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Balance Type:	na
Period Type:	duration

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Period Type:	instant

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Period Type:	instant

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
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Period Type:	instant

Finite-Lived Intangible Assets, Amortization Expense, Final Year

No definition available.

Name:	wynn_FiniteLivedIntangibleAssetsAmortizationExpenseFinalYear
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Period Type:	instant

Finite-Lived Intangible Assets, Annual Amortization Expense, Excluding Final Year

No definition available.

Name:	wynn_FiniteLivedIntangibleAssetsAnnualAmortizationExpenseExcludingFinalYear
Namespace Prefix:	wynn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]

No definition available.