Number Of Integrated Casino, Hotel and Entertainment Resorts

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- Definition

Organization disclosure.

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- Definition

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
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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No definition available.

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ORGANIZATION (Details)	6 Months Ended
ORGANIZATION (Details)	Jun. 30, 2026 segment resort	Jul. 29, 2026	Apr. 30, 2026	Mar. 31, 2026
Organization Disclosure [Line Items]
Number of reportable segments \| segment	4
BetMGM North America Venture
Organization Disclosure [Line Items]
Ownership interest (as a percent)	50.00%
MGM Osaka
Organization Disclosure [Line Items]
Ownership interest (as a percent)	39.00%		39.00%	50.00%
MGM Osaka \| Subsequent Event
Organization Disclosure [Line Items]
Ownership interest (as a percent)		40.00%
MGM China
Organization Disclosure [Line Items]
Controlling interest (as a percent)	56.00%
Number of integrated casino \| resort	2