WYNN RESORTS, LIMITED (Parent Company Only) (Basis Of Presentation) - Additional Information (Detail)	1 Months Ended
Oct. 31, 2009
Common stock of subsidiary sold	1,437,500,000
Wynn Macau Limited
Common stock of subsidiary sold	1,437,500,000
Percentage of subsidiary's common stock sold	27.70%

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

No definition available.

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration