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Revenue Recognition - Contract Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Revenue from Contract with Customer [Abstract] |  |
Air traffic liability - passenger travel | $ 1,354 | $ 1,099
Air traffic liability - loyalty program (air transportation) | 1,076 | 1,072
Deferred revenue | 472 | 487
Total | $ 2,902 | $ 2,658

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- Definition Air Traffic Liability - Loyalty Program And Deferred Revenue + References No definition available. + Details
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- Definition Air Traffic Liability - Passenger Travel + References No definition available. + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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