v3.6.0.2
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Document And Entity Information [Abstract]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Dec. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus FY  
Entity Registrant Name WYNN LAS VEGAS LLC  
Entity Central Index Key 0001180638  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding 0  
Entity Public Float   $ 0
Membership Interests Description Wynn Las Vegas Holdings, LLC owns all of the membership interests of the registrant.