v3.25.4
GOODWILL AND INTANGIBLE ASSETS - Goodwill and Indefinite-Lived Intangible Assets by Category (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Goodwill and indefinite-lived intangible assets    
Goodwill $ 9,753 $ 9,753
Total 15,671 15,671
International routes and slots    
Goodwill and indefinite-lived intangible assets    
Indefinite-lived intangibles 2,583 2,583
Airline alliances    
Goodwill and indefinite-lived intangible assets    
Indefinite-lived intangibles 1,863 1,863
Delta tradename    
Goodwill and indefinite-lived intangible assets    
Indefinite-lived intangibles 850 850
Domestic slots    
Goodwill and indefinite-lived intangible assets    
Indefinite-lived intangibles $ 622 $ 622