Revenue from Contracts with Customers - Remaining Transaction Price (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Minimum
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Recognition Period	18 months
Advanced deposits
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Remaining Transaction Price	$ 112
Recognition Period	18 months
Recognition Method	Upon customer stays
Annual dues and Legacy-HGV Club activation fees
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Remaining Transaction Price	$ 63
Recognition Period	7 years
Recognition Method	Straight-line basis over average inventory holding period
Bonus Points
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Remaining Transaction Price	$ 44
Recognition Method	Upon redemption
Bonus Points | Maximum
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Recognition Period	30 months