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Revenue Recognition - Changes in Loyalty Program Liability (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Movement In Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | $ 15,527 |
Ending balance | 18,138 |
American Airlines, Inc. |  |
Movement In Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | 15,527 |
Ending balance | 18,138 |
Loyalty program liability |  |
Movement In Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | 9,327 |
Deferral of revenue | 1,159 |
Recognition of revenue | (874) |
Ending balance | $ 9,612 |
Inactive period before expiration of mileage credits | 24 months |
Deferred revenue, current | $ 3,618 | $ 3,453
Revenue recognition term | 12 months |
Loyalty program liability | American Airlines, Inc. |  |
Movement In Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | $ 9,327 |
Deferral of revenue | 1,159 |
Recognition of revenue | (874) |
Ending balance | $ 9,612 |
Inactive period before expiration of mileage credits | 24 months |
Deferred revenue, current | $ 3,618 | $ 3,453
Revenue recognition term | 12 months |

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