XML 27 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2019
Feb. 24, 2020
Jun. 28, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol MGM    
Entity Registrant Name MGM Resorts International    
Entity Central Index Key 0000789570    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
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   492,434,341  
Entity Public Float     $ 14.4
Title of 12(b) Security Common Stock, $0.01 Par Value    
Security Exchange Name NYSE    
Entity File Number 001-10362    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 88-0215232    
Entity Address, Address Line One 3600 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 693-7120    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference Portions of the Registrant’s definitive Proxy Statement for its 2019 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K.