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v3.24.0.1

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended | 24 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) component reporting_unit $ / shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Oct. 21, 2020 USD ($) | Sep. 25, 2020 USD ($)
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0.01 | $ 0.01 |  |  |  |
Proceeds from government assistance, payroll support program, CARES Act |  |  |  |  | $ 12,786 |  |
Consolidated reporting unit | reporting_unit |  | 1 |  |  |  |  |
Goodwill impairment |  | $ 0 |  |  |  |  |
Goodwill |  | 4,091 | $ 4,091 |  |  |  |
Amortization expense |  | 7 | 41 | $ 41 |  |  |
Impairment of intangible assets, indefinite-lived (excluding goodwill) |  | 0 |  |  |  |  |
Indefinite lived intangible assets |  | 1,900 | 1,900 |  |  |  |
Advertising expense |  | 114 | 105 | 105 |  |  |
Foreign currency gains (losses) |  | $ (30) | $ (38) | (4) |  |  |
Account Receivable from Business Partners |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Contract receivables settlement duration |  | 30 days |  |  |  |  |
Account Receivable from Ticket Sales |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Contract receivables settlement duration |  | 7 days |  |  |  |  |
Line of Credit | Treasury Term Loan Facility |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Warrants, number of warrant shares of common stock | shares | 4,400,000 |  |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ / shares | $ 12.51 |  |  |  |  |  |
American Airlines, Inc. |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 1.00 | $ 1.00 |  |  |  |
Proceeds from government assistance, payroll support program, CARES Act |  |  |  |  | $ 12,786 |  |
Consolidated reporting unit | reporting_unit |  | 1 |  |  |  |  |
Goodwill impairment |  | $ 0 |  |  |  |  |
Goodwill |  | 4,091 | $ 4,091 |  |  |  |
Amortization expense |  | 7 | 41 | 41 |  |  |
Impairment of intangible assets, indefinite-lived (excluding goodwill) |  | 0 |  |  |  |  |
Indefinite lived intangible assets |  | 1,900 | 1,900 |  |  |  |
Advertising expense |  | 114 | 105 | 105 |  |  |
Foreign currency gains (losses) |  | $ (30) | $ (38) | $ (4) |  |  |
American Airlines, Inc. | Line of Credit | Treasury Term Loan Facility |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  | $ 7,500 | $ 5,500
Proceeds from lines of credit | $ 550 |  |  |  |  |  |
Air traffic liability |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 1 year |  |  |  |  |
Contract term |  | 12 |  |  |  |  |
Recognition of revenue |  | $ 5,300 |  |  |  |  |
Air traffic liability | American Airlines, Inc. |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 1 year |  |  |  |  |
Payment term |  | 12 months |  |  |  |  |
Recognition of revenue |  | $ 5,300 |  |  |  |  |
Loyalty program liability |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Payment term |  | 30 days |  |  |  |  |
Number of revenue components | component |  | 2 |  |  |  |  |
Recognition of revenue |  | $ 3,628 |  |  |  |  |
Loyalty program liability | American Airlines, Inc. |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Payment term |  | 30 days |  |  |  |  |
Number of revenue components | component |  | 2 |  |  |  |  |
Recognition of revenue |  | $ 3,628 |  |  |  |  |
Loyalty program liability | Minimum |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 1 year |  |  |  |  |
Loyalty program liability | Minimum | American Airlines, Inc. |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 1 year |  |  |  |  |
Loyalty program liability | Maximum |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 6 years |  |  |  |  |
Loyalty program liability | Maximum | American Airlines, Inc. |  |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |  |
Performance obligation term |  | 6 years |  |  |  |  |

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