Hotel Management Operating and License Agreements - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) Hotel	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Hotel Management Operating and License Agreements [Line Items]
Description of renewal periods	allow for one or more renewal periods.
Number of hotels operate without management agreement | Hotel	12
Marketing fees	$ 15	$ 53	$ 53
Employee cost reimbursements	$ 57	$ 133	$ 134
Minimum [Member]
Hotel Management Operating and License Agreements [Line Items]
Management agreement initial term	5 years
Management agreements total term including renewal periods	30 years
Franchise agreements initial term	7 years
Maximum [Member]
Hotel Management Operating and License Agreements [Line Items]
Management agreement initial term	30 years
Management agreements total term including renewal periods	70 years
Franchise agreements initial term	20 years