Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019	[1]
Property Plant And Equipment [Abstract]
Land	$ 3,429	$ 3,512
Buildings and leasehold improvements	6,949	6,978
Furniture and equipment	1,041	1,059
Construction-in-progress	46	134
Property and equipment, gross	11,465	11,683
Accumulated depreciation and amortization	(2,210)	(2,089)
Property and equipment, net	$ 9,255	$ 9,594

[1] Excludes $62 million of property and equipment, net, classified as held for sale as of December 31, 2019.