Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Disaggregation of Net Revenues) (Details)

v3.23.3
Revenue Recognition (Disaggregation of Net Revenues) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Disaggregation of Revenue [Line Items]        
Net Revenues $ 402 $ 407 $ 1,076 $ 1,164
Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 152 152 415 394
Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 179 159 445 416
Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 2 32 12 119
Other        
Disaggregation of Revenue [Line Items]        
Net Revenues 36 33 110 107
Reportable Segments        
Disaggregation of Revenue [Line Items]        
Net Revenues   407   1,164
Reportable Segments | Hotel Franchising (a)        
Disaggregation of Revenue [Line Items]        
Net Revenues 402 367 1,076 974
Reportable Segments | Hotel Franchising (a) | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 152 148 415 381
Reportable Segments | Hotel Franchising (a) | Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 179 159 445 416
Reportable Segments | Hotel Franchising (a) | License and other fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 30 28 83 74
Reportable Segments | Hotel Franchising (a) | Management fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 3 0 11 0
Reportable Segments | Hotel Franchising (a) | Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 2 0 12 0
Reportable Segments | Hotel Franchising (a) | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues $ 36 32 $ 110 103
Reportable Segments | Hotel Management        
Disaggregation of Revenue [Line Items]        
Net Revenues   40   190
Reportable Segments | Hotel Management | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues   4   13
Reportable Segments | Hotel Management | Owned hotel revenues        
Disaggregation of Revenue [Line Items]        
Net Revenues   0   42
Reportable Segments | Hotel Management | Management fees        
Disaggregation of Revenue [Line Items]        
Net Revenues   3   12
Reportable Segments | Hotel Management | Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues   32   119
Reportable Segments | Hotel Management | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues   $ 1   $ 4