XML 48 R30.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
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
|  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
|  | (in thousands)
Balance at January 1 |  | $ | 212,671 |  |  | $ | 314,570 |  |  | $ | 139,756 |  |  | $ | 126,966 |  |  | $ | 382,287 |  |  | $ | 481,095 |
Balance at December 31 |  | 176,219 |  |  | 212,671 |  |  | 144,465 |  |  | 139,756 |  |  | 640,001 |  |  | 382,287 |
Increase / (decrease) |  | $ | (36,452) |  |  | $ | (101,899) |  |  | $ | 4,709 |  |  | $ | 12,790 |  |  | $ | 257,714 |  |  | $ | (98,808) |
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,
|  | 2021 |  | 2020 |  | 2019
Numerator: |  | (In thousands)
Net income (loss) attributable to MGM Resorts International |  | $ | 1,254,370 |  |  | $ | (1,032,724) |  |  | $ | 2,049,146 |
Adjustment related to redeemable noncontrolling interests |  | (78,298) |  |  | 35,520 |  |  | (2,713) |
Net income (loss) available to common stockholders - basic |  | 1,176,072 |  |  | (997,204) |  |  | 2,046,433 |
Other |  | — |  |  | — |  |  | (194) |
Net income (loss) attributable to common stockholders - diluted |  | $ | 1,176,072 |  |  | $ | (997,204) |  |  | $ | 2,046,239 |
Denominator: |  |  |  |  |  |
Weighted average common shares outstanding basic |  | 481,930 |  |  | 494,152 |  |  | 524,173 |
Potential dilution from share-based awards |  | 5,426 |  |  | — |  |  | 3,472 |
Weighted average common and common equivalent shares - diluted |  | 487,356 |  |  | 494,152 |  |  | 527,645 |
Antidilutive share-based awards excluded from the calculation of diluted earnings per share |  | 198 |  |  | 9,493 |  |  | 1,617 |

X
- 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 No definition available. + Details
Name: | mgm_PropertyPlantAndEquipmentUsefulLifeTableTextBlock
Namespace Prefix: | mgm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + 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=123351226&loc=SL49130551-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration