v3.26.3
Vacation Ownership Contract Receivables (Current And Long-Term Vacation Ownership Contract Receivables) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivables [Line Items]        
Non-securitized contract receivables $ 3,434 $ 3,301    
Unamortized non-credit acquisition (premium) (1) 0    
Financing Receivable, Allowance for Credit Loss 748 663 $ 654 $ 614
Vacation ownership contract receivables, net 2,687 2,638    
Securitized        
Accounts, Notes, Loans and Financing Receivables [Line Items]        
Non-securitized contract receivables 2,171 2,281    
Securitized | Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNet        
Accounts, Notes, Loans and Financing Receivables [Line Items]        
Interest receivables on securitized contract receivables 18 19    
Non-securitized        
Accounts, Notes, Loans and Financing Receivables [Line Items]        
Non-securitized contract receivables 1,263 1,020    
Non-securitized | Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNet        
Accounts, Notes, Loans and Financing Receivables [Line Items]        
Interest receivables on securitized contract receivables $ 9 $ 8