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Parent Total Related Party [Member] Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Litigation Case [Axis] Litigation Case [Axis] Collective-Bargaining Arrangement [Domain] Collective-Bargaining Arrangement [Domain] Interest expense, net Interest Expense, Nonoperating Equipment Loans and Other Notes Payable Issued in Current Year Equipment Loans and Other Notes Payable Issued in Current Year [Member] Equipment Loans and Other Notes Payable Issued in Current Year New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Sales of short-term investments Proceeds from Sale of Short-Term Investments Enhanced Equipment Trust Certificates (EETC) Enhanced Equipment Trust Certificate [Member] 10.75% Senior Secured Notes, IP Notes 10.75% Senior Secured Notes, IP Notes [Member] 10.75% Senior Secured Notes, IP Notes Total other comprehensive income (loss), net of tax Other 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Facilities 2013, 2014 and 2023 Credit Facilities [Member] 2013, 2014 and 2023 Credit Facilities Dilutive effect of stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Equity Securities Equity Securities [Member] 6.50% convertible senior notes Convertible Debt Securities [Member] Unrealized Gain (Loss) on Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Finance leases converted to operating leases Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Restricted cash included in restricted cash and short-term investments Restricted Cash, Current Document Type Document Type Allied Pilots Association Allied Pilots Association [Member] Allied Pilots Association Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] PSP1 Warrants Payroll Support Program One Warrants, CARES Act [Member] Payroll Support Program One Warrants, CARES Act Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] EETCs Issued In Current Year Enhanced Equipment Trust Certificate Issued In Current Year [Member] Enhanced Equipment Trust Certificate Issued In Current Year Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Airline Destination [Domain] Airline Destination [Domain] Schedule of Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Association of Professional Flight Attendants Association of Professional Flight Attendants [Member] Association of Professional Flight Attendants AAG Parent Company [Member] Maximum Maximum [Member] Airline Expenses [Abstract] Airline Expenses [Abstract] Total Beginning balance Ending balance Contract with Customer, Liability Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Accounts payable AAG’s wholly-owned subsidiaries Accounts Payable, Current Operating revenues: Revenues [Abstract] American Airlines, Inc. American Airlines, Inc. [Member] American Airlines, Inc. 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Note, Warrants or Rights [Table Text Block] Government Assistance, Type [Axis] Government Assistance, Type [Axis] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Income taxes paid Income Taxes Paid New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Payroll Support Program Promissory Note Three, CARES Act Payroll Support Program Promissory Note Three, CARES Act [Member] Payroll Support Program Promissory Note Three, CARES Act Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Special Items, Net Restructuring and Related Activities Disclosure [Text Block] Before tax AOCI Before Tax, Attributable To Parent [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] 5.75% Senior Notes Senior Note 5.75% Matures 2029 [Member] Senior Note 5.75% Matures 2029 Selling 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Interest income Investment Income, Interest Legal Entity [Axis] Legal Entity [Axis] Current maturities of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Right-of-use (ROU) assets acquired through operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Scenario [Domain] Scenario [Domain] Individual: Individual [Axis] AAG's wholly-owned subsidiaries Subsidiary of Common Parent [Member] 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 Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by 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assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Aircraft fuel and related taxes Fuel Costs 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. 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Disclosure [Abstract] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] Name Trading Arrangement, Individual Name Other investments Other Investments Other income (expense), net Other Nonoperating Income (Expense) Retiree Medical and Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Intangibles, net of accumulated amortization of $839 and $834, respectively Intangibles, net of accumulated amortization of $839 and $834, respectively Intangible Assets, Net (Excluding Goodwill) Labor contract expenses Other Labor-related Expenses Regional Expenses [Line Items] Regional Expenses [Line Items] Regional Expenses [Line Items] Schedule of Revolving Credit and Other Facilities Schedule of Line of Credit Facilities [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Collective bargaining 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Receivables, Gross, Current Actuarial loss Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Measurement Basis [Axis] Measurement Basis [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title Trading Arrangement, Individual Title Unsecured Debt Unsecured Debt [Member] Statement [Table] Statement [Table] Counterparty Name [Axis] Counterparty Name [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] City Area Code City Area Code Current liabilities Liabilities, Current [Abstract] Other rent and landing fees Landing Fees and Other Rentals Minimum liquidity Line Of Credit Facility, Covenant Terms, Minimum Aggregate Liquidity Required Line Of Credit Facility, Covenant Terms, Minimum Aggregate Liquidity Required Interest paid, net Interest Paid, Excluding Capitalized Interest, Operating Activities Supplemental contribution Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer Total property and equipment, at cost Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Purchases of short-term investments Payments to Acquire Short-Term Investments Capital expenditures and aircraft purchase deposits Payments to Acquire Productive Assets Level 1 Fair Value, Inputs, Level 1 [Member] Mainline operating special items, net Mainline [Member] Total current assets Total current assets Assets, Current 7.25% Senior Notes 7.25% Senior Secured Notes Due 2028 [Member] 7.25% Senior Secured Notes Due 2028 Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Senior Notes Senior Notes [Member] 5.50% Senior Notes Senior Note 5.50% Matures 2026 [Member] Senior Note 5.50% Matures 2026 Total Line of credit facility, available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity China Southern Airlines China Southern Airlines Company Limited [Member] China Southern Airlines [Member] Document Information [Line Items] Document Information [Line Items] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Defined benefit plan, contributed amount Defined Benefit Plan, Plan Assets, Contributions by Employer Other facilities Short-term Revolving And Other Facilities [Member] Short-term Revolving And Other Facilities PSP3 Warrants Payroll Support Program Three Warrants, CARES Act [Member] Payroll Support Program Three Warrants, CARES Act Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive 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Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Contract term Revenue, Performance Obligation, Term Revenue, Performance Obligation, Term Underlying Securities Award Underlying Securities Amount Collective bargaining agreement, one-time payment Collective Bargaining Agreement, One-time Payment, Amount Collective Bargaining Agreement, One-time Payment, Amount Credit Facility [Axis] Credit Facility [Axis] Interest Rate Margin Two Interest Rate Margin Two [Member] Interest Rate Margin Two Amendment Flag Amendment Flag Long-term debt, fair value Long-term debt, including current maturities Long-Term Debt, Fair Value Carrying Value Reported Value Measurement [Member] Entity Registrant Name Entity Registrant Name Air traffic liability Air Traffic [Member] Air Traffic [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Other carryforwards Other Carryforwards Other Carryforwards Dilutive effect of certain PSP Warrants and Treasury Loan Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Fair Value as of Grant Date Award Grant Date Fair Value Level 2 Fair Value, Inputs, Level 2 [Member] Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Passenger travel Passenger Travel [Member] Passenger Travel [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Revenue Disaggregation of Revenue [Table Text Block] 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 Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Common stock, $0.01 par value; 1,750,000,000 shares authorized, 657,102,842 shares issued and outstanding at September 30, 2024; 654,273,192 shares issued and outstanding at December 31, 2023 Common stock, $1.00 par value; 1,000 shares authorized, issued and outstanding Common Stock, Value, Issued Beginning balance, tax Ending balance, tax AOCI Tax, Attributable to Parent Schedule of Equity Investments [Table] Schedule of Investments [Table] Other investing activities Payments for (Proceeds from) Other Investing Activities Long-term investments Equity Securities, FV-NI, Noncurrent Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Tax Convertible debt, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Number of additional putative class action lawsuits Number Of Additional Putative Class Action Lawsuits Number Of Additional Putative Class Action Lawsuits Debt refinancing and extinguishment Debt Refinancing, Debt Extinguishment And Other Expense Debt Refinancing, Debt Extinguishment And Other Expense Schedule of Equity Investment Ownership Interests and Carrying Values Investment [Table Text Block] Beginning balance, before tax Ending balance, before tax AOCI before Tax, Attributable to Parent Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Fair Value Measurement [Domain] Fair Value Measurement [Domain] Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Ownership [Domain] Ownership [Domain] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Interest Rate Margin One Interest Rate Margin One [Member] Interest Rate Margin One Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Weighted average shares outstanding (in thousands): Share computation for diluted EPS (in thousands): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Total assets Assets Aircraft rent Aircraft Rental Amount drawn Long-Term Line of Credit Schedule of Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Other liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and contingencies Commitments and Contingencies Regional Expenses Regional Operating Expenses [Text Block] Regional Operating Expenses [Text Block] Domestic Domestic Destination [Member] Regional Expenses [Table] Regional Expenses [Table] Regional Expenses [Table] Termination Date Trading Arrangement Termination Date Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights 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] Conversion terms, percentage sales price exceeds conversion price Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Entity Address, City or Town Entity Address, City or Town Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Ground property and equipment Ground Property and Equipment, Gross The gross amount of long-lived, depreciable ground property and equipment. Debt Instrument [Axis] Debt Instrument [Axis] 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] Net income (loss) Net income (loss) Net (loss) income Total reclassifications for the period, net of tax Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Investments, Debt and Equity Securities [Abstract] 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 Modification of share-based awards Adjustments To Additional Paid In Capital, Modification Of Share-Based Awards Adjustments To Additional Paid In Capital, Modification Of Share-Based Awards Interest Rate Scenario [Domain] Interest Rate Scenario [Domain] Interest Rate Scenario [Domain] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Operating property and equipment Property, Plant and Equipment, Net [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Flight equipment Flight Equipment, Gross Entity File Number Entity File Number Revenue Recognition Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Republic Airways Holdings, Inc. Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Revenue from External Customers by Products and Services [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Latin America Latin America Destination [Member] Severance expenses Severance Costs Total Assets, Fair Value Disclosure Other accrued liabilities Other Accrued Liabilities, Current Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date 8.50% Senior Notes 8.50% Senior Secured Notes Due 2029 [Member] 8.50% Senior Secured Notes Due 2029 Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Base Rate Base Rate [Member] Asset Class [Axis] Asset Class [Axis] Insider Trading Arrangements [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Recognition of revenue Recognition of revenue Contract with Customer, Liability, Revenue Recognized Decrease in restricted short-term investments Increase (Decrease) of Restricted Investments Term Loan Term Loan [Member] Term Loan Adjustment to Compensation: Adjustment to Compensation [Axis] Prepaid expenses and other Prepaid Expense and Other Assets, Current Document Transition Report Document Transition Report 2014 Revolving Facility Credit Facility 2014 [Member] Credit Facility 2014 [Member] Document Quarterly Report Document Quarterly Report Payroll Support Program Promissory Note One, CARES Act Payroll Support Program Promissory Note One, CARES Act [Member] Payroll Support Program Promissory Note One, CARES Act Restricted payments liquidity requirement Line Of Credit Facility, Covenant Terms, Restricted Payments Liquidity Requirement Line Of Credit Facility, Covenant Terms, Restricted Payments Liquidity Requirement Litigation Case [Domain] Litigation Case [Domain] Pension, retiree medical and other postretirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated other comprehensive loss Beginning balance, net of tax Ending balance, net of tax Total Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained Deficit Retained Earnings [Member] AAdvantage Term Loan Facility AAdvantage Term Loan Facility [Member] AAdvantage Term Loan Facility Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Debt instrument, basis spread on variable rate, interest rate margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Related Party [Axis] Related and Nonrelated Parties [Axis] Basic (in shares) Weighted average common shares outstanding (in thousands) (in shares) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Regional expenses Airline, Capacity Purchase Arrangements Document Information [Table] Document Information [Table] Restricted stock unit awards Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] 2013 Revolving Facility Credit Facility 2013 [Member] Credit Facility 2013 Name Awards Close in Time to MNPI Disclosures, Individual Name Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Entity Filer Category Entity Filer Category Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Assumed conversion of 6.50% convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Letter of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name Other revenue Other Revenue [Member] Other Revenue [Member]