Leasehold Interests in Land, Net - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Leased Assets [Line Items]
Amortization of leasehold interests in land	$ 35	$ 37	$ 38
Estimated future amortization expense, 2019	36
Estimated future amortization expense, 2020	36
Estimated future amortization expense, 2021	36
Estimated future amortization expense, 2022	36
Estimated future amortization expense, 2023	36
Estimated future rental expense, thereafter	$ 1,360
Macao [Member]
Operating Leased Assets [Line Items]
Leasehold interest in land, term of contract	25 years
Leasehold interest in land, term of contract, automatic extension	10 years