Quarterly report [Sections 13 or 15(d)]

Franchising, Marketing and Reservation Activities - Narrative (Details)

v3.26.1
Franchising, Marketing and Reservation Activities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disaggregation of Revenue [Line Items]    
Royalties and franchise fee revenues $ 327 $ 316
Non-cash development advance note   1
Deferred initial franchise fee revenues    
Disaggregation of Revenue [Line Items]    
Royalties and franchise fee revenues $ 4 $ 5