GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
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12 Months Ended |
Dec. 31, 2025 |
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| Goodwill and Intangible Assets Disclosure [Abstract] |
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| Schedule of Goodwill and Other Intangible Assets |
Goodwill and other intangible assets consisted of the following: | | | | | | | | | | | | | | | | | | December 31, | | | | 2025 | | 2024 | | | | (In thousands) | | Goodwill | | $ | 4,901,960 | | | $ | 5,145,004 | | | | | | | | | Indefinite-lived intangible assets: | | | | | | Trademarks | | $ | 598,977 | | | $ | 749,399 | | | Gaming rights and other | | 99,529 | | | 382,065 | | | Total indefinite-lived intangible assets | | 698,506 | | | 1,131,464 | | | Finite-lived intangible assets: | | | | | | Customer lists | | 291,657 | | | 296,600 | | | Less: Accumulated amortization | | (182,549) | | | (150,715) | | | | | 109,108 | | | 145,885 | | | Gaming rights | | 348,043 | | | 339,248 | | | Less: Accumulated amortization | | (124,255) | | | (93,151) | | | | 223,788 | | | 246,097 | | | Technology and other | | 470,996 | | | 270,986 | | | Less: Accumulated amortization | | (145,722) | | | (79,051) | | | | | 325,274 | | | 191,935 | | | Total finite-lived intangible assets, net | | 658,170 | | | 583,917 | | | Total other intangible assets, net | | $ | 1,356,676 | | | $ | 1,715,381 | |
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| Schedule of Changes in Company's Goodwill by Reportable Segment |
A summary of changes in the Company’s goodwill is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | | | Balance at January 1 | | Acquisitions | | Impairment | | Reclassifications | | Currency exchange | | Balance at December 31 | | | | (In thousands) | | Las Vegas Strip Resorts | | $ | 2,707,009 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | 2,707,009 | | | Regional Operations | | 660,940 | | | — | | | (256,133) | | | (17,915) | | | — | | | 386,892 | | | MGM China | | 1,356,625 | | | — | | | — | | | — | | | (2,510) | | | 1,354,115 | | MGM Digital | | 420,430 | | | — | | | (22,794) | | | — | | | 56,308 | | | 453,944 | | | | | $ | 5,145,004 | | | $ | — | | | $ | (278,927) | | | $ | (17,915) | | | $ | 53,798 | | | $ | 4,901,960 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 | | | | Balance at January 1 | | Acquisitions | | Impairment | | Reclassifications | | Currency exchange | | Balance at December 31 | | | | (In thousands) | | Las Vegas Strip Resorts | | $ | 2,707,009 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | 2,707,009 | | | Regional Operations | | 660,940 | | | — | | | — | | | — | | | — | | | 660,940 | | | MGM China | | 1,349,356 | | | — | | | — | | | — | | | 7,269 | | | 1,356,625 | | MGM Digital | | 448,389 | | | 215 | | | — | | | — | | | (28,174) | | | 420,430 | | | | | $ | 5,165,694 | | | $ | 215 | | | $ | — | | | $ | — | | | $ | (20,905) | | | $ | 5,145,004 | |
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| Schedule of Estimated Future Amortization |
As of December 31, 2025, estimated future amortization was as follows: | | | | | | | | | Years ending December 31, | | (In thousands) | | 2026 | | $ | 147,716 | | | 2027 | | 127,799 | | | 2028 | | 90,504 | | | 2029 | | 68,682 | | | 2030 | | 44,840 | | | Thereafter | | 178,629 | | | | | $ | 658,170 | |
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