Amount of credit facility's available borrowing reserved for a specific purpose.

No definition available.

Name:	lvs_Bankersguarantee
Namespace Prefix:	lvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, ratio of adjusted EBITDA to net interest expense, waiver of financial covenant.

+ References

No definition available.

+ Details

Name:	lvs_DebtInstrumentRatioofAdjustedEBITDAtoNetInterestExpenseWaived
Namespace Prefix:	lvs_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt instrument, ratio of Indebtedness to adjusted EBITDA, waiver of financial covenant.

+ References

No definition available.

+ Details

Name:	lvs_DebtInstrumentRatioofIndebtednesstoAdjustedEBITDAWaived
Namespace Prefix:	lvs_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the long-term obligations drawn from the delayed draw term loan, which is a bank's commitment to make loans up to a specific amount.

+ References

No definition available.

+ Details

Name:	lvs_DelayedDrawTermLoanAmountDrawn
Namespace Prefix:	lvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Balance Type:
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- Details

Name:	srt_StatementGeographicalAxis=country_US
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lvs_LVSCRevolvingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_MO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lvs_TwoThousandandEighteenSCLRevolvingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_CurrencyAxis=currency_HKD
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
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Balance Type:
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Name:	srt_StatementGeographicalAxis=country_SG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lvs_TwoThousandAndTwelveSingaporeCreditFacilityRevolvingMember
Namespace Prefix:
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Namespace Prefix:
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Long-Term Debt - Additional Information (Details) $ in Millions, $ in Millions	Mar. 31, 2020 HKD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 SGD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Long-term debt, fair value		$ 11,650,000,000		$ 13,210,000,000
Long-term debt, carrying value		12,400,000,000		$ 12,580,000,000
Two Thousand And Twelve Singapore Credit Facility Delayed Draw Term [Member]
Debt Instrument [Line Items]
Delayed draw term loan, amount drawn		0
United States [Member] \| Unsecured Debt [Member] \| LVSC Revolving Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, available borrowing capacity (HKD/SGD converted to USD at balance sheet date)		1,500,000,000
Macao [Member] \| Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, available borrowing capacity (HKD/SGD converted to USD at balance sheet date)		2,020,000,000.00
Macao [Member] \| Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member] \| Hong Kong, Dollars
Debt Instrument [Line Items]
Line of credit facility, available borrowing capacity (HKD/SGD converted to USD at balance sheet date)	$ 13,810	1,780,000,000
Macao [Member] \| Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Line of credit facility, available borrowing capacity (HKD/SGD converted to USD at balance sheet date)		237,000,000
Singapore [Member] \| Secured Debt [Member] \| 2012 Singapore Credit Facility Revolving [Member]
Debt Instrument [Line Items]
Line of credit facility, available borrowing capacity (HKD/SGD converted to USD at balance sheet date)		416,000,000	$ 592
Singapore [Member] \| Secured Debt [Member] \| 2012 Singapore Credit Facility Revolving - Banker's Guarantee [Member]
Debt Instrument [Line Items]
Banker's guarantee		$ 107,000,000	$ 153
Maximum [Member] \| Macao [Member] \| Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member]
Debt Instrument [Line Items]
Debt instrument, maximum leverage ratio, through maturity, waived	4.0	4.0	4.0
Minimum [Member] \| Macao [Member] \| Unsecured Debt [Member] \| 2018 SCL Revolving Facility [Member]
Debt Instrument [Line Items]
Debt instrument, ratio of adjusted EBITDA to net interest expense, through maturity, waived	2.5	2.5	2.5