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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands, ¥ in Millions, MOP$ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 MOP (MOP$)	Dec. 31, 2025 JPY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 JPY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 JPY (¥)	Dec. 31, 2025 MOP (MOP$)	Dec. 31, 2025 JPY (¥)	Jan. 01, 2023 USD ($)
Loss Contingencies [Line Items]
Funded amount		$ 237,759			$ 182,078		$ 161,040
Long term debt		6,260,327			6,403,119
Gaming rights
Loss Contingencies [Line Items]
Finite-lived intangible assets:		348,043			339,248
Senior Credit Facility
Loss Contingencies [Line Items]
Credit facility outstanding		25,000
Revolving Credit Facility
Loss Contingencies [Line Items]
Long term debt		$ 1,350,000
MGM Osaka \| JAPAN
Loss Contingencies [Line Items]
Ownership interest (in percent)		50.00%							50.00%	50.00%
Purchase Commitment, Amount \| ¥										¥ 428,000
Commitment amount		$ 2,300,000								356,900
Funded amount		238,000		¥ 35,300	157,000	¥ 25,200	$ 69,000	¥ 10,300
MGM Osaka \| JAPAN \| Asset Pledged as Collateral
Loss Contingencies [Line Items]
Equity method investments		434,000
Performance Guarantee
Loss Contingencies [Line Items]
Guarantee obligation amount		81,000								¥ 12,650
Blackstone Real Estate Income Trust
Loss Contingencies [Line Items]
Guarantee obligation amount		3,010,000
MGM Grand Paradise SA \| Concession Contract
Loss Contingencies [Line Items]
Collaborative agreement, obligations due annually for next five years		269,000							MOP$ 2,200
Collaborative agreement, obligations after year five		540,000							4,300
Investment in gaming and non-gaming projects and development of international tourist markets		2,500,000	MOP$ 19,700
MGM Grand Paradise SA \| Concession Contract \| Non-Gaming Projects
Loss Contingencies [Line Items]
Investment in gaming and non-gaming projects and development of international tourist markets		2,200,000	MOP$ 18,000
MGM Grand Paradise SA \| Reversion Agreement
Loss Contingencies [Line Items]
Collaborative agreement, obligations after year five		37,000							297
Collaborative agreement, obligations due annually for next four years		19,000							148
MGM Grand Paradise SA \| Gaming Concessions
Loss Contingencies [Line Items]
Guarantee obligation amount		87,000			$ 87,000				700
MGM Grand Paradise SA \| June 2022 Gaming Concessions
Loss Contingencies [Line Items]
Share capital required to be maintained		624,000							5,000
MGM Grand Paradise SA \| January 2023 Concessions
Loss Contingencies [Line Items]
Guarantee obligation amount		$ 125,000							MOP$ 1,000
Guarantee expiration, days after the end of the concession term		180 days	180 days	180 days
Insurance Carriers
Loss Contingencies [Line Items]
Payments for legal settlements	$ 45,000
MGM Grand Paradise
Loss Contingencies [Line Items]
Gaming concession liability											$ 226,000
Gaming concession contract, term		10 years	10 years	10 years
MGM Grand Paradise \| Gaming rights
Loss Contingencies [Line Items]
Finite-lived intangible assets:											$ 226,000