XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.25.2

INVESTMENTS IN AND ADVANCES TO UNCONSOLIDATED AFFILIATES (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Share of Income (Loss) from Unconsolidated Affiliates | The Company recorded its share of income (loss) from unconsolidated affiliates as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (In thousands)
Income (loss) from unconsolidated affiliates | $ | 25,860 |  |  | $ | (34,184) |  |  | $ | 12,964 |  |  | $ | (59,308) |
Non-operating items from unconsolidated affiliates | (4,055) |  |  | 1,762 |  |  | (3,793) |  |  | 1,626 |
| $ | 21,805 |  |  | $ | (32,422) |  |  | $ | 9,171 |  |  | $ | (57,682) |
Schedule of Share of Operating Income (Loss) from Unconsolidated Affiliates | The following table summarizes information related to the Company’s share of operating income (loss) from unconsolidated affiliates:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (In thousands)
BetMGM North America Venture | $ | 21,770 |  |  | $ | (38,391) |  |  | $ | 6,569 |  |  | $ | (70,992) |
Other | 4,090 |  |  | 4,207 |  |  | 6,395 |  |  | 11,684 |
| $ | 25,860 |  |  | $ | (34,184) |  |  | $ | 12,964 |  |  | $ | (59,308) |

X
- Definition Equity method investment financial statement related to income from unconsolidated affiliates. + References No definition available. + Details
Name: | mgm_EquityMethodInvestmentFinancialStatementRelatedToIncomeFromUnconsolidatedAffiliatesTableTextBlock
Namespace Prefix: | mgm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the entity's proportionate share of results of operations of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. + References No definition available. + Details
Name: | mgm_EquityMethodInvestmentFinancialStatementReportedAmountsResultsOfOperationsTableTextBlock
Namespace Prefix: | mgm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration