2024 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two Senior Notes 5.000% Due 2022 Senior Notes 5.000% Due 2022 [Member] Senior Notes 5.000% Due 2022 [Member] Foreign Currency Gains and Losses Foreign Currency Transactions and Translations Policy [Policy Text Block] Finance leases: Finance Lease, Assets And Liabilities, Lessee [Abstract] Finance Lease, Assets And Liabilities, Lessee [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Deferred tax asset Deferred Income Tax Assets, Net Total long-term debt Total Long-term debt Long-Term Debt, Gross Property and equipment, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Average remaining life expectancy of retirees Defined Benefit Plan, Assumptions Used In Calculation, Average Remaining Life Expectancy Of Retirees Defined Benefit Plan, Assumptions Used In Calculation, Average Remaining Life Expectancy Of Retirees Receivables from related parties, net Related Party Transaction, Due from (to) Related Party, Current Deferred income tax provision (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Investments Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Republic Holdings Republic Airline Inc [Member] Republic Airline Inc [Member] Schedule of Accumulated Benefit Obligations Exceeding Fair Value of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] Non-proprietary improvements sold and transferred Property, Plant and Equipment, Accumulated Disposals Property, Plant and Equipment, Accumulated Disposals Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Debt Instrument [Axis] Debt Instrument [Axis] Total finance lease liabilities Finance Lease, Liability Investments Investment [Text Block] Maximum LTV Debt Instrument Collateral Covenant Maximum Loan To Value Ratio Debt Instrument, Collateral Covenant, Maximum Loan-to-Value Ratio Domestic Airport Slots and Airport Gate Leasehold Rights Domestic Airport Slots And Airport Gate Leasehold Rights [Member] Domestic Airport Slots And Airport Gate Leasehold Rights Fair Value Measurement [Domain] Fair Value Measurement [Domain] Financial Instruments [Domain] Financial Instruments [Domain] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate 2026 Finance Lease, Liability, to be Paid, Year Four Other rent and landing fees Landing Fees and Other Rentals Underlying Asset Class [Axis] Underlying Asset Class [Axis] Net deferred tax asset Deferred Tax Assets, Net Promissory Notes, PSP1 US Department Of The Treasury, CARES Act, Promissory Notes, Payroll Support Program One [Member] US Department Of The Treasury, CARES Act, Promissory Notes, Payroll Support Program One Leases Deferred Tax Assets, Leases Deferred Tax Assets, Leases Operating leases Operating Lease, Weighted Average Discount Rate, Percent Convertible debt, conversion terms, percentage of sales price exceeding conversion price Convertible Debt, Conversion Terms, Percentage Of Sales Price Exceeding Conversion Price Convertible Debt, Conversion Terms, Percentage Of Sales Price Exceeding Conversion Price Fixed interest rate per annum Debt Instrument, Interest Rate, Stated Percentage Common/collective trusts Defined Benefit Plan, Common Collective Trust [Member] Other Defined Benefit Plan, Other Investment [Member] Defined Benefit Plan, Other Investment [Member] Additional paid-in capital Additional Paid in Capital, Common Stock Proceeds from sale-leaseback transactions Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Other, net Other Noncash Income (Expense) Income taxes paid Income Taxes Paid 2027 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Five 2025 Finance Lease, Liability, to be Paid, Year Three Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount At-the-market Offering At-The-Market Offering [Member] At-The-Market Offering Document Information [Line Items] Document Information [Line Items] Equity Defined Benefit Plan, Equity Securities [Member] Operating Leases Lessee, Operating Lease, Liability, to be Paid [Abstract] 2028 and thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Secured Debt Secured Debt [Member] Ownership [Axis] Ownership [Axis] Investment, Name [Domain] Investment, Name [Domain] Payments on long-term debt and finance leases Repayments of Debt and Lease Obligation Sales Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Decrease for Sale Amortization of assets Finance Lease, Right-of-Use Asset, Amortization Related Party [Domain] Related Party [Domain] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Rehabilitation plan, percentage increase in company annual contributions Multiemployer Plans, Funding Improvement Plan And Rehabilitation Plan, Annual Percentage Increase In Contribution Rate By Employer Multiemployer Plans, Funding Improvement Plan And Rehabilitation Plan, Annual Percentage Increase In Contribution Rate By Employer 10.75% Senior Secured Notes 10.75% Senior Secured Notes [Member] 10.75% Senior Secured Notes High Yield and Emerging Markets Fixed Income Emerging Markets [Member] Fixed Income Emerging Markets [Member] Senior Secured LGA/DCA Notes 10.75% 10.75% Senior Secured Notes, LGA/DCA Notes [Member] 10.75% Senior Secured Notes, LGA/DCA Notes Fair value of plan assets at beginning of period Fair value of plan assets at end of period Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount 2021 JFK Bonds 2021 JFK Bonds [Member] 2021 JFK Bond Supplemental information: Supplemental Cash Flow Information [Abstract] Finance lease cost: Finance Lease, Cost1 [Abstract] Finance Lease, Cost1 [Abstract] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Plan Name [Domain] Plan Name [Domain] Equity component of convertible debt issued, net of tax and offering costs Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Total noncurrent liabilities Liabilities, Noncurrent Long-term line of credit Long-Term Line of Credit Entity Address, State or Province Entity Address, State or Province Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Award Type [Axis] Award Type [Axis] Atlantic Atlantic Destination [Member] Fleet equipment impairment and inventory write-down Fleet Equipment Impairment And Inventory Write-Down Fleet Equipment Impairment And Inventory Write-Down Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Number of aircraft financed by debt issuance Number of Aircraft Financed by Debt Issuance Number of aircraft financed by debt issuance. Debt instrument, conditional additional borrowing capacity Debt Instrument, Conditional Additional Borrowing Capacity Debt Instrument, Conditional Additional Borrowing Capacity Operating lease liabilities Current operating lease liabilities Less: Current obligations Operating Lease, Liability, Current SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Minimum required employer contributions, next fiscal year Defined Benefit Plan, Minimum Required Employer Contributions, Next Fiscal Year Defined Benefit Plan, Minimum Required Employer Contributions, Next Fiscal Year Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Operating expenses: Costs and Expenses [Abstract] Debt Conversion Scenario [Domain] Debt Conversion Scenario [Domain] Debt Conversion Scenario [Domain] Fixed Income Defined Benefit Plan, Debt Security [Member] B-787-8 B-787-8 [Member] B-787-8 Bank notes/certificates of deposit/time deposits Bank Time Deposits [Member] Rent expense Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Operating leases Operating Lease, Weighted Average Remaining Lease Term Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Schedule of Expected Future Service Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Reclassifications out of AOCI Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Other Operating Expenses Other Cost And Expense Operating [Policy Text Block] Other Cost And Expense Operating [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Unrealized Loss on Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Current income tax benefit: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Document Type Document Type SOFR Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Estimated useful life Property, Plant and Equipment, Useful Life Defined benefit plans: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Severance expenses Severance Costs Weighted Average Grant Date Fair Value, Beginning Balance (in dollars per share) Weighted Average Grant Date Fair Value, Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Finance Leases Finance Lease, Liability, to be Paid [Abstract] Deferred income tax provision (benefit) Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Marketing agreements Marketing-Related Intangible Assets [Member] Aircraft and Engine Purchase Commitments Purchase And Lease Commitments [Member] Purchase And Lease Commitments [Member] April 2016 Revolving Facility Credit Facility April 2016 [Member] Credit Facility April 2016 [Member] Airport development, amount Property, Plant & Equipment, Expected Cost Property, Plant & Equipment, Expected Cost AOCI tax, attributable to parent [Roll Forward] AOCI Tax, Attributable to Parent [Roll Forward] AOCI Tax, Attributable to Parent [Roll Forward] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Mandatory prepayment amount, threshold net proceeds from pre-paid frequent flyer Debt Instrument, Mandatory Prepayment Amount, Threshold Net Proceeds From Pre-paid Frequent Flyer Debt Instrument, Mandatory Prepayment Amount, Threshold Net Proceeds From Pre-paid Frequent Flyer Number of spare aircraft engines owned through financing under EETCs Number Of Spare Aircraft Engines Owned Enhanced Equipment Trust Certificate Number Of Spare Aircraft Engines Owned Enhanced Equipment Trust Certificate Debt Disclosure [Abstract] Debt Disclosure [Abstract] Accounts Receivable, Net Accounts Receivable [Policy Text Block] Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Unsecured Debt Unsecured Debt [Member] State, local and foreign income tax benefit, net of federal tax effect Effective Income Tax Rate Reconciliation, State, Local, And Foreign Income Taxes, Amount Effective Income Tax Rate Reconciliation, State, Local, And Foreign Income Taxes, Amount Less: Current maturities Long-Term Debt, Current Maturities Total PSP Financial Assistance, PSP2 US Department Of The Treasury, CARES Act, Payroll Support Program Two [Member] US Department Of The Treasury, CARES Act, Payroll Support Program Two Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Components of Valuation and Qualifying Accounts Schedule Of Valuation And Qualifying Accounts [Table Text Block] Schedule Of Valuation And Qualifying Accounts [Table Text Block] Accounting Policies [Abstract] Accounting Policies [Abstract] Total interest expense Interest Expense, Debt Grant, PSP1 US Department Of The Treasury, CARES Act, Grant, Payroll Support Program One [Member] US Department Of The Treasury, CARES Act, Grant, Payroll Support Program One Variable lease cost Variable Lease, Cost Line of Credit Line of Credit [Member] Fair value of plan assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Stockholders' equity (deficit) Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other Prepaid Expense and Other Assets, Current Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Private Equity Private Equity Funds [Member] Interest cost Defined Benefit Plan, Interest Cost Noncurrent finance lease liabilities Long-term lease obligations Finance Lease, Liability, Noncurrent Components of Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Schedule of Amortizable Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Entity Registrant Name Entity Registrant Name Multiemployer plan, funded status percentage (over) Multiemployer Plans, Funded Status, Percentage Multiemployer Plans, Funded Status, Percentage 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Subsequent Events Subsequent Events [Text Block] Unrecorded Unconditional Purchase Obligation [Line Items] Unrecorded Unconditional Purchase Obligation [Line Items] Senior Secured IP Notes 10.75% Due 2026 10.75% Senior Secured Notes, IP Notes [Member] 10.75% Senior Secured Notes, IP Notes Airport gate leasehold rights Airport Gate Leasehold Rights [Member] Airport Gate Leasehold Rights [Member] Benefit payments Defined Benefit Plan, Benefit Obligation, Benefits Paid Debt Conversion, Circumstance One Debt Conversion, Scenario One [Member] Debt Conversion, Scenario One Employee Benefit Plans Retirement Benefits [Text Block] Private Income Private Fixed Income [Member] Private Fixed Income [Member] Leases [Abstract] Leases [Abstract] Loyalty revenue - travel Loyalty Program, Travel Redemptions [Member] Loyalty Program, Travel Redemptions [Member] Asset Class [Domain] Asset Class [Domain] Minimum Minimum [Member] Debt instrument, conversion ratio Debt Instrument, Convertible, Conversion Ratio Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share PSP1 Warrants Warrants Issued, PSP1 Payroll Support Program One Warrants, CARES Act [Member] Payroll Support Program One Warrants, CARES Act Other comprehensive income (loss) before reclassifications, tax Other Comprehensive Income (Loss) before Reclassifications, Tax SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Investment, Name [Axis] Investment, Name [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Trading Symbol Trading Symbol Entity File Number Entity File Number Aircraft rent Aircraft Rental Proceeds from notes payable Proceeds from Secured Notes Payable 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Number of Shares, Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Income tax expense, effective rate Effective Income Tax Rate Reconciliation, Percent Schedule of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Proceeds from lines of credit Proceeds from Lines of Credit American Airlines, Inc. American Airlines, Inc [Member] American Airlines, Inc Operating leases: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Advertising expense Marketing and Advertising Expense Increase (decrease) in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Taxes Income Tax Disclosure [Text Block] Average interest rate Debt, Weighted Average Interest Rate Debt Instrument, Periodic Payment Debt Instrument, Periodic Payment Cash Equivalents Defined Benefit Plan, Cash and Cash Equivalents [Member] Credit Facility [Domain] Credit Facility [Domain] Warrants, number of warrant shares of common stock Class Of Warrant Or Right, Number Of Shares Called By Warrants, Authorized Class Of Warrant Or Right, Number Of Shares Called By Warrants, Authorized Capacity purchase agreement, percentage of reimbursement for certain variable costs Reimbursement Receivable Percentage Under Agreement Reimbursement receivable percentage under agreement. Equity method investment, number of shares acquired from investee (in shares) Equity Securities, FV-NI, Shares Acquired Equity Securities, FV-NI, Shares Acquired Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Labor contract expenses Other Labor-related Expenses Beginning balance, before tax Ending balance, before tax AOCI before Tax, Attributable to Parent Total fair value of stock-settled during the year Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Debt Conversion Scenario [Axis] Debt Conversion Scenario [Axis] Debt Conversion Scenario Lease Contractual Term [Axis] Lease Contractual Term [Axis] Ownership [Domain] Ownership [Domain] Airline Destination [Table] Airline Destination [Table] Entity Interactive Data Current Entity Interactive Data Current 2021 JFK Bonds, 3.00% Matures 2031 2021 JFK Bonds, 3.00% Matures 2031 [Member] 2021 JFK Bonds, 3.00% Matures 2031 Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Money market funds Money Market Funds [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] 2027 Finance Lease, Liability, to be Paid, Year Five Sales of short-term investments Proceeds from Sale of Short-Term Investments Number of aircraft, deferrable, scheduled to be delivered in 2024 Number Of Aircrafts, Deferrable, Scheduled To Be Delivered, Period Two Number Of Aircrafts, Deferrable, Scheduled To Be Delivered, Period Two Total other comprehensive income (loss), net of tax Other comprehensive loss, net Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Receivable Type [Axis] Receivable Type [Axis] Other comprehensive income (loss) before reclassifications, net of tax OCI, before Reclassifications, Net of Tax, Attributable to Parent Project [Domain] Project [Domain] Shares withheld for taxes pursuant to employee stock plans and treasury stock repurchases Payments for Repurchase of Common Stock Class of Stock [Axis] Class of Stock [Axis] 2028 and thereafter Long-Term Debt, Maturity, after Year Five Income Taxes Income Tax, Policy [Policy Text Block] Operating loss carryforwards and other carryforwards, not subject to expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Account Receivable from Business Partners Account Receivable From Business Partners [Member] Account Receivable From Business Partners Defined benefit plan master trust future funding commitments Defined Benefit Plan Master Trust Future Funding Commitments Defined Benefit Plan Master Trust Future Funding Commitments Accounts receivable, net Receivables, Net, Current Current assets Assets, Current [Abstract] Deferral of revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Retained deficit Retained Earnings (Accumulated Deficit) Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Settlements Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Scenario [Domain] Scenario [Domain] Number of revenue components Number Of Revenue Components Number Of Revenue Components Recurring Fair Value, Recurring [Member] Interest Rate Years Six Through Ten Interest Rate Years Six Through Ten [Member] Interest Rate Years Six Through Ten [Member] Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Financing cash flows from finance leases Finance Lease, Principal Payments Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Maintenance, Materials and Repairs Maintenance Cost, Policy [Policy Text Block] State, local and foreign Current Income Tax Expense (Benefit) Enhanced Equipment Trust Certificates (EETC) Enhanced Equipment Trust Certificate [Member] Amounts reclassified from AOCI, before tax Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Airline Capacity Purchase Arrangements Airline Capacity Purchase Arrangements [Member] Impairment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Capital expenditures, net of aircraft purchase deposit returns Payments to Acquire Productive Assets JFK Airport Upgrade, Existing Terminal Building JFK Airport Upgrade, Existing Terminal Building [Member] JFK Airport Upgrade, Existing Terminal Building JetSMART JetSmart Airlines SpA [Member] JetSmart Airlines SpA Settlement of bankruptcy obligations Other Significant Noncash Transaction Bankruptcy Settlement Obligation Other Significant Noncash Transaction, Bankruptcy Settlement Obligation Document Information [Table] Document Information [Table] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Goodwill Goodwill Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Actual return (loss) on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Income tax provision (benefit) Income tax provision (benefit) Total income tax provision (benefit) Income Tax Expense (Benefit) Valuation allowance Deferred Tax Assets, Valuation Allowance Entity Public Float Entity Public Float Balance Sheet Location [Domain] Balance Sheet Location [Domain] December 2016 Term Loan Facility December 2016 Term Loan Facility [Member] December 2016 Term Loan Facility Nonoperating special items, net Non-Operating Special Items, Net Nonoperating net expenses (credits) recognized in the period that are infrequent in occurrence or unusual in nature. Operating loss carryforwards and other carryforwards, subject to expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year One Special items, net Restructuring And Other Expense (Income), Mainline Restructuring And Other Expense (Income), Mainline Total Investments Common stock Common Stock, Value, Issued Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Restricted Cash Restricted Cash [Member] Restricted Cash Preferred Stock Preferred Stock [Member] Senior Notes Senior Notes [Member] Residual value percentage of equipment and properties Property, Plant and Equipment, Salvage Value, Percentage Conversion price Debt Instrument, Convertible, Conversion Price Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Current liability Liability, Defined Benefit Plan, Current Accumulated benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Operating property and equipment Property, Plant and Equipment, Net [Abstract] Cash and restricted cash at beginning of year Cash and restricted cash at end of year Total cash and restricted cash Total cash and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Current liabilities Liabilities, Current [Abstract] Special termination benefits Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Deferred revenue, current Customer liabilities Contract with Customer, Liability, Current 2023 Purchase Obligation, to be Paid, Year One Interest on lease liabilities Finance Lease, Interest Expense Retirement Plan Type [Domain] Retirement Plan Type [Domain] Regional Expenses [Line Items] Regional Expenses [Line Items] Regional Expenses [Line Items] Amendment Flag Amendment Flag Useful life of intangible assets Finite-Lived Intangible Asset, Useful Life Operating lease cost Operating Lease, Cost SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Gain on sale leaseback transactions, net Sale and Leaseback Transaction, Gain (Loss), Net Schedule of Amounts Recognized in Other Comprehensive Income Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Total other assets Other Assets, Noncurrent Depreciation Depreciation, Depletion and Amortization Line of credit facility undrawn fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 2028 and thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five PSP Promissory Note Payroll Support Program, Promissory Note, CARES Act [Member] Payroll Support Program, Promissory Note, CARES Act 2024 Purchase Obligation, to be Paid, Year Two Counterparty Name [Axis] Counterparty Name [Axis] Summary of Net Receivables (Payables) to Related Parties Schedule of Related Party Transactions [Table Text Block] Settlement of single-dip unsecured claims held in Disputed Claims Reserve (DCR) Adjustments To Additional Paid In Capital Settlement Of Single Dip Unsecured Claims Adjustments to additional paid in capital settlement of single dip unsecured claims. Less: Total unamortized debt discount, premium and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] International Small/Mid Defined Benefit Plan, Equity Securities, Non-US Small/Mid [Member] Defined Benefit Plan, Equity Securities, Non-US Small/Mid Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Regional Expenses Regional Expenses, Policy [Policy Text Block] Regional Expenses, Policy Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Operating cash flows from operating leases Operating Lease, Payments Salaries, wages and benefits Labor and Related Expense Repayments of long-term debt Repayments of Long-Term Debt Benefit obligations: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Purchases Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase for Purchase Domestic airport slots Airport Take Off And Landing Slots [Member] Airport Take Off And Landing Slots [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Airport construction projects, net of reimbursements Payments for terminal upgrade project Payments for Construction in Process Maximum Maximum [Member] Purchase and retirement of AAG common stock Stock Repurchased and Retired During Period, Value Increase (decrease) in customer liabilities Increase (Decrease) in Contract with Customer, Liability Private Party Antitrust Action Related to Passenger Capacity Private Party Antitrust Action Related to Passenger Capacity [Member] Private Party Antitrust Action Related to Passenger Capacity Government Assistance, Type [Axis] Government Assistance, Type [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Components of Net Periodic Benefit Cost (Income) Schedule of Net Benefit Costs [Table Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Foreign currency gains (losses) Foreign Currency Transaction Gain (Loss), Realized Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Senior Notes 3.75% Matures 2025 Senior Note 3.75% Matures 2025 [Member] Senior Note 3.75% Matures 2025 Schedule of Carrying Value and Estimated Fair Value of Long-Term Debt, Including Current Maturities Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Cash Flow Information and Non-Cash Investing and Financing Activities Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] U.S. Large Defined Benefit Plan, Equity Securities, US, Large Cap [Member] Purchase and retirement of AAG common stock (in shares) Stock Repurchased and Retired During Period, Shares Decrease (increase) in accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Covenant terms, minimum aggregate liquidity required Line Of Credit Facility, Covenant Terms, Minimum Aggregate Liquidity Required Line Of Credit Facility, Covenant Terms, Minimum Aggregate Liquidity Required Other Product and Service, Other [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Number of aircraft owned through financing under EETCs Number Of Aircraft Owned Enhanced Equipment Trust Certificate Number of Aircraft Owned, Enhanced Equipment Trust Certificate Schedule of Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost Defined Benefit Plan, Assumptions [Table Text Block] Operating Segments and Related Disclosures Segment Reporting Disclosure [Text Block] Commitments, Contingencies and Guarantees Commitments Contingencies and Guarantees [Text Block] China Southern Airlines China Southern Airlines Company Limited [Member] China Southern Airlines [Member] LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) Liabilities and Equity [Abstract] Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Settlement amount Litigation Settlement, Amount Awarded to Other Party Weighted average shares outstanding (in thousands): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Accounts payable Accounts Payable, Current Income Tax Authority [Axis] Income Tax Authority [Axis] Reduction of debt discount Unamortized debt discount Debt Instrument, Unamortized Discount Number of full-time equivalent employees Entity Number of Employees Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Performance obligation term Revenue, Performance Obligation, Term Revenue, Performance Obligation, Term Basic (in shares) Weighted average common shares outstanding (in shares) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Ownership Interest Ownership interest, equity method investments Equity Method Investment, Ownership Percentage Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Flight equipment Flight Equipment And Finance Lease Right-of-Use Asset, Before Accumulated Depreciation And Amortization Flight Equipment And Finance Lease Right-of-Use Asset, Before Accumulated Depreciation And Amortization Strategic target asset allocation Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Weighted average health care cost trend rate assumed for next year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Number of private party plaintiffs who filed putative class action Number Of Private Party Plaintiffs Who Filed Putative Class Action Number Of Private Party Plaintiffs Who Filed Putative Class Action Floor interest rate Debt Instrument, Basis Spread On Variable Rate, Floor Interest Rate Debt Instrument, Basis Spread On Variable Rate, Floor Interest Rate Income tax special items, net Income Tax Special Items, Net Income Tax Special Items, Net Leases Lessee, Leases [Policy Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Level 3     Fair Value, Inputs, Level 3 [Member] Share-based Compensation Share-Based Payment Arrangement [Text Block] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Book expenses not deductible for tax purposes Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Special items, net non-cash Special Charges Non Cash Special Charges Non Cash B-787-9 B-787-9 [Member] B-787-9 Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Debt refinancing, extinguishment and other, net Debt Refinancing, Debt Extinguishment And Other Expense Debt Refinancing, Debt Extinguishment And Other Expense Related Party [Axis] Related Party [Axis] Aircraft, engines and related rotable parts Aircraft, Engines and Related Rotable Parts Member Aircraft, Engines and Related Rotable Parts Member Repayments of long-term debt Extinguishment of Debt, Amount Dilutive effect of stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Diluted EPS: Earnings Per Share, Diluted [Abstract] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] AOCI attributable to parent, net of tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Level 2     Fair Value, Inputs, Level 2 [Member] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Current Fiscal Year End Date Current Fiscal Year End Date Airline Destination [Domain] Airline Destination [Domain] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangibles, net of accumulated amortization of $827 and $786, respectively Intangible Assets, Net (Excluding Goodwill) Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Account Receivable From ticket Sales Accounts Receivable From Ticket Sales [Member] Accounts Receivable From Ticket Sales Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 2026 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Total current liabilities Liabilities, Current Property and equipment, at cost Finance Lease, Right-of-Use Asset, before Accumulated Amortization Number of aircrafts financed through repurchased debt Number Of Aircrafts Financed Through Repurchased Debt Number Of Aircrafts Financed Through Repurchased Debt Passenger Passenger [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Schedule of Stock-Settled RSU Award Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Litigation settlement, number of parties who objected to the settlement Litigation Settlement, Number Of Parties Who Objected To The Settlement Litigation Settlement, Number Of Parties Who Objected To The Settlement Nonoperating income (expense): Nonoperating Income (Expense) [Abstract] Auditor Information [Abstract] Auditor Information Mark-to-market adjustments on equity and other investments, net Equity Securities, FV-NI, Unrealized Gain (Loss) Income Tax Authority [Domain] Income Tax Authority [Domain] Other financing activities Proceeds from (Payments for) Other Financing Activities Other assets Other Assets, Noncurrent [Abstract] Impairment of intangible assets, indefinite-lived (excluding goodwill) Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) 2020 JFK Bonds 2020 JFK Bonds [Member] 2020 JFK Bonds Warrants Issued, PSP Payroll Support Program Warrants, CARES Act [Member] Payroll Support Program Warrants, CARES Act Interest Rate First Five Years Interest Rate First Five Years [Member] Interest Rate First Five Years [Member] Finance leases Finance Lease, Weighted Average Remaining Lease Term Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Credit Facility [Axis] Credit Facility [Axis] Restricted cash and short-term investments Restricted Cash and Cash Equivalents and Short-Term Investments, Fair Value Disclosure Restricted Cash and Cash Equivalents and Short-Term Investments, Fair Value Disclosure Long-term debt and finance leases, net of current maturities Long-Term Debt and Lease Obligation Equity [Abstract] Equity [Abstract] Subsequent Event [Table] Subsequent Event [Table] Number of Shares, Vested and released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Percentage of employees covered by collective bargaining agreements with various labor unions Collective-Bargaining Arrangement, Percentage of Employer's Participants Collective-Bargaining Arrangement, Percentage of Employer's Participants Entity Tax Identification Number Entity Tax Identification Number Shares authorized for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Schedule of Equity Investments [Table] Schedule of Investments [Table] Republic Holdings Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Common stock withheld or sold related to tax obligations (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Guarantor obligations, maximum exposure, undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Net actuarial loss (gain) Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Reconciliation of Income Tax Provision Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net increase in cash and restricted cash Net increase in cash and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Airport redevelopment, number of security screening lanes Airport Redevelopment, Number Of Security Screen Lanes Airport Redevelopment, Number Of Security Screen Lanes Payment in Kind (PIK) Note Payment in Kind (PIK) Note [Member] LAX Modernization Project LAX Modernization Project [Member] LAX Modernization Project Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] [Line Items] for Commitments and Contingencies [Table] Components of Special Items, Net Included in Consolidated Statements of Operations Restructuring and Related Costs [Table Text Block] Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Mainline Mainline [Member] Interest income Investment Income, Interest Change in fair value measurements of level 3 investments Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward] Depreciation and amortization Mainline And Express Depreciation And Amortization Mainline And Express Depreciation And Amortization Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Entity [Domain] Entity [Domain] City Area Code City Area Code Variable interest rate Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate ASSETS Assets [Abstract] Increase in other assets Increase (Decrease) in Other Current Assets Increase (decrease) in other liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Auditor [Table] Auditor [Table] Selling Expenses Selling, General and Administrative Expenses, Policy [Policy Text Block] Total Purchase Obligation Pacific Pacific Destination [Member] Sale of Stock [Axis] Sale of Stock [Axis] Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation [Table] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Contract with customer, liability, updated revenue recognition period Contract With Customer, Liability, Updated Revenue Recognition Period Contract With Customer, Liability, Updated Revenue Recognition Period Asset Class [Axis] Asset Class [Axis] Interest rate margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] 2023 Long-Term Debt, Maturity, Year One Share-based compensation Share-Based Payment Arrangement, Noncash Expense Variable Rate [Axis] Variable Rate [Axis] Other liabilities Other Liabilities, Noncurrent 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Benefit obligation at beginning of period Benefit obligation at end of period Defined Benefit Plan, Benefit Obligation 2028 and thereafter Finance Lease, Liability, to be Paid, after Year Five Computation of Basic and Diluted Earnings (Loss) per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Number of putative class action lawsuits Number Of Putative Class Action Lawsuits Number of putative class action lawsuits. ROU assets acquired through operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Unrecorded Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] Retiree Medical and  Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Other revenue Other Revenue [Member] Other Revenue [Member] Inactive period before expiration of mileage credits Inactive Period Before Expiration Of Mileage Credits Inactive Period Before Expiration Of Mileage Credits Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total lease payments Lessee, Operating Lease, Liability, to be Paid Proceeds from government assistance, payroll support program, CARES Act Proceeds From Government Assistance, Payroll Support Program, CARES Act Proceeds From Government Assistance, Payroll Support Program, CARES Act Entity Address, Postal Zip Code Entity Address, Postal Zip Code Government Assistance, Type [Domain] Government Assistance, Type [Domain] Emerging Markets Emerging Markets [Member] Emerging Markets [Member] Area of real estate property Area of Real Estate Property 2024 Long-Term Debt, Maturity, Year Two Loyalty revenue - marketing services Loyalty Program, Marketing Services [Member] Loyalty Program, Marketing Services [Member] Latin America Latin America Destination [Member] Restricted Cash and Short-term Investments Restricted Cash And Short Term Investments, Policy [Policy Text Block] Restricted Cash And Short Term Investments, Policy Related party transaction, expense recognized Related Party Transaction, Expenses from Transactions with Related Party Allowance for obsolescence of spare parts SEC Schedule, 12-09, Reserve, Inventory [Member] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Receivable [Domain] Receivable [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Current maturities of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Settlement of single-dip unsecured claims held in DCR and retirement of AAG common stock (in shares) Treasury Stock, Shares, Retired Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Proceeds from issuance of equity Proceeds from Issuance or Sale of Equity Airline Destination Disclosure [Line Items] Airline Destination Disclosure [Line Items] Schedule of Payroll Support Program Schedule Of Payroll Support Program, CARES Act [Table Text Block] Schedule Of Payroll Support Program, CARES Act Other investing activities Payments for (Proceeds from) Other Investing Activities Statistical Measurement [Domain] Statistical Measurement [Domain] Aircraft [Domain] Aircraft [Domain] Maturities of Long-term Debt [Abstract] Maturities of Long-Term Debt [Abstract] Ownership interest, fair value method investments Equity Securities, FV-NI, Ownership Percentage Equity Securities, FV-NI, Ownership Percentage Contractual coupon interest Interest Expense, Debt, Excluding Amortization Capacity purchases from third-party regional carriers Capacity Purchases Capacity Purchases Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Operating special items, net Restructuring And Other, Net Restructuring And Other, Net Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Net periodic benefit cost (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Federal Domestic Tax Authority [Member] Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Net income (loss) Net income (loss) Net income Net Income (Loss) Attributable to Parent U.S. Long Duration Fixed Income U S Long Duration [Member] Fixed Income U S Long Duration [Member] Accelerated depreciation and amortization Deferred Tax Liabilities Accelerated Depreciation And Amortization Deferred Tax Liabilities Accelerated Depreciation And Amortization Leases Lessee, Finance Leases [Text Block] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Schedule of Maturities of Long-Term Debt and Capital Lease Obligations Schedule of Maturities of Long-Term Debt [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Prior service cost (benefit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Warrants Issued, PSP2 Payroll Support Program Two Warrants, CARES Act [Member] Payroll Support Program Two Warrants, CARES Act Scenario [Axis] Scenario [Axis] Redemption price percentage Debt Instrument, Redemption Price, Percentage Private Party Antitrust Actions Related to the Northeast Alliance Private Party Antitrust Actions Related to the Northeast Alliance [Member] Private Party Antitrust Actions Related to the Northeast Alliance Total Assets, Fair Value Disclosure Leases Lessee, Operating Leases [Text Block] Operating lease commitments that have not yet commenced, lease term Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Plan Name [Axis] Plan Name [Axis] Loyalty program liability Loyalty Program [Member] Loyalty Program [Member] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] PSP2 Promissory Note Payroll Support Program Promissory Note Two, CARES Act [Member] Payroll Support Program Promissory Note Two, CARES Act Number of operating segments Number of Operating Segments Proceeds for non-proprietary improvements not yet ready for use Proceeds From Prepayment For Construction Proceeds From Prepayment For Construction Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Level 1     Fair Value, Inputs, Level 1 [Member] Term Loan Facility Term Loan Facility [Member] Term Loan Facility [Member] Prior service cost (benefit) Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Net cash provided by (used in) operating activities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Intercompany equity transfer Intercompany Equity Transfer Intercompany Equity Transfer Related Party Transaction [Domain] Related Party Transaction [Domain] Document Annual Report Document Annual Report Legal Entity [Axis] Legal Entity [Axis] Special termination benefits Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Pension and postretirement benefits Noncurrent liability Liability, Defined Benefit Plan, Noncurrent Issuance of AAG common stock, net of offering costs Stock Issued During Period, Value, New Issues Special Facility Revenue Bonds Special Facility Revenue Bonds [Member] Special Facility Revenue Bonds [Member] Schedule of Estimated Useful Lives of Principal Property and Equipment Property, Plant and Equipment [Table Text Block] Short-term investments Short-term investments Debt Securities, Available-for-Sale, Current Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Table] Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Table] Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Table] Debt Debt Disclosure [Text Block] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Fixed Income Fixed Income Investments [Member] Schedule of Allocation of Plan Assets Schedule of Allocation of Plan Assets [Table Text Block] 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Airline Destinations [Axis] Airline Destinations [Axis] Defined benefit plan, assumptions used for expected long-term rate of return on plan assets, term Defined Benefit Plan, Assumptions Used For Expected Long-Term Rate of Return on Plan Assets, Actual Returns Achieved, Term Defined Benefit Plan, Assumptions Used For Expected Long-Term Rate of Return on Plan Assets, Actual Returns Achieved, Term Financial Instrument [Axis] Financial Instrument [Axis] 2016 JFK Bonds And 2020 JFK Bonds 2016 JFK Bonds And 2020 JFK Bonds [Member] 2016 JFK Bonds And 2020 JFK Bonds Letters of credit outstanding and surety bonds, amount Letters of Credit Outstanding and Surety Bonds, Amount Letters of Credit Outstanding and Surety Bonds, Amount 2025 Long-Term Debt, Maturity, Year Three Other Investments Other Investments SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Subsequent Event Subsequent Event [Member] Document Period End Date Document Period End Date Components of Accumulated Other Comprehensive Loss (AOCI) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Total assets Assets Auditor [Line Items] Auditor [Line Items] Schedule of Equity Investments Schedule Of Equity Investments [Table Text Block] Schedule Of Equity Investments Earnings (loss) per common share: Earnings Per Share [Abstract] Long-term investments Equity Securities, FV-NI, Current Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total liabilities Liability, Defined Benefit Plan Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Contributions to multiemployer plan by company, percentage of total contributions to plan (more than) Multiemployer Plan, Contributions By Employer, Percentage Of Total Contributions Multiemployer Plan, Contributions By Employer, Percentage Of Total Contributions 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five Equipment purchase deposits Deposits on Flight Equipment Long-term debt, including current maturities Long-Term Debt, Fair Value Amounts reclassified from AOCI, net of tax Total reclassifications for the period, net of tax Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Accrued salaries and wages Employee-related Liabilities, Current Net gains from sale of property and equipment and sale-leaseback transactions Gain (Loss) On Disposition Of Property Plant Equipment And Sale And Leaseback Transaction, Net Gain (Loss) On Disposition Of Property Plant Equipment And Sale And Leaseback Transaction, Net Income (loss) before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Earnings (Loss) Per Common Share Earnings Per Share [Text Block] Other Deferred Tax Liabilities, Other Dilutive effect of warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Components Of Income Taxes [Table] Components Of Income Taxes [Table] Components of income taxes. Regional Carrier Regional Carrier [Member] Grant, PSP US Department Of The Treasury, CARES Act, Grant, Payroll Support Program [Member] US Department Of The Treasury, CARES Act, Grant, Payroll Support Program Schedule of Investments [Line Items] Schedule of Investments [Line Items] Equipment Loans and Other Notes Payable Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Award Type [Domain] Award Type [Domain] Debt Conversion, Circumstance Two Debt Conversion, Scenario Two [Member] Debt Conversion, Scenario Two Other Significant Noncash Transactions [Line Items] Other Significant Noncash Transactions [Line Items] Issuance of shares of AAG common stock, net of offering costs (in shares) Stock Issued During Period, Shares, New Issues Contributions expected to be deferred under CARES Act Defined Benefit Plan, Contributions Made For Prior Year Under CARES Act Defined Benefit Plan, Contributions Made For Prior Year Under CARES Act Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Customer relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town 11.75% Senior Secured Notes 11.75% Senior Secure Notes [Member] 11.75% Senior Secure Notes Public Stock Offering Public Stock Offering [Member] Public Stock Offering 2021-1 EETC - Series A 2021-1 EETC - Series A [Member] 2021-1 EETC - Series A Percentage of employees covered by collective bargaining agreements that are currently available Collective-Bargaining Arrangement, Percentage Of Employer's Participants Under Agreements Currently Amendable Collective-Bargaining Arrangement, Percentage Of Employer's Participants Under Agreements Currently Amendable 2028-2032 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] GOL Linhas Aéreas Inteligentes S.A. GOL Linhas Aéreas Inteligentes S.A. [Member] GOL Linhas Aéreas Inteligentes S.A. Number of leased aircraft Number Of Aircraft Operating Under Operating And Finance Lease Number Of Aircraft Operating Under Operating And Finance Lease LTV Multiplier Debt Instrument Collateral Covenant Loan To Value Ratio Multiplier Debt Instrument, Collateral Covenant, Loan-to-Value Ratio Multiplier Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Auditor Name Auditor Name Pension Benefits Pension Plan [Member] Gross NOL carryforwards Operating Loss Carryforwards 6.50% convertible senior notes Convertible Debt Securities [Member] Contribution to multiemployer plan by employer, individually significant Multiemployer Plan, Pension, Significant, Employer Contribution, Cost Amounts reclassified from AOCI, tax Reclassification from AOCI, Current Period, Tax Loyalty program liability Contract with Customer, Liability, Noncurrent AAG Incentive Award Plan 2013 AAG Incentive Award Plan 2013 [Member] AAG Incentive Award Plan 2013 [Member] Purchases of short-term investments Payments to Acquire Short-Term Investments Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Restricted cash included in restricted cash and short-term investments Restricted Cash and Cash Equivalents Restricted stock unit awards Restricted Stock Units (RSUs) [Member] Relating to assets still held at the reporting date Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held 2021-1 EETC - Series B 2021-1 EETC - Series B [Member] 2021-1 EETC - Series B AAG Parent Company [Member] Defined benefit plan master trust future funding commitments, period Defined Benefit Plan Master Trust Future Funding Commitments, Period Defined Benefit Plan Master Trust Future Funding Commitments, Period Weighted average remaining lease term: Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] LIBOR London Interbank Offered Rate (LIBOR) [Member] PSP financial assistance Payroll Support Program Grant Payroll Support Program Grant Subsequent Events [Abstract] Subsequent Events [Abstract] Contributions to pension plans Increase (Decrease) in Obligation, Pension Benefits Cargo Cargo and Freight [Member] Changes in Fair Value Measurements of Level 3 Investments Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Estimated period of liquidation of underlying assets Estimated Life Of Liquidation Of Underlying Assets Estimated Life Of Liquidation Of Underlying Assets Operating loss and other carryforwards Deferred Tax Assets, Operating Loss Carryforwards And Other Carryforwards Deferred Tax Assets, Operating Loss Carryforwards And Other Carryforwards State and local Deferred State and Local Income Tax Expense (Benefit) 2028 and Thereafter Purchase Obligation, to be Paid, after Year Five Other operating special items, net Other Operating Special Charges, Net Other Operating Special Charges, Net Amortization expense Amortization of Intangible Assets Interest paid, net Interest Paid, Excluding Capitalized Interest, Operating Activities Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights International Defined Benefit Plan, Equity Securities, Non-US [Member] Other Short-term Revolving Facility Other Short-term Revolving Facility [Member] Other Short-term Revolving Facility 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Maintenance, materials and repairs Aircraft Maintenance, Materials, and Repairs Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] PSP2 and PSP3 Warrants Payroll Support Program Two And Three Warrants, CARES Act [Member] Payroll Support Program Two And Three Warrants, CARES Act Number of aircraft, deferrable, scheduled to be delivered in 2023 Number Of Aircrafts, Deferrable, Scheduled To Be Delivered, Period One Number Of Aircrafts, Deferrable, Scheduled To Be Delivered, Period One Pension, Retiree Medical and Other Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Operating lease conversion to finance lease Operating Lease Liability Converted To Finance Lease Liability Operating Lease Liability Converted To Finance Lease Liability Aircraft Fuel, Spare Parts, and Supplies, Net Inventory, Policy [Policy Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Selling expenses Selling and Marketing Expense Total stockholders' deficit Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Property and equipment acquired through finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Repurchase agreements Repurchase Agreements [Member] Operating lease commitments that have not yet commenced Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due Dividends declared on AAG common stock Dividends, Common Stock Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Other Deferred Tax Assets, Other Accumulated amortization of intangibles Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization PSP3 Promissory Note Payroll Support Program Promissory Note Three, CARES Act [Member] Payroll Support Program Promissory Note Three, CARES Act 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Other assets Other Assets, Miscellaneous, Noncurrent 2027 Long-Term Debt, Maturity, Year Five Retained Earnings (Deficit) Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Litigation reserve adjustments Gain (Loss) Related to Litigation Settlement AOCI attributable to parent, before tax [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] Total net lease cost Lease, Cost 5.75% Senior Notes Senior Note 5.75% Matures 2029 [Member] Senior Note 5.75% Matures 2029 Common Stock Common Stock [Member] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Components of Lease Expense Lease, Cost [Table Text Block] Statement [Table] Statement [Table] Weighted Average Grant Date Fair Value, Vested and released (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Letter of Credit Letter of Credit [Member] Furniture, fixtures and other equipment Furniture and Fixtures [Member] Operating lease liabilities Noncurrent operating lease liabilities Long-term lease obligations Operating Lease, Liability, Noncurrent Regional pilot retention program Pilot Retention Cost Pilot Retention Cost Pension, retiree medical and other postretirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Deferred financing costs paid through issuance of debt Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Contributions to defined contribution benefit plans Defined Contribution Plan, Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Fair Value, Inputs, Level 1, 2 and 3 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Regional expenses Airline, Capacity Purchase Arrangements AAG's Wholly-owned Subsidiaries Subsidiary of Common Parent [Member] Indefinite lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Related Party Transaction [Axis] Related Party Transaction [Axis] Leasehold Improvements Leasehold Improvements [Member] Equity Components [Axis] Equity Components [Axis] JFK Airport Upgrade JFK Airport Upgrade [Member] JFK Airport Upgrade [Member] Schedule of Amounts Recognized in Consolidated Balance Sheets Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Litigation Case [Domain] Litigation Case [Domain] Schedule of Collateral Coverage Tests Schedule Of Collateral Coverage Tests [Table Text Block] Schedule Of Collateral Coverage Tests [Table Text Block] Convertible debt, conversion terms, measurement period trading price threshold percentage Convertible Debt, Conversion Terms, Measurement Period Trading Price Threshold Percentage Convertible Debt, Conversion Terms, Measurement Period Trading Price Threshold Percentage Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Payment term Revenue, Performance Obligation, Payment Term Revenue, Performance Obligation, Payment Term Operating loss carryforwards, subject to expiration Operating Loss Carryforwards, Subject to Expiration Operating Loss Carryforwards, Subject to Expiration Statement [Line Items] Statement [Line Items] Non-cash transactions: Noncash Lease Transactions [Abstract] Noncash Lease Transactions [Abstract] Number of Shares, Beginning Balance (in shares) Number of Shares, Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Investment owned, at fair value Investment Owned, at Fair Value Promissory Notes, PSP3 US Department Of The Treasury, CARES Act, Promissory Notes, Payroll Support Program Three [Member] US Department Of The Treasury, CARES Act, Loans, Payroll Support Program Three Total nonoperating expense, net Nonoperating Income (Expense) Variable Rate [Domain] Variable Rate [Domain] Amortizable intangible assets, gross Finite-Lived Intangible Assets, Gross Pension and postretirement Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Operating lease right-of-use assets Operating lease ROU assets Operating Lease, Right-of-Use Asset Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] U.S. Small/Mid Defined Benefit Plan, Equity Securities, US, Mid Cap [Member] Jet Fuel, Facility Construction Projects and Information Technology Support Jet Fuel, Facility Construction Projects and Information Technology Support [Member] Jet Fuel, Facility Construction Projects and Information Technology Support [Member] Convertible Senior Notes 6.50% Due 2025 Convertible Senior Notes 6.50% Due 2025 [Member] Convertible Senior Notes 6.50% Due 2025 Auditor Firm ID Auditor Firm ID Promissory Notes, PSP US Department Of The Treasury, CARES Act, Loans, Payroll Support Program [Member] US Department Of The Treasury, CARES Act, Loans, Payroll Support Program Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Document Transition Report Document Transition Report Net current-period other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Local Phone Number Local Phone Number Interest Rate Scenario [Axis] Interest Rate Scenario [Axis] Interest Rate Scenario [Axis] Operating income (loss) Operating Income (Loss) Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Other Other Cost and Expense, Operating Defined benefit plan, prior service cost remines to be amortized Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax State State and Local Jurisdiction [Member] Cargo Receivable Facility Cargo Receivable Facility [Member] Cargo Receivable Facility Share computation for diluted EPS: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Indefinite lived intangible assets acquired Indefinite-Lived Intangible Assets Acquired Name of Property [Domain] Name of Property [Domain] Airport redevelopment, costs incurred and capitalized Property, Plant & Equipment, Cost Incurred To Date Property, Plant & Equipment, Cost Incurred To Date Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Operating Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Income Statement [Abstract] Income Statement [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Additional Paid-in Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Minimum Fixed Obligations under Capacity Purchase Agreements with Third-Party Regional Carriers Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Basic EPS: Earnings Per Share, Basic [Abstract] Diluted (in shares) Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Enhanced Equipment Trust Certificates 2021-1 Enhanced Equipment Trust Certificates 2021-1 [Member] Enhanced Equipment Trust Certificates 2021-1 Other Intangibles, Net Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Finance lease conversion to operating lease Finance Lease Liability Converted To Operating Lease Liability Finance Lease Liability Converted To Operating Lease Liability Promissory Notes, PSP2 US Department Of The Treasury, CARES Act, Promissory Notes, Payroll Support Program Two [Member] US Department Of The Treasury, CARES Act, Loans, Payroll Support Program Two Carrying value, fair value method investments Equity securities, fair value Equity Securities, FV-NI Buildings and improvements Building and Building Improvements [Member] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Base Rate Base Rate [Member] Carrying Value Reported Value Measurement [Member] Loyalty program liability Deferred Tax Assets, Frequent Flier Liability Weighted Average Grant Date Fair Value, Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Convertible Debt Convertible Debt [Member] Contract receivables settlement duration Contract Receivables Settlement Duration Contract Receivables Settlement Duration Unusual or Infrequent Item, or Both [Table] Unusual or Infrequent Item, or Both [Table] Postretirement benefits other than pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits 2020 JFK Bonds and 2021 JFK Bonds 2020 JFK Bonds and 2021 JFK Bonds [Member] 2020 JFK Bonds and 2021 JFK Bonds Issuance of warrants Adjustments to Additional Paid in Capital, Warrant Issued Aircraft fuel and related taxes Fuel Costs Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Common stock, shares issued (in shares) Common Stock, Shares, Issued Carrying value, equity method investments Equity Method Investments Aircraft Type [Axis] Aircraft Type [Axis] Total PSP Financial Assistance, PSP1 US Department Of The Treasury, CARES Act, Payroll Support Program One [Member] US Department Of The Treasury, CARES Act, Payroll Support Program One Current finance lease liabilities Less: Current obligations Finance Lease, Liability, Current Capitalized software Capitalized Software [Member] Capitalized Software [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] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Aggregate principal issued Aggregate principal issued Debt Instrument, Face Amount Senior Notes 11.75% Due 2025 Senior Notes 11.75% Due 2025 [Member] Senior Notes 11.75% Due 2025 Investments Investment, Policy [Policy Text Block] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Litigation Case [Axis] Litigation Case [Axis] Entity Current Reporting Status Entity Current Reporting Status Purchase Obligations Purchase Obligation, Fiscal Year Maturity [Abstract] Aircraft fuel, spare parts and supplies, net Airline Related Inventory, Net LTV as of Last Measurement Date Ltv As Of Measurement Date LTV As Of measurement Date 2023 Finance Lease, Liability, to be Paid, Year One Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Construction project, expected Cost Construction Project, Expected Cost Construction Project, Expected Cost Long term debt, price, percentage of par value Long Term Debt, Price, Percentage Of Par Value Long Term Debt, Price, Percentage Of Par Value Operating lease, impairment loss Operating Lease, Impairment Loss Additions Charged to Statement of Operations Accounts SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Project [Axis] Project [Axis] Decrease (increase) in receivables from related parties, net Increase (Decrease) in Due from Related Parties Restricted Cash and Short-term Investment Restricted Cash and Investments, Current [Member] Restricted Cash and Investments, Current Mark-to-market adjustments on bankruptcy obligations, net Mark-to Market Adjustments Income (Loss) for Bankruptcy Obligations and Other Mark-to Market Adjustments Income (Loss) for Bankruptcy Obligations and Other 2024 Finance Lease, Liability, to be Paid, Year Two Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Schedule of Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] 2023 Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Non-proprietary improvements sold and transferred in current period Property, Plant and Equipment, Disposals Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Number of Shares, Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Long-term debt, net of current maturities Principal outstanding or drawn Net carrying amount Long-Term Debt Other income, net Other Nonoperating Income (Expense) Balance Sheet Location [Axis] Balance Sheet Location [Axis] Supplemental Cash Flow and Other Information Cash Flow, Lessee [Table Text Block] Cash Flow, Lessee [Table Text Block] Special Items, Net 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] Weighted average discount rate: Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate [Abstract] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Accumulated other comprehensive loss Beginning balance, net of tax Ending balance, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Decrease (increase) in restricted short-term investments Increase (Decrease) of Restricted Investments Increase in postretirement benefit obligation Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Weighted average expected rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Total current assets Total current assets Assets, Current Recognition of revenue Recognition of revenue Contract with Customer, Liability, Revenue Recognized Entity Small Business Entity Small Business 2027 Purchase Obligation, to be Paid, Year Five Accumulated postretirement benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Amount In Excess Of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Amount In Excess Of Plan Assets Measurement Basis [Axis] Measurement Basis [Axis] Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Consolidated reporting unit Number of Reporting Units Dividends declared on AAG common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Operating revenues: Revenues [Abstract] Total Finite-Lived Intangible Assets, Net Purchase of equity investments Payment To Acquire Equity Securities, Equity Securities FV-NI And Equity Securities Without Readily Determinable Fair Value Payment To Acquire Equity Securities, Equity Securities FV-NI And Equity Securities Without Readily Determinable Fair Value 2028 and thereafter Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Summary of Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] 2026 Purchase Obligation, to be Paid, Year Four Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Supplemental Balance Sheet Information Assets and Liabilities, Lessee [Table Text Block] Assets and Liabilities, Lessee [Table Text Block] Accumulated amortization Finance Lease, Right-of-Use Asset, Accumulated Amortization Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Total operating expenses Costs and Expenses 7.25% Senior Secured Notes 7.25% Senior Secured Notes Due 2028 [Member] 7.25% Senior Secured Notes Due 2028 Debt Instrument [Line Items] Debt Instrument [Line Items] 5.50% Senior Notes Senior Note 5.50% Matures 2026 [Member] Senior Note 5.50% Matures 2026 Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Deferred financing costs Payments of debt issuance costs Payments of Debt Issuance Costs Total operating lease liabilities Operating lease liabilities Operating Lease, Liability Balance at Beginning of Year Balance at End of Year SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Share-based Compensation Share-Based Payment Arrangement [Policy Text Block] Total lease payments Finance Lease, Liability, to be Paid Maturities of Finance Lease Liabilities Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] Investments, Debt and Equity Securities [Abstract] Weighted average health care cost trend rate assumed thereafter Defined Benefit Plan, Ultimate Health Care Cost Trend Rate 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Short-term Revolving and Other Facilities Short-term Revolving And Other Facilities [Member] Short-term Revolving And Other Facilities Unusual or Infrequent Item, or Both [Line Items] Unusual or Infrequent Item, or Both [Line Items] Warrants Issued, PSP3 Payroll Support Program Three Warrants, CARES Act [Member] Payroll Support Program Three Warrants, CARES Act Benefit payments Defined Benefit Plan, Plan Assets, Benefits Paid Other comprehensive income (loss) before reclassifications, before tax OCI, before Reclassifications, before Tax, Attributable to Parent JFK Airport Upgrade, New Terminal Building JFK Airport Upgrade, New Terminal Building [Member] JFK Airport Upgrade, New Terminal Building Deferred tax assets: Deferred Tax Assets, Net [Abstract] Treasury Loan Warrants Treasury Loan Warrant Agreement, CARES Act [Member] Treasury Loan Warrant Agreement, CARES Act Fleet impairment Flight Equipment, Operating Lease, And Inventory Impairment Loss Flight Equipment, Operating Lease, And Inventory Impairment Loss Components Of Income Taxes [Line Items] Components Of Income Taxes [Line Items] Components of income taxes line items. 2026 Long-Term Debt, Maturity, Year Four Auditor Location Auditor Location Entity Filer Category Entity Filer Category Preferred Stock Purchase Rights Warrants Warrant [Member] Share-based compensation costs Share-Based Payment Arrangement, Expense Commitments and contingencies Commitments and Contingencies Air traffic liability Air Traffic [Member] Air Traffic [Member] Security Exchange Name Security Exchange Name Long-term Purchase Commitments Long-Term Purchase Commitment [Table Text Block] Other carryforwards Other Carryforwards Other Carryforwards Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] Passenger travel Passenger Travel [Member] Passenger Travel [Member] Total operating revenues Operating revenues Revenue from Contract with Customer, Excluding Assessed Tax Service cost Defined Benefit Plan, Service Cost Noncurrent liabilities Liabilities, Noncurrent [Abstract] Cover [Abstract] Cover [Abstract] Entity Voluntary Filers Entity Voluntary Filers Amortization of: Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization Amounts [Abstract] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization Amounts [Abstract] International Association of Machinists & Aerospace Workers (IAM) National Pension Fund International Association Of Machinists And Aerospace Workers National Pension Fund [Member] International Association Of Machinists And Aerospace Workers National Pension Fund [Member] Goodwill impairment Goodwill, Impairment Loss Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Treasury Term Loan Facility Treasury Loan Agreement, CARES Act [Member] Treasury Loan Agreement, CARES Act Actuarial loss Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Finance leases Finance Lease, Weighted Average Discount Rate, Percent Segment Reporting [Abstract] Segment Reporting [Abstract] Total PSP Financial Assistance, PSP3 US Department Of The Treasury, CARES Act, Payroll Support Program Three [Member] US Department Of The Treasury, CARES Act, Payroll Support Program Three Reconciliation of benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Other Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Forecast Forecast [Member] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Beginning balance, tax Ending balance, tax AOCI Tax, Attributable to Parent Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Payment of certain tax withholding obligations associated with employee equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Retirement Plan Name [Axis] Retirement Plan Name [Axis] Total liabilities and stockholders’ equity (deficit) Liabilities and Equity Number of additional putative class action lawsuits Number Of Additional Putative Class Action Lawsuits Number Of Additional Putative Class Action Lawsuits Non-cash amortization of debt discount Amortization of Debt Issuance Costs Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Cash Cash Equity investments Liabilities Incurred To Acquire Equity Securities Liabilities Incurred To Acquire Equity Securities Total deferred tax assets Deferred Tax Assets, Gross Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Net income (loss) for purposes of computing diluted EPS Net Income (Loss) Available to Common Stockholders, Diluted Diluted (in dollars per share) Diluted EPS (in dollars per share) Earnings Per Share, Diluted Sale of Stock [Domain] Sale of Stock [Domain] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Cost incurred for terminal upgrade project Development in Process Lease terms Lessee, Operating And Finance Lease, Term Of Contract Lessee, Operating And Finance Lease, Term Of Contract 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Restricted cash and short-term investments Restricted Cash and Investments, Current Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Total Equity Securities [Member] Corporate obligations Corporate Debt Securities [Member] Regional Expenses [Table] Regional Expenses [Table] Regional Expenses [Table] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Weighted average discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Net current-period other comprehensive income (loss), tax Other Comprehensive Income (Loss), Tax Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] 2021 JFK Bonds, 2.25% Matures 2026 2021 JFK Bonds, 2.25% Matures 2026 [Member] 2021 JFK Bonds, 2.25% Matures 2026 Contract balances, liability Beginning balance Ending balance Contract with Customer, Liability Product and Service [Axis] Product and Service [Axis] Deferred tax liabilities: Deferred Tax Liabilities, Net [Abstract] Class of Stock [Domain] Class of Stock [Domain] Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Annual installment repayment, percent or original principal balance Debt Instrument Annual Repayment Percent Of Principal Balance Debt Instrument, Annual Repayment, Percent of Principal Balance Ground property and equipment Ground Property and Equipment, Gross The gross amount of long-lived, depreciable ground property and equipment. Interest expense, net Interest Expense Tradenames Trade Names [Member] Other Significant Noncash Transactions [Table] Other Significant Noncash Transactions [Table] Airport redevelopment cost incurred in current year Property, Plant & Equipment, Incurred Cost Property, Plant & Equipment, Incurred Cost Grant, PSP2 US Department Of The Treasury, CARES Act, Grant, Payroll Support Program Two [Member] US Department Of The Treasury, CARES Act, Grant, Payroll Support Program Two Retirement Plan Type [Axis] Retirement Plan Type [Axis] Interest Rate Scenario [Domain] Interest Rate Scenario [Domain] Interest Rate Scenario Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Domestic Domestic Destination [Member] Leases Deferred Tax Liabilities, Leasing Arrangements 2025 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three Long-term debt average interest rate Long Term Debt Average Interest Rate Long term debt average interest rate. Funded status at end of period Defined Benefit Plan, Funded (Unfunded) Status of Plan 2025 Purchase Obligation, to be Paid, Year Three Secured Overnight Financing Rate or Other Secured Overnight Financing Rate Or Other [Member] Secured Overnight Financing Rate [Member] Contributions to multiemployer plan by company Multiemployer Plan, Employer Contribution, Cost Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Total deferred tax liabilities Deferred Tax Liabilities, Gross Underlying Asset Class [Domain] Underlying Asset Class [Domain] Total property and equipment, at cost Total property and equipment, at cost Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Grant, PSP3 US Department Of The Treasury, CARES Act, Grant, Payroll Support Program Three [Member] US Department Of The Treasury, CARES Act, Grant, Payroll Support Program Three Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Net periodic benefit cost (income): Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Projected benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Measurement Frequency [Axis] Measurement Frequency [Axis] Weighted Average Grant Date Fair Value [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Name of Property [Axis] Name of Property [Axis] Debt instrument, special interest rate Debt Instrument, Special Interest Rate Debt Instrument, Special Interest Rate Other accrued liabilities Other Accrued Liabilities, Current Total accumulated other comprehensive loss (income), pre-tax Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax 2014 Credit  Facilities Credit Facility 2014 [Member] Credit Facility 2014 [Member] Debt instrument, minimum collateral coverage ratio Debt Instrument, Covenant Terms, Minimum Collateral Coverage Ratio Debt Instrument, Covenant Terms, Minimum Collateral Coverage Ratio Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Retirement Benefits [Abstract] Retirement Benefits [Abstract] PSP1 Promissory Note Payroll Support Program Promissory Note One, CARES Act [Member] Payroll Support Program Promissory Note One, CARES Act Transfers out Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Dividend payments Payments of Ordinary Dividends Statutory income tax provision (benefit) Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Operating lease commitments that have not yet commenced, number of aircraft Lessee, Operating Lease, Lease Not yet Commenced, Number Of Leased Aircraft Lessee, Operating Lease, Lease Not yet Commenced, Number Of Leased Aircraft AAdvantage Term Loan Facility AAdvantage Term Loan Facility [Member] AAdvantage Term Loan Facility Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee [Abstract] Construction project, expected cost, funded by special facility revenue bond Construction Project, Expected Cost, Funded By Special Facility Revenue Bond Construction Project, Expected Cost, Funded By Special Facility Revenue Bond Impairment charge Asset Impairment Charges Pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 2013 Credit  Facilities Credit Facility 2013 [Member] Credit Facility 2013 [Member] Settlement of single-dip unsecured claims held in DCR and retirement of 259,878 shares of AAG common stock Adjustments To Additional Paid In Capital Settlement Of Single Dip Unsecured Claims And Retirement Of Common Stock Adjustments To Additional Paid In Capital Settlement Of Single Dip Unsecured Claims And Retirement Of Common Stock Schedule of Convertible Debt Convertible Debt [Table Text Block] Number of days within the occurrence of triggering event Debt Instrument, Prepayment Trigger, Number Of Days Within The Occurrence Of Triggering Event Debt Instrument, Prepayment Trigger, Number Of Days Within The Occurrence Of Triggering Event Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2020-06 [Member]