$MGM
MGM Resorts International Stock $mgm

$mgm Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000078957022000005 Filed on February 25, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$3.057B	$9.680B	$1.494B
YoY Change	104.68%	87.52%	-53.11%
Cost Of Revenue	$1.565B	$5.031B	$910.7M
YoY Change	71.84%	45.69%	-52.06%
Gross Profit	$1.492B	$4.650B	$582.9M
YoY Change	155.94%	172.06%	-54.66%
Gross Profit Margin	48.8%	48.03%	39.03%
Selling, General & Admin	$886.6M	$2.507B	$634.5M
YoY Change	39.73%	18.14%	-6.43%
% of Gross Profit	59.42%	53.92%	108.85%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$297.0M	$1.151B	$298.7M
YoY Change	-0.56%	-4.96%	-9.87%
% of Gross Profit	19.91%	24.75%	51.24%
Operating Expenses	$1.184B	$2.507B	$933.2M
YoY Change	26.83%	18.14%	-7.57%
Operating Profit	$308.3M	$2.279B	-$350.3M
YoY Change	-188.01%	-454.7%	-111.83%
Interest Expense	-$220.3M	$799.6M	-$217.1M
YoY Change	1.47%	18.22%	13.72%
% of Operating Profit	-71.45%	35.09%
Other Income/Expense, Net	-$9.361M	-$816.9M	$12.70M
YoY Change	-173.71%	-6.0%	-109.82%
Pretax Income	$147.2M	$1.462B	-$562.9M
YoY Change	-126.16%	-196.71%	-121.47%
Income Tax	$31.15M	$253.4M	-$106.9M
% Of Pretax Income	21.16%	17.34%
Net Earnings	$131.0M	$1.254B	-$447.6M
YoY Change	-129.27%	-221.46%	-122.25%
Net Earnings / Revenue	4.29%	12.96%	-29.97%
Basic Earnings Per Share		$2.44
Diluted Earnings Per Share	$278.8K	$2.41	-$905.7K
COMMON SHARES
Basic Shares Outstanding	469.0M shares	481.9M shares
Diluted Shares Outstanding		487.4M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.703B	$4.703B	$5.102B
YoY Change	-7.82%	-7.82%	118.97%
Cash & Equivalents	$4.703B	$4.703B	$5.102B
Short-Term Investments
Other Short-Term Assets	$759.0M	$759.0M	$201.0M
YoY Change	277.6%	277.6%	0.5%
Inventory	$96.37M	$96.37M	$88.32M
Prepaid Expenses
Receivables	$583.9M	$583.9M	$316.5M
Other Receivables	$273.9M	$273.9M	$243.0M
Total Short-Term Assets	$6.416B	$6.416B	$5.951B
YoY Change	7.82%	7.82%	48.48%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.44B	$25.93B	$14.63B
YoY Change	-1.34%	13.13%	-19.98%
Goodwill	$3.481B		$2.091B
YoY Change	66.45%		0.32%
Intangibles	$3.616B		$3.644B
YoY Change	-0.75%		-4.78%
Long-Term Investments	$967.0M	$967.0M	$1.447B
YoY Change	-33.17%	-33.17%	76.03%
Other Assets	$490.2M	$490.2M	$443.4M
YoY Change	10.55%	10.66%	-2.93%
Total Long-Term Assets	$34.48B	$34.48B	$30.54B
YoY Change	12.89%	12.9%	2.26%
TOTAL ASSETS
Total Short-Term Assets	$6.416B	$6.416B	$5.951B
Total Long-Term Assets	$34.48B	$34.48B	$30.54B
Total Assets	$40.90B	$40.90B	$36.49B
YoY Change	12.07%	12.07%	7.73%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$263.1M	$263.1M	$142.5M
YoY Change	84.6%	83.98%	-39.46%
Accrued Expenses	$2.068B	$1.785B	$1.604B
YoY Change	28.95%	20.54%	11357.14%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.000B	$1.088B	$0.00
YoY Change		1259.58%
Total Short-Term Liabilities	$3.442B	$3.442B	$1.857B
YoY Change	85.41%	85.37%	-41.83%
LONG-TERM LIABILITIES
Long-Term Debt	$11.77B	$11.85B	$12.38B
YoY Change	-4.9%	-5.31%	10.81%
Other Long-Term Liabilities	$319.9M	$12.05B	$8.728B
YoY Change	-96.33%	38.02%	88.04%
Total Long-Term Liabilities	$12.09B	$23.89B	$12.38B
YoY Change	-2.31%	12.5%	-21.72%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.442B	$3.442B	$1.857B
Total Long-Term Liabilities	$12.09B	$23.89B	$12.38B
Total Liabilities	$15.53B	$34.83B	$14.23B
YoY Change	9.13%	16.13%	-32.57%
SHAREHOLDERS EQUITY
Retained Earnings	$4.341B		$3.091B
YoY Change	40.43%		-26.43%
Common Stock	$1.755B		$3.444B
YoY Change	-49.06%		-2.59%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.071B	$6.071B	$6.505B
YoY Change
Total Liabilities & Shareholders Equity	$40.90B	$40.90B	$36.49B
YoY Change	12.07%	12.07%	7.73%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$131.0M	$1.254B	-$447.6M
YoY Change	-129.27%	-221.46%	-122.25%
Depreciation, Depletion And Amortization	$297.0M	$1.151B	$298.7M
YoY Change	-0.56%	-4.96%	-9.87%
Cash From Operating Activities	$486.7M	$1.373B	-$243.4M
YoY Change	-299.97%	-191.99%	-153.58%
INVESTING ACTIVITIES
Capital Expenditures	-$168.6M	$490.7M	-$93.00M
YoY Change	81.25%	81.35%	-63.7%
Acquisitions		$1.790B
YoY Change
Other Investing Activities	$35.18M	-$46.11M	-$19.20M
YoY Change	-283.24%	5181.79%	-100.4%
Cash From Investing Activities	-$133.4M	$1.544B	-$112.3M
YoY Change	18.77%	-28.51%	-102.47%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$1.754B
YoY Change		395.73%
Debt Paid & Issued, Net		$0.00
YoY Change		-100.0%
Cash From Financing Activities	-720.7M	-$2.814B	863.6M
YoY Change	-183.45%	-233.79%	-122.09%
NET CHANGE
Cash From Operating Activities	486.7M	$1.373B	-243.4M
Cash From Investing Activities	-133.4M	$1.544B	-112.3M
Cash From Financing Activities	-720.7M	-$2.814B	863.6M
Net Change In Cash	-367.3M	$101.4M	507.9M
YoY Change	-172.32%	-96.34%	-53.54%
FREE CASH FLOW
Cash From Operating Activities	$486.7M	$1.373B	-$243.4M
Capital Expenditures	-$168.6M	$490.7M	-$93.00M
Free Cash Flow	$655.3M	$882.7M	-$150.4M
YoY Change	-535.69%	-150.05%	-121.17%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000789570
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CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-10362
CY2021	dei	Entity Registrant Name EntityRegistrantName	MGM Resorts International
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	88-0215232
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	3600 Las Vegas Boulevard South
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Las Vegas
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NV
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	89109
CY2021	dei	City Area Code CityAreaCode	702
CY2021	dei	Local Phone Number LocalPhoneNumber	693-7120
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.01 Par Value
CY2021	dei	Trading Symbol TradingSymbol	MGM
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2021	dei	Auditor Firm AuditorFirmId	34
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CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	65941000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-89361000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-183262000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-816895000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-869045000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1511479000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2846725000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253415000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-191572000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	632345000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1208389000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1319907000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2214380000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-45981000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-287183000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	165234000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1254370000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1032724000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2049146000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.44
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.02
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.90
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.41
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.02
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.88
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	481930000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	494152000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	524173000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	487356000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	494152000	shares
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28870000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	527645000	shares
CY2021	us-gaap	Profit Loss ProfitLoss	1208389000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1319907000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2214380000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-24655000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	27762000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	34788000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-79365000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-29505000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10133000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-51603000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-635000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1218522000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1371510000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2213745000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-35700000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-309969000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	168447000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1254222000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	39270000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	65183000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	106956000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	88838000	USD
CY2021	mgm	Property Transactions Net PropertyTransactionsNet	-67736000	USD
CY2020	mgm	Property Transactions Net PropertyTransactionsNet	93567000	USD
CY2019	mgm	Property Transactions Net PropertyTransactionsNet	275802000	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	1491945000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	2677996000	USD
CY2021	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	1562329000	USD
CY2020	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	0	USD
CY2019	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	0	USD
CY2021	mgm	Noncash Lease Expense NoncashLeaseExpense	188917000	USD
CY2020	mgm	Noncash Lease Expense NoncashLeaseExpense	183399000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1580000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-60366000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	57225000	USD
CY2019	mgm	Noncash Lease Expense NoncashLeaseExpense	71784000	USD
CY2021	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	28417000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	0	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1061541000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2045298000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1208389000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1319907000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2214380000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1150610000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1210556000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1304649000	USD
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	40328000	USD
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	34363000	USD
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	38972000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-37000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-126462000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-198151000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	21852000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	71422000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	37000	USD
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	99370000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	86584000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	299000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	241947000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18347000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	595046000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	236182000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-960099000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	726610000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3107000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-14705000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-6522000	USD
CY2021	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-30444000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-216250000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	1259000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	36608000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-7567000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	442626000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1382980000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	465602000	USD
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-125647000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-48750000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-35909000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1373423000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1493043000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1810401000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	490697000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	270579000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	739006000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	106600000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6136000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2578000	USD
CY2021	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	3888431000	USD
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	2455839000	USD
CY2019	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	4151499000	USD
CY2021	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2020	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2019	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	652333000	USD
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	226889000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	96925000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	81877000	USD
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	9694000	USD
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	63960000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	100700000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-46110000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-873000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	31112000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1543645000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	2159304000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3519434000	USD
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-2096217000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-1595089000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-3634049000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	749775000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3550000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3250000000	USD
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	846815000	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	3764167000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	18726000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	62348000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	63391000	USD
CY2021	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	USD
CY2020	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	1304625000	USD
CY2019	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	USD
CY2021	mgm	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	792851000	USD
CY2020	mgm	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	524704000	USD
CY2019	mgm	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	1250006000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4789000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	77606000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	271288000	USD
CY2021	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	324190000	USD
CY2020	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	286385000	USD
CY2019	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	223303000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1753509000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	353720000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1031534000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-159290000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-53939000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-41868000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2814095000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2103427000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4529594000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1551000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2345000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2601000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	101422000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2772033000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	802842000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5101637000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2329604000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1526762000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5203059000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5101637000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2329604000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	705680000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	639718000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	826970000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	43018000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8543000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	28493000	USD
CY2021	mgm	Noncash Or Part Noncash Notes Receivable Related To Productive Assets NoncashOrPartNoncashNotesReceivableRelatedToProductiveAssets	0	USD
CY2020	mgm	Noncash Or Part Noncash Notes Receivable Related To Productive Assets NoncashOrPartNoncashNotesReceivableRelatedToProductiveAssets	0	USD
CY2019	mgm	Noncash Or Part Noncash Notes Receivable Related To Productive Assets NoncashOrPartNoncashNotesReceivableRelatedToProductiveAssets	133689000	USD
CY2021	us-gaap	Loans Assumed1 LoansAssumed1	0	USD
CY2020	us-gaap	Loans Assumed1 LoansAssumed1	1304625000	USD
CY2019	us-gaap	Loans Assumed1 LoansAssumed1	0	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10469791000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	2205287000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28870000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-29505000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	88838000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-25965000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	181816000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2019	us-gaap	Dividends Dividends	271288000	USD
CY2019	mgm	Stock Issued During Period Value Restricted Stock Units StockIssuedDuringPeriodValueRestrictedStockUnits	1546000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1031534000	USD
CY2019	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	2714000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-2220000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12662919000	USD
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-1326125000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	27762000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-79365000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	106956000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-16403000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	221690000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1575
CY2021	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	1198577000	USD
CY2021	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	78298000	USD
CY2020	us-gaap	Dividends Dividends	77606000	USD
CY2020	mgm	Stock Issued During Period Value Restricted Stock Units StockIssuedDuringPeriodValueRestrictedStockUnits	2142000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	353720000	USD
CY2020	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	-35520000	USD
CY2020	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	22292000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-3380000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	11179908000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-24655000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	34788000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	65183000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-44518000	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	250910000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.01
CY2021	us-gaap	Dividends Dividends	4789000	USD
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1753509000	USD
CY2021	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	50828000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-10329000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10976766000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	ORGANIZATION <div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Organization. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">MGM Resorts International (together with its consolidated subsidiaries, unless otherwise indicated or unless the context requires otherwise, the “Company”) is a Delaware corporation that acts largely as a holding company and, through subsidiaries, owns and operates casino resorts.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">As of December 31, 2021, the Company operates the following integrated casino, hotel and entertainment resorts in Las Vegas, Nevada: Aria (including Vdara), Bellagio, MGM Grand Las Vegas (including The Signature), The Mirage, Mandalay Bay, Luxor, New York-New York, Park MGM, and Excalibur. The Company also operates MGM Grand Detroit in Detroit, Michigan, MGM National Harbor in Prince George’s County, Maryland, MGM Springfield in Springfield, Massachusetts, Borgata in Atlantic City, New Jersey, Empire City in Yonkers, New York, MGM Northfield Park in Northfield Park, Ohio, and the following resorts in Mississippi: Beau Rivage in Biloxi and Gold Strike Tunica in Tunica. Additionally, the Company operates The Park, a dining and entertainment district located between New York-New York and Park MGM, and the Company owns and operates Shadow Creek, an exclusive world-class golf course located approximately ten miles north of its Las Vegas Strip Resorts and Fallen Oak golf course in Saucier, Mississippi. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">MGM Growth Properties LLC (“MGP”), a consolidated subsidiary of the Company, is organized as an umbrella partnership REIT (commonly referred to as an UPREIT) structure in which substantially all of its assets are owned by and substantially all of its business is conducted through MGM Growth Properties Operating Partnership LP (the “Operating Partnership”). MGP has two classes of authorized and outstanding voting common shares (collectively, the “shares”): Class A shares and a single Class B share</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">. The Company owns MGP’s Class B share, which does not provide its holder any rights to profits or losses or any rights to receive distributions from operations of MGP or upon liquidation or winding up of MGP. MGP’s Class A shareholders are entitled to one vote per share, while the Company, as the owner of the Class B share, holds a controlling interest in MGP as it 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%. </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company and MGP each hold Operating Partnership units representing limited partner interests in the Operating Partnership. The general partner of the Operating Partnership is a wholly owned subsidiary of MGP</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">. T</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">he Operating Partnership units held by the Company are exchangeable into Class A shares of MGP on a one-to-one basis, or cash at the Fair Market Value of a Class A share (as defined in the Operating Partnership's partnership agreement)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">. The determination of settlement method is at the option of MGP’s independent conflicts committee. As of December 31, 2021, the Company owned 41.5% of the Operating Partnership units, and MGP held the remaining 58.5% ownership interest in the Operating Partnership. </span></div><div><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#212529;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company leases the real estate assets of The Mirage, Luxor, New York-New York, Park MGM, Excalibur, The Park, Gold Strike Tunica, MGM Grand Detroit, Beau Rivage, Borgata, Empire City, MGM National Harbor, MGM Northfield Park, and MGM Springfield pursuant to a master lease agreement between a subsidiary of the Company and a subsidiary of the Operating Partnership. The Company leases the real estate assets of Bellagio pursuant to a lease agreement between a subsidiary of the Company and a venture that is 5% owned by such subsidiary and 95% owned by a subsidiary of Blackstone Real Estate Income Trust, Inc. (“BREIT”, and such venture, the “Bellagio BREIT Venture”)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">. Additionally, the Company leases the real estate assets of Mandalay Bay and MGM Grand Las Vegas, pursuant to a lease agreement between a subsidiary of the Company and a venture that is 50.1% owned by a subsidiary of the Operating Partnership and 49.9% by a subsidiary of BREIT (such venture, the “MGP BREIT Venture”). Further, the Company leases the real estate assets of Aria (including Vdara) pursuant to a lease agreement between a subsidiary of the Company and funds managed by The Blackstone Group ("Blackstone"), as further discussed below. Refer to Note 11 for further discussion of the leases.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In January 2019, the Company acquired the real property and operations associated with the Empire City Casino's racetrack and casino ("Empire City"). Subsequently, MGP acquired the developed real property associated with Empire City from the Company and Empire City was added to the master lease between the Company and MGP. Refer to Note 4 and Note 18 for additional information.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In March 2019, the Company entered into an amendment to the master lease with respect to improvements made by the Company related to the rebranding of the Park MGM and NoMad Las Vegas. Refer to Note 18 for additional information on this transaction, which eliminates in consolidation. </span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In April 2019, the Company acquired the membership interests of Northfield Park Associates, LLC ("Northfield") from MGP and MGP retained the associated real estate assets. The Company then rebranded the property to MGM </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Northfield Park, and added it to the master lease between the Company and MGP. Refer to Note 18 for additional information. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On November 15, 2019, Bellagio BREIT Venture was formed, which acquired the Bellagio real estate assets from the Company and leased such assets back to the Company pursuant to a lease agreement. In exchange for the contribution of the real estate assets, the Company received total consideration of $4.25 billion, which consisted of a 5% equity interest in the venture and cash of approximately $4.2 billion. The Company recorded a gain of $2.7 billion related to sale of the Bellagio real estate assets, recorded in “Gain on REIT transactions, net” in the consolidated statements of operations, which primarily reflects the difference between the carrying value of the real estate assets sold and the consideration received. The Company also provides a shortfall guarantee of the principal amount of indebtedness of the debt of Bellagio BREIT Venture’s $3.01 billion of debt (and any interest accrued and unpaid thereon). Refer to Note 11 and Note 12 for additional information relating to the lease and guarantee, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In December 2019, the Company completed the sale of Circus Circus Las Vegas and adjacent land. See Note 16 for additional information related to this transaction.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On February 14, 2020, the Company completed a series of transactions (collectively the “MGP BREIT Venture Transaction”) pursuant to which the real estate assets of MGM Grand Las Vegas and Mandalay Bay (including Mandalay Place) were contributed to the newly formed MGP BREIT Venture. In exchange for the contribution of the real estate assets, the Company received total consideration of </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">$4.6 billion</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">, which was comprised of </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">$2.5 billion</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%"> of cash, $1.3 billion of the Operating Partnership’s secured indebtedness assumed by MGP BREIT Venture, and the Operating Partnership’s 50.1% equity interest in MGP BREIT Venture. In addition, the Operating Partnership issued approximately 3 million Operating Partnership units to the Company representing 5% of the equity value of MGP BREIT Venture. The Company recorded the difference between consideration received of </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">$2.5 billion</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%"> and the carrying value of the MGM Grand Las Vegas real estate assets of $733 million and selling costs of $27 million as a net gain on sale of assets of $1.7 billion, which is reflected within “Gain on REIT transactions, net” in the consolidated statements of operations. The Company also recorded the difference between consideration received of $2.1 billion and the carrying value of the Mandalay Bay real estate assets of $2.3 billion and selling costs of $10 million as a net loss on sale of assets of $252 million, which is reflected within “Gain on REIT transactions, net” in the consolidated statements of operations. In connection with the transactions, the Company provides a shortfall guarantee of the principal amount of indebtedness of MGP BREIT Venture (and any interest accrued and unpaid thereon) as further discussed in Note 12. On the closing date, BREIT also purchased approximately 5 million MGP Class A shares for $150 million</span><span style="color:#212529;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#212529;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In connection with the MGP BREIT Venture Transaction, MGP BREIT Venture entered into a lease with a subsidiary of the Company for the real estate assets of Mandalay Bay and MGM Grand Las Vegas as further discussed in Note 11. Additionally, the master lease with MGP was modified to remove the Mandalay Bay property and the annual cash rent under the MGP master lease was reduced by </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">$133 million</span><span style="color:#212529;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">, as further discussed in Note 18.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Also, on January 14, 2020, the Company, the Operating Partnership, and MGP entered into an agreement for the Operating Partnership to waive its right following the closing of the MGP BREIT Venture Transaction to issue MGP Class A shares, in lieu of cash, to the Company in connection with the Company exercising its right to require the Operating Partnership to redeem Operating Partnership units that the Company holds, at a price per unit equal to a 3% discount to the ten day average closing price prior to the date of the notice of redemption. The waiver was effective upon closing of the transaction on February 14, 2020 and was scheduled to terminate on the earlier of February 14, 2022 or upon the Company’s receipt of cash proceeds of $1.4 billion as consideration for the redemption of the Company’s Operating Partnership units. On May 18, 2020, the Operating Partnership redeemed approximately 30 million Operating Partnership units that the Company held for $700 million, or $23.10 per unit, and on December 2, 2020, the Operating Partnership redeemed approximately 24 million of the Operating Partnership units that the Company held for the remaining $700 million, or $29.78 per unit. As a result, the waiver terminated in accordance with its terms.</span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On March 4, 2021, certain subsidiaries of the Company delivered a notice of redemption to MGP covering approximately 37 million Operating Partnership units that they held, as further discussed in Note 13.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On August 4, 2021, the Company entered into an agreement with VICI Properties, Inc. (“VICI”) and MGP whereby VICI will acquire MGP in a stock-for-stock transaction (such transaction, the “VICI Transaction”). Pursuant to the agreement, MGP Class A shareholders will receive 1.366 shares of newly issued VICI stock in exchange for each MGP Class A share outstanding and the Company will receive 1.366 units of the new VICI operating partnership (“VICI OP”) in exchange for each Operating Partnership unit held by the Company. The fixed exchange ratio represents an agreed upon price of $43 per share of MGP Class A share to the five-day volume weighted average price of VICI stock as of the close of business on July 30, 2021. In connection with the exchange, VICI OP will redeem the majority of the Company’s VICI OP units for cash consideration of $4.4 billion, with the Company retaining an approximate $370 million ownership </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">interest in the VICI OP (based upon the close price of VICI stock as of August 3, 2021). MGP’s Class B share that is held by the Company will be cancelled. As part of the transaction, the Company will enter into an amended and restated master lease with VICI. The new master lease will have an initial term of 25 years, with three 10-year renewals, and initial annual rent of $860 million, escalating annually at a rate of 2% per annum for the first 10 years and thereafter equal to the greater of 2% and the CPI increase during the prior year subject to a cap of 3%. The transaction is expected to close in the first half of 2022, subject to customary closing conditions, regulatory approvals, and approval by VICI stockholders (which was obtained on October 29, 2021). </span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On September 26, 2021, the Company entered into an agreement to acquire the operations of The Cosmopolitan of Las Vegas ("The Cosmopolitan") for cash consideration of $1.625 billion, subject to customary working capital adjustments. </span><span style="color:#212529;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Pursuant to the agreement, the Company is obligated to use its reasonable best efforts to obtain the requisite antitrust and gaming regulatory approvals. The agreement may be terminated by either party if the transaction has not closed on or before June 26, 2022, which date may be extended by either party to a date on or prior to September 26, 2022 under certain circumstances. The agreement contemplates a reverse termination fee of $500 million that is payable by the Company in the event that the parties are unable to obtain antitrust or gaming regulatory approval. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Additionally, the Company will enter into a lease agreement for the real estate assets of The Cosmopolitan. The Cosmopolitan lease will have an initial term of 30 years with three subsequent 10-year renewal periods, exercisable at the Company’s option. The initial term of the lease provides for an initial annual cash rent of $200 million with a fixed 2% escalator for the first 15 years, and thereafter, an escalator equal to the greater of 2% and the CPI increase during the prior year, subject to a cap of 3%. Additionally, the lease will require the Company to spend a specified percentage of net revenues over a rolling 5-year period at the property on capital expenditures and for the Company to comply with certain financial covenants, which, if not met, would require the Company to maintain cash security or one or more letters of credit in favor of the landlord in an amount equal to rent for the succeeding 1-year period. The transaction is expected to close in the first half of 2022, subject to regulatory approvals and other customary closing conditions.</span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On September 27, 2021, the Company completed the acquisition of the 50% ownership interest in CityCenter Holdings, LLC ("CityCenter") held by Infinity World Development Corp ("Infinity World"), a wholly owned subsidiary of Dubai World, a Dubai, United Arab Emirates government decree entity. CityCenter is located between Bellagio and Park MGM and consists of Aria, an integrated casino, hotel and entertainment resort; and Vdara, a luxury condominium-hotel. Refer to Note 4 for additional information on this acquisition.</span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On September 28, 2021, the Company sold the real estate assets of Aria (including Vdara) to funds managed by The Blackstone Group Inc. ("Blackstone") for cash consideration of $3.89 billion and entered into a lease through which the real property is leased back to a subsidiary of the Company, as further discussed in Note 11.</span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On October 29, 2021, MGP acquired the real estate assets of MGM Springfield from the Company and MGM Springfield was added to the MGP master lease between the Company and MGP through which MGP leases back the real property to a subsidiary of the Company. Transactions with MGP, including transactions under the MGP master lease, have been eliminated in the Company’s consolidation of MGP. Refer to Note 18 for additional information.</span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On December 13, 2021, the Company entered into an agreement to sell the operations of The Mirage to an affiliate of Seminole Hard Rock Entertainment, Inc. ("Hard Rock") for cash consideration of $1.075 billion, subject to certain purchase price adjustments. Pursuant to the agreement, Hard Rock is obligated to use its reasonable best efforts to obtain the requisite antitrust and gaming regulatory approvals. The agreement may be terminated by either party if the closing has not occurred on or before December 13, 2022, which date may be extended by either party to March 13, 2023 under certain circumstances. The agreement contemplates a reverse termination fee of $322.5 million that is payable by Hard Rock to the Company in the event that the parties are unable to obtain antitrust or gaming regulatory approval. Upon closing, the master lease between the Company and VICI (or MGP in the event that the VICI Transaction is terminated) will be amended and restated to reflect a $90 million reduction in annual cash rent. The transaction is expected to close during the second half of 2022, subject to certain closing conditions, including, but not limited to, the consummation or termination of the VICI Transaction and receipt of regulatory approvals. </span></div><div style="text-align:justify;text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company has an approximate 56% </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">controlling interest in MGM China Holdings Limited (together with its subsidiaries, “MGM China”), which owns MGM Grand Paradise, S.A. (“MGM Grand Paradise”). MGM Grand Paradise owns and operates the MGM Macau and MGM Cotai, two integrated casino, hotel and entertainment resorts in Macau, as well as the related gaming subconcession and land concessions.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Gaming in Macau is currently administered by the Macau Government through concessions awarded to three different concessionaires and three subconcessionaires, of which a subsidiary of MGM China, MGM Grand Paradise, is a subconcessionaire. In 2019, the expiration of MGM Grand Paradise’s subconcession term was extended from March 31, 2020 to June 26, 2022, consistent with the expiration of the other concessionaires and subconcessionaires. Pursuant to the </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Macau gaming law, upon reaching the maximum duration of 20 years, the term of the concessions may be extended one or more times by order of the Chief Executive, which period may not exceed, in total, 5 years. On January 14, 2022, the Macau Government disclosed the content of a bill to amend Macau gaming law, which followed a 45-day public consultation process regarding draft amendment proposals that were issued in September 2021. Under the bill the existing subconcessions will be discontinued and a maximum of six concessions will be awarded for a term to be specified in the concession contract that may not exceed 10 years and which may be extended by three years under certain circumstances. The bill is subject to debate and approval by the Macau Legislative Assembly. The approval of the new gaming law bill will precede the public tender for the awarding of new gaming concessions and to date the Macau Government has provided no indication as to whether the public tender will take place before expiry of the existing gaming concessions and subconcessions but acknowledged that it could consider the extension of the existing concessions and subconcessions beyond their current term if the public tender is held at a later date. Unless MGM Grand Paradise's gaming subconcession is extended or legislation with regard to reversion of casino premises is amended the casino area premises and gaming-related equipment subject to reversion will automatically be transferred to the Macau Government upon expiration, and MGM China will cease to generate any revenues from such gaming operations. In addition, certain events relating to the loss, termination, rescission, revocation or modification of MGM Grand Paradise’s gaming subconcession in Macau, where such events have a material adverse effect on the financial condition, business, properties, or results of operations of MGM China, taken as a whole, may result in a special put option triggering event under MGM China’s senior notes and in an event of default under MGM China’s revolving credit facilities. MGM China continues to closely monitor developments regarding the retendering process or concession extensions including the issuance of guidance by the Macau Government. MGM China intends to respond proactively to all relevant Macau Government requirements when known relating to the process. Management cannot provide any assurance that the gaming subconcession will be extended beyond the current term or that it will be able to obtain a gaming concession in a public tender; however, management believes that MGM Grand Paradise will be successful in obtaining a gaming concession when a public tender is held.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company owns 50% of BetMGM, LLC (“BetMGM”), which provides online sports betting and iGaming in certain jurisdictions in the United States. The other 50% of BetMGM is owned by Entain plc.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company has three reportable segments: Las Vegas Strip Resorts, Regional Operations and MGM China. See Note 17 for additional information about the Company’s segments. </span></div><div style="text-indent:27.78pt"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Financial Impact of COVID-19. </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The spread of the novel 2019 coronavirus (“COVID-19”) and developments surrounding the global pandemic have had a significant impact on the Company’s business, financial condition, results of operations and cash flows in 2020 and 2021 and may continue to impact the Company's business in 2022 and thereafter. In March 2020, all of the Company’s domestic properties were temporarily closed pursuant to state and local government restrictions imposed as a result of COVID-19. Throughout the second and third quarters of 2020, all of the Company’s properties that were temporarily closed re-opened to the public, with temporary re-closures and re-openings occurring for certain of the Company’s properties or portions thereof into the first quarter of 2021. Upon re-opening, the properties continued to operate without certain amenities and subject to certain occupancy limitations, with restrictions varying by jurisdiction. Beginning in the latter part of the first quarter of 2021 and continuing into the second quarter of 2021, the Company’s domestic jurisdictions eased and removed prior operating restrictions, including capacity and occupancy limits, as well as social distancing policies. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Although all of the Company’s properties have re-opened, in light of the unpredictable nature of the pandemic, including the emergence and spread of COVID-19 variants, the properties may be subject to new operating restrictions and/or temporary, complete, or partial shutdowns in the future. At this time, the Company cannot predict whether jurisdictions, states or the federal government will adopt similar or more restrictive measures in the future than in the past, including stay-at-home orders or the temporary closure of all or a portion of the Company’s properties as a result of the pandemic.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:27.78pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">In Macau, following a temporary closure of the Company’s properties on February 5, 2020, operations resumed on February 20, 2020, subject to certain health safeguards, such as limiting the number of seats available at each table game, slot machine spacing, reduced operating hours at a number of restaurants and bars, temperature checks, and mask protection. Although the issuance of tourist visas (including the individual visit scheme) for residents of Zhuhai, Guangdong Province and all other provinces in mainland China to travel to Macau resumed on August 12, 2020, August 26, 2020 and September 23, 2020, respectively, several travel and entry restrictions in Macau, Hong Kong and mainland China remain in place (including the temporary suspension of ferry services between Hong Kong and Macau, the negative nucleic acid test result certificate, and mandatory quarantine requirements for returning residents, for visitors from Hong Kong, Taiwan, and certain regions in mainland China, and bans on entry on other visitors), which significantly impacted visitation to the Company’s Macau properties. In the third and fourth quarters of 2021, local COVID-19 cases were identified in Macau. Upon such occurrences, a state of immediate prevention was declared and mass mandatory nucleic acid testing was imposed in Macau, the validity period of negative test results for re-entry into mainland China was shortened and quarantine requirements were imposed, certain events were cancelled or suspended, and in some instances, </span></div>certain entertainment and leisure facilities were closed throughout Macau. Although gaming and hotel operations have remained open during these states of immediate prevention, such measures have had a negative effect on the Company's operations and it is uncertain whether further closures, including the closure of the Company’s properties, or travel restrictions to Macau will be implemented if additional local COVID-19 cases are identified.
CY2020Q2	us-gaap	Partners Capital Account Units Redeemed PartnersCapitalAccountUnitsRedeemed	30000000	shares
CY2020Q2	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	700000000	USD
CY2020Q2	mgm	Partners Capital Account Redemptions Per Unit PartnersCapitalAccountRedemptionsPerUnit	23.10
CY2020Q4	us-gaap	Partners Capital Account Units Redeemed PartnersCapitalAccountUnitsRedeemed	24000000	shares
CY2020Q4	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	700000000	USD
CY2020Q4	mgm	Partners Capital Account Redemptions Per Unit PartnersCapitalAccountRedemptionsPerUnit	29.78
CY2021	mgm	Number Of Integrated Casino NumberOfIntegratedCasino	2	property
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021	mgm	Percentage Of Ownership Interest PercentageOfOwnershipInterest	1
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	66000000	USD
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Reclassifications</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">. Certain reclassifications have been made to conform the prior period presentation.</span>
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Management’s use of estimates.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%"> The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America. These principles require the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</span>
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Accounts receivable and credit risk.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%"> Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of casino accounts receivable. The Company issues credit following background checks and investigations of creditworthiness. At December 31, 2021 and 2020, approximately 43% and 52%, respectively, of the Company’s gross casino accounts receivable were owed by customers from foreign countries, primarily within Asia. Business or economic conditions or other significant events in these countries could affect the collectability of such receivables.</span>Accounts receivable are typically non-interest bearing and are initially recorded at cost. Accounts are written off when management deems the account to be uncollectible. Recoveries of accounts previously written off are recorded when received. An estimated loss reserve is maintained to reduce the Company’s receivables to their net carrying amount, which approximates fair value. The loss reserve is estimated based on both a specific review of customer accounts as well as historical collection experience and current and expected future economic and business conditions. Management believes that as of December 31, 2021, no significant concentrations of credit risk existed for which a loss reserve had not already been recorded.
CY2019	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021	us-gaap	Advertising Expense AdvertisingExpense	121000000	USD
CY2020	us-gaap	Advertising Expense AdvertisingExpense	88000000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	195000000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1254370000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1032724000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2049146000	USD
CY2021	mgm	Adjustment Related To Redeemable Noncontrolling Interests AdjustmentRelatedToRedeemableNoncontrollingInterests	-78298000	USD
CY2020	mgm	Adjustment Related To Redeemable Noncontrolling Interests AdjustmentRelatedToRedeemableNoncontrollingInterests	35520000	USD
CY2019	mgm	Adjustment Related To Redeemable Noncontrolling Interests AdjustmentRelatedToRedeemableNoncontrollingInterests	-2713000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1176072000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-997204000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2046433000	USD
CY2021	mgm	Net Income Loss Available To Shareholders Dilutive Securities To Others NetIncomeLossAvailableToShareholdersDilutiveSecuritiesToOthers	0	USD
CY2020	mgm	Net Income Loss Available To Shareholders Dilutive Securities To Others NetIncomeLossAvailableToShareholdersDilutiveSecuritiesToOthers	0	USD
CY2019	mgm	Net Income Loss Available To Shareholders Dilutive Securities To Others NetIncomeLossAvailableToShareholdersDilutiveSecuritiesToOthers	-194000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1176072000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-997204000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2046239000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	481930000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	494152000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	524173000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	5426000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3472000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	487356000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	494152000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	527645000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	198000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9493000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1617000	shares
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1447043000	USD
CY2021Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	712263000	USD
CY2020Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	443091000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	128348000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	126589000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	583915000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	316502000	USD
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	10153603000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	5456763000	USD
CY2021	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	137773000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-1041271000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22462894000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	21905987000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8179310000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7474876000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	151909000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	200980000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14435493000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14632091000	USD
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	967044000	USD
CY2021	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	84823000	USD
CY2020	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	42938000	USD
CY2019	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	119521000	USD
CY2021	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	83243000	USD
CY2020	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	103304000	USD
CY2019	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	62296000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1580000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-60366000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	57225000	USD
CY2021	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	84823000	USD
CY2020	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	42938000	USD
CY2019	mgm	Income Loss From Unconsolidated Affiliates IncomeLossFromUnconsolidatedAffiliates	119521000	USD
CY2021Q4	us-gaap	Equity Method Investment Underlying Equity In Net Assets EquityMethodInvestmentUnderlyingEquityInNetAssets	961787000	USD
CY2020Q4	us-gaap	Equity Method Investment Underlying Equity In Net Assets EquityMethodInvestmentUnderlyingEquityInNetAssets	2981550000	USD
CY2021Q4	mgm	Equity Method Investment Difference Between Carrying Amount And Underlying Equity Other Adjustments EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquityOtherAdjustments	5257000	USD
CY2020Q4	mgm	Equity Method Investment Difference Between Carrying Amount And Underlying Equity Other Adjustments EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquityOtherAdjustments	49698000	USD
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	967044000	USD
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1447043000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	3480997000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	2091278000	USD
CY2021Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	857336000	USD
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	677336000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2759049000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2966412000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3616385000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3643748000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	2091278000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1397338000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-7619000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	3480997000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2084564000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	6714000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	2091278000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	197000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	194000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	192000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	190257000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	177982000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	175995000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	174210000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	172424000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1868181000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2759049000	USD
CY2021Q4	mgm	Outstanding Chip Liabilities Current OutstandingChipLiabilitiesCurrent	176219000	USD
CY2020Q4	mgm	Outstanding Chip Liabilities Current OutstandingChipLiabilitiesCurrent	212671000	USD
CY2021Q4	mgm	Loyalty Program Obligations Current LoyaltyProgramObligationsCurrent	144465000	USD
CY2020Q4	mgm	Loyalty Program Obligations Current LoyaltyProgramObligationsCurrent	139756000	USD
CY2021Q4	mgm	Casino Front Money Current CasinoFrontMoneyCurrent	206244000	USD
CY2020Q4	mgm	Casino Front Money Current CasinoFrontMoneyCurrent	133114000	USD
CY2021Q4	mgm	Advance Deposits And Ticket Sales AdvanceDepositsAndTicketSales	283188000	USD
CY2020Q4	mgm	Advance Deposits And Ticket Sales AdvanceDepositsAndTicketSales	123079000	USD
CY2021Q4	mgm	Unpaid Wagers And Other Current UnpaidWagersAndOtherCurrent	150569000	USD
CY2020Q4	mgm	Unpaid Wagers And Other Current UnpaidWagersAndOtherCurrent	126094000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	429797000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	327644000	USD
CY2021Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	195973000	USD
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	109100000	USD
CY2021Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	14071000	USD
CY2020Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	32155000	USD
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	82294000	USD
CY2020Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	64086000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31706000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31843000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	87665000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	80193000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	181253000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	165344000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1983444000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1545079000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	12860966000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	12480586000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	90169000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	103902000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	12770797000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	12376684000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1000000000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	11770797000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	12376684000	USD
CY2021	us-gaap	Interest Costs Incurred InterestCostsIncurred	800156000	USD
CY2020	us-gaap	Interest Costs Incurred InterestCostsIncurred	679251000	USD
CY2019	us-gaap	Interest Costs Incurred InterestCostsIncurred	853007000	USD
CY2021	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	563000	USD
CY2020	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	2871000	USD
CY2019	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	5075000	USD
CY2021	us-gaap	Interest Expense InterestExpense	799593000	USD
CY2020	us-gaap	Interest Expense InterestExpense	676380000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Current Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsCurrentLiability	5000000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Long Term Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsLongTermLiability	20000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	847932000	USD
CY2021Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	700000000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Long Term Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsLongTermLiability	19000000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsLiability	25000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsLiability	78000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Current Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsCurrentLiability	31000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsLiability	41000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Current Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsCurrentLiability	1000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Designated As Cash Flow Hedges Recorded As Long Term Liability FairValueOfInterestRateSwapsDesignatedAsCashFlowHedgesRecordedAsLongTermLiability	40000000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsLiability	27000000	USD
CY2021Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Current Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsCurrentLiability	8000000	USD
CY2020Q4	mgm	Fair Value Of Interest Rate Swaps Not Designated As Cash Flow Hedges Recorded As Long Term Liability FairValueOfInterestRateSwapsNotDesignatedAsCashFlowHedgesRecordedAsLongTermLiability	47000000	USD
CY2021Q4	mgm	Line Of Credit Facility Increased Amount Of Borrowing Capacity LineOfCreditFacilityIncreasedAmountOfBorrowingCapacity	500000000	USD
CY2019Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-171000000	USD
CY2019Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-16000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1000000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1300000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2160414000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2725000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1650000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	4025552000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	12860966000	USD
CY2021Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	13400000000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	13200000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2094324000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-665376000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2717756000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-632520000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-846103000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	128969000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1461804000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1511479000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2846725000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8984000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-207544000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4928000	USD
CY2021	mgm	Deferred Federal Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	189657000	USD
CY2020	mgm	Deferred Federal Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	-19852000	USD
CY2019	mgm	Deferred Federal Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	537993000	USD
CY2021	mgm	Deferred Federal Income Tax Expense Benefit Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitValuationAllowance	14967000	USD
CY2020	mgm	Deferred Federal Income Tax Expense Benefit Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitValuationAllowance	42109000	USD
CY2019	mgm	Deferred Federal Income Tax Expense Benefit Valuation Allowance DeferredFederalIncomeTaxExpenseBenefitValuationAllowance	20175000	USD
CY2021	mgm	Other Noncurrent Federal Tax Expense Benefit OtherNoncurrentFederalTaxExpenseBenefit	14262000	USD
CY2020	mgm	Other Noncurrent Federal Tax Expense Benefit OtherNoncurrentFederalTaxExpenseBenefit	-4922000	USD
CY2019	mgm	Other Noncurrent Federal Tax Expense Benefit OtherNoncurrentFederalTaxExpenseBenefit	5745000	USD
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	227870000	USD
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-190209000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	568841000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-5000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	816000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	22685000	USD
CY2021	mgm	Deferred State And Local Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	28068000	USD
CY2020	mgm	Deferred State And Local Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	33087000	USD
CY2019	mgm	Deferred State And Local Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	32793000	USD
CY2021	mgm	Deferred State And Local Tax Expense Benefit Operating Loss Carryforward DeferredStateAndLocalTaxExpenseBenefitOperatingLossCarryforward	27936000	USD
CY2020	mgm	Deferred State And Local Tax Expense Benefit Operating Loss Carryforward DeferredStateAndLocalTaxExpenseBenefitOperatingLossCarryforward	-47728000	USD
CY2019	mgm	Deferred State And Local Tax Expense Benefit Operating Loss Carryforward DeferredStateAndLocalTaxExpenseBenefitOperatingLossCarryforward	5241000	USD
CY2021	mgm	Deferred State And Local Tax Expense Benefit Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitValuationAllowance	601000	USD
CY2020	mgm	Deferred State And Local Tax Expense Benefit Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitValuationAllowance	3375000	USD
CY2019	mgm	Deferred State And Local Tax Expense Benefit Valuation Allowance DeferredStateAndLocalTaxExpenseBenefitValuationAllowance	191000	USD
CY2021	mgm	Other Noncurrent State And Local Tax Expense Benefit OtherNoncurrentStateAndLocalTaxExpenseBenefit	-13260000	USD
CY2020	mgm	Other Noncurrent State And Local Tax Expense Benefit OtherNoncurrentStateAndLocalTaxExpenseBenefit	946000	USD
CY2019	mgm	Other Noncurrent State And Local Tax Expense Benefit OtherNoncurrentStateAndLocalTaxExpenseBenefit	1401000	USD
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	43340000	USD
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-9504000	USD
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	62311000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3717000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	828000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2454000	USD
CY2021	mgm	Deferred Foreign Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	-8943000	USD
CY2020	mgm	Deferred Foreign Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	-4206000	USD
CY2019	mgm	Deferred Foreign Income Tax Expense Benefit Excluding Operating Loss Carryforward And Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitExcludingOperatingLossCarryforwardAndValuationAllowance	-44374000	USD
CY2021	mgm	Deferred Foreign Income Tax Expense Benefit Operating Loss Carryforward DeferredForeignIncomeTaxExpenseBenefitOperatingLossCarryforward	-5793000	USD
CY2020	mgm	Deferred Foreign Income Tax Expense Benefit Operating Loss Carryforward DeferredForeignIncomeTaxExpenseBenefitOperatingLossCarryforward	-39920000	USD
CY2019	mgm	Deferred Foreign Income Tax Expense Benefit Operating Loss Carryforward DeferredForeignIncomeTaxExpenseBenefitOperatingLossCarryforward	-32915000	USD
CY2021	mgm	Deferred Foreign Income Tax Expense Benefit Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitValuationAllowance	-6776000	USD
CY2020	mgm	Deferred Foreign Income Tax Expense Benefit Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitValuationAllowance	51439000	USD
CY2019	mgm	Deferred Foreign Income Tax Expense Benefit Valuation Allowance DeferredForeignIncomeTaxExpenseBenefitValuationAllowance	76028000	USD
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-17795000	USD
CY2020	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	8141000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	1193000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253415000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-191572000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	632345000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	mgm	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackRateDifferential	0
CY2019	mgm	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackRateDifferential	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.032
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.016
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.173
CY2020	mgm	Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Rate Differential EffectiveIncomeTaxRateReconciliationNetOperatingLossCarrybackRateDifferential	0.055
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.008
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.082
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.125
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.005
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.028
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.007
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.023
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.005
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.017
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.019
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.127
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.222
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3195280000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2634060000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5634644000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4787076000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2439364000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2153016000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	332000000	USD
CY2021	mgm	Foreign Tax Credit Carry Forward Period ForeignTaxCreditCarryForwardPeriod	P10Y
CY2021	mgm	Domestic Losses Recaptured In Foreign Tax Credit Carry Forward DomesticLossesRecapturedInForeignTaxCreditCarryForward	1300000000	USD
CY2021	mgm	Increase Decrease In Net Income Due To Exemption From Complementary Tax IncreaseDecreaseInNetIncomeDueToExemptionFromComplementaryTax	-10000000	USD
CY2020	mgm	Increase Decrease In Net Income Due To Exemption From Complementary Tax IncreaseDecreaseInNetIncomeDueToExemptionFromComplementaryTax	4000000	USD
CY2021	mgm	Increase Decrease In Diluted Earnings Per Share Due To Exemption From Complementary Tax IncreaseDecreaseInDilutedEarningsPerShareDueToExemptionFromComplementaryTax	0.02
CY2020	mgm	Increase Decrease In Diluted Earnings Per Share Due To Exemption From Complementary Tax IncreaseDecreaseInDilutedEarningsPerShareDueToExemptionFromComplementaryTax	0.01
	mgm	Payments Under Extended Annual Fee Arrangement PaymentsUnderExtendedAnnualFeeArrangement	1000000	USD
CY2021	mgm	Payments Under Extended Annual Fee Arrangement PaymentsUnderExtendedAnnualFeeArrangement	2000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	35617000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	33298000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24464000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	12949000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3717000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	8960000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	13388000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1398000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1006000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	654000	USD
CY2019	mgm	Finance Lease Interest Expense Credit FinanceLeaseInterestExpenseCredit	1164000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	880000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	16264000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19568000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	35617000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	33298000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	11000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	9000000	USD
CY2021Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	13000000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	870779000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	751002000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	143954000	USD
CY2021	mgm	Finance Lease Interest Expense Credit FinanceLeaseInterestExpenseCredit	2354000	USD
CY2020	mgm	Finance Lease Interest Expense Credit FinanceLeaseInterestExpenseCredit	-21320000	USD
CY2020	mgm	Finance Lease Cost FinanceLeaseCost	49156000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31843000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	73475000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	70476000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	13341000	USD
CY2021	mgm	Finance Lease Cost FinanceLeaseCost	75829000	USD
CY2019	mgm	Finance Lease Cost FinanceLeaseCost	14505000	USD
CY2021	mgm	Supplemental Balance Sheet Information Related To Company S Leases Table Textblock SupplementalBalanceSheetInformationRelatedToCompanySLeasesTableTextblock	<div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:71.778%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.081%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.557%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.084%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%"> </span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%">December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:4pt;font-weight:400;line-height:114%"> </span></td><td colspan="3" style="border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%">2021</span></td><td colspan="3" style="border-top:0.75pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.75pt solid #000000;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%">2020</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%">Supplemental balance sheet information</span></td><td colspan="9" style="background-color:#CFF0FC;border-top:0.75pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:114%">(In thousands)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Operating leases</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%"> </span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:114%"> </span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Operating lease right-of-use assets, net</span><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:7.8pt;font-weight:400;line-height:115%;position:relative;top:-4.2pt;vertical-align:baseline">(1)</span></div></td><td style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="background-color:#CFF0FC;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">11,492,805</span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="background-color:#CFF0FC;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">8,286,694</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzUtMC0xLTEtNzE5NzU_741862dc-8827-4a2e-ada1-cef22f1abf90"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzUtMC0xLTEtNzE5NzU_a57f7c98-3fa8-4fda-a35f-a60f4b278dd1"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Operating lease liabilities - current, </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%">classified within "Other accrued liabilities"</span></span></span></div></td><td style="border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:3pt double #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">31,706</span></td><td colspan="3" style="padding:0 1pt"/><td style="border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:3pt double #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">31,843</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Operating lease liabilities - long-term</span><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:7.8pt;font-weight:400;line-height:115%;position:relative;top:-4.2pt;vertical-align:baseline">(2)</span></div></td><td colspan="3" style="background-color:#CFF0FC;padding:2px 7pt 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">11,802,464</span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:2px 7pt 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">8,390,117</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 12.07pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Total operating lease liabilities</span></td><td style="border-top:0.75pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:0.75pt solid #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">11,834,170</span></td><td colspan="3" style="padding:0 1pt"/><td style="border-top:0.75pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:0.75pt solid #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">8,421,960</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt 2px 12.07pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%"> </span></td><td colspan="3" style="background-color:#CFF0FC;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Finance leases</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzEwLTAtMS0xLTcxOTc3_602d2aa0-aedd-4faf-a870-4874be0f20bd"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzEwLTAtMS0xLTcxOTc3_9eb782f5-a1f8-4109-a219-162a30f5f6c6"><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Finance lease right-of-use assets, net, </span><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%">classified within "Property and equipment, net"</span></span></span></div></td><td style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="background-color:#CFF0FC;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">151,909</span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="background-color:#CFF0FC;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">200,980</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzExLTAtMS0xLTcxOTg5_668451cb-6cb7-4209-88db-843346c9e30b"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzExLTAtMS0xLTcxOTg5_7449ec5b-0adf-4e7e-9ecf-716512f83e92"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Finance lease liabilities - current, </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%">classified within "Other accrued liabilities"</span></span></span></div></td><td style="border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:3pt double #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">87,665</span></td><td colspan="3" style="padding:0 1pt"/><td style="border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:3pt double #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">80,193</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:0.75pt;padding-left:4.22pt"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzEyLTAtMS0xLTcxOTkx_64f8a8f8-1900-45c9-9d31-412648256075"><span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjUxNjU5NzdkN2Y1MjQ2ZTRiMjliYTk2ZGNmNzRhNTc2L3NlYzo1MTY1OTc3ZDdmNTI0NmU0YjI5YmE5NmRjZjc0YTU3Nl8xMTIvZnJhZzpmZjNmNmExZjRlNTU0Y2NkYjM5YzZmYzZmYTUwOWJlZC90YWJsZTpkMjhiNjg2YmZkOGU0NWMwOWJmYTUyODkwZDhmMmQ1OS90YWJsZXJhbmdlOmQyOGI2ODZiZmQ4ZTQ1YzA5YmZhNTI4OTBkOGYyZDU5XzEyLTAtMS0xLTcxOTkx_c0445db6-8f85-45f0-971b-f64604eb3037"><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Finance lease liabilities - long-term,</span><span style="background-color:#cff0fc;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%"> classified within "Other long-term obligations"</span></span></span></div></td><td colspan="3" style="background-color:#CFF0FC;padding:2px 7pt 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">75,560</span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:2px 7pt 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">134,287</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 12.07pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Total finance lease liabilities</span></td><td style="border-top:0.75pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:0.75pt solid #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">163,225</span></td><td colspan="3" style="padding:0 1pt"/><td style="border-top:0.75pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">$</span></td><td colspan="2" style="border-top:0.75pt solid #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">214,480</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt 2px 12.07pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%"> </span></td><td colspan="3" style="background-color:#CFF0FC;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Weighted average remaining lease term (years)</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt 2px 5.22pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Operating leases</span></td><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">29</span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">30</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 5.22pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Finance leases</span></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">2</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">3</span></td></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt 2px 5.22pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%"> </span></td><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Weighted average discount rate (%)</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#CFF0FC;padding:2px 1pt 2px 5.22pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Operating leases</span></td><td colspan="2" style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">7 </span></td><td style="background-color:#CFF0FC;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#CFF0FC;padding:0 1pt"/><td colspan="2" style="background-color:#CFF0FC;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">8 </span></td><td style="background-color:#CFF0FC;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 5.22pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">Finance leases</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">3 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:114%">3 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:115%">(1)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:115%;padding-left:8.68pt">As of December 31, 2021 and 2020, operating lease right-of-use assets, net included $3.6 billion and $3.7 billion related to the Bellagio lease, respectively and $4.0 billion related to the Mandalay Bay and MGM Grand Las Vegas lease for each of the respective periods.</span></div>(2)As of December 31, 2021 and 2020, operating lease liabilities – long-term included $3.8 billion related to the Bellagio lease for each of the respective periods, and $4.2 billion and $4.1 billion related to the Mandalay Bay and MGM Grand Las Vegas lease, respectively.
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	11492805000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8286694000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31706000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11802464000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8390117000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11834170000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8421960000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	151909000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	200980000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	87665000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	80193000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	75560000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	134287000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	163225000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	214480000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P29Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P30Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.07
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.08
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.03
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.03
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	669681000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	572186000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	117072000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	4761000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2956000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1164000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	73257000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	34494000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	10311000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3388120000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4120955000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3814115000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	24433000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	177085000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	84934000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	26660145000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	838062000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	90633000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	850305000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	73568000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	862796000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1747000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	876046000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1253000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	885863000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	24000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	30973217000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	167225000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	19139047000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	4000000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11834170000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	163225000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31706000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	87665000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11802464000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	75560000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	87000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	5599000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-4877000	USD
CY2020	mgm	Changes In Accumulated Other Comprehensive Income Loss Redemption Of Operating Partnership Units ChangesInAccumulatedOtherComprehensiveIncomeLossRedemptionOfOperatingPartnershipUnits	8773000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-635000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1512000	USD
CY2019	mgm	Other Comprehensive Income Loss Other Transactions OtherComprehensiveIncomeLossOtherTransactions	-481000	USD
CY2019	mgm	Change In Accumulated Other Comprehensive Income Loss ChangeInAccumulatedOtherComprehensiveIncomeLoss	1567000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	3213000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-66978000	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-17922000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	2547000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-51603000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	646000	USD
CY2020	mgm	Net Equity Impact Due To Transaction Between Entities Under Common Control NetEquityImpactDueToTransactionBetweenEntitiesUnderCommonControl	59000	USD
CY2020	mgm	Other Comprehensive Income Loss Other Transactions OtherComprehensiveIncomeLossOtherTransactions	1018000	USD
CY2020	mgm	Change In Accumulated Other Comprehensive Income Loss ChangeInAccumulatedOtherComprehensiveIncomeLoss	-43261000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-22786000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-12067000	USD
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-22200000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10133000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	3240000	USD
CY2021	mgm	Changes In Accumulated Other Comprehensive Income Loss Redemption Of Operating Partnership Units ChangesInAccumulatedOtherComprehensiveIncomeLossRedemptionOfOperatingPartnershipUnits	5327000	USD
CY2021	mgm	Other Comprehensive Income Loss Other Transactions OtherComprehensiveIncomeLossOtherTransactions	2358000	USD
CY2021	mgm	Change In Accumulated Other Comprehensive Income Loss ChangeInAccumulatedOtherComprehensiveIncomeLoss	16342000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	10281000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1254370000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1032724000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2049146000	USD
CY2021	mgm	Net Transfers From Noncontrolling Interest NetTransfersFromNoncontrollingInterest	176659000	USD
CY2020	mgm	Net Transfers From Noncontrolling Interest NetTransfersFromNoncontrollingInterest	92632000	USD
CY2019	mgm	Net Transfers From Noncontrolling Interest NetTransfersFromNoncontrollingInterest	0	USD
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	-5062000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	-1759000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	-935000	USD
CY2021	mgm	Net Transfers To Noncontrolling Interest NetTransfersToNoncontrollingInterest	-274771000	USD
CY2020	mgm	Net Transfers To Noncontrolling Interest NetTransfersToNoncontrollingInterest	-149145000	USD
CY2019	mgm	Net Transfers To Noncontrolling Interest NetTransfersToNoncontrollingInterest	-152034000	USD
CY2021	mgm	Change From Net Income Attributable To And Transfers To Noncontrolling Interest ChangeFromNetIncomeAttributableToAndTransfersToNoncontrollingInterest	1529141000	USD
CY2020	mgm	Change From Net Income Attributable To And Transfers To Noncontrolling Interest ChangeFromNetIncomeAttributableToAndTransfersToNoncontrollingInterest	-883579000	USD
CY2019	mgm	Change From Net Income Attributable To And Transfers To Noncontrolling Interest ChangeFromNetIncomeAttributableToAndTransfersToNoncontrollingInterest	2201180000	USD
CY2021	mgm	Allocated Share Based Compensation Gross AllocatedShareBasedCompensationGross	65183000	USD
CY2020	mgm	Allocated Share Based Compensation Gross AllocatedShareBasedCompensationGross	106956000	USD
CY2019	mgm	Allocated Share Based Compensation Gross AllocatedShareBasedCompensationGross	88838000	USD
CY2021	mgm	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Reimbursed And Capitalized ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostReimbursedAndCapitalized	1198000	USD
CY2020	mgm	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Reimbursed And Capitalized ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostReimbursedAndCapitalized	2118000	USD
CY2019	mgm	Allocated Share Based Compensation Net AllocatedShareBasedCompensationNet	85351000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12982000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	20605000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	92139000	USD
CY2019	mgm	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Reimbursed And Capitalized ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostReimbursedAndCapitalized	3487000	USD
CY2021	mgm	Allocated Share Based Compensation Net AllocatedShareBasedCompensationNet	63985000	USD
CY2020	mgm	Allocated Share Based Compensation Net AllocatedShareBasedCompensationNet	104838000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	16752000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	51003000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	84233000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	68599000	USD
CY2021	mgm	Multiemployer Plan Number Of Collective Bargaining Agreements MultiemployerPlanNumberOfCollectiveBargainingAgreements	11	agreement
CY2021	mgm	Multiemployer Plans Number Of Significant Collective Bargaining Agreements MultiemployerPlansNumberOfSignificantCollectiveBargainingAgreements	4	agreement
CY2020	mgm	Preopening And Start Up Income Expense PreopeningAndStartUpIncomeExpense	-84000	USD
CY2019	mgm	Preopening And Start Up Income Expense PreopeningAndStartUpIncomeExpense	-7175000	USD
CY2021	mgm	Property Transactions Net PropertyTransactionsNet	-67736000	USD
CY2021	mgm	Other Property Transactions Net OtherPropertyTransactionsNet	-67736000	USD
CY2020	mgm	Other Property Transactions Net OtherPropertyTransactionsNet	93567000	USD
CY2019	mgm	Other Property Transactions Net OtherPropertyTransactionsNet	55508000	USD
CY2021	mgm	Property Transactions Net PropertyTransactionsNet	-67736000	USD
CY2020	mgm	Property Transactions Net PropertyTransactionsNet	93567000	USD
CY2019	mgm	Property Transactions Net PropertyTransactionsNet	275802000	USD
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	29000000	USD
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	64000000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9680140000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5162082000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12899672000	USD
CY2021	mgm	Preopening And Start Up Income Expense PreopeningAndStartUpIncomeExpense	-5094000	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
CY2019	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain	0	USD
CY2021	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2020	mgm	Property Transactions Net PropertyTransactionsNet	93567000	USD
CY2019	mgm	Property Transactions Net PropertyTransactionsNet	275802000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1150610000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1210556000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1304649000	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	1491945000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	2677996000	USD
CY2021	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain	1562329000	USD
CY2020	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain	0	USD
CY2020	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	49000000	USD
CY2019	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	0	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	26025000	USD
CY2021	mgm	Triple Net Operating Lease And Ground Lease Rent Expense TripleNetOperatingLeaseAndGroundLeaseRentExpense	833158000	USD
CY2020	mgm	Triple Net Operating Lease And Ground Lease Rent Expense TripleNetOperatingLeaseAndGroundLeaseRentExpense	710683000	USD
CY2019	mgm	Triple Net Operating Lease And Ground Lease Rent Expense TripleNetOperatingLeaseAndGroundLeaseRentExpense	74656000	USD
CY2021	mgm	Gain Related To Sale Of Harmon Land Unconsolidated Affiliate GainRelatedToSaleOfHarmonLandUnconsolidatedAffiliate	49755000	USD
CY2020	mgm	Gain Related To Sale Of Harmon Land Unconsolidated Affiliate GainRelatedToSaleOfHarmonLandUnconsolidatedAffiliate	0	USD
CY2019	mgm	Gain Related To Sale Of Harmon Land Unconsolidated Affiliate GainRelatedToSaleOfHarmonLandUnconsolidatedAffiliate	0	USD
CY2021	mgm	Income Loss From Unconsolidated Affiliates Related To Real Estate Ventures IncomeLossFromUnconsolidatedAffiliatesRelatedToRealEstateVentures	166658000	USD
CY2020	mgm	Income Loss From Unconsolidated Affiliates Related To Real Estate Ventures IncomeLossFromUnconsolidatedAffiliatesRelatedToRealEstateVentures	148434000	USD
CY2019	mgm	Income Loss From Unconsolidated Affiliates Related To Real Estate Ventures IncomeLossFromUnconsolidatedAffiliatesRelatedToRealEstateVentures	544000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	2278699000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-642434000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	3940215000	USD
CY2021	us-gaap	Interest Expense InterestExpense	799593000	USD
CY2020	us-gaap	Interest Expense InterestExpense	676380000	USD
CY2019	us-gaap	Interest Expense InterestExpense	847932000	USD
CY2021	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	83243000	USD
CY2020	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	103304000	USD
CY2019	mgm	Non Operating Items From Unconsolidated Affiliates NonOperatingItemsFromUnconsolidatedAffiliates	62296000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	65941000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-89361000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-183262000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-816895000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-869045000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1093490000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1461804000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1511479000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2846725000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	253415000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-191572000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	632345000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	1208389000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1319907000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2214380000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-45981000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-287183000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	165234000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1254370000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1032724000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	2049146000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	490697000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	270579000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	739006000	USD
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	33025680000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	28653811000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	28589504000	USD
CY2021	mgm	Lessee Leasing Arrangements Master Lease Term Of Contract LesseeLeasingArrangementsMasterLeaseTermOfContract	P10Y
CY2021	mgm	Lessee Leasing Number Of Extensions Of Master Lease LesseeLeasingNumberOfExtensionsOfMasterLease	4	term
CY2021	mgm	Lessee Leasing Arrangements Master Lease Term Of Extension LesseeLeasingArrangementsMasterLeaseTermOfExtension	P5Y
CY2021	mgm	Lessee Leasing Arrangements Master Lease Term Of Contract LesseeLeasingArrangementsMasterLeaseTermOfContract	P10Y
CY2021	mgm	Lessee Leasing Arrangements Master Lease Term Of Contract LesseeLeasingArrangementsMasterLeaseTermOfContract	P10Y
CY2021	mgm	Lessee Leasing Arrangements Master Leases Additional Renewal Term LesseeLeasingArrangementsMasterLeasesAdditionalRenewalTerm	P5Y
CY2021	mgm	Lessee Leasing Arrangements Master Leases Additional Renewal Term LesseeLeasingArrangementsMasterLeasesAdditionalRenewalTerm	P5Y
CY2021	mgm	Lessee Leasing Arrangements Master Leases Additional Renewal Term LesseeLeasingArrangementsMasterLeasesAdditionalRenewalTerm	P5Y
CY2020Q2	mgm	Increase In Annual Rent Payment IncreaseInAnnualRentPayment	828000000	USD
CY2020Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	813000000	USD
CY2020Q2	mgm	Percentage Of Fixed Annual Rent PercentageOfFixedAnnualRent	0.02
CY2021Q4	us-gaap	Operating Lease Expense OperatingLeaseExpense	843000000	USD
CY2021Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	828000000	USD
CY2021Q4	us-gaap	Operating Lease Expense OperatingLeaseExpense	843000000	USD
CY2021Q4	us-gaap	Operating Lease Expense OperatingLeaseExpense	873000000	USD

Files In Submission

Name	View Source	Status
0000789570-22-000005-index-headers.html	Edgar Link	pending
0000789570-22-000005-index.html	Edgar Link	pending
0000789570-22-000005.txt	Edgar Link	pending
0000789570-22-000005-xbrl.zip	Edgar Link	pending
exhibit10512.htm	Edgar Link	pending
exhibit10544.htm	Edgar Link	pending
exhibit10545.htm	Edgar Link	pending
exhibit21-q42021.htm	Edgar Link	pending
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exhibit991-q42021.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mgm-20211231.htm	Edgar Link	pending
mgm-20211231.xsd	Edgar Link	pending
mgm-20211231_cal.xml	Edgar Link	unprocessable
mgm-20211231_def.xml	Edgar Link	unprocessable
mgm-20211231_g1.jpg	Edgar Link	pending
mgm-20211231_htm.xml	Edgar Link	completed
mgm-20211231_lab.xml	Edgar Link	unprocessable
mgm-20211231_pre.xml	Edgar Link	unprocessable
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$MGM
MGM Resorts International Stock $mgm

2021 Q4 Form 10-K Financial Statement

#000078957022000005 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MGM MGM Resorts International Stock $mgm

2021 Q4 Form 10-K Financial Statement

#000078957022000005 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MGM
MGM Resorts International Stock $mgm