Agreement expiration date.

No definition available.

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- Definition

Business acquisition month of acquisition agreement.

+ References

No definition available.

+ Details

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- Definition

Contract extension fee paid.

+ References

No definition available.

+ Details

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- Definition

Contract extension premium paid.

+ References

No definition available.

+ Details

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- Definition

Extended expiration date of agreement.

+ References

No definition available.

+ Details

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- Definition

Minority interest ownership percentage in consolidated subsidiary.

+ References

No definition available.

+ Details

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- Definition

Organization disclosure.

+ References

No definition available.

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- Definition

Percent interest in a less than hundred percent owned consolidated affiliate.

+ References

No definition available.

+ Details

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- Definition

Required minimum ownership percentage in beneficial ownership to entitle majority of voting power.

+ References

No definition available.

+ Details

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- Definition

Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

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Organization - Additional Information (Detail) $ in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2019 USD ($)	Jan. 31, 2019	Mar. 31, 2019 Segment	Dec. 31, 2018
Organization Disclosure [Line Items]
Percentage of minority interest	30.20%		30.20%
Number of reportable segments \| Segment			3
CityCenter Holdings LLC As Investee [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%		50.00%	50.00%
Las Vegas Arena Company LLC As Investee [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	42.50%		42.50%	42.50%
Infinity World Development Corp [Member] \| CityCenter Holdings LLC As Investee [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%		50.00%
Anschutz Entertainment Group, Inc [Member] \| Las Vegas Arena Company LLC As Investee [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	42.50%		42.50%
Athena Arena, LLC [Member] \| Las Vegas Arena Company LLC As Investee [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	15.00%		15.00%
Hard Rock Rocksino Northfield Park [Member]
Organization Disclosure [Line Items]
Date of acquisition agreement			2019-04
Class A shares [Member]
Organization Disclosure [Line Items]
Common stock voting rights			one vote per share
Non-Guarantor MGP Subsidiaries [Member] \| Class B shares [Member]
Organization Disclosure [Line Items]
Common stock voting rights			Class B share, is entitled to an amount of votes representing a majority of the total voting power of MGP’s shares so long as the Company and its controlled affiliates’ (excluding MGP) aggregate beneficial ownership of the combined economic interests in MGP and the Operating Partnership does not fall below 30%.
MGM Growth Properties LLC [Member]
Organization Disclosure [Line Items]
Minimum ownership percentage required for majority voting interest			30.00%
Partnership interest	69.80%	74.60%	69.80%
Percentage of minority interest	30.20%		30.20%
MGM Growth Properties LLC [Member] \| Class A shares [Member]
Organization Disclosure [Line Items]
Partnership interest		69.70%
MGM China [Member]
Organization Disclosure [Line Items]
Percentage ownership interest			56.00%
MGM Grand Paradise [Member] \| Extension Agreement [Member]
Organization Disclosure [Line Items]
Agreement expiration date	Mar. 31, 2020
Extended expiration date of agreement	Jun. 26, 2022
Contract extension premium paid	$ 25
Contract extension fee paid	$ 2