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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Changes in Company's Goodwill | A summary of changes in the Company’s goodwill is as follows:
|  | 2025
|  | Balance at January 1 |  | Impairment |  | Currency exchange |  | Balance at September 30
|  | (In thousands)
Las Vegas Strip Resorts |  | $ | 2,707,009 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,707,009 |
Regional Operations |  | 660,940 |  |  | (256,133) |  |  | — |  |  | 404,807 |
MGM China |  | 1,356,625 |  |  | — |  |  | (2,398) |  |  | 1,354,227 |
MGM Digital |  | 420,430 |  |  | — |  |  | 56,086 |  |  | 476,516 |
|  | $ | 5,145,004 |  |  | $ | (256,133) |  |  | $ | 53,688 |  |  | $ | 4,942,559 |

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