v3.24.0.1
Revenue Recognition - Revenue Recognized By Revenue (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Passenger revenue      
Passenger travel $ 8,403 $ 8,078 $ 5,304
Loyalty revenue - air transportation 605 508 305
Other revenue      
Loyalty revenue 422 391 306
Other revenue 185 181 122
Total operating revenue $ 9,615 $ 9,158 $ 6,037