Commitments and Contingencies - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Long-term Purchase Commitment [Line Items]
Reasonably estimable of possible losses	$ 0
Inventories
Long-term Purchase Commitment [Line Items]
Purchase commitment	$ 454,000,000
Purchase commitment, period (in years)	10 years
Vacation ownership intervals commitment	$ 23,000,000	$ 75,000,000
Other Commitments
Long-term Purchase Commitment [Line Items]
Purchase commitment	$ 20,000,000