Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Disaggregation of Net Revenues) (Details)

v3.19.3
Revenue Recognition (Disaggregation of Net Revenues) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Disaggregation of Revenue [Line Items]        
Net Revenues $ 560 $ 604 $ 1,561 $ 1,341
Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 140 138 368 332
Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 167 151 421 359
License and other revenues from former Parent        
Disaggregation of Revenue [Line Items]        
Net Revenues 35 36 97 79
Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 161 219 476 398
Other        
Disaggregation of Revenue [Line Items]        
Net Revenues 45 28 111 83
Reportable Segments        
Disaggregation of Revenue [Line Items]        
Net Revenues 559 600 1,557 1,337
Reportable Segments | Hotel Franchising        
Disaggregation of Revenue [Line Items]        
Net Revenues 379 348 979 840
Reportable Segments | Hotel Franchising | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 136 137 359 326
Reportable Segments | Hotel Franchising | Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 166 151 418 357
Reportable Segments | Hotel Franchising | License and other revenues from former Parent        
Disaggregation of Revenue [Line Items]        
Net Revenues 35 36 97 79
Reportable Segments | Hotel Franchising | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues 42 24 105 78
Reportable Segments | Hotel Management        
Disaggregation of Revenue [Line Items]        
Net Revenues 180 252 578 497
Reportable Segments | Hotel Management | Royalties and franchise fees        
Disaggregation of Revenue [Line Items]        
Net Revenues 4 1 9 6
Reportable Segments | Hotel Management | Marketing, reservation and loyalty        
Disaggregation of Revenue [Line Items]        
Net Revenues 1 0 3 2
Reportable Segments | Hotel Management | Hotel management - owned properties        
Disaggregation of Revenue [Line Items]        
Net Revenues 18 17 67 58
Reportable Segments | Hotel Management | Hotel management - managed properties        
Disaggregation of Revenue [Line Items]        
Net Revenues (6) 15 21 32
Reportable Segments | Hotel Management | Cost reimbursements        
Disaggregation of Revenue [Line Items]        
Net Revenues 161 219 476 398
Reportable Segments | Hotel Management | Other        
Disaggregation of Revenue [Line Items]        
Net Revenues 2 0 2 1
Corporate and Other        
Disaggregation of Revenue [Line Items]        
Net Revenues $ 1 $ 4 $ 4 $ 4