Consolidated Variable Interest Entities ("VIEs") and Investments in Affiliates - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Property and equipment, net	$ 8,465	$ 8,511
Cash and cash equivalents	639	688
Restricted cash	78	75
Accounts receivable, net	106	96
Prepaid expenses	58	35
Other assets	65	69
Debt	4,671	4,672
Accounts payable and accrued expenses	200	156
Due to hotel managers	113	111
Other liabilities	184	174
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	208	209
Cash and cash equivalents	19	18
Restricted cash	8	6
Accounts receivable, net	3	3
Prepaid expenses	2	1
Debt	206	208
Accounts payable and accrued expenses	8	7
Due to hotel managers	1	1
Other liabilities	$ 4	$ 3