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

Revenue Recognition (Disaggregation of Net Revenues) (Details)

v3.25.4
Revenue Recognition (Disaggregation of Net Revenues) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ 1,429 $ 1,404 $ 1,384
Net revenues 1,429 1,408 1,397
Royalties and franchise fees      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 541 555 532
Marketing, reservation and loyalty      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 562 563 578
License and other fees      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 126 119 112
Hotel management - managed properties      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues   10 14
Cost reimbursements      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 0 4 13
Other      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 191 157 148
Marketing and reservation fees      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 471 467 487
Deferred loyalty program revenue      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 91 96 91
Partnership fees      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues 96 69 65
Other Products and Services Excluding Partnership Fees      
Disaggregation of Revenue [Line Items]      
Fee-related and other revenues $ 95 $ 88 $ 83