Annual report pursuant to Section 13 and 15(d)

Transactions With Former Parent (Narrative) (Details)

v3.22.4
Transactions With Former Parent (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]          
Accrued Liabilities, Current   $ 264 $ 258    
Other non-current liabilities          
Related Party Transaction [Line Items]          
Remaining amount of contingent liability assumed   17 18    
Current liabilities          
Related Party Transaction [Line Items]          
Remaining amount of contingent liability assumed   3 5    
Other current assets          
Related Party Transaction [Line Items]          
Receivables due from former parent   3 4    
Affiliated Entity | Licensing Agreements          
Related Party Transaction [Line Items]          
Revenue from former parent   7 5 $ 6  
Affiliated Entity | Wyndham Rewards          
Related Party Transaction [Line Items]          
Revenue from former parent   10 9 13  
Affiliated Entity | Sale of European Vacation Rentals Business          
Related Party Transaction [Line Items]          
Post closing-adjustment to reduce net consideration         $ 44
Accrued Liabilities, Current     2    
Former Parent's Post-Closing Adjustment   7      
Payments for Legal Settlements $ 2        
Wyndham Worldwide | Licensing Agreements          
Related Party Transaction [Line Items]          
Revenue from former parent   $ 83 $ 65 $ 65