Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Disaggregation of Net Revenues) (Details)

v3.23.2
Revenue Recognition (Disaggregation of Net Revenues) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Disaggregation of Revenue [Line Items]        
Net Revenues $ 362 $ 386 $ 674 $ 757
Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 142 133 263 242
Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 145 145 265 257
Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 4 32 9 88
Other        
Disaggregation of Revenue [Line Items]        
Net Revenues 37 33 76 73
Reportable Segments        
Disaggregation of Revenue [Line Items]        
Net Revenues   386   757
Reportable Segments | Hotel Franchising (a)        
Disaggregation of Revenue [Line Items]        
Net Revenues 362 335 674 606
Reportable Segments | Hotel Franchising (a) | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 142 131 263 232
Reportable Segments | Hotel Franchising (a) | Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 145 145 265 257
Reportable Segments | Hotel Franchising (a) | License and other fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 29 27 53 46
Reportable Segments | Hotel Franchising (a) | Management fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 5 0 8 0
Reportable Segments | Hotel Franchising (a) | Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 4 0 9 0
Reportable Segments | Hotel Franchising (a) | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues $ 37 32 $ 76 71
Reportable Segments | Hotel Management        
Disaggregation of Revenue [Line Items]        
Net Revenues   51   151
Reportable Segments | Hotel Management | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues   2   10
Reportable Segments | Hotel Management | Owned hotel revenues        
Disaggregation of Revenue [Line Items]        
Net Revenues   13   42
Reportable Segments | Hotel Management | Management fees        
Disaggregation of Revenue [Line Items]        
Net Revenues   3   9
Reportable Segments | Hotel Management | Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues   32   88
Reportable Segments | Hotel Management | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues   $ 1   $ 2