Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details)

v3.20.2
Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Segment Reporting Information [Line Items]        
Net Revenues $ 337 $ 560 $ 1,004 $ 1,561
Adjusted EBITDA 101 190 271 461
Reportable Segments        
Segment Reporting Information [Line Items]        
Net Revenues 337 559 1,004 1,557
Adjusted EBITDA 119 208 322 515
Reportable Segments | Hotel Franchising        
Segment Reporting Information [Line Items]        
Net Revenues 236 379 661 979
Adjusted EBITDA 117 195 308 470
Reportable Segments | Hotel Management        
Segment Reporting Information [Line Items]        
Net Revenues 101 180 343 578
Adjusted EBITDA 2 13 14 45
Corporate and Other        
Segment Reporting Information [Line Items]        
Net Revenues 0 1 0 4
Adjusted EBITDA $ (18) $ (18) $ (51) $ (54)