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Revenue - Air Traffic Liability - Loyalty Program Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Beginning balance | $ 4,884 | $ 4,623 | $ 4,789 | $ 4,447
Amounts deferred associated with points awarded | 842 | 656 | 1,579 | 1,121
Ending balance | 4,884 | 4,719 | 4,884 | 4,719
Passenger Customer |  |  |  |
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Revenue recognized from points redeemed | (821) | (549) | (1,445) | (826)
Other |  |  |  |
Change in Contract With Customer, Liability [Roll Forward] |  |  |  |
Revenue recognized from points redeemed | $ (21) | $ (11) | $ (39) | $ (23)

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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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