v3.26.3
Commitments and Contingencies - Schedule of Capital Commitments (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
aircraft
Sep. 30, 2026
USD ($)
aircraft
Oct. 22, 2026
USD ($)
Subsequent Event      
Unrecorded Unconditional Purchase Obligation [Line Items]      
2027     $ 2,800
-8 Firm Orders      
Unrecorded Unconditional Purchase Obligation [Line Items]      
Number of aircraft deliveries | aircraft 20 43  
Aircraft      
Unrecorded Unconditional Purchase Obligation [Line Items]      
Remainder of 2026 $ 3,500 $ 3,500  
2027 3,100 3,100  
2028 2,700 2,700  
2029 2,500 2,500  
2030 1,500 1,500  
2031 1,200 1,200  
Total 14,500 14,500  
Aircraft | Year 2026 | MAX      
Unrecorded Unconditional Purchase Obligation [Line Items]      
Remainder of 2026 2,700 $ 2,700  
Number of aircraft deliveries | aircraft   86  
Aircraft | Year 2024 and 2025 | MAX      
Unrecorded Unconditional Purchase Obligation [Line Items]      
2027 $ 800 $ 800  
Number of aircraft deliveries | aircraft   38  
Aircraft | Year 2024 and 2025 | -7 Firm Orders      
Unrecorded Unconditional Purchase Obligation [Line Items]      
Number of aircraft deliveries | aircraft   27  
Aircraft | Year 2024 and 2025 | -8 Firm Orders      
Unrecorded Unconditional Purchase Obligation [Line Items]      
Number of aircraft deliveries | aircraft   11