COMMITMENTS AND CONTINGENCIES	9 Months Ended
Sep. 30, 2026
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES Litigation. The Company is a party to various legal proceedings, most of which relate to routine matters incidental to its business. Management does not believe that the outcome of such proceedings will have a material adverse effect on the Company’s financial position, results of operations or cash flows. Commitments and guarantees. MGM China bank guarantees. In connection with the issuance of the gaming concession in January 2023, bank guarantees were provided to the government of Macau in the amount of MOP1 billion (approximately $124 million as of September 30, 2026) to warrant the fulfillment of labor liabilities and of damages or losses that may result if there is noncompliance with the concession. The guarantees expire 180 days after the end of the concession term. As of September 30, 2026, MOP700 million of the bank guarantees (approximately $87 million) were secured by pledged cash. Bellagio REIT shortfall guarantee. The Company provides a shortfall guarantee of the $3.01 billion principal amount of indebtedness (and any interest accrued and unpaid thereon) of the landlord of Bellagio, Bellagio REIT Venture, which is a VIE and a related party, for which such indebtedness matures in 2029. The terms of the shortfall guarantee provide that after the lenders have exhausted certain remedies to collect on the obligations under the indebtedness, the Company would then be responsible for any shortfall between the value of the collateral, which is the real estate assets of the applicable property owned by the landlord, and the debt obligation. The guarantee is accounted for under ASC 460 at fair value; such value is immaterial. MGM Osaka guarantees. The Company provides for guarantees (1) in the amount of JPY12.65 billion (approximately $80 million as of September 30, 2026) for 50% of MGM Osaka’s obligations to Osaka under various agreements related to the venture’s development of an integrated resort in Osaka, Japan and (2) of an uncapped amount to provide funding to MGM Osaka, if necessary, for the completion of the construction and full opening of the integrated resort. The guarantees expire when the obligations relating to the full opening of the integrated resort are fulfilled. The guarantees are accounted for under ASC 460 at fair value; such value is immaterial. Additionally, the Company’s ownership interest in MGM Osaka, which had a carrying value of $576 million as of September 30, 2026, is pledged as collateral for MGM Osaka’s obligations under its credit agreement. MGM Osaka funding commitment. In connection with MGM Osaka’s development of an integrated resort, the Company has commitments to fund MGM Osaka of JPY428 billion, of which an estimated amount of approximately JPY333.0 billion (approximately $2.1 billion) remains to be funded as of September 30, 2026. During the three and nine months ended September 30, 2026, the Company funded JPY2.9 billion (approximately $18 million) and JPY23.9 billion (approximately $155 million) of the committed amount, respectively. Subsequent to September 30, 2026, in October 2026, the Company funded JPY19.4 billion (approximately $123 million) of the committed amount. During the three and nine months ended September 30, 2025, the Company funded JPY18.4 billion (approximately $123 million) and JPY30.7 billion (approximately $208 million) of the committed amount, respectively. The fundings are recognized as contributions to investment in unconsolidated affiliates. Other guarantees. The Company and its subsidiaries are party to various guarantee contracts in the normal course of business, which are generally supported by letters of credit issued by financial institutions. The Company’s senior credit facility limits the amount of letters of credit that can be issued to $1.35 billion. At September 30, 2026, $25 million in letters of credit were outstanding under the Company’s senior credit facility. The amount of available borrowings under the credit facility is reduced by any outstanding letters of credit.

Litigation. The Company is a party to various legal proceedings, most of which relate to routine matters incidental to its business. Management does not believe that the outcome of such proceedings will have a material adverse effect on the Company’s financial position, results of operations or cash flows.

Commitments and guarantees. MGM China bank guarantees. In connection with the issuance of the gaming concession in January 2023, bank guarantees were provided to the government of Macau in the amount of MOP1 billion (approximately $124 million as of September 30, 2026) to warrant the fulfillment of labor liabilities and of damages or losses that may result if there is noncompliance with the concession. The guarantees expire 180 days after the end of the concession term. As of September 30, 2026, MOP700 million of the bank guarantees (approximately $87 million) were secured by pledged cash.

Bellagio REIT shortfall guarantee. The Company provides a shortfall guarantee of the $3.01 billion principal amount of indebtedness (and any interest accrued and unpaid thereon) of the landlord of Bellagio, Bellagio REIT Venture, which is a VIE and a related party, for which such indebtedness matures in 2029. The terms of the shortfall guarantee provide that after the lenders have exhausted certain remedies to collect on the obligations under the indebtedness, the Company would then be responsible for any shortfall between the value of the collateral, which is the real estate assets of the applicable property owned by the landlord, and the debt obligation. The guarantee is accounted for under ASC 460 at fair value; such value is immaterial.

MGM Osaka guarantees. The Company provides for guarantees (1) in the amount of JPY12.65 billion (approximately $80 million as of September 30, 2026) for 50% of MGM Osaka’s obligations to Osaka under various agreements related to the venture’s development of an integrated resort in Osaka, Japan and (2) of an uncapped amount to provide funding to MGM Osaka, if necessary, for the completion of the construction and full opening of the integrated resort. The guarantees expire when the obligations relating to the full opening of the integrated resort are fulfilled. The guarantees are accounted for under ASC 460 at fair value; such value is immaterial. Additionally, the Company’s ownership interest in MGM Osaka, which had a carrying value of $576 million as of September 30, 2026, is pledged as collateral for MGM Osaka’s obligations under its credit agreement.

MGM Osaka funding commitment. In connection with MGM Osaka’s development of an integrated resort, the Company has commitments to fund MGM Osaka of JPY428 billion, of which an estimated amount of approximately JPY333.0 billion (approximately $2.1 billion) remains to be funded as of September 30, 2026. During the three and nine months ended September 30, 2026, the Company funded JPY2.9 billion (approximately $18 million) and JPY23.9 billion (approximately $155 million) of the committed amount, respectively. Subsequent to September 30, 2026, in October 2026, the Company funded JPY19.4 billion (approximately $123 million) of the committed amount. During the three and nine months ended September 30, 2025, the Company funded JPY18.4 billion (approximately $123 million) and JPY30.7 billion (approximately $208 million) of the committed amount, respectively. The fundings are recognized as contributions to investment in unconsolidated affiliates.