Annual report pursuant to Section 13 and 15(d)

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

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Franchising, Marketing and Reservation Activities (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ 1,354 $ 1,245 $ 950
Initial franchise fee revenue      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 15 14 20
Forgiveness of note receivable      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ (12) $ (11) $ (9)