v3.24.2
Revenue Recognition (Contract Liabilities) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Disaggregation of Revenue [Line Items]        
Contract liabilities $ 454 $ 444 $ 424 $ 400
Contract with Customer, Liability, Revenue Recognition Term 1 year      
Deferred subscription revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities $ 159 161    
Deferred VOI trial package revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities $ 140 136    
Deferred VOI trial package revenue | Vacation Ownership        
Disaggregation of Revenue [Line Items]        
Contract with Customer, Liability, Revenue Recognition Term 3 years      
Deferred VOI incentive revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities $ 84 81    
Deferred VOI incentive revenue | Vacation Ownership        
Disaggregation of Revenue [Line Items]        
Contract with Customer, Liability, Revenue Recognition Term 2 years      
Deferred exchange-related revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities [1] $ 60 59    
Deferred co-branded credit card programs revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities 5 6    
Deferred other revenue        
Disaggregation of Revenue [Line Items]        
Contract liabilities $ 6 $ 1    
[1] Includes contractual liabilities to accommodate members for cancellations due to unexpected events. These amounts are included within Accrued expenses and other liabilities on the Condensed Consolidated Balance Sheets.