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Leases - Additional Information (Detail) $ in Millions					9 Months Ended
	Mar. 01, 2021 USD ($)	Dec. 01, 2020 USD ($)	Feb. 14, 2020 renewal_period	Nov. 15, 2019 renewal_period	Sep. 30, 2021 USD ($) renewal_period
Blackstone real estate income trust | Aria and Vdara
Leases [Line Items]
Lease rolling period					5 years
Lease succeeding period					1 year
Blackstone real estate income trust | Las Vegas Strip Resorts | Bellagio BREIT Venture
Leases [Line Items]
Lease agreement initial lease term				30 years
Number of renewal periods, exercisable at option | renewal_period				2
Lease agreement renewal period				10 years
Annual rent escalator from year one through year ten				2.00%
Annual rent escalator from year eleven through year twenty				2.00%
Annual rent escalator cap from year eleven through year twenty				3.00%
Annual rent escalator after year twenty				4.00%
Annual rent | $		$ 250
MGP BREIT Venture | Mandalay Bay and MGM Grand Las Vegas
Leases [Line Items]
Lease agreement initial lease term			30 years
Number of renewal periods, exercisable at option | renewal_period			2
Lease agreement renewal period			10 years
Annual rent | $	$ 298
Annual rent escalator from year one through year fifteen			2.00%
Annual rent escalator after year fifteen			2.00%
Annual rent escalator cap after year fifteen			3.00%
Affiliated Entity | Aria and Vdara
Leases [Line Items]
Lease agreement initial lease term					30 years
Number of renewal periods, exercisable at option | renewal_period					3
Lease agreement renewal period					10 years
Annual rent | $					$ 215
Annual rent escalator from year one through year fifteen					2.00%
Annual rent escalator after year fifteen					2.00%
Annual rent escalator cap after year fifteen					3.00%

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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