Quarterly report [Sections 13 or 15(d)]

Franchising, Marketing and Reservation Activities - Condensed Consolidated Balance Sheet (Details)

v3.25.2
Franchising, Marketing and Reservation Activities - Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Franchisees and hotel owners    
Disaggregation of Revenue [Line Items]    
Development advance notes $ 356 $ 308