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Supplemental Cash Flow Information [Abstract] Total noncurrent liabilities Total noncurrent liabilities Liabilities, Noncurrent Remaining escrowed proceeds Debt Instrument, Escrowed Proceeds Debt Instrument, Escrowed Proceeds Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Level 1 Fair Value, Inputs, Level 1 [Member] Assumed conversion of 6.50% convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Atlantic Atlantic Destination [Member] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Net cash provided by operating activities Net 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[Member] GOL Linhas Aéreas Inteligentes S.A. Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share PSP1 Warrants Payroll Support Program One Warrants, CARES Act [Member] Payroll Support Program One Warrants, CARES Act Other comprehensive loss before reclassifications, tax Other Comprehensive Income (Loss) before Reclassifications, Tax Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Investment, Name [Axis] Investment, Name [Axis] Pension Benefits Pension Plan [Member] Fair Value Measurements and Other Investments Fair Value Disclosures [Text Block] NOL carryforwards Operating Loss Carryforwards Trading Symbol Trading Symbol Entity File Number Entity File Number 6.50% convertible senior notes Convertible Debt Securities [Member] Aircraft rent Aircraft Rental Amounts reclassified from AOCI, tax Reclassification from AOCI, Current Period, Tax Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Loyalty program liability Contract with Customer, Liability, Noncurrent Purchases of short-term investments Payments to Acquire Short-Term Investments Entity Information [Line Items] Entity Information [Line Items] Restricted stock unit awards Restricted Stock Units (RSUs) [Member] Schedule of Line of Credit Schedule of Line of Credit Facilities [Table Text Block] 2021-1 EETC - Series B 2021-1 EETC - Series B [Member] 2021-1 EETC - Series B Payments for salary and medical costs Payments For Restructuring, Salary And Medical Costs Payments For Restructuring, Salary And Medical Costs American Airlines, Inc. American Airlines, Inc. [Member] American Airlines, Inc. 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Arrangement, Increase for Cost Recognition Total current liabilities Total current liabilities Liabilities, Current Restricted cash and short-term investments Restricted Cash and Investments, Current 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] Regional Expenses Regional Operating Expenses [Text Block] Regional Operating Expenses [Text Block] 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] Nonoperating income (expense): Nonoperating Income (Expense) [Abstract] Mark-to-market adjustments on equity and other investments, net Equity Securities, FV-NI, Unrealized Gain (Loss) 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] Income Tax Authority [Domain] Income Tax Authority [Domain] Other financing activities Proceeds from (Payments for) Other Financing Activities Contract balances, liability Beginning balance Ending balance Contract with Customer, Liability Other assets Other Assets, Noncurrent [Abstract] Product and Service [Axis] Product and Service [Axis] Class Of Stock [Domain] Class of Stock [Domain] Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Ground property and equipment Ground Property and Equipment, Gross The gross amount of long-lived, depreciable ground property and equipment. Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Interest expense, net Interest Expense Credit Facility [Axis] Credit Facility [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] 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 Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Equity [Abstract] Equity [Abstract] Domestic Domestic Destination [Member] Entity Tax Identification Number Entity Tax Identification Number Republic Airways Holdings, Inc. Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Purchase of equity investment Purchase of equity investment Payments to Acquire Equity Securities, FV-NI 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 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 Components of Special Items, Net in Condensed 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 Measurement Frequency [Axis] Measurement Frequency [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 Other accrued liabilities Other Accrued Liabilities, Current 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] 2014 Revolving Facility Credit Facility 2014 [Member] Credit Facility 2014 [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] 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 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Pacific Pacific Destination [Member] Sale of Stock [Axis] Sale of Stock [Axis] 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] Non-cash transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Other liabilities Other Liabilities, Noncurrent Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 2013 Revolving Facility Credit Facility 2013 [Member] Credit Facility 2013 [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] 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. Right-of-use (ROU) assets acquired through operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Retiree Medical and Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Other revenue Other Revenue [Member] Other Revenue [Member] Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2020-06 [Member]