Area of meeting and event space.

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- Definition

Area of retail and restaurant space.

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No definition available.

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- Definition

Expected construction and development costs.

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No definition available.

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- Definition

Number of hotel rooms.

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No definition available.

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- Definition

Number of lease renewal options.

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No definition available.

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- Definition

Number of seats in an entertainment venue.

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No definition available.

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- Definition

Number of slot machines.

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No definition available.

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- Definition

Number of table games.

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No definition available.

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- Definition

Organization disclosure.

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No definition available.

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- Definition

Space of parking garage.

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No definition available.

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- Definition

Area of a real estate property.

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No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Term of the lessor's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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No definition available.

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- Definition

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

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No definition available.

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Organization - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) a ft² games Slot Room Seat Parking_garage_space Option Segment	Nov. 30, 2015	Nov. 23, 2015	Apr. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Jun. 30, 2013
Organization Disclosure [Line Items]
Number of reportable segments \| Segment	2
MGM China [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	51.00%
MGM Cotai [Member]
Organization Disclosure [Line Items]
Expected development and construction cost, excluding capitalized and land related costs \| $	$ 3,000
MGM Cotai [Member] \| Maximum [Member]
Organization Disclosure [Line Items]
Number of hotel rooms \| Room	1,500
Number of gaming tables \| games	500
Number of slots \| Slot	1,500
MGM Cotai [Member] \| Macau [Member]
Organization Disclosure [Line Items]
Area of development site (in acres) \| a	18
Mgm National Harbor [Member]
Organization Disclosure [Line Items]
Number of hotel rooms \| Room	300
Number of gaming tables \| games	160
Number of slots \| Slot	3,600
Expected development and construction cost, excluding capitalized and land related costs \| $	$ 1,300
Number of seats \| Seat	3,000
Area of retail and restaurant space \| ft²	93,100
Area of meeting and event space \| ft²	50,000
Parking garage space \| Parking_garage_space	4,700
MGM Springfield [Member] \| Massachusetts [Member]
Organization Disclosure [Line Items]
Area of development site (in acres) \| a	14
Number of hotel rooms \| Room	250
Number of gaming tables \| games	100
Number of slots \| Slot	3,000
Expected development and construction cost, excluding capitalized and land related costs \| $	$ 865
Area of retail and restaurant space \| ft²	100,000
Area of meeting and event space \| ft²	44,000
Parking garage space \| Parking_garage_space	3,375
Silver Legacy [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%	50.00%	50.00%
CityCenter Holdings, LLC [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%			50.00%	50.00%	50.00%
CityCenter Holdings, LLC [Member] \| Co-venturer [Member] \| Infinity World Development Corp [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%
Marina District Development Company [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%					50.00%
Borgata [Member] \| Boyd [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%
Grand Victoria [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%						50.00%	50.00%
Grand Victoria [Member] \| Co-venturer [Member] \| Hyatt Gaming [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%
Las Vegas Arena Company, LLC [Member]
Organization Disclosure [Line Items]
Percentage ownership interest	50.00%
Expected development and construction cost, excluding capitalized and land related costs \| $	$ 350
Lease initial term	15 years
Lease renewal term	5 years
Number of renewal options \| Option	2
Las Vegas Arena Company, LLC [Member] \| Maximum [Member]
Organization Disclosure [Line Items]
Number of seats \| Seat	20,000
Las Vegas Arena Company, LLC [Member] \| Minimum [Member]
Organization Disclosure [Line Items]
Number of seats \| Seat	18,000