v3.26.3
Property and equipment (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment [Line Items]    
Total property and equipment $ 1,754 $ 1,626
Less: accumulated depreciation and amortization 1,147 1,095
Property and equipment, net 607 531
Capitalized software    
Property, Plant, and Equipment [Line Items]    
Total property and equipment 881 854
Building and leasehold improvements    
Property, Plant, and Equipment [Line Items]    
Total property and equipment [1] 628 564
Building and leasehold improvements | Unregistered VOI inventory    
Property, Plant, and Equipment [Line Items]    
Total property and equipment 150 119
Furniture, fixtures and equipment    
Property, Plant, and Equipment [Line Items]    
Total property and equipment 127 120
Land    
Property, Plant, and Equipment [Line Items]    
Total property and equipment 52 20
Other Capitalized Property Plant and Equipment [Member]    
Property, Plant, and Equipment [Line Items]    
Total property and equipment 53 59
Construction in progress    
Property, Plant, and Equipment [Line Items]    
Total property and equipment $ 13 $ 9
[1] Includes $150 million and $119 million of unregistered VOI inventory as of September 30, 2026 and December 31, 2025.