v3.25.3
Commitments and Contingencies - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 25, 2025
USD ($)
Oct. 23, 2025
USD ($)
option
Sep. 30, 2025
aircraft
Sep. 30, 2025
option
aircraft
Dec. 27, 2019
claim
Long-term Purchase Commitment [Line Items]          
Number of aircraft retirements     16    
Litigation settlement, amount awarded to other party | $ $ 18.5        
Litigation settlement, period of differential pay benefit per year 10 days        
Litigation settlement, period of fund and relief 5 years        
Number of claims alleged in litigation case | claim         7
Subsequent Event          
Long-term Purchase Commitment [Line Items]          
Capital commitments, 2026 | $   $ 2,500.0      
Capital commitments, 2027 | $   $ 2,600.0      
B737-8          
Long-term Purchase Commitment [Line Items]          
Number of aircraft deliveries     8 36  
B-737-700          
Long-term Purchase Commitment [Line Items]          
Number of aircraft retirements     15    
B-737-800          
Long-term Purchase Commitment [Line Items]          
Number of aircraft retirements     1    
B737-7          
Long-term Purchase Commitment [Line Items]          
Number of aircraft options exercised     4    
B737-7 | Year 2025          
Long-term Purchase Commitment [Line Items]          
Number of aircraft orders converted | option       42  
B737-7 | Subsequent Event | Year 2025          
Long-term Purchase Commitment [Line Items]          
Number of aircraft orders converted | option   1      
B737-7 | Subsequent Event | Year 2027          
Long-term Purchase Commitment [Line Items]          
Number of aircraft options exercised | option   2      
B737-7 | Subsequent Event | Year 2026          
Long-term Purchase Commitment [Line Items]          
Number of aircraft orders converted | option   5