Property and Equipment - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) property shares	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Property Plant And Equipment [Line Items]
Number of shares repurchased | shares	74
Average price per share | $	$ 37
Number of timeshare properties | property	59
Depreciation expense | $	$ 35	$ 23	$ 17
MEXICO
Property Plant And Equipment [Line Items]
Number of timeshare properties | property	87