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COMMITMENTS AND CONTINGENCIES (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Loss Contingencies [Line Items] |  |
Long-term debt, gross | $ 11,841,249,000 | $ 12,860,966,000
Blackstone real estate income trust |  |
Loss Contingencies [Line Items] |  |
Guarantee obligation amount | 3,010,000,000.00 |
MGP BREIT Venture |  |
Loss Contingencies [Line Items] |  |
Guarantee obligation amount | $ 3,000,000,000 |
Guarantee term | 12 years |
Percentage of principal amount outstanding guaranteed | 10.00% |
MGM Grand Paradise SA | Extension Agreement |  |
Loss Contingencies [Line Items] |  |
Guarantee obligation amount | $ 102,000,000 |
MGP Senior Credit Facility |  |
Loss Contingencies [Line Items] |  |
Credit facility outstanding | 0 |
MGP Senior Credit Facility | Letters of credit |  |
Loss Contingencies [Line Items] |  |
Line of credit facility | 75,000,000 |
Senior Credit Facility |  |
Loss Contingencies [Line Items] |  |
Credit facility outstanding | 33,000,000 |
Revolving Credit Facility |  |
Loss Contingencies [Line Items] |  |
Long-term debt, gross | 1,350,000,000 |
Revolving Credit Facility | Senior Credit Facility |  |
Loss Contingencies [Line Items] |  |
Line of credit facility | $ 1,675,000,000 |

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