Consolidated Variable Interest Entities ("VIEs") and Investments in Affiliates - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Property and equipment, net	$ 8,292	$ 8,511
Cash and cash equivalents	971	688
Restricted cash	29	75
Accounts receivable, net	144	96
Prepaid expenses	40	35
Other assets	39	69
Debt	4,670	4,672
Accounts payable and accrued expenses	254	156
Due to hotel managers	123	111
Other liabilities	177	174
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	207	209
Cash and cash equivalents	25	18
Restricted cash	1	6
Accounts receivable, net	5	3
Prepaid expenses	2	1
Debt	206	208
Accounts payable and accrued expenses	9	7
Due to hotel managers	1	1
Other liabilities	$ 4	$ 3