Long-Term Debt - Cash Flows from Financing Activities Related to Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Proceeds from long-term debt	$ 4,000	$ 7,593	$ 654
Repayments of long-term debt and capital leases	(3,536)	(5,178)	(858)
Unsecured Debt [Member] \| LVSC Senior Notes [Member] \| United States [Member]
Debt Instrument [Line Items]
Proceeds from long-term debt	4,000	0	0
Unsecured Debt [Member] \| SCL Senior Notes [Member] \| Macao [Member]
Debt Instrument [Line Items]
Proceeds from long-term debt	0	5,500	0
Secured Debt [Member] \| 2013 U.S. Credit Facility [Member] \| United States [Member]
Debt Instrument [Line Items]
Proceeds from long-term debt	0	1,347	5
Repayments of long-term debt	(3,484)	(26)	(63)
Secured Debt [Member] \| 2016 VML Credit Facility [Member] \| Macao [Member]
Debt Instrument [Line Items]
Proceeds from long-term debt	0	746	649
Repayments of long-term debt	0	(5,083)	(668)
Secured Debt [Member] \| 2012 Singapore Credit Facility [Member] \| Singapore [Member]
Debt Instrument [Line Items]
Repayments of long-term debt	(47)	(65)	(67)
Secured Debt [Member] \| Airplane Financings [Member] \| United States [Member]
Debt Instrument [Line Items]
Repayments of long-term debt	0	0	(56)
Other Long-Term Debt And Capital Lease Obligations [Member] \| HVAC Equipment Lease and Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Repayments of long-term debt and capital leases	$ (5)	$ (4)	$ (4)

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No definition available.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 15
-Subparagraph (b)
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Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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