Stock-Based Employee Compensation - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012 OptionPlan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of nonqualified stock option plans	3
LVSLLC 1997 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares provided by the plan	19,952,457
Obligation of the Principal Stockholder to issue shares, number of shares	984,321
LVSC 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares provided by the plan	26,344,000
Term of plan (in years)	10
Shares available for grant	6,454,680
Stock options vesting period (in years)	4 years
Maximum contractual term of outstanding stock options	10 years
LVSC 2004 Plan [Member] \| Stock option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested equity-based awards	31.5
Percentage of estimated forfeitures per year related to unvested stock options	8.00%
Expected weighted average period for recognition of stock option (in years)	2 years 1 month 6 days
LVSC 2004 Plan [Member] \| Restricted stock and stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested equity-based awards	38.5
Percentage of estimated forfeitures per year related to unvested stock options	8.00%
Expected weighted average period for recognition of stock option (in years)	2 years 9 months 18 days
SCL Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares provided by the plan	804,786,508
Term of plan (in years)	10
Shares available for grant	773,913,693
Stock options vesting period (in years)	4 years
Maximum contractual term of outstanding stock options	10 years
Unrecognized compensation cost related to unvested equity-based awards	18.7
Percentage of estimated forfeitures per year related to unvested stock options	8.80%
Expected weighted average period for recognition of stock option (in years)	2 years 4 months 24 days

Number of nonqualified stock option plans.

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- Definition

Obligation Of Principal Stockholder To Issue Shares Under Options Granted Prior To Specified Date

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Term

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Period Of Award

+ References

No definition available.

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- Definition

Share Based Compensation Percentage Of Estimated Forfeitures Per Year Related To Unvested Stock Options.

+ References

No definition available.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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