Revenue - Summary of Disaggregated Hotel Revenues by Market Locations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation Of Revenue [Line Items]
Total revenues	$ 1,214	$ 1,189	$ 3,988	$ 3,644
Domestic
Disaggregation Of Revenue [Line Items]
Total revenues	1,190	1,166	3,919	3,594
San Diego
Disaggregation Of Revenue [Line Items]
Total revenues	134	133	389	338
Orlando
Disaggregation Of Revenue [Line Items]
Total revenues	95	96	357	333
Maui/Oahu
Disaggregation Of Revenue [Line Items]
Total revenues	102	119	352	361
San Francisco/San Jose
Disaggregation Of Revenue [Line Items]
Total revenues	92	96	280	238
Phoenix
Disaggregation Of Revenue [Line Items]
Total revenues	52	62	273	274
New York
Disaggregation Of Revenue [Line Items]
Total revenues	89	81	255	224
Washington, D.C. (Central Business District)
Disaggregation Of Revenue [Line Items]
Total revenues	74	67	252	197
Florida Gulf Coast
Disaggregation Of Revenue [Line Items]
Total revenues	66	59	233	290
Miami
Disaggregation Of Revenue [Line Items]
Total revenues	35	42	181	194
Boston
Disaggregation Of Revenue [Line Items]
Total revenues	40	31	111	79
Los Angeles/Orange County
Disaggregation Of Revenue [Line Items]
Total revenues	37	37	105	97
Houston
Disaggregation Of Revenue [Line Items]
Total revenues	31	27	104	84
Chicago
Disaggregation Of Revenue [Line Items]
Total revenues	40	43	102	96
Jacksonville
Disaggregation Of Revenue [Line Items]
Total revenues	30	29	100	97
San Antonio
Disaggregation Of Revenue [Line Items]
Total revenues	24	27	90	83
Seattle
Disaggregation Of Revenue [Line Items]
Total revenues	34	33	81	70
New Orleans
Disaggregation Of Revenue [Line Items]
Total revenues	16	19	74	68
Denver
Disaggregation Of Revenue [Line Items]
Total revenues	29	26	66	62
Austin
Disaggregation Of Revenue [Line Items]
Total revenues	17	21	65	67
Northern Virginia
Disaggregation Of Revenue [Line Items]
Total revenues	21	18	64	53
Philadelphia
Disaggregation Of Revenue [Line Items]
Total revenues	21	21	63	57
Atlanta
Disaggregation Of Revenue [Line Items]
Total revenues	16	15	51	45
Other
Disaggregation Of Revenue [Line Items]
Total revenues	95	64	271	187
International
Disaggregation Of Revenue [Line Items]
Total revenues	$ 24	$ 23	$ 69	$ 50