v3.25.2
Commitments and Contingencies - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2023
Jun. 30, 2025
USD ($)
airframe
engine
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Feb. 28, 2023
lawsuit
Dec. 31, 2022
lawsuit
Jul. 14, 2022
pilot_instructor
Unrecorded Unconditional Purchase Obligation [Line Items]              
Assets held for sale   $ 57 $ 57 $ 33      
Restricted cash and cash equivalents   235 235        
Restricted assets pledged under letter of credit   71 71        
Letters of credit   57 57        
Restricted assets pledged related to workers compensation insurance policies and other business partner agreements   $ 42 $ 42        
Percentage of employees represented by unions under collective bargaining agreements   50.00% 50.00%        
Percentage of employees represented by unions under collective bargaining agreements, will become amendable within one year   22.00% 22.00%        
Collective bargaining agreement contract extension period 2 years            
Number of flight instructor | pilot_instructor             35
Employment agreement term     5 years        
Automatic renewal term, employment agreement, term     5 years        
Renewal notice period, employment agreement, period     90 days        
Loss contingency, pending claims, number | lawsuit         4 4  
Embraer E190 fleet              
Unrecorded Unconditional Purchase Obligation [Line Items]              
Number of airframes sold | airframe   25          
Number of engines sold | engine   59          
Disposal consideration   $ 9 $ 9        
JFK Millennium Partner LLC              
Unrecorded Unconditional Purchase Obligation [Line Items]              
Letters of credit   $ 65 $ 65        
Ownership percentage   5.00% 5.00%