Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Net revenues $ 1,565 $ 1,300 $ 2,053
Adjusted EBITDA 590 336 621
Payments to Acquire Property, Plant, and Equipment 37 33 50
Depreciation and amortization 95 98 109
Total assets 4,269 4,644 4,533
Corporate and Other      
Segment Reporting Information [Line Items]      
Net revenues 0 0 6
Adjusted EBITDA (59) (69) (74)
Payments to Acquire Property, Plant, and Equipment 3 5 7
Depreciation and amortization 9 10 11
Other Segments      
Segment Reporting Information [Line Items]      
Total assets 300 597 216
Reportable Segments | Hotel Franchising      
Segment Reporting Information [Line Items]      
Net revenues 1,099 863 1,279
Adjusted EBITDA 592 392 629
Payments to Acquire Property, Plant, and Equipment 30 24 35
Depreciation and amortization 60 63 72
Total assets 3,575 3,629 3,817
Reportable Segments | Hotel Management      
Segment Reporting Information [Line Items]      
Net revenues 466 437 768
Adjusted EBITDA 57 13 66
Payments to Acquire Property, Plant, and Equipment 4 4 8
Depreciation and amortization 26 25 26
Total assets $ 394 $ 418 $ 500