Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.4
Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Summary of Significant Accounting Policies [Line Items]      
Restricted cash (VIE - $83 as of 2022 and $84 as of 2021) $ 138 $ 128 $ 121
VOI purchaser funds, percentage 100.00%    
Escrow deposit $ 48 42  
Capitalized interest on inventory 0 0 1
Software developed or obtained for internal use 145 156  
Goodwill, Impairment Loss 0 0 0
Marketing and General and administrative      
Summary of Significant Accounting Policies [Line Items]      
Advertising expense $ 30 33 26
Building & leasehold improvements      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 30 years    
Interest Expense      
Summary of Significant Accounting Policies [Line Items]      
Software developed or obtained for internal use $ 1 1 $ 1
Minimum      
Summary of Significant Accounting Policies [Line Items]      
Average rescission period 5 days    
Minimum | Software Development      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 3 years    
Minimum | Furniture, fixtures and equipment      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 3 years    
Maximum      
Summary of Significant Accounting Policies [Line Items]      
Average rescission period 7 days    
Maximum | Leasehold Improvements [Member]      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 20 years    
Maximum | Vacation Rental Properties      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 30 years    
Maximum | Software Development      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 5 years    
Maximum | Furniture, fixtures and equipment      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 7 years    
Maximum | Capitalized software      
Summary of Significant Accounting Policies [Line Items]      
Useful lives 10 years    
Securitization restricted Cash [Member]      
Summary of Significant Accounting Policies [Line Items]      
Restricted cash (VIE - $83 as of 2022 and $84 as of 2021) $ 83 84  
Funds on deposit      
Summary of Significant Accounting Policies [Line Items]      
Restricted cash (VIE - $83 as of 2022 and $84 as of 2021) $ 7 $ 2