Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Other	$ 12,492	$ 11,985
Long-term debt, including current maturities	12,492	11,985
Less — current maturities	(70)	(111)
Total long-term debt	12,422	11,874
Other [Member] \| Macao [Member]
Debt Instrument [Line Items]
Other	17	4
Long-term debt, including current maturities	17	4
Unsecured Debt [Member] \| 3.200% Senior Notes due 2024 [Member] \| United States [Member]
Debt Instrument [Line Items]
Long-term debt	1,736	0
Unsecured Debt [Member] \| 2.900% Senior Notes due 2025 [Member] \| United States [Member]
Debt Instrument [Line Items]
Long-term debt	495	0
Unsecured Debt [Member] \| 3.500% Senior Notes due 2026 [Member] \| United States [Member]
Debt Instrument [Line Items]
Long-term debt	988	0
Unsecured Debt [Member] \| 3.900% Senior Notes due 2029 [Member] \| United States [Member]
Debt Instrument [Line Items]
Long-term debt	742	0
Unsecured Debt [Member] \| 4.600% Senior Notes due 2023 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Long-term debt	1,800	1,791
Unsecured Debt [Member] \| 5.125% Senior Notes due 2025 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Long-term debt	1,798	1,789
Unsecured Debt [Member] \| 5.400% Senior Notes due 2028 [Member] \| Macao [Member]
Debt Instrument [Line Items]
Long-term debt	1,893	1,884
Secured Debt [Member] \| 2013 U.S. Credit Facility Extended Term B [Member] \| United States [Member]
Debt Instrument [Line Items]
Long-term debt	0	3,464
Secured Debt [Member] \| 2012 Singapore Credit Facility Term [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Long-term debt	$ 3,023	3,041
Capital Lease Obligations [Member] \| HVAC Equipment Lease [Member] \| United States [Member]
Debt Instrument [Line Items]
Capital lease obligations		$ 12

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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