Annual report [Section 13 and 15(d), not S-K Item 405]

Intangible Assets (Change in Goodwill) (Details)

v3.25.4
Intangible Assets (Change in Goodwill) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Goodwill [Roll Forward]    
Goodwill, Beginning $ 1,525 $ 1,525
Goodwill, Other Increase (Decrease) 0 0
Goodwill, Ending 1,525 1,525
Hotel Franchising Segment [Member]    
Goodwill [Roll Forward]    
Goodwill, Beginning   1,441
Goodwill, Other Increase (Decrease) 0 0
Goodwill, Ending 1,441  
Hotel Management Segment [Member]    
Goodwill [Roll Forward]    
Goodwill, Beginning   84
Goodwill, Other Increase (Decrease) 0 $ 0
Goodwill, Ending $ 84