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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) MOP$ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2023 MOP (MOP$)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Investments in and advances to unconsolidated affiliates |  | $ 240,803,000 | $ 173,039,000 |  |
Ownership interest (in percent) |  | 100.00% |  |  |
Fair value of equity investments |  | $ 435,000,000 | 461,000,000 |  |
Gain (loss) on equity investments |  | (26,000,000) | 10,000,000 | $ 28,000,000 |
Impairment charges |  | 0 | 0 | 0 |
Accrual for property and equipment within accounts payable |  | 84,000,000 | 80,000,000 |  |
Advertising expense |  | 299,000,000 | 235,000,000 | 121,000,000 |
MGM National Harbor |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Payments for repurchase of redeemable noncontrolling interest |  | 138,000,000 | 21,000,000 | 1,000,000 |
Food and Beverage Revenue |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lease revenue |  | 78,000,000 | 72,000,000 | 43,000,000 |
Entertainment Retail and Other Revenue |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lease revenue |  | 114,000,000 | 118,000,000 | $ 85,000,000 |
June 2022 Sub Concession Extension Contract | MGM Grand Paradise SA |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Pledged cash |  | $ 87,000,000 | 124,000,000 |  | MOP$ 700
Circus Circus Las Vegas and Adjacent Land |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Repayment of note receivable | $ 170,000,000 |  |  |  |
Circus Circus Las Vegas and Adjacent Land | Other Assets, Net |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Carrying value of note receivable |  |  | $ 167,000,000 |  |
Accounts Receivable | Credit Concentration Risk | Casino |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Gross casino accounts receivable (in percent) |  | 54.00% | 52.00% |  |

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