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Property Charges and Other - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Component of Operating Other Cost and Expense [Line Item] |  |
Property charges and other | $ 9,934 | $ 5,346
Wynn Macau |  |
Component of Operating Other Cost and Expense [Line Item] |  |
Square footage of renovated area | 27,000 |

X
- Definition Area Of Real Estate Property, Renovated + References No definition available. + Details
Name: | wynn_AreaOfRealEstatePropertyRenovated
Namespace Prefix: | wynn_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | wynn_ComponentOfOperatingIncomeAndExpenseLineItems
Namespace Prefix: | wynn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of expenses charged against earnings to eliminate the capitalized costs of projects abandoned during the reporting period and expenses associated with business termination activities and other expenses. + References No definition available. + Details
Name: | wynn_ProjectAbandonmentCosts
Namespace Prefix: | wynn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration