v3.26.1
Acquisitions Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 10, 2025
Mar. 31, 2026
Mar. 31, 2025
Business Combination [Line Items]      
Payments to acquire business   $ 0 $ 1
Vacation Ownership | Other acquisition      
Business Combination [Line Items]      
Business Combination, Consideration Transferred, net of cash acquired $ 3    
Payments to acquire business 1    
Business Combination, Consideration Transferred, Liabilities Incurred 2    
Vacation Ownership | Balance Sheet Location [Axis]: us-gaap:IntangibleAssetsNetExcludingGoodwill | Other acquisition      
Business Combination [Line Items]      
Definite-lived intangible assets 2    
Vacation Ownership | Balance Sheet Location [Axis]: us-gaap:PropertyPlantAndEquipmentNet | Other acquisition      
Business Combination [Line Items]      
Business Combination, PP&E acquired $ 1