Hotel Management Operating and License Agreements -Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) Hotel	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Description of renewal periods	allow for one or more renewal periods.
Number of operating hotels under franchise agreements | Hotel	9
Marketing fees	$ 26	$ 15	$ 53
Employee cost reimbursements	$ 55	$ 57	$ 133
Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Management agreement initial term	5 years
Management agreements total term including renewal periods	5 years
Franchise agreements initial term	13 years
Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Management agreement initial term	30 years
Management agreements total term including renewal periods	70 years
Franchise agreements initial term	20 years