v3.19.3
Cover - shares
9 Months Ended
Sep. 30, 2019
Oct. 31, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 000-50028  
Entity Registrant Name WYNN RESORTS, LIMITED  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 46-0484987  
Entity Address, Address Line One 3131 Las Vegas Boulevard South  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89109  
City Area Code 702  
Local Phone Number 770-7555  
Title of 12(b) Security Common stock, par value $0.01  
Trading Symbol WYNN  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   107,354,606
Amendment Flag false  
Entity Central Index Key 0001174922  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3