v3.25.2
Commitments and Contingencies - Flight Equipment Commitments (Details)
$ in Millions
Jun. 30, 2025
USD ($)
aircraft
Unrecorded Unconditional Purchase Obligation [Line Items]  
Remainder of 2025 | $ $ 496
2026 | $ 717
2027 | $ 359
2028 | $ 420
2029 | $ 324
Thereafter | $ 3,775
Total | $ $ 6,091
Remainder of 2025 13
2026 17
2027 7
2028 9
2029 7
Thereafter 45
Total 98
Airbus A220  
Unrecorded Unconditional Purchase Obligation [Line Items]  
Remainder of 2025 12
2026 16
2027 7
2028 9
2029 7
Thereafter 1
Total 52
Number of available aircraft 20
Airbus A321neo (2)  
Unrecorded Unconditional Purchase Obligation [Line Items]  
Remainder of 2025 1
2026 1
2027 0
2028 0
2029 0
Thereafter 44
Total 46
Number Of Airbus 2