Revenue from Contracts with Customers - Remaining Transaction Price (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Advanced deposits
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 130
Recognition Period	18 months
Legacy-HGV Club activation fees
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 64
Recognition Period	7 years
Bonus Points
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 53
Maximum | Bonus Points
Disaggregation Of Revenue [Line Items]
Recognition Period	30 months
Minimum | Bonus Points
Disaggregation Of Revenue [Line Items]
Recognition Period	18 months