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COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Unrecorded Unconditional Purchase Obligations Disclosure
Details for contractual aircraft delivery commitments:
Firm OrdersOptions and Other Rights
Aircraft Type2026-20352028-2035
B73717471
B78712—
E1753—
   Total18971
A summary of aircraft and capacity purchase agreement commitments:
(in millions)
Aircraft
Capacity Purchase Agreements
2026$890 $207 
20271,570 213 
20281,687 219 
20291,179 224 
20301,043 150 
Thereafter4,253 133 
Total$10,622 $1,146