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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) MOP$ in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 MOP (MOP$) | Dec. 31, 2023 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Ownership interest (in percent) |  |  |  | 100.00% |  |  |
Fair value of investment |  | $ 433 |  | $ 433 |  |  | $ 435
Net gain (loss) on equity investments |  | 48 | $ (57) | (2) | $ (52) |  |
Loss reserve for accounts receivable |  | 145 |  | 145 |  |  | 130
Accrual for property and equipment within accounts payable |  | 90 |  | 90 |  |  | 84
MGM National Harbor |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Payments for repurchase of redeemable noncontrolling interest |  |  |  |  | 138 |  |
Foreign Exchange Forward |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Derivative asset |  | 27 |  | 27 |  |  | 10
Derivative asset current |  | 12 |  | 12 |  |  | 1
Derivative asset noncurrent |  | 15 |  | 15 |  |  | 9
Derivative liability |  | 21 |  | 21 |  |  | 17
Derivative liability current |  | 19 |  | 19 |  |  | 8
Derivative liability noncurrent |  | 2 |  | 2 |  |  | 9
Net gain (loss) on derivative |  | 87 |  | (13) |  |  |
Food and Beverage Revenue |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Lease revenue |  | 21 | 20 | 62 | 57 |  |
Entertainment Retail and Other Revenue |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Lease revenue |  | 28 | $ 27 | 86 | $ 86 |  |
Circus Circus Las Vegas And Adjacent Land |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Repayment of note receivable | $ 170 |  |  |  |  |  |
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 |  | MOP$ 700 | $ 87
Bellagio BREIT Venture |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Ownership interest by noncontrolling owner (in percent) |  | 5.00% |  | 5.00% |  | 5.00% |

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