Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Other		$ 11,985	$ 9,640
Long-term debt, including current maturities		11,985	9,640
Less — current maturities		(111)	(296)
Total long-term debt		11,874	9,344
Other [Member] | Macao [Member]
Debt Instrument [Line Items]
Other		4	5
Long-term debt, including current maturities		4	5
Secured Debt [Member] | 2013 U.S. Credit Facility Extended Term B [Member] | United States [Member]
Debt Instrument [Line Items]
Long-term debt	[1]	3,464	2,150
Secured Debt [Member] | 2016 VML Credit Facility Term [Member] | Macao [Member]
Debt Instrument [Line Items]
Long-term debt	[1]	0	4,043
Secured Debt [Member] | 2016 VML Credit Facility Non-Extended Term [Member] | Macao [Member]
Debt Instrument [Line Items]
Long-term debt	[1]	0	247
Secured Debt [Member] | 2012 Singapore Credit Facility Term [Member] | Singapore [Member]
Debt Instrument [Line Items]
Long-term debt	[1]	3,041	3,183
Senior Notes [Member] | 4.600% Senior Notes due 2023 [Member] | Macao [Member]
Debt Instrument [Line Items]
Long-term debt		1,791	0
Senior Notes [Member] | 5.125% Senior Notes due 2025 [Member] | Macao [Member]
Debt Instrument [Line Items]
Long-term debt		1,789	0
Senior Notes [Member] | 5.400% Senior Notes due 2028 [Member] | Macao [Member]
Debt Instrument [Line Items]
Long-term debt		1,884	0
Capital Lease Obligations [Member] | HVAC Equipment Lease [Member] | United States [Member]
Debt Instrument [Line Items]
Capital lease obligations		$ 12	$ 12

[1] Unamortized deferred financing costs of $47 million and $24 million as of December 31, 2018 and 2017, respectively, related to the U.S., Macao and Singapore revolving credit facilities are included in other assets, net in the accompanying consolidated balance sheets.