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Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Property Plant And Equipment [Abstract]    
Land $ 3,340 $ 3,344
Buildings and leasehold improvements 5,615 5,616
Furniture and equipment 941 949
Construction-in-progress 147 124
Property and equipment, gross 10,043 10,033
Accumulated depreciation and amortization (2,099) (2,058)
Property and equipment, net $ 7,944 $ 7,975