XML 98 R76.htm IDEA: XBRL DOCUMENT
v3.25.0.1

INCOME TAXES - Schedule of Income Tax Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred income tax valuation allowance: |  |  |
Balance at Beginning of Period | $ 1,778,446 | $ 2,886,575 | $ 2,884,262
Increase | 0 | 0 | 2,313
Decrease | (737,046) | (1,108,129) | 0
Balance at End of Period | $ 1,041,400 | $ 1,778,446 | $ 2,886,575

X
- Definition Valuation Allowance, Deferred Tax Asset, Decrease, Amount + References No definition available. + Details
Name: | mgm_ValuationAllowanceDeferredTaxAssetDecreaseAmount
Namespace Prefix: | mgm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Valuation Allowance, Deferred Tax Asset, Increase, Amount + References No definition available. + Details
Name: | mgm_ValuationAllowanceDeferredTaxAssetIncreaseAmount
Namespace Prefix: | mgm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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