v3.25.2
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Ownership interest (in percent)     100.00%    
Fair value of investment $ 421   $ 421   $ 388
Net gain (loss) on equity investments 1 $ (26) 32 $ (50)  
Loss reserve for accounts receivable 140   140   135
Accrual for property and equipment within accounts payable 91   91   109
Food and Beverage Revenue          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Lease revenue 19 21 36 41  
Entertainment Retail and Other Revenue          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Lease revenue 29 29 57 58  
MGM Grand Paradise SA | June 2022 Sub Concession Extension Contract          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Obligation amount 87   87   87
Foreign Exchange Forward          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Derivative asset 10   10    
Derivative asset, current 3   3    
Derivative asset, noncurrent 7   7    
Derivative liability 12   12   96
Derivative liability current         57
Derivative liability noncurrent         $ 39
Net gain (loss) on derivative $ 34 $ (62) $ 75 $ (100)  
Bellagio REIT Venture          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Ownership interest by noncontrolling owner (in percent) 5.00%   5.00%