productive Assets View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax View
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), before Tax View
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax View
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax View
Other Comprehensive Income (Loss), 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, 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), Tax View
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent 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, Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, 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, Net of Tax (Deprecated 2013-01-31) View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax View
Other Cost and Expense, Operating View
Other Liabilities, Noncurrent View
Other Noncash Income (Expense) View
Other Noncurrent Liabilities (Deprecated 2011-01-31) View
Other Nonoperating Income (Expense) View
Liability, Other Postretirement Defined Benefit Plan, Noncurrent View
Other Revenue, Net (Deprecated 2018-01-31) View
Other Tax Expense (Benefit) View
Passenger Revenue (Deprecated 2018-01-31) View
Passenger Revenue, Mainline (Deprecated 2018-01-31) View
Payments for Repurchase of Common Stock View
Payments for Restructuring View
Payments of Dividends View
Payments of Ordinary Dividends, Common Stock View
Payments of Financing Costs View
Payment, Tax Withholding, Share-based Payment Arrangement View
Payments to Acquire Equity Method Investments View
Payments to Acquire Productive Assets View
Payments to Acquire Short-term Investments View
Pension and Other Postretirement Benefits Cost (Reversal of Cost) View
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash View
Liability, Defined Benefit Plan, Noncurrent View
Payment for Pension Benefits View
Preferred Stock, Dividend Rate, Percentage View
Preferred Stock, Par or Stated Value Per Share View
Preferred Stock, Shares Authorized View
Preferred Stock, Shares Issued View
Preferred Stock, Value, Issued View
Prepaid Expense and Other Assets, Current View
Prepaid Expense and Other Assets, Noncurrent View
Price Risk Cash Flow Hedge Derivative, at Fair Value, Net View
Price Risk Fair Value Hedge Derivative, at Fair Value, Net View
Proceeds from Issuance of Secured Debt View
Proceeds from Issuance of Secured Tax Exempt Debt View
Proceeds from Issuance of Unsecured Debt View
Proceeds from Issuance or Sale of Equity View
Proceeds from Legal Settlements View
Proceeds from Long-term Capital Lease Obligations View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from Sale of Debt Securities, Available-for-sale View
Proceeds from Sale of Intangible Assets View
Proceeds from Sale of Other Assets View
Proceeds from Sale of Other Investments View
Proceeds from Sale of Productive Assets View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Sale of Short-term Investments View
Proceeds from Secured Notes Payable View
Proceeds from Stock Options Exercised 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 and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization View
Property, Plant and Equipment, Gross View
Property, Plant and Equipment, Net View
Property, Plant and Equipment, Other, Gross View
Property, Plant and Equipment, Other, Accumulated Depreciation View
Property, Plant and Equipment, Other, Net View
Property, Plant, and Equipment, Owned, Accumulated Depreciation View
Property, Plant, and Equipment, Salvage Value View
Receivables, Net, Current View
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax View
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent View
Reclassification from AOCI, Current Period, Tax View
Recorded Unconditional Purchase Obligation, to be Paid, after Year Five View
Recorded Unconditional Purchase Obligation, to be Paid, Year Five View
Recorded Unconditional Purchase Obligation, to be Paid, Year Four View
Recorded Unconditional Purchase Obligation, to be Paid, Year Two View
Recorded Unconditional Purchase Obligation, to be Paid, Year Three View
Recorded Unconditional Purchase Obligation, Minimum Quantity Required View
Reorganization Items View
Repayments of Debt and Lease Obligation View
Repayments of Long-term Debt View
Restricted Cash and Cash Equivalents View
Restricted Cash and Investments, Current View
Restricted Cash, Current View
Restricted Stock, Value, Shares Issued Net of Tax Withholdings View
Restructuring Reserve, Accrual Adjustment (Deprecated 2016-01-31) View
Restructuring Reserve, Period Expense (Deprecated 2012-01-31) View
Restructuring Reserve, Settled With Cash (Deprecated 2013-01-31) View
Restructuring Reserve, Settled Without Cash (Deprecated 2013-01-31) View
Restructuring Reserve, Settled without Cash (Deprecated 2016-01-31) View
Retained Earnings (Accumulated Deficit) View
Revenue from Contract with Customer, Excluding Assessed Tax 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
Sale and Leaseback Transaction, Gain (Loss), Net View
Sale Leaseback Transaction, Net Proceeds (Deprecated 2014-01-31) View
Sale Leaseback Transaction, Net Proceeds, Financing Activities View
Sale Leaseback Transaction, Net Proceeds, Investing Activities View
Sale Leaseback Transaction, Rent Expense View
Revenue, Net (Deprecated 2018-01-31) View
Sales Revenue, Services, Other (Deprecated 2018-01-31) View
Sales Revenue, Services, Net (Deprecated 2018-01-31) View
Selling and Marketing Expense View
Selling Expense View
Severance Costs View
Share-based Payment Arrangement, Noncash Expense View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value (Deprecated 2012-01-31) 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, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value View
Shares Issued, Price Per Share View
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation View
Short-term Investments View
Special Assessment Bond, Noncurrent View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity Note, Stock Split, Conversion Ratio View
Stock Issued During Period, Shares, Acquisitions View
Stock Issued During Period, Shares, Conversion of Convertible Securities View
Stock Issued During Period, Shares, New Issues View
Stock Issued During Period, Shares, Other View
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture View
Stock Issued During Period, Value, Acquisitions View
Stock Issued During Period, Value, Conversion of Convertible Securities View
Stock Issued During Period, Value, New Issues View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Stock Repurchased and Retired During Period, Value View
Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31) View
Stock Repurchase Program, Authorized Amount View
Stock Repurchase Program, Remaining Authorized Repurchase Amount View
Tax Credit Carryforward, Amount View
Tax Credit Carryforward, Deferred Tax Asset (Deprecated 2015-01-31) View
Tax Cuts and Jobs Act, Income Tax Expense (Benefit) View
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect View
Temporary Equity, Interest in Subsidiary Earnings View
Transfer from Investments View
Treasury Stock Acquired, Average Cost Per Share View
Treasury Stock, Retired, Cost Method, Amount View
Treasury Stock, Shares View
Treasury Stock, Value View
Unrecognized Tax Benefits View
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate View
Unusual or Infrequent Item, or Both, Insurance Proceeds View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount View
Variable Lease, Cost View
Weighted Average Number Diluted Shares Outstanding Adjustment View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic and Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Write off of Deferred Debt Issuance Cost View
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax View
Payments for Construction in Process View
Treasury Stock, Shares, Retired View
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants View
Tax Adjustments, Settlements, and Unusual Provisions View
Other Investments View
Accounts Receivable, after Allowance for Credit Loss, Current View
Capital Expenditures Incurred but Not yet Paid View
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments View
Noncash or Part Noncash Acquisition, Investments Acquired View
1425740 View
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation View
Airline Related Inventory, Net 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, Net Minimum Payments View
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Accumulated Depreciation View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Gross View
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Flight Equipment, Net View
Deferred Credits and Other Liabilities View
Deferred Tax Assets, Deferred Gain on Sale Leaseback Transaction View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits View
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate (Deprecated 2017-01-31) View
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount View
Employee-related Liabilities, Current View
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount View
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) View
Equity Securities, FV-NI, Unrealized Gain (Loss) View
Finite-Lived Intangible Assets, Amortization Expense (Deprecated 2012-01-31) View
Foreign Currency Transaction Gain (Loss), Realized View
Foreign Currency Transaction Loss, before Tax View
Frequent Flier Liability, Current View
Frequent Flier Liability, Noncurrent View
Increase (Decrease) in Inventories View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities View
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months 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
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2012-01-31) View
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax 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
Payments for (Proceeds from) Short-term Investments View
Payment for Debt Extinguishment or Debt Prepayment Cost View
Payments of Debt Issuance Costs View
Payments of Ordinary Dividends View
Proceeds from Issuance of Common Stock View
Proceeds from Issuance of Long-term Debt View
Recorded Unconditional Purchase Obligation, to be Paid, Year One View
Restructuring and Related Cost, Number of Positions Eliminated View
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent View
Restructuring Charges View
Restructuring Costs and Asset Impairment Charges View
Restructuring Reserve View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) View
Stock Repurchased and Retired During Period, Shares View
Increase (Decrease) in Accounts Payable View