v3.26.1
FINANCIAL INSTRUMENTS - Schedule of Carrying Values and Estimated Fair Values - Non-securitized Notes Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net $ 2,567 $ 2,565
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,658 2,645
Securitized | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,070 1,900
Securitized | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 2,157 1,975
Non-securitized | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 497 665
Non-securitized | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 501 670
Non-securitized | Eligible for securitization | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 93 152
Non-securitized | Eligible for securitization | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 97 157
Non-securitized | Not eligible for securitization | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net 404 513
Non-securitized | Not eligible for securitization | Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Vacation ownership notes receivable, net $ 404 $ 513