Summary of Hotel Revenues by Market Locations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation Of Revenue [Line Items]
Total revenues	$ 5,469	$ 5,524	$ 5,387
New York
Disaggregation Of Revenue [Line Items]
Total revenues	560	744	796
San Francisco/San Jose
Disaggregation Of Revenue [Line Items]
Total revenues	519	488	414
San Diego
Disaggregation Of Revenue [Line Items]
Total revenues	516	523	503
Maui/Oahu
Disaggregation Of Revenue [Line Items]
Total revenues	400	366	287
Washington, D.C. (Central Business District)
Disaggregation Of Revenue [Line Items]
Total revenues	341	330	348
Florida Gulf Coast
Disaggregation Of Revenue [Line Items]
Total revenues	338	285	250
Phoenix
Disaggregation Of Revenue [Line Items]
Total revenues	311	298	264
Boston
Disaggregation Of Revenue [Line Items]
Total revenues	303	304	306
Orlando
Disaggregation Of Revenue [Line Items]
Total revenues	221	217	209
Los Angeles
Disaggregation Of Revenue [Line Items]
Total revenues	187	188	184
Miami
Disaggregation Of Revenue [Line Items]
Total revenues	178	55	52
Chicago
Disaggregation Of Revenue [Line Items]
Total revenues	165	186	185
Atlanta
Disaggregation Of Revenue [Line Items]
Total revenues	159	158	166
Northern Virginia
Disaggregation Of Revenue [Line Items]
Total revenues	135	158	193
Seattle
Disaggregation Of Revenue [Line Items]
Total revenues	120	129	125
Houston
Disaggregation Of Revenue [Line Items]
Total revenues	116	118	117
New Orleans
Disaggregation Of Revenue [Line Items]
Total revenues	106	103	96
San Antonio
Disaggregation Of Revenue [Line Items]
Total revenues	105	116	109
Orange County
Disaggregation Of Revenue [Line Items]
Total revenues	104	119	120
Jacksonville
Disaggregation Of Revenue [Line Items]
Total revenues	100	98	91
Denver
Disaggregation Of Revenue [Line Items]
Total revenues	93	89	86
Philadelphia
Disaggregation Of Revenue [Line Items]
Total revenues	90	88	82
Other
Disaggregation Of Revenue [Line Items]
Total revenues	214	257	277
United States
Disaggregation Of Revenue [Line Items]
Total revenues	5,381	5,417	5,260
International
Disaggregation Of Revenue [Line Items]
Total revenues	$ 88	$ 107	$ 127