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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands, ¥ in Millions, MOP$ in Millions	1 Months Ended
	Jan. 31, 2023 MOP (MOP$)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 MOP (MOP$)	Mar. 31, 2024 JPY (¥)	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Commitment amount		$ 2,000,000		¥ 306,000
Long-term debt, gross		$ 6,294,463			$ 6,371,852
Japanese Joint Venture | JAPAN
Loss Contingencies [Line Items]
Guarantor obligations (as s percent)		50.00%	50.00%	50.00%
Senior Credit Facility
Loss Contingencies [Line Items]
Credit facility outstanding		$ 28,000
Revolving Credit Facility
Loss Contingencies [Line Items]
Long-term debt, gross		1,350,000
Performance Guarantee
Loss Contingencies [Line Items]
Obligation amount		84,000		¥ 12,650
Blackstone Real Estate Income Trust
Loss Contingencies [Line Items]
Obligation amount		3,010,000
Mandalay Bay and MGM Grand Las Vegas
Loss Contingencies [Line Items]
Obligation amount		3,000,000
MGM Grand Paradise SA | January 2023 Concessions
Loss Contingencies [Line Items]
Obligation amount	MOP$ 1,000	124,000
Guarantee expiration, days after the end of the concession term	180 days
MGM Grand Paradise SA | June 2022 Sub Concession Extension Contract
Loss Contingencies [Line Items]
Obligation amount		$ 87,000	MOP$ 700		$ 87,000

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