v3.26.1
VARIABLE INTEREST ENTITIES - Schedule of Interest Income and Expense Recognized as a Result of Our Involvement with Variable Interest Entities (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Variable Interest Entity [Line Items]    
Interest income $ 90 $ 86
Variable Interest Entity    
Variable Interest Entity [Line Items]    
Interest income 78  
Interest expense 28  
Debt issuance cost amortization 3  
Variable Interest Entity | Vacation Ownership Notes Receivable Securitizations    
Variable Interest Entity [Line Items]    
Interest income 67  
Interest expense 25  
Debt issuance cost amortization 3  
Variable Interest Entity | Warehouse Credit Facility    
Variable Interest Entity [Line Items]    
Interest income 11  
Interest expense 3  
Debt issuance cost amortization $ 0