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Commitments and Contingencies (Detail)	9 Months Ended
	Sep. 30, 2021 USD ($)
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	twelve years
Percentage of principal amount outstanding guaranteed	10.00%
MGP Senior Credit Facility
Loss Contingencies [Line Items]
Credit facility outstanding	$ 0
Senior Credit Facility
Loss Contingencies [Line Items]
Credit facility outstanding	33,000,000
Letters of credit | MGP Senior Credit Facility
Loss Contingencies [Line Items]
Line of credit facility capacity	75,000,000
Letters of credit | Senior Credit Facility
Loss Contingencies [Line Items]
Line of credit facility capacity	850,000,000
MGM Grand Paradise SA | Extension Agreement
Loss Contingencies [Line Items]
Guarantee obligation amount	$ 102,000,000

X

- Definition

Percentage of principal amount outstanding guaranteed.

+ References

No definition available.

+ Details

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X

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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X

- Definition

Describe the approximate term of the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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- Definition

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+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

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