Revenue - Summary of Disaggregated Hotel Revenues by Market Locations (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation Of Revenue [Line Items]
Total revenues	$ 1,393	$ 1,381	$ 2,774	$ 2,455
Orlando
Disaggregation Of Revenue [Line Items]
Total revenues	121	129	262	237
San Diego
Disaggregation Of Revenue [Line Items]
Total revenues	130	118	255	205
Maui/Oahu
Disaggregation Of Revenue [Line Items]
Total revenues	124	126	250	242
Phoenix
Disaggregation Of Revenue [Line Items]
Total revenues	92	101	221	212
San Francisco/San Jose
Disaggregation Of Revenue [Line Items]
Total revenues	88	90	188	142
Washington, D.C. (Central Business District)
Disaggregation Of Revenue [Line Items]
Total revenues	102	92	178	130
Florida Gulf Coast
Disaggregation Of Revenue [Line Items]
Total revenues	71	100	167	231
New York
Disaggregation Of Revenue [Line Items]
Total revenues	96	93	166	143
Miami
Disaggregation Of Revenue [Line Items]
Total revenues	63	69	146	152
Houston
Disaggregation Of Revenue [Line Items]
Total revenues	36	31	73	57
Boston
Disaggregation Of Revenue [Line Items]
Total revenues	42	30	71	48
Jacksonville
Disaggregation Of Revenue [Line Items]
Total revenues	39	39	70	68
Los Angeles/Orange County
Disaggregation Of Revenue [Line Items]
Total revenues	34	35	68	60
San Antonio
Disaggregation Of Revenue [Line Items]
Total revenues	30	29	66	56
Chicago
Disaggregation Of Revenue [Line Items]
Total revenues	43	39	62	53
New Orleans
Disaggregation Of Revenue [Line Items]
Total revenues	29	29	58	49
Austin
Disaggregation Of Revenue [Line Items]
Total revenues	23	26	48	46
Seattle
Disaggregation Of Revenue [Line Items]
Total revenues	29	27	47	37
Northern Virginia
Disaggregation Of Revenue [Line Items]
Total revenues	24	23	43	35
Philadelphia
Disaggregation Of Revenue [Line Items]
Total revenues	25	23	42	36
Denver
Disaggregation Of Revenue [Line Items]
Total revenues	23	24	37	36
Atlanta
Disaggregation Of Revenue [Line Items]
Total revenues	17	17	35	30
Other
Disaggregation Of Revenue [Line Items]
Total revenues	86	72	176	123
United States
Disaggregation Of Revenue [Line Items]
Total revenues	1,367	1,362	2,729	2,428
International
Disaggregation Of Revenue [Line Items]
Total revenues	$ 26	$ 19	$ 45	$ 27