Annual report pursuant to Section 13 and 15(d)

Franchising, Marketing and Reservation Activities (Narrative) (Details)

v3.25.0.1
Franchising, Marketing and Reservation Activities (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ 1,404 $ 1,384 $ 1,354
Restricted cash 10 0  
Forgiveness of note receivable      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues (24) (15) (12)
Deferred initial franchise fee revenue      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ 22 $ 16 $ 15