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, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Property and equipment, net	$ 8,198	$ 8,301
Cash and cash equivalents	842	906
Restricted cash	33	33
Accounts receivable, net	130	129
Prepaid expenses	55	58
Debt	4,566	4,617
Accounts payable and accrued expenses	244	220
Due to hotel managers	117	141
Other liabilities	207	228
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	208	208
Cash and cash equivalents	14	21
Restricted cash	2	2
Accounts receivable, net	5	4
Prepaid expenses	2	2
Debt	204	205
Accounts payable and accrued expenses	9	8
Due to hotel managers	1	2
Other liabilities	$ 4	$ 4