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Revenue - Air Traffic Liability - Loyalty Program Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Beginning balance | $ 4,841 | $ 4,987 | $ 4,849 | $ 4,916
Amounts deferred associated with points awarded | 748 | 901 | 1,565 | 1,794
Ending balance | 4,693 | 4,962 | 4,693 | 4,962
Passenger Customer |  |  |  |
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Revenue recognized from points redeemed | (870) | (895) | (1,670) | (1,694)
Other |  |  |  |
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Revenue recognized from points redeemed | $ (26) | $ (31) | $ (51) | $ (54)

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- Definition Contract With Customer Liability, Air Traffic Liability, Loyalty Program + References No definition available. + Details
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- Definition Contract With Customer Liability, Air Traffic Liability, Loyalty Program, Awarded Points + References No definition available. + Details
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- Definition Contract With Customer, Liability, Loyalty Program, Revenue Recognized + References No definition available. + Details
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- Details
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- Details
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