Consolidated Variable Interest Entities ("VIEs") and Investments in Affiliates - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Property and equipment, net	$ 8,511	$ 9,193	$ 9,594
Cash and cash equivalents	688	951
Restricted cash	75	30
Accounts receivable, net	96	26
Prepaid expenses	35	39
Other assets	69	60
Debt	4,672	5,121
Accounts payable and accrued expenses	156	147
Due to hotel managers	111	88
Other liabilities	165	134
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	209	216
Cash and cash equivalents	18	8
Restricted cash	6	2
Accounts receivable, net	3	1
Prepaid expenses	1	1
Other assets	0	1
Debt	208	207
Accounts payable and accrued expenses	7	5
Due to hotel managers	1
Other liabilities	$ 3	$ 1