Statement of Comprehensive Income [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] AA [Member] American Airlines, Inc [Member] American Airlines, Inc [Member] Statement [Line Items] Statement [Line Items] Net income (loss) Net Income (Loss) Attributable to Parent Defined benefit pension plans and retiree medical: Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent [Abstract] Amortization of actuarial gain and prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Derivative financial instruments: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax [Abstract] Change in fair value Other Comprehensive Income, Derivative Instruments, Changes In Fair Value Other comprehensive income, derivative instruments, changes in fair value Reclassification into earnings Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Unrealized gain (loss) on investments: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, [Abstract] Net change in value Other Comprehensive Income, Gain (Loss) On Investment, Changes In Fair Value Other comprehensive income, gain (loss) on investment, changes in fair value Other comprehensive loss before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Non-cash tax provision Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings Per Share [Abstract] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Stock Compensation Awards [Member] Stock Compensation Awards [Member] Stock Compensation Awards [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Convertible Debt Securities [Member] Convertible Debt Securities [Member] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Net income (loss) Net Income (Loss) Available to Common Stockholders, Basic Weighted-average shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Basic EPS (usd per share) Earnings Per Share, Basic Change in fair value of conversion feature on 7.25% convertible senior notes Interest on Convertible Debt, Net of Tax Net income (loss) for purposes of computing diluted EPS Net Income (Loss) Available to Common Stockholders, Diluted Dilutive effect of stock awards (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Assumed conversion of 7.25% convertible senior notes (shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Weighted average common shares outstanding - as adjusted (shares) Weighted Average Number of Shares Outstanding, Diluted Diluted EPS (usd per share) Earnings Per Share, Diluted Stock options, SARs and RSUs because inclusion would be antidilutive (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Reorganizations [Abstract] Bankruptcy [Table] Bankruptcy [Table] Bankruptcy [Table] Reorganization [Line Items] Reorganization [Line Items] Reorganization [Line Items] Reorganization Items, Net Reorganization Items [Abstract] Aircraft and facility financing renegotiations and rejections Reorganization Items Aircraft Financing Renegotiations And Rejections Aircraft Financing Renegotiations And Rejections Professional fees Debtor Reorganization Items, Legal and Advisory Professional Fees Other Reorganization Items, Other Reorganization Items, Other Total reorganization items, net Reorganization Items Statement of Cash Flows [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures and aircraft purchase deposits Payments to Acquire Productive Assets Increase in short-term investments Payments for (Proceeds from) Short-term Investments Decrease (increase) in restricted cash and short-term investments Decrease (Increase) In Restricted Cash And Short Term Investments Decrease (Increase) In Restricted Cash And Short Term Investments Net proceeds from slot transaction Proceeds from Sale of Other Assets Proceeds from sale of property and equipment Payments for (Proceeds from) Productive Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payments on long-term debt and capital leases Repayments Of Long Term Debt And Capital Lease Obligations The cash outflow for debt and for leases meeting the criteria for capitalization, initially having maturity due after one year or beyond the normal operating cycle, if longer. Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Funds transferred to affiliates Funds Transferred To Affiliates, Net Funds Transferred To Affiliates, Net Payments of employee withholding taxes on net share issuances Payments Related to Tax Withholding for Share-based Compensation Exercise of stock options Proceeds from Stock Options Exercised Deferred financing costs Payments of Financing Costs Sale-leaseback transactions Sale Leaseback Transaction, Net Proceeds Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net increase in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash at beginning of period Cash and Cash Equivalents, at Carrying Value Cash at end of period Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Settlement of bankruptcy settlement obligation Other Significant Noncash Transaction, Bankruptcy Settlement Obligation Other Significant Noncash Transaction, Bankruptcy Settlement Obligation Supplemental information: Supplemental Cash Flow Information [Abstract] Interest paid, net of amounts capitalized Interest Paid, Net Income tax paid Income Taxes Paid Emergence From Chapter 11 and Merger with US Airways Group Reorganization under Chapter 11 of US Bankruptcy Code Disclosure [Text Block] Loss Contingency, Information about Litigation Matters [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Legal Proceedings Legal Matters and Contingencies [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Prior Service Cost [Member] Prior Service Cost [Member] Prior Service Cost [Member] Actuarial Loss [Member] Actuarial Loss [Member] Actuarial Loss [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Pension And Retiree Medical Liability [Member] Pension And Retiree Medical Liability [Member] Pension And Retiree Medical Liability [Member] Derivative Financial Instruments [Member] Derivative Financial Instruments [Member] Derivative Financial Instruments [Member] Unrealized gain (loss) on investments [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member] Amounts reclassified from accumulated other comprehensive income (loss) Amounts reclassified from accumulated other comprehensive income (loss) Amounts reclassified from accumulated other comprehensive income (loss) Investments And Fair Value Measurements [Abstract] Investments And Fair Value Measurements Abstract. Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Investment Investment [Table Text Block] Bankruptcy Proceedings [Abstract] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) [Member] Internal Revenue Service (IRS) [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2013 AAG Incentive Award Plan [Member] 2013 AAG Incentive Award Plan [Member] 2013 AAG Incentive Award Plan [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Preferred Class A [Member] Preferred Class A [Member] Common Stock [Member] Common Stock [Member] Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Merger common stock conversion ratio Business Combination, Common Stock Conversion Ratio Business Combination, Common Stock Conversion Ratio Common stock, shares authorized (shares) Common Stock, Shares Authorized Preferred stock, shares authorized (shares) Preferred Stock, Shares Authorized Preferred stock, par or stated value per share (usd per share) Preferred Stock, Par or Stated Value Per Share Number of common stock authorized for issuance (shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common shares authorized to be distributed to debtor's stakeholders (percent) Percent of Common Shares Authorized to be Distributed to Debtor's Stakeholders Percent of Common Shares Authorized to be Distributed to Debtor's Stakeholders Percentage of Common Stock allocated to holders of unsecured claims, allowed interests and certain employees (percent) Percentage of Common Stock to AMR Claimholders and Certain Employees Percentage of Common Stock to AMR Claimholders and Certain Employees Percentage of common stock allocated to labor related claimholders (percent) Merger - Portion to Labor Related Claimholders Merger - Portion to Labor Related Claimholders Common stock allocated to labor related claimholders (shares) Merger, Shares Allocated To Labor Related Claimholders Merger, Shares Allocated to Labor Related Claimholders Common stock distributed to labor related claimholders (shares) Shares Distributed To Debtors' Stakeholders, Labor Related Claimholders Shares Distributed To Debtors' Stakeholders, Labor Related Claimholders Common stock withheld for required withholding taxes related to labor related claimholders (shares) Merger, Shares For Tax Withholding Related To Labor Related Claimholders Merger, Shares for Tax Withholding Related to Labor Related Claimholders Payments for payroll taxes associated with equity distributions to employees Cash Payments for Employee Stock Withholding Cash Payments for Employee Stock Withholding Common stock distributed to allowed interests holders of AMR (shares) Shares Distributed To Debtors' Stakeholders, Allowed Interests Holders Shares Distributed To Debtors' Stakeholders, Allowed Interests Holders Percentage of common stock distributed to allowed interests holders of AMR (percent) Merger - Portion to Existing Stockholders Merger - Portion to Existing Stockholders Number of days after effective date holders of claims are eligible to receive shares Number of Days after Effective Date Holders of Claims are Eligible to Receive Shares Number of Days after Effective Date Holders of Claims are Eligible to Receive Shares Maximum number of shares to be distributed in accordance with the Plan (shares) Maximum Number of Shares to be Distributed, per Plan Maximum Number of Shares to be Distributed, per Plan Pension Contributions Pension Contributions Payments to Satisfy Claims Payments to Satisfy Claims Payments to Satisfy Claims Cure payments to holders of secured debt Cure Payments to Holders of Secured Debt Cure Payments to Holders of Secured Debt Payments Related to Tax Withholding for Share-based Compensation Expected reduction in maximum number of shares to be distributed, per plan (shares) Expected Reduction in Maximum Number of Shares to be Distributed, per Plan Expected Reduction in Maximum Number of Shares to be Distributed, per Plan Number of common shares distributed to holders of US Airways Group common stock (shares) Number of Common Shares Distributed to Holders of US Airways Group Common Stock Number of Common Shares Distributed to Holders of US Airways Group Common Stock Reserve for disputed claims Reserve for Disputed Claims Reserve for Disputed Claims Convertible preferred stock, shares reserved for future issuance (shares) Convertible Preferred Stock, Shares Reserved for Future Issuance Federal NOL carryforwards, maximum allowable utilization Net Operating Losses, Maximum Allowable Utilization Net Operating Losses, Maximum Allowable Utilization Plan of reorganization additional estimated allowed claim amounts Plan of Reorganization, Additional Estimated Allowed Claims Plan of Reorganization additional estimated allowed claim amounts Schedule of Reorganization Items Schedule Of Reorganization Items [Table Text Block] Schedule Of Reorganization Items [Table Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Indebtedness Debt Disclosure [Text Block] US Airways Group (Parent Company Only) [Member] US Airways Group [Member] US Airways Group [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secured Debt [Member] Secured Debt [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class A [Member] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class A [Member] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class A [Member] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class B [Member] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class B [Member] Enhanced Equipment Trust Certificate (EETC), Series 2013-1 Class B [Member] Convertible Senior Notes, 7.25, Due in 2014 [Member] Convertible Senior Notes, 7.25, Due in 2014 [Member] Convertible Senior Notes, 7.25, Due in 2014 [Member] Repayments of long-term debt Repayments of Long-term Debt Stated interest rate percentage (percent) Debt Instrument, Interest Rate, Stated Percentage Redemption price (percent) Debt Instrument, Redemption Price, Percentage Notes Payable Notes Payable other current liabilities Other Liabilities, Current Related Party Transactions [Abstract] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Pension and retiree medical liability Accumulated Defined Benefit Plans Adjustment [Member] Unrealized gain/(loss) on investments Derivative financial instruments Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income (Loss) Net Of Tax [Roll Forward] Accumulated Other Comprehensive Income (Loss) Net Of Tax [Roll Forward] Accumulated Other Comprehensive Income (Loss) Net Of Tax [Roll Forward] Balance, before Tax Accumulated Other Comprehensive Income (Loss), before Tax Balance, Tax Accumulated Other Comprehensive Income (Loss), Tax Accumulated Other Comprehensive Income (Loss), Tax Balance, Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss), before reclassifications, before Tax Other Comprehensive Income (Loss), before Reclassifications, before Tax Other comprehensive income (loss), before reclassifications, Tax Other Comprehensive Income (Loss), before Reclassifications, Tax Other Comprehensive Income (Loss), before Reclassifications, Tax Other comprehensive income (loss), before reclassifications, net of Tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income (loss), before Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Amounts reclassified from accumulated other comprehensive income (loss), Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax Amounts reclassified from accumulated other comprehensive income (loss), net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Net current-period other comprehensive income (loss), Tax Net current-period other comprehensive income (loss), net of Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Balance, before Tax Balance, Tax Balance, Net of Tax Accounting Policies [Abstract] Accounting Policies [Table] Accounting Policies [Table] Accounting Policies [Table] Accounting Policies [Line Items] Accounting Policies [Line Items] [Line Items] for Accounting Policies [Table] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Derivative [Line Items] Derivative [Line Items] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Derivatives Offsetting Disclosures Derivatives Offsetting Disclosures [Table Text Block] Derivatives Offsetting Disclosures [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Historical [Member] Scenario, Previously Reported [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Operating revenues Revenues [Abstract] Mainline passenger Passenger Revenue, Mainline Regional passenger Passenger Revenue, Regional Cargo Cargo and Freight Revenue Other Other Revenue, Net Total operating revenues Sales Revenue, Services, Net Operating expenses Operating Expenses [Abstract] Aircraft fuel and related taxes Fuel Costs Salaries, wages and benefits Labor and Related Expense Regional expenses Regional Operating Expenses Regional Operating Expenses Maintenance, materials and repairs Aircraft Maintenance, Materials, and Repairs Other rent and landing fees Landing Fees and Other Rentals Aircraft rent Aircraft Rental Selling expenses Selling Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Special items, net Special Charges Special Charges. Other Other Cost and Expense, Operating Total operating expenses Costs and Expenses Operating income Operating Income (Loss) Nonoperating income (expense) Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense, net Interest Expense Other, net Other Nonoperating Income (Expense) Total nonoperating expense, net Nonoperating Income (Expense) Organization, Consolidation and Presentation of Financial Statements [Abstract] Condensed Financial Statements [Table] Condensed Financial Statements [Table] American Airlines Group (Parent Company Only) [Member] American Airlines Group [Member] American Airlines Group [Member] US Airways [Member] US Airways [Member] US Airways [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Eliminations and Reclassifications [Member] Intersegment Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Net income (loss) Comprehensive income (loss) Components Of Long-Term Debt Schedule of Debt [Table Text Block] Gross asset Derivative Asset, Fair Value, Amount Not Offset Against Collateral Gross liability Derivative Liability, Fair Value, Amount Not Offset Against Collateral Net recognized asset (liability) in condensed consolidated balance sheet Cash Flow Hedge Derivative Instrument, Net Assets (Liabilities), at Fair Value Cash Flow Hedge Derivative Instrument, Net Assets (Liabilities), at Fair Value Financial instruments Cash Flow Hedge Derivative Instrument Liabilities at Fair Value Cash collateral received (posted) Collateral Already Posted, Aggregate Fair Value Net amount Cash Flow Hedge Derivative Instruments - Total, including offset Cash Flow Hedge Derivative Instruments - Total, including offset Components Of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Statement of Financial Position [Abstract] Stockholders’ equity (deficit) Stockholders' Equity Attributable to Parent [Abstract] Accumulated intangible amortization Finite-Lived Intangible Assets, Accumulated Amortization Common stock, shares issued (shares) Common Stock, Shares, Issued Common stock, shares outstanding (shares) Common Stock, Shares, Outstanding Financial Instruments And Risk Management Derivative Instruments and Hedging Activities Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] [Line Items] for Income Tax Disclosure [Table] Income Taxes Income Tax Disclosure [Text Block] Income Tax Examination [Table] Income Tax Examination [Table] State and Local Jurisdiction [Member] State and Local Jurisdiction [Member] Foreign Tax Authority and State and Local Jurisdiction [Member] Foreign Tax Authority and State and Local Jurisdiction [Member] Foreign Tax Authority and State and Local Jurisdiction [Member] Income Tax Examination [Line Items] Income Tax Examination [Line Items] NOL subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Unrecognized federal tax benefit Deferred Federal Income Tax Expense (Benefit) Alternative minimum tax Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Valuation allowance Deferred Tax Assets, Valuation Allowance Income tax special items, net Income Taxes, Extraordinary Items, Net Income Taxes, Extraordinary Items, Net Income tax provision (benefit) Income Tax Expense (Benefit) American Taxpayer Relief Act of 2012 credit American Taxpayer Relief Act of 2012 Credit American Taxpayer Relief Act of 2012 Credit Senior Notes [Member] Senior Notes [Member] Distributions made to holders Weighted Average Number of Shares, Ratio for previous shareholders prior to Reorganization Weighted Average Number of Shares, Ratio for previous shareholders prior to Reorganization Reduction in mandatory share distribution due to cash payment of employee withholding taxes (shares) Convertible Preferred Stock, Share Reduction in Mandatory Distribution due to Payment of Employee Withholding Taxes Convertible Preferred Stock, Share Reduction in Mandatory Distribution due to Payment of Employee Withholding Taxes Adjustment to net income (loss) for fair value of conversion feature for diluted earnings per share Increase in Net Income, Adjustment for Fair Value of Conversion Feature, Diluted Increase in Net Income, Adjustment for Fair Value of Conversion Feature, Diluted Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Debt Security [Axis] Debt Security [Axis] Major Types of Debt Securities [Domain] Major Types of Debt Securities [Domain] Maturity Dates Exceeding One Year [Member] Maturity Dates Exceeding One Year [Member] Maturity Dates Exceeding One Year [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Carrying Value [Member] Reported Value Measurement [Member] Fair Value [Member] Estimate of Fair Value Measurement [Member] Repatriation Request Translation Rate [Axis] Repatriation Request Translation Rate [Axis] Repatriation Request Translation Rate [Axis] Repatriation Request Date [Domain] Repatriation Request Date [Domain] [Domain] for Repatriation Request Date [Axis] 4.3 Bolivars per Dollar [Member] 4.3 Bolivars per Dollar [Member] 4.3 Bolivars per Dollar [Member] 6.3 Bolivars per Dollar [Member] 6.3 Bolivars per Dollar [Member] 6.3 Bolivars per Dollar [Member] 10.7 Bolivars per Dollar [Member] 10.7 Bolivars per Dollar [Member] 10.7 Bolivars per Dollar [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Venezuelan bolívar fuerte Venezuelan bolívar fuerte Information by Financial Statement Line Item [Axis] Information by Financial Statement Line Item [Axis] Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Domain] Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Domain] Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Investments by Category [Axis] Investments by Category [Axis] Marketable Securities and Investments Held at Cost [Domain] Marketable Securities and Investments Held at Cost [Domain] Available-for-sale Securities [Member] Available-for-sale Securities [Member] Held-to-maturity Securities [Member] Held-to-maturity Securities [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Money Market Funds [Member] Money Market Funds [Member] US Government Agencies Debt Securities [Member] US Government Agencies Debt Securities [Member] Repurchase Agreements [Member] Repurchase Agreements [Member] Corporate Obligations [Member] Corporate Obligations [Member] Corporate Obligations [Member] Bank Notes/Certificates of Deposit/Time Deposits [Member] Bank Time Deposits [Member] Government Agency Investments [Member] Government Agency Investments [Member] Government Agency Investments [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Available-for-sale Securities Available-for-sale Securities Short-term investments Short-term Investments Restricted cash and short-term investments Restricted Cash and Investments, Current Fuel derivative contracts, net Cash Flow Hedge Derivative Instrument Assets At Fair Value, Net Cash Flow Hedge Derivative Instrument Assets At Fair Value, Net Fair value of assets and liabilities measured on recurring basis Fair Value of Assets and Liabilities Measured on Recurring Basis Fair Value of Assets and Liabilities Measured on Recurring Basis Short-term investments, mature in more than one year Short-term Investments, Mature in More than One Year Short-term Investments, Mature in More than One Year Unrestricted cash balance held in Venezuelan blivars Asset, Reporting Currency Denominated, Value Foreign currency translation exchange rate Foreign Currency Exchange Rate, Translation Long-term debt, including current maturities Long-term Debt Increase Decrease In Restricted Cash And Short Term Investments Net cash used in investing activities Funds transferred from (to) affiliates Net cash provided by (used in) financing activities Net increase (decrease) in cash Document And Entity Information [Abstract] Document and Entity Information. Document Information [Table] Document Information [Table] Document Information [Line Items] Document Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Conversions of Stock Schedule of Conversions of Stock [Table Text Block] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Merger Agreement [Domain] Merger Agreement [Domain] [Domain] for Merger Agreement [Axis] US Airways Sabre Matter [Member] US Airways Sabre Matter [Member] US Airways Sabre Matter [Member] Airline Destinations [Axis] Airline Destinations [Axis] Airline Destination [Domain] Airline Destination [Domain] Boston Logan International Airport [Member] Boston Logan International Airport [Member] Boston Logan International Airport [Member] LaGuardia Airport [Member] LaGuardia [Member] LaGuardia [Member] DCA [Member] Washington Reagan National Airport [Member] Washington Reagan National Airport [Member] Required period to divest and not reacquire assets Loss Contingency, Settlement Agreement, Period Loss Contingency, Settlement Agreement, Period Settlement agreement, slot pairs divested Loss Contingency, Settlement Agreement, Slot Pairs Divested Loss Contingency, Settlement Agreement, Slot Pairs Divested Assets sold under bankruptcy agreement Loss Contingency, Settlement Agreement, Number of Gates Divested Loss Contingency, Settlement Agreement, Number of Gates Divested Number of counts allowed to proceed (claims) Loss Contingency, Pending Claims, Number Number of complaints filed (claims) Loss Contingency, New Claims Filed, Number Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Retirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Special Items Restructuring and Related Activities Disclosure [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] American Airlines Group [Member] Parent [Member] Envoy Aviation Group Inc [Member] Envoy Aviation Group Inc [Member] Envoy Aviation Group Inc [Member] Other American Airlines Group subsidiaries [Member] Subsidiaries [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Due to (due from) related parties Related Party Transaction, Due from (to) Related Party Related Party Transactions Related Party Transactions Disclosure [Text Block] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Abstract] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Mandatorily Convertible Preferred Stock and Other Bankruptcy Settlement Obligations Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations Disclosure [Text Block] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations Disclosure [Text Block] Basis of Presentation - Consolidation Consolidation, Policy [Policy Text Block] Chapter 11 Matters Basis of Financial Statement Presentation in Chapter 11 [Policy Text Block] Basis of Financial Statement Presentation in Chapter 11 [Policy Text Block] Computations Of Basic And Diluted Earnings (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Regional Operating Expenses [Abstract] Regional Operating Expenses [Abstract] Products and Services [Table] Products and Services [Table] Product Information [Line Items] Product Information [Line Items] Aircraft fuel and related taxes Regional Operating Expenses, Fuel Costs Regional Operating Expenses, Fuel Costs Salaries, wages and benefits Regional Operating Expenses, Labor and Related Expense Regional Operating Expenses, Labor and Related Expense Capacity purchases from third-party regional carriers Regional Operating Expenses, Capacity Purchases Regional Operating Expenses, Capacity Purchases Maintenance, materials and repairs Regional Operating Expenses, Aircraft Maintenance, Materials, and Repairs Regional Operating Expenses, Aircraft Maintenance, Materials, and Repairs Other rent and landing fees Regional Operating Expenses, Landing Fees and Other Rentals Regional Operating Expenses, Landing Fees and Other Rentals Aircraft rent Regional Operating Expenses, Aircraft Rental Regional Operating Expenses, Aircraft Rental Selling expenses Regional Operating Expenses, Selling Expense Regional Operating Expenses, Selling Expense Depreciation and amortization Regional Operating Expenses, Depreciation, Depletion and Amortization, Nonproduction Regional Operating Expenses, Depreciation, Depletion and Amortization, Nonproduction Special items, net Regional Operating Expenses, Special Charges Regional Operating Expenses, Special Charges Other Regional Operating Expenses, Other Cost and Expense, Operating Regional Operating Expenses, Other Cost and Expense, Operating Total regional expenses Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Fuel Derivative Contracts [Member] Fuel Derivative Contracts [Member] Fuel Derivative Contracts [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Amount of gain (loss) reclassified from accumulated OCI into income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of gain (loss) recognized in income on derivative Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net Amount of gain (loss) recognized in condensed consolidated statements of operations Derivative, Gain (Loss) on Derivative, Net Amount of gain (loss) recognized in OCI on derivative Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries Condensed Financial Statements [Text Block] Pension Plans [Member] Pension Plan, Defined Benefit [Member] Employer contributions Defined Benefit Plan, Contributions by Employer Income Statement [Abstract] Interest expense, net of capitalized interest Income (loss) before reorganization items, net Income (Loss) Before Reorganization Items, Net Income (loss) before reorganization items, net Reorganization items, net Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Net income (loss) Earnings (loss) per share Basic (usd per share) Diluted (usd per share) Weighted average shares outstanding (in thousands) Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (in shares) Diluted (in shares) Investments and Fair Value Measurements Investments And Fair Value Measurements [Text Block] Investments And Fair Value Measurements Text Block. Airline Destination [Table] Airline Destination [Table] Airline Destination Disclosure [Line Items] Airline Destination Disclosure [Line Items] Regional Expenses Regional Operating Expenses [Text Block] Regional Operating Expenses [Text Block] Schedule of Restructuring Reserve by Type of Restructuring [Table] Mainline operating special items, net Mainline Operating Expenses, Special Charges Mainline Operating Expenses, Special Charges Gain related to sale of DCA slots Gain (Loss) on Disposition of Other Assets Fair value adjustments for bankruptcy settlement obligations Increase (Decrease) in Fair Value, Bankruptcy Settlement Obligations Increase (Decrease) in Fair Value, Bankruptcy Settlement Obligations Integration related costs Business Combination, Integration Related Costs Non-cash compensation expense Allocated Share-based Compensation Expense Operating special items expense Operating Special Items Income (Expense) Operating Special Items Income (Expense) Workers' compensation claims Workers Compensation Charges Workers Compensation Charges Regional operating special items, net Nonoperating special items, net Nonoperating Special Items Income (Expense) Nonoperating Special Items Income (Expense) Reorganization items, net Interest accretion, bankruptcy settlement obligations Accretion Expense, Bankruptcy Settlement Obligations Accretion Expense, Bankruptcy Settlement Obligations Nonmonetary notional amount Derivative, Nonmonetary Notional Amount Higher remaining maturity range Derivative, Higher Remaining Maturity Range Minimum R-squared percentage in fuel hedge contracts (percent) General Fair Value Hedge Information, Minimum R Square, Percentage Minimum dollar offset correlation (percent) General Fair Value Hedge Information, Dollar Offset Threshold, Minimum Maximum dollar offset correlation (percent) General Fair Value Hedge Information, Dollar Offset Threshold, Maximum Price risk cash flow hedge derivative, at fair value Price Risk Cash Flow Hedge Derivative, at Fair Value, Net Estimate of time to transfer Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer Estimated net amount to be transferred Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Mandatorily Convertible Preferred Stock and Other Bankruptcy Settlement Obligations [Table] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Table] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Special Items, Net [Member] Special Items, Net [Member] Special Items, Net [Member] Mandatorily Convertible Preferred Stock and Other Bankruptcy Settlement Obligations [Line Items] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Line Items] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Line Items] AAG Series A Preferred Stock Preferred Stock, Value, Issued Single-Dip equity obligations Equity Obligations, Single-Dip Unsecured Creditors Equity Obligations, Single-Dip Unsecured Creditors Single-Dip and Double-Dip equity obligations Equity Obligations, Single-Dip and Double-Dip Unsecured Creditors Equity Obligations, Single-Dip and Double-Dip Unsecured Creditors Labor-related deemed claim Labor Related Deemed Claim Labor Related Deemed Claim Total AAG Mandatorily Convertible Preferred Stock AAG Mandatorily Convertible Preferred Stock Preferred stock dividends rate per annum (percent) Preferred Stock, Dividend Rate, Percentage Conversion discount for unsecured creditors receiving AAG Preferred Stock (percent) Merger - Discount on Conversion Price of New American Stock Merger - Discount on Conversion Price of New American Stock Series A Convertible Preferred Stock, conversion price floor (in usd per share) Series A Convertible Preferred Stock, Conversion Price, Floor Series A Convertible Preferred Stock, Conversion Price, Floor Series A Convertible Preferred Stock, conversion price cap (in usd per share) Series A Convertible Preferred Stock, Conversion Price, Maximum Series A Convertible Preferred Stock, Conversion Price, Max Shares converted (shares) Conversion of Stock, Shares Converted Optional conversion of AAG Series A Preferred Stock into shares of AAG Common Stock on December 17, 2013 (shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Decrease in mandatory convertible preferred stock obligation Increase (Decrease) in Mandatory Convertible Preferred Stock Obligation Increase (Decrease) in Mandatory Convertible Preferred Stock Obligation Dividend rate for single-dip unsecured claims not settled in Preferred Stock (percent) Dividend Rate for Single-Dip Unsecured Claims Not Settled In Preferred Stock Dividend Rate for Single-Dip Unsecured Claims Not Settled In Preferred Stock Labor-related deemed claim Reorganization Items, Labor-related Deemed Claim Reorganization Items, Labor-related Deemed Claim Value of initial distribution of common stock Common Stock, Value of Initial Distribution Common Stock, Value of Initial Distribution Decrease in mandatory convertible preferred stock obligation and other bankruptcy settlement obligations Increase (Decrease) in Mandatory Convertible Preferred Stock Obligation and Other Bankruptcy Settlement Obligations Increase (Decrease) in Mandatory Convertible Preferred Stock Obligation and Other Bankruptcy Settlement Obligations Reserve for disputed claims Bankruptcy Claims, Reserve for Disputed Claims Bankruptcy Claims, Reserve for Disputed Claims Stock issued per $1,000 in claims (shares) Stock Issued During Period, Shares, Per $1,000 in Claims Stock Issued During Period, Shares, Per $1,000 in Claims Summary of Reclassifications Between Financial Statement Line Items to Conform to New Financial Statement Presentation Business Combination, Reclassification Information [Table Text Block] Business Combination, Reclassification Information [Table Text Block] Components Of Company's Special Charges Restructuring and Related Costs [Table Text Block] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Condensed Consolidating Statement of Operations Condensed Income Statement [Table Text Block] Condensed Consolidating Statement of Comprehensive Income Comprehensive Income (Loss) [Table Text Block] Condensed Consolidating Balance Sheet Condensed Balance Sheet [Table Text Block] Business Combinations [Abstract] Noncash or Part Noncash Divestitures [Table] Noncash or Part Noncash Divestitures [Table] Noncash or Part Noncash Divestitures [Line Items] Noncash or Part Noncash Divestitures [Line Items] Slot Divestiture Mergers, Acquisitions and Dispositions Disclosures [Text Block] Regional Expenses Regional Operating Expenses [Table Text Block] Regional Operating Expenses [Table Text Block] Earnings (Loss) Per Share Earnings Per Share [Text Block] Unsecured Debt [Member] Unsecured Debt [Member] Secured variable and fixed rate indebtedness due through 2023 [Member] Secured Variable And Fixed Rate Indebtedness Due Two Thousand Twenty Three [Member] Secured Variable And Fixed Rate Indebtedness Due Two Thousand Twenty Three [Member] Enhanced Equipment Trust Certificates Due Two Thousand Twenty Five [Member] Enhanced Equipment Trust Certificates Due Two Thousand Twenty Five [Member] Enhanced Equipment Trust Certificates Due Two Thousand Twenty Five [Member] Special Facility Revenue Bonds, Due Through 2031 [Member] Special Facility Revenue Bonds, Due Through 2031 [Member] Special Facility Revenue Bonds, Due Through 2031 [Member] 7.50% Senior Secured Notes Due 2016 [Member] Seven Point Five Zero Percentage Senior Secured Notes Due Two Thousand Sixteen [Member] Seven Point Five Zero Percentage Senior Secured Notes Due Two Thousand Sixteen [Member] Senior Secured Credit Facility, Due 2019 [Member] Senior Secured Credit Facility, Due 2019 [Member] Senior Secured Credit Facility, Due 2019 [Member] AAdvantage Miles Advance Purchase [Member] Aadvantage Miles Advance Purchase [Member] AAdvantage Miles Advance Purchase [Member] Other Secured Obligations, Fixed Rate [Member] Other Secured Obligations, Fixed Rate [Member] Other Secured Obligations, Fixed Rate [Member] Credit Facility, Tranche B-1, Citicorp 2013 [Member] Credit Facility, Tranche B-1, Citicorp 2013 [Member] Credit Facility, Tranche B-1, Citicorp 2013 [Member] Credit Facility, Tranche B-2, Citicorp 2013 [Member] Credit Facility, Tranche B-2, Citicorp 2013 [Member] Credit Facility, Tranche B-2, Citicorp 2013 [Member] Aircraft Enhanced Equipment Trust Certificates [Member] Aircraft Enhanced Equipment Trust Certificates [Member] Aircraft Enhanced Equipment Trust Certificates [Member] Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Senior Notes, 6.125, Due in 2018 [Member] Senior Notes, 6.125, Due in 2018 [Member] Senior Notes, 6.125, Due in 2018 [Member] Industrial Development Bonds, 6.30, Due in 2023 [Member] Industrial Development Bonds, 6.30, Due in 2023 [Member] Industrial Development Bonds, 6.30, Due in 2023 [Member] Affiliate Unsecured Obligations [Member] Affiliate Unsecured Obligations [Member] Affiliate Unsecured Obligations [Member] Total long-term debt and capital lease obligations Debt and Capital Lease Obligations Less: total unamortized debt discount Debt Instrument, Unamortized Discount Current maturities of long-term debt and capital leases Long-term Debt and Capital Lease Obligations, Current Long-term debt and capital lease obligations, net of current maturities Long-term Debt and Capital Lease Obligations Effective interest rate percentage - minimum (percent) Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum Effective interest rate percentage - maximum (percent) Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum Percentage of debt instrument interest rate - minimum (percent) Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Percentage of debt instrument interest rate - maximum (percent) Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum Variable interest rate percentage (percent) Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate Interest rate at period end (percent) Debt Instrument, Interest Rate at Period End Effective interest rate percentage (percent) Debt Instrument, Interest Rate, Effective Percentage Conversion of Stock [Table] Conversion of Stock [Table] Series A Convertible Preferred [Member] Series A Convertible Preferred [Member] Series A Convertible Preferred [Member] Preferred Stock [Member] Preferred Stock [Member] Conversion of Stock [Line Items] Conversion of Stock [Line Items] Shares converted (shares) Increase (decrease) in AAG common shares outstanding (shares) Single-dip distribution (shares) Shares Issued During Period, Single-dip Distribution Shares Issued During Period, Single-dip Distribution Labor distribution (shares) Shares Issued During Period, Labor Distribution Shares Issued During Period, Labor Distribution Legacy AAMRQ holders (shares) Shares Issued During Period, Legacy AAMRQ Holders Shares Issued During Period, Legacy AAMRQ Holders John F. Kennedy Airport [Member] John F. Kennedy Airport [Member] John F. Kennedy Airport [Member] Number of slots sold, John F. Kennedy Airport (slots) Number of Slots Received Number of Slots Received Mainline passenger Regional passenger Cargo Total operating revenues Aircraft fuel and related taxes Salaries, wages and benefits Maintenance, materials and repairs Other rent and landing fees Aircraft rent Selling expenses Depreciation and amortization Total operating expenses Operating income (loss) Nonoperating income (expense) Interest income Equity in earnings of subsidiaries Temporary Equity, Interest in Subsidiary Earnings Total nonoperating income (expense), net Income (loss) before income taxes ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Cash Accounts receivable, net Receivables, Net, Current Receivables from related parties,net Due from Related Parties, Current Aircraft fuel, spare parts and supplies, net Airline Related Inventory, Net Prepaid expenses and other Other Assets, Current Total current assets Assets, Current Operating property and equipment Property, Plant and Equipment, Net Other assets Other Assets [Abstract] Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Goodwill Goodwill Intangibles, net of accumulated amortization Indefinite-Lived Slots and Routes Other assets Other Assets, Noncurrent Total other assets Other Assets Total assets Assets Liabilities, Noncurrent [Abstract] Liabilities, Noncurrent [Abstract] Long-term debt and capital leases, net of current maturities Pension and postretirement benefits Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Mandatorily convertible preferred stock and other bankruptcy settlement obligations Negative investment in subsidiaries Negative Investments In Subsidiaries Negative Investments In Subsidiaries Other liabilities Other Accrued Liabilities, Noncurrent Total noncurrent liabilities Liabilities, Noncurrent LIABILITIES & STOCKHOLDERS’ EQUITY (DEFICIT) Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Payable to affiliates Accounts Payable, Related Parties, Current Air traffic liability Deferred Air Traffic Revenue, Current Frequent flyer liability Frequent Flier Liability, Current Other accrued liabilities Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity (deficit) Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity (deficit) Liabilities and Equity Mandatorily Convertible Preferred Stock and Other Bankruptcy Settlement Obligations Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Table Text Block] Mandatorily Convertible Preferred Stock And Other Bankruptcy Settlement Obligations [Table Text Block] ASSETS Current assets Total current assets Operating property and equipment Property, Plant and Equipment, Net [Abstract] Flight equipment Flight Equipment Owned, Gross Ground property and equipment Property, Plant and Equipment, Other, Gross Equipment purchase deposits Deposits on Flight Equipment Total property and equipment, at cost Property, Plant and Equipment, Other, Net Less accumulated depreciation and amortization Property, Plant and Equipment, Other, Accumulated Depreciation Total property and equipment, net Other assets Other Assets, Noncurrent [Abstract] Total other assets Total assets Liabilities and Stockholders’ Equity (Deficit) Accrued salaries and wages Employee-related Liabilities, Current Accrued liabilities Accrued Liabilities, Current Total current liabilities Other Liabilities and Credits Other Liabilities And Credits [Abstract] Other Liabilities And Credits Abstract Deferred gains and credits, net Deferred gains and credits, net Deferred gains and credits, net Other liabilities Other Liabilities, Noncurrent Total noncurrent liabilities Commitments and contingencies Commitments and Contingencies Stockholders’ Equity (Deficit) Total stockholders' equity (deficit) Total Liabilities and Stockholders’ Equity (Deficit) Retiree Medical and Other Benefits [Member] Other Postretirement Benefit Plan, Defined Benefit [Member] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on assets Defined Benefit Plan, Expected Return on Plan Assets Settlements Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gains (Losses) Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost