ORGANIZATION (Details)	9 Months Ended
Sep. 30, 2024 segment resort
Organization Disclosure [Line Items]
Number of reportable segments \| segment	3
BetMGM LLC
Organization Disclosure [Line Items]
Ownership interest (in percent)	50.00%
BetMGM LLC \| Entain plc
Organization Disclosure [Line Items]
Ownership interest (in percent)	50.00%
Osaka IR KK \| Japan
Organization Disclosure [Line Items]
Ownership interest (in percent)	50.00%
MGM China
Organization Disclosure [Line Items]
Controlling interest (in percent)	56.00%
Number of integrated casino \| resort	2

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
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