Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Segment Information (Summary of Net Revenues and Adjusted EBITDA by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Segment Reporting Information [Line Items]        
Net Revenues $ 362 $ 386 $ 674 $ 757
Adjusted EBITDA 158 175 305 334
Reportable Segments        
Segment Reporting Information [Line Items]        
Net Revenues   386   757
Adjusted EBITDA   191   366
Reportable Segments | Hotel Franchising (a)        
Segment Reporting Information [Line Items]        
Net Revenues 362 335 674 606
Adjusted EBITDA 175 185 339 340
Reportable Segments | Hotel Management        
Segment Reporting Information [Line Items]        
Net Revenues   51   151
Adjusted EBITDA   6   26
Corporate, Non-Segment        
Segment Reporting Information [Line Items]        
Net Revenues 0 0 0 0
Adjusted EBITDA $ (17) $ (16) $ (34) $ (32)