Consolidated Variable Interest Entities ("VIEs") and Investments in Affiliates - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Jun. 30, 2022		Dec. 31, 2021
Variable Interest Entity [Line Items]
Property and equipment, net	$ 8,326	[1]	$ 8,511
Cash and cash equivalents	758		688
Restricted cash	109		75
Accounts receivable, net	149		96
Prepaid expenses	39		35
Other assets	38		69
Debt	4,671		4,672
Accounts payable and accrued expenses	211		156
Due to hotel managers	124		111
Other liabilities	167		174
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	207		209
Cash and cash equivalents	23		18
Restricted cash	2		6
Accounts receivable, net	4		3
Prepaid expenses	1		1
Debt	206		208
Accounts payable and accrued expenses	9		7
Due to hotel managers	1		1
Other liabilities	$ 3		$ 3

[1] Excludes $7 million of property and equipment, net, classified as held for sale as of June 30, 2022.