Revenue - Schedule of Revenue Components (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue [Line Items]
Total revenues	$ 146	$ 208
Rooms
Revenue [Line Items]
Total revenues	143	204
Other
Revenue [Line Items]
Total revenues	1	1
Total lease revenues
Revenue [Line Items]
Total revenues	144	205
Customer revenues
Revenue [Line Items]
Total revenues	$ 2	$ 3