v3.26.1
FINANCIAL INSTRUMENTS - Schedule of Carrying Values and Estimated Fair Values - Non-securitized Notes Receivable (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net $ 2,587 $ 2,565
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,679 2,645
Securitized | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,082 1,900
Securitized | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,172 1,975
Non-securitized | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 505 665
Non-securitized | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 507 670
Non-securitized | Eligible for securitization | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 57 152
Non-securitized | Eligible for securitization | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 59 157
Non-securitized | Not eligible for securitization | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 448 513
Non-securitized | Not eligible for securitization | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net $ 448 $ 513