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Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Property and Equipment

Property and equipment are generally depreciated over the following estimated useful lives on a straight-line basis:

Buildings and improvements		15 to 40 years
Land improvements		10 to 20 years
Furniture and fixtures		3 to 20 years
Equipment		3 to 15 years

Schedule of Contract and Contract - Related Liabilities

The following table summarizes the activity related to contract and contract-related liabilities:

	Outstanding Chip Liability								Loyalty Program								Customer Advances and Other
	2019				2018				2019				2018				2019				2018
	(in thousands)
Balance at January 1	$	323,811			$	597,753			$	113,293			$	91,119			$	667,285			$	539,626
Balance at December 31		314,570				323,811				126,966				113,293				481,095				667,285
Increase / (decrease)	$	(9,241	)		$	(273,942	)		$	13,673			$	22,174			$	(186,190	)		$	127,659

Schedule of Diluted Weighted-Average Number of Common and Common Equivalent Shares Adjustments for Potential Dilution of Share-Based Awards Outstanding

Diluted weighted-average common and common equivalent shares include adjustments for potential dilution of share-based awards outstanding under the Company’s stock compensation plan.

		Year Ended December 31,
		2019				2018				2017
Numerator:		(In thousands)
Net income attributable to MGM Resorts International		$	2,049,146			$	466,772			$	1,952,052
Adjustment related to redeemable noncontrolling interests			(2,713	)			(21,326	)			(18,363	)
Net income available to common stockholders - basic			2,046,433				445,446				1,933,689
Potentially dilutive effect due to MGP and MGM China stock compensation plans			(194	)			(206	)			(268	)
Net income attributable to common stockholders - diluted		$	2,046,239			$	445,240			$	1,933,421
Denominator:
Weighted-average common shares outstanding basic			524,173				544,253				572,253
Potential dilution from share-based awards			3,472				5,283				6,542
Weighted-average common and common equivalent shares - diluted			527,645				549,536				578,795
Antidilutive share-based awards excluded from the calculation of diluted earnings per share			1,617				2,668				2,601

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- Definition

Tabular disclosure of the useful life and of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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