Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Segment Reporting Information [Line Items]    
Net Revenues $ 313 $ 371
Adjusted EBITDA 147 159
Reportable Segments    
Segment Reporting Information [Line Items]    
Net Revenues   371
Adjusted EBITDA   175
Reportable Segments | Hotel Franchising (a)    
Segment Reporting Information [Line Items]    
Net Revenues 313 272
Adjusted EBITDA 164 155
Reportable Segments | Hotel Management    
Segment Reporting Information [Line Items]    
Net Revenues   99
Adjusted EBITDA   20
Corporate, Non-Segment    
Segment Reporting Information [Line Items]    
Net Revenues 0 0
Adjusted EBITDA $ (17) $ (16)