v3.22.2.2
Revenue Recognition - Revenue by Geographic Region (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Operating revenue $ 13,975 $ 9,154 $ 37,147 $ 20,429
Domestic        
Disaggregation of Revenue [Line Items]        
Operating revenue 10,118 7,311 28,322 16,572
Atlantic        
Disaggregation of Revenue [Line Items]        
Operating revenue 2,705 954 5,538 1,688
Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue 752 653 2,417 1,620
Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue 400 236 870 549
Passenger        
Disaggregation of Revenue [Line Items]        
Operating revenue 11,464 7,191 29,329 15,278
Passenger | Domestic        
Disaggregation of Revenue [Line Items]        
Operating revenue 8,154 5,759 22,035 12,517
Passenger | Atlantic        
Disaggregation of Revenue [Line Items]        
Operating revenue 2,313 730 4,553 1,160
Passenger | Latin America        
Disaggregation of Revenue [Line Items]        
Operating revenue 659 564 2,084 1,313
Passenger | Pacific        
Disaggregation of Revenue [Line Items]        
Operating revenue $ 338 $ 138 $ 657 $ 288