SPG


Line plots across dimensions of each concept
Tables

Table of contents


us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesOutstanding

us-gaap:Revenues
dei:LegalEntity

us-gaap:OtherIncome
dei:LegalEntity

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:CostsAndExpenses
dei:LegalEntity

us-gaap:GeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:OperatingIncomeLoss
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
dei:LegalEntity

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:Assets
dei:LegalEntity

us-gaap:Liabilities
dei:LegalEntity

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:LongTermDebt
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

us-gaap:MinorityInterest

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:PaymentsToAcquireInvestments
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity
us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

spg:AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossAndImpairmentNet
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
spg:AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership
us-gaap:StatementEquityComponents

spg:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents

spg:ChangesInAvailableForSaleSecuritiesAndOther
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents

spg:DepreciationAndAmortizationCashFlows
dei:LegalEntity

spg:DistributionsMadeToCommonStockholdersAndLimitedPartners
us-gaap:StatementEquityComponents

spg:DistributionsToOtherNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

spg:DistributionsToPreferredUnitHoldersFinancingActivities
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentEntityOwnershipNetIncome
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationCostOfPropertyRepairsAndMaintenance
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationCostsAndExpenses
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationDirectCostsOfLeasedAndRentedPropertyOrEquipment
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationInterestExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationLeaseIncome
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationMarketingAndAdvertisingExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
spg:EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationOtherCostAndExpenseOperating
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationOtherIncome
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationRealEstateTaxExpense
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentThirdPartyInvestorsShareOfNetIncome

spg:HomeAndRegionalOfficeCosts
dei:LegalEntity

spg:IncomeTaxExpenseBenefitAndOther
dei:LegalEntity

spg:IncreaseDecreaseInAccountsPayableAccruedExpensesIntangiblesDeferredRevenuesAndOtherLiabilities
dei:LegalEntity
dei:LegalEntity
spg:IssuanceOfUnitEquivalents

spg:IssuanceOfUnitEquivalentsAndStockholdersEquityOther
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
spg:LimitedPartnershipUnitsIssuedDuringPeriodValueConversionOfPreferredUnits

spg:ManagementFeesAndOtherRevenues
dei:LegalEntity
dei:LegalEntity
spg:NetIncomeLossAttributableToPreferredDistributionsOnTemporaryEquityPreferredUnits

spg:NetIncomeLossAttributableToPreferredInterestInOperatingPartnership

spg:NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
spg:NumberOfJointVentures
us-gaap:PartnerTypeOfPartnersCapitalAccount
spg:NumberOfLimitedPartnersIssuedSharesOfCommonStock
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementClassOfStock
spg:NumberOfSeriesOfUnitsClassifiedIntoTemporaryEquity
us-gaap:StatementClassOfStock, dei:LegalEntity
dei:LegalEntity
spg:PaymentsForPurchaseOfGeneralPartnerUnits

spg:PaymentsOfOrdinaryDividendsCommonStockAndPreferredStock

spg:PreferredStockPremiumAmortization
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity

spg:RedemptionOfLimitedPartnerUnits
dei:LegalEntity

spg:RedemptionOfLimitedPartnerUnitsDuringPeriodValue
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:AwardType, us-gaap:PlanName
spg:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting
us-gaap:AwardType, us-gaap:PlanName
spg:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue
us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting
us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName

spg:UnitsIssuedDuringPeriodValueShareBasedCompensation
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:PlanName

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
dei:LegalEntity

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CostOfPropertyRepairsAndMaintenance
dei:LegalEntity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity

us-gaap:DepreciationAndAmortization
dei:LegalEntity

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment
dei:LegalEntity
dei:LegalEntity
us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit

us-gaap:EarningsPerShareBasicAndDiluted
dei:LegalEntity

us-gaap:EquityMethodInvestmentDividendsOrDistributions
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss
dei:LegalEntity

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable
dei:LegalEntity

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi
dei:LegalEntity

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
dei:LegalEntity

us-gaap:LeaseCost

us-gaap:LeaseIncome
us-gaap:Ownership
us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
us-gaap:Ownership, us-gaap:Range
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity
us-gaap:LineOfCreditFacilityCommitmentFeePercentage
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity

us-gaap:MarketingAndAdvertisingExpense
dei:LegalEntity
dei:LegalEntity
us-gaap:NetIncomeLossAllocatedToGeneralPartners
dei:LegalEntity
us-gaap:NetIncomeLossAllocatedToLimitedPartners

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest
dei:LegalEntity

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
dei:LegalEntity

us-gaap:OperatingLeaseLeaseIncomeLeasePayments

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:OtherCostAndExpenseOperating
dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountDistributions
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountTreasuryUnitsPurchases
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountUnitsConverted

us-gaap:PartnersCapitalAccountUnitsRedeemed
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
dei:LegalEntity
us-gaap:PartnersCapitalAccountUnitsTreasury

us-gaap:PaymentsOfDividendsMinorityInterest
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates
dei:LegalEntity

us-gaap:PaymentsToAcquireProductiveAssets
dei:LegalEntity

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures
dei:LegalEntity

us-gaap:PaymentsToMinorityShareholders
dei:LegalEntity
us-gaap:StatementClassOfStock, dei:LegalEntity
us-gaap:PreferredStockDividendRatePercentage

us-gaap:ProceedsFromDebtNetOfIssuanceCosts
dei:LegalEntity

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital
dei:LegalEntity

us-gaap:ProceedsFromInsuranceSettlementInvestingActivities
dei:LegalEntity
us-gaap:StatementGeographical, us-gaap:IncomeStatementLocation, us-gaap:LossContingenciesByNatureOfContingency, us-gaap:RealEstateProperties

us-gaap:ProceedsFromMinorityShareholders
dei:LegalEntity

us-gaap:RealEstateTaxExpense
dei:LegalEntity

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
dei:LegalEntity
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
us-gaap:SaleOfStockPercentageOfOwnershipAfterTransaction
us-gaap:BusinessAcquisition, dei:LegalEntity

us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits
us-gaap:PartnerTypeOfPartnersCapitalAccount

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfUnits

us-gaap:StraightLineRent
dei:LegalEntity

us-gaap:SubleaseIncome

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseIncome

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
dei:LegalEntity
us-gaap:StatementClassOfStock
dei:EntityCommonStockSharesOutstanding

spg:AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues
dei:LegalEntity

spg:CapitalStockSharesAuthorized

spg:CashDistributionsAndLossesInPartnershipsAndJointVenturesAtEquity
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentOperatingLeaseLiability
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentOperatingLeaseRightOfUseAsset
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationAccountsAndNotesReceivableNet
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationAccountsPayableAccruedExpensesIntangiblesAndDeferredRevenue
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationDeferredCostsAndOtherAssets
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationMortgages
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyAccumulatedDepreciation
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyAtCost
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
spg:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet

spg:JointVenturePropertiesNumber
us-gaap:BusinessAcquisition
spg:NumberOfDesignees
us-gaap:BusinessAcquisition, dei:LegalEntity
us-gaap:Ownership, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

spg:UnamortizedLossOnTreasuryLocksAndTerminatedHedgesAccumulatedOtherComprehensiveIncomeLoss

us-gaap:AccountsAndNotesReceivableNet
dei:LegalEntity

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
dei:LegalEntity

us-gaap:AdvancesToAffiliate
dei:LegalEntity

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:BusinessAcquisition, dei:LegalEntity
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:StatementClassOfStock
us-gaap:CommonStockValueOutstanding
us-gaap:Range, us-gaap:LongtermDebtType, us-gaap:MeasurementInputType
us-gaap:DebtInstrumentMeasurementInput

us-gaap:DeferredCostsAndOtherAssets
dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, spg:MaturityDate
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, spg:MaturityDate
us-gaap:DerivativeNotionalAmount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties
us-gaap:EquityMethodInvestmentUnderlyingEquityInNetAssets

us-gaap:EquityMethodInvestments
dei:LegalEntity
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
dei:LegalEntity
us-gaap:GeneralPartnersCapitalAccount
dei:LegalEntity
us-gaap:GeneralPartnersCapitalAccountUnitsOutstanding
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:InterestRateDerivativeAssetsAtFairValue
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccount
dei:LegalEntity
us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:LoansAndLeasesReceivableRelatedParties
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:MinorityInterestInOperatingPartnerships
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:NumberOfInterestRateDerivativesHeld
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:NumberOfRealEstateProperties
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:StatementGeographical
us-gaap:RealEstateProperties
us-gaap:StatementGeographical
us-gaap:StatementGeographical, dei:LegalEntity

us-gaap:OperatingLeaseLiability
dei:LegalEntity

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherLiabilities
dei:LegalEntity

us-gaap:OtherMinorityInterests
dei:LegalEntity
us-gaap:PartnersCapital
dei:LegalEntity
us-gaap:PartnersCapitalAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity
dei:LegalEntity
us-gaap:PreferredStockLiquidationPreferenceValue

us-gaap:PreferredStockValue
dei:LegalEntity
us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyAtCost
dei:LegalEntity

us-gaap:RealEstateInvestmentPropertyNet
dei:LegalEntity

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
dei:LegalEntity
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, dei:LegalEntity

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonValue

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock us-gaap:CommonClassA████████████████▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▄▄▁▁▁▁▁320320320320320320320320320320319319319319319319314314314314314314314314314314313313313313313307306297297297297296NANANA289NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonClassA████████████████▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▄▄▁▁▁▁▁320320320320320320320320320320319319319319319319314314314314314314314314314314313313313297313307306297296296296296NANANA289NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Revenues ▆█▇▇██▇▇▇▇▇▆▆▇▆▆▆▇▆▆▅▆▅▄▆▇▆▅▅▆▅▄▄▄▃▃▂▄▂▁▁▂▁▁▁135314881416139714521460140913881399142714031361134514251357131513361380132013491216129712341181131414161302123612151344122811881118117110741040101911199799339251028924903918
 us-gaap:Revenues dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership1353NA141613971452NA140913881399NA140313611345NA135713151336NA13201349NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherIncome 61NA7970145NA909798NA906861NA546084NA7213948NA543749NA483330NA435150NA475246NA435455NANANANA
 us-gaap:OtherIncome dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership61NA7970145NA909798NA906861NA546084NA72139NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense 6NA8109NA121012NA131314NA151514NA141514NA141514NA141514NA141413NA1487NA555NANANANA
 us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership6NA8109NA121012NA131314NA151514NA1415NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense 187NA202198198NA199206205NA199207198NA214213219NA229230232NA249254268NA284279285NA288288258NA244244248NA249261263NANANANA
 us-gaap:InterestExpense dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership187NA202198198NA199206205NA199207198NA214213219NA229230NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses 698NA711716702NA691650697NA713675669NA680656651NA662646617NA627620699NA701671657NA667666603NA590573568NA581518498NANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership698NA711716702NA691650697NA713675669NA680656651NA662646NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense 6NA8109NA121012NA131314NA151514NA141514NA141514NA141514NA141413NA1487NA555NANANANA
 us-gaap:GeneralAndAdministrativeExpense dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership6NA8109NA121012NA131314NA151514NA1415NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▆█▇▇██▇█▇█▇▇▇▇▇▇▇▇▆▇▆▆▆▅▆▇▆▅▅▆▅▅▅▅▄▄▄▅▃▃▄▄▃▁▃654776705680750754717737701749690686676700676659684709657702599655607561615692600564557614560521515533483467450504397415426425392224364
 us-gaap:OperatingIncomeLoss dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership654NA705680750NA717737701NA690686676NA676659684NA657702NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense 187NA202198198NA199206205NA199207198NA214213219NA229230232NA249254268NA284279285NA288288258NA244244248NA249261263NANANANA
 us-gaap:InterestExpense dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership187NA202198198NA199206205NA199207198NA214213219NA229230NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▅▆▅▆█▆▆▇▆▅▄▅▄▅▅▅▄▄▅▃▄▂▄▃▄▃▃▂▃▂▁▇▄▂▁▁505590628572631833642631715659592441551455587527563459492554425475296477401449367400334370306260781441333250219NA28018520NANANANA
 us-gaap:ProfitLoss dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership505NA628572631NA642631715NA592441551NA587527563NA492554NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax 437NA552488554NA553535629NA507379491NA509454616NA419379272NA189413350NA338321292NA272158716NA126231194NA274110-9NANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership504NA636562637NA637616723NA584437565NA587526720NA489443NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest 66NA847483NA848195NA765874NA8272104NA716547NA337159NA595651NA5633150NA284942NA57240NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest 504NA636563637NA638616724NA584437566NA592526721NA490444319NA222484410NA397377343NA328191867NA155281236NA332135-8NANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership504NA636563637NA638616724NA584437566NA592526721NA490444NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▆▆▆▆█▇▆▇▇▆▅▆▅▆▆▆▅▅▆▅▅▄▅▄▅▄▄▄▄▄▃▇▅▄▃▃▃▃▃▁▂▂▁▂437510544495548712556547620571513381477394504455480392420472362405251406341381311339283315254215645362274205179217230152991105-20106
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership▂▄▄▃▅█▅▄▆▅▄▁▃▁▄▃▃▁▂▃▄504587627570631821640629714657591439550453581525561457490552630NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 437NA544495548NA556547620NA513381477NA504455480NA420472362NA251406341NA311339283NA254215645NA274205179NA2301529NANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership504NA627570631NA640629714NA591439550NA581525561NA490552NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest 66NA837582NA858394NA785872NA827182NA718062NA447058NA545950NA5044135NA584439NA49335NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █▆█▆▆▅▆▆▆▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▇▇▇▆▆▇▆▆▇▂▂▁▁▁3412131231338443073230841306863107930843310173225731032309653094631103316683137931398306503064130083302752953229672305863275533324321113201531886325863197731986324172621625575245342456924857NANANA25948NANANA
 us-gaap:Assets dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership█▂▇▁▁▁▂▁▂▄▂▂▂▂▃▂34121312313384430732308413068631079308433101732257310323096530946311033166831379NA30565NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Liabilities █▆█▆▅▅▆▅▅▆▅▅▅▅▅▅▅▅▅▄▄▄▄▄▅▅▄▄▄▅▄▄▄▂▂▁▁▁3139728101305372713726915266592698426766267822782826603264902605026005261822590425880254082549524878244842355523779244452578326311251272502824875255152480224592248612040419891188741891819138NANANA20234NANANA
 us-gaap:Liabilities dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership█▄▇▃▂▂▂▂▂▃▂▂▁▁▁▁31397281013053727137269152665926984267662678227828266032649026050260052618225904NA25323NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity █▆█▆▆▅▆▆▆▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▇▇▇▆▆▇▆▆▇▂▂▁▁▁3412131231338443073230841306863107930843310173225731032309653094631103316683137931398306503064130083302752953229672305863275533324321113201531886325863197731986324172621625575245342456924857NANANA25948NANANA
 us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership█▂▇▁▁▁▂▁▂▄▂▂▂▂▃▂34121312313384430732308413068631079308433101732257310323096530946311033166831379NA30565NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:StockholdersEquity ▁▂▂▂▃▃▃▃▃▄▄▄▄▅▅▅▅▅▅▅▆▆▆▆█████████▅▅▆▆▆21812526267229193212329633833371350536863685372641074310462846214590447143924442493650935021523358745849582858345845591058415945607746494641479547884830NANANA4458NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue █▂▇▁▁▁▂▂▁▃▁▁▁▁▂▂▂▂▂▁▂▁▂▄▂▄▂▂▂▃▁▂▂▂▁▂▂▂▂▅▇█3724669364747943651469571436714825084885135608148848057018565658336128171665101317161099109582911844526388807985757896367961011229333263957NANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership█▂█▁▁▁▂▂▁▃▁▁▁▁▂▂▂▂▂▁372466936474794365146957143671482508488513560814884805701856565NA612NANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebt █▃▇▂▁▂▂▂▂▄▂▂▁▁▁▁27553241632664323324231852330523678235052364724632234102342223149229772307822923NA22416NANANANANANANANANANANANANANANA18421NANANA17468NANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership█▃▇▂▁▂▂▂▂▄▂▂▁▁▁▁27553241632664323324231852330523678235052364724632234102342223149229772307822923NA22416NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType us-gaap:Mortgages,us-gaap:SecuredDebt▇▇▆▆▆▆█▃▄▇▇▄▃▂▃▁6900690068006800680068007000660067006900690067006600650066006400NA6600NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType,dei:LegalEntity us-gaap:CorporateDebtSecurities,us-gaap:UnsecuredDebt,spg:SimonPropertyGroupLimitedPartnership▃▃█▁15800159001840015000NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▂▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆██▅▅▅▄▅32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802NANANA724NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▁▂▂▂▃▃▃▃▃▄▄▄▄▅▅▅▅▅▅▅▆▆▆▆█████████▅▅▆▆▆21812526267229193212329633833371350536863685372641074310462846214590447143924442493650935021523358745849582858345845591058415945607746494641479547884830NANANA4458NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▁▂▂▂▃▃▃▃▃▄▄▄▄▅▅▅▅▅▅▅▆▆▆▆▇▇▇▇▇▇▇██▅▅▅▅▆25102911308033633699379638973878403342384242429147294959532653175362521651205179576559515866611568646822680468066823689368217130729355445512556955605633NANANA5182NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital███▇▇▆▇▅▅▄▄▄▃▂▁▁9768975697489723970697009736965796479614959795879558952394789465NA938493709357943794229406940692889217919791849182917590549091909381038071806080558059NANANA7547NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▂▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆██▅▅▅▄▅▅▄▄▄32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802802736705724NANANA
us-gaap:AdditionalPaidInCapital █████████▇▇▇▇▇▇▇▆▆▆▆▇▇▇▇▆▆▆▆▆▆▅▅▅▁▁▁▁▁97689756974897239706970097369657964796149597958795589523947894659391938493709357943794229406940692889217919791849182917590549091909381038071806080558059NANANA7547NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▅▅▅▇▇▇▇▇▇███▇▇▇▇▇-5583-5379-5223-5122-4979-4893-4896-4833-4774-4782-4776-4731-4559-4459-4349-4341-4288-4266-4336-4274-4289-4208-4200-4049-3273-3218-3218-3174-3164-3083-3057-2974-2885-3251-3220-3202-3173-3114NANANA-2955NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▄▄▄▄▄▄▄▅▄▄▅▅▄▄▄▄▁▁▁▃▆▄▆▅▅▅▅▅▅▅▅▆▅▅█▇▇-119-118-121-128-120-126-118-115-102-110-111-103-100-114-115-119-117-252-248-246-151-61-125-61-67-75-76-102-82-90-64-81-23-94-10245206NANANA-3NANANA
us-gaap:MinorityInterest ▁▁▂▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆██▅▅▅▄▅32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802NANANA724NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 741NANANA837NANANA843NANANA785NANANA720NANANA674NANANA661NANANA550NANANA572NANANA452NANANA448NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership741NANANA837NANANA843NANANA785NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities -213NANANA-113NANANA-123NANANA-175NANANA-195NANANA-510NANANA-227NANANA-12NANANA-3175NANANA-12NANANA-39NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities 2527NANANA-801NANANA-1834NANANA-657NANANA-421NANANA57NANANA-1137NANANA-892NANANA2684NANANA-600NANANA-1040NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership2527NANANA-801NANANA-1834NANANA-657NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 741NANANA837NANANA843NANANA785NANANA720NANANA674NANANA661NANANA550NANANA572NANANA452NANANA448NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership741NANANA837NANANA843NANANA785NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▅▆▅▆█▆▆▇▆▅▄▅▄▅▅▅▄▄▅▃▄▂▄▃▄▃▃▂▃▂▁▇▄▂▁▁505590628572631833642631715659592441551455587527563459492554425475296477401449367400334370306260781441333250219NA28018520NANANANA
 us-gaap:ProfitLoss dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership505NA628572631NA642631715NA592441551NA587527563NA492554NANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities -213NANANA-113NANANA-123NANANA-175NANANA-195NANANA-510NANANA-227NANANA-12NANANA-3175NANANA-12NANANA-39NANANANA
us-gaap:PaymentsToAcquireInvestments 24NANANA6NANANA7NANANA4NANANA3NANANA10NANANA5NANANANANANANA7NANANA8NANANA6NANANANA
 us-gaap:PaymentsToAcquireInvestments dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership24NANANA6NANANA7NANANA4NANANA3NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities 2527NANANA-801NANANA-1834NANANA-657NANANA-421NANANA57NANANA-1137NANANA-892NANANA2684NANANA-600NANANA-1040NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership2527NANANA-801NANANA-1834NANANA-657NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RepaymentsOfLongTermDebt 3006NANANA2648NANANA2649NANANA1738NANANA3429NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership3006NANANA2648NANANA2649NANANA1738NANANA3429NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock 152NANANA7NANANA227NANANA151NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RepaymentsOfLongTermDebt 3006NANANA2648NANANA2649NANANA1738NANANA3429NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity spg:SimonPropertyGroupLimitedPartnership3006NANANA2648NANANA2649NANANA1738NANANA3429NANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

us-gaap:CommonClassA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value320320320320320320320320320320319319319319319319314314314314314314314314314314313313313313313307306297297297297296289
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonClassA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value320320320320320320320320320320319319319319319319314314314314314314314314314314313313313297313307306297296296296296289
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

Weighted Average Number Of Shares Outstanding Basic

Earnings Per Share Basic

Earnings Per Share Diluted

Income Loss From Continuing Operations Per Basic Share

Income Loss From Continuing Operations Per Diluted Share

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value135314881416139714521460140913881399142714031361134514251357131513361380132013491216129712341181131414161302123612151344122811881118117110741040101911199799339251028924903918
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value135314161397145214091388139914031361134513571315133613201349
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Other Income

us-gaap:OtherIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6179701459097989068615460847213948543749483330435150475246435455
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.65.65.010.06.47.07.06.45.04.64.04.66.35.510.34.04.53.23.73.72.72.53.64.34.54.45.04.64.55.96.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value61797014590979890686154608472139
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.65.65.010.06.47.07.06.45.04.64.04.66.35.510.3
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership4.65.65.010.06.47.07.06.45.04.64.04.66.35.510.3

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value681091210121313141515141415141415141415141414131487555
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.11.21.21.31.11.11.21.21.21.21.21.40.90.80.50.60.6

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value681091210121313141515141415
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.1

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value187202198198199206205199207198214213219229230232249254268284279285288288258244244248249261263
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.119.120.221.620.421.822.623.523.524.323.122.723.524.325.528.028.5

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value187202198198199206205199207198214213219229230
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.1

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, dei:LegalEntity

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-31
Value01
Percentage of InterestExpense-0.30.5
Percentage of Revenues-0.00.1
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome spg:SimonPropertyGroupLimitedPartnership0.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest



Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value01112
Percentage of InterestExpense-0.30.50.50.81.0
Percentage of Revenues-0.00.10.10.10.2
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value698711716702691650697713675669680656651662646617627620699701671657667666603590573568581518498
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues51.650.251.348.449.146.949.950.849.649.750.249.948.850.247.950.750.852.553.253.954.354.154.356.153.955.055.155.859.455.553.9

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value698711716702691650697713675669680656651662646
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues51.650.251.348.449.146.949.950.849.649.750.249.948.850.247.9
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership51.650.251.348.449.146.949.950.849.649.750.249.948.850.247.9

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value681091210121313141515141415141415141415141414131487555
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.11.21.21.31.11.11.21.21.21.21.21.40.90.80.50.60.6

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value681091210121313141515141415
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership0.50.60.70.60.90.80.90.91.01.01.11.11.11.11.1

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value654776705680750754717737701749690686676700676659684709657702599655607561615692600564557614560521515533483467450504397415426425392224364
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues48.452.249.848.751.651.650.953.150.152.549.250.450.349.149.850.151.251.449.852.149.350.549.247.546.848.946.145.745.945.745.743.946.145.545.044.944.245.040.644.546.141.442.424.939.7

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value654705680750717737701690686676676659684657702
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues48.449.848.751.650.953.150.149.250.450.349.850.151.249.852.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership48.449.848.751.650.953.150.149.250.450.349.850.151.249.852.1

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value187202198198199206205199207198214213219229230232249254268284279285288288258244244248249261263
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.119.120.221.620.421.822.623.523.524.323.122.723.524.325.528.028.5

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value187202198198199206205199207198214213219229230
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership13.914.314.213.714.214.914.714.215.214.715.816.316.417.417.1

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, dei:LegalEntity

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-31
Value01
Percentage of InterestExpense-0.30.5
Percentage of Revenues-0.00.1
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome spg:SimonPropertyGroupLimitedPartnership0.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest



Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value01112
Percentage of InterestExpense-0.30.50.50.81.0
Percentage of Revenues-0.00.10.10.10.2
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

Income Loss From Continuing Operations

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Tax Expense Benefit

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value50559062857263183364263171565959244155145558752756345949255442547529647740144936740033437030626078144133325021928018520
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.339.744.440.943.557.045.645.551.146.242.232.440.932.043.340.142.233.337.341.135.036.724.140.430.531.728.232.427.527.624.922.069.937.731.124.121.528.619.82.2

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value505628572631642631715592441551587527563492554
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.344.440.943.545.645.551.142.232.440.943.340.142.237.341.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.344.440.943.545.645.551.142.232.440.943.340.142.237.341.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value437552488554553535629507379491509454616419379272189413350338321292272158716126231194274110-9
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.339.035.038.239.338.644.936.227.936.537.634.546.131.728.122.415.335.026.726.026.024.022.213.364.111.822.219.028.111.8-1.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value504636562637637616723584437565587526720489443
Percentage of ComprehensiveIncomeNetOfTax115.2115.3115.2115.0115.2115.2115.0115.1115.2115.0115.2115.9116.8116.8117.0
Percentage of Revenues37.344.940.343.945.344.451.741.632.142.043.340.053.937.132.9
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.344.940.343.945.344.451.741.632.142.043.340.053.937.132.9

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value668474838481957658748272104716547337159595651563315028494257240
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.96.05.35.76.05.96.85.54.35.56.15.57.85.44.83.92.76.04.54.54.64.34.62.813.42.64.84.15.92.70.1

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value000000000050000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.70.40.60.20.40.30.60.40.70.96.50.80.71.20.9
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.10.40.00.10.10.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership0.00.00.00.00.00.00.00.00.00.10.40.00.10.10.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value504636563637638616724584437566592526721490444319222484410397377343328191867155281236332135-8
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.345.040.343.945.344.451.741.632.242.143.740.154.037.132.926.318.041.031.230.530.528.326.816.177.514.527.023.233.914.5-0.9

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value504636563637638616724584437566592526721490444
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.345.040.343.945.344.451.741.632.242.143.740.154.037.132.9
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.345.040.343.945.344.451.741.632.242.143.740.154.037.132.9

Net Income Loss

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value437510544495548712556547620571513381477394504455480392420472362405251406341381311339283315254215645362274205179217230152991105-20106
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.334.338.435.537.848.839.539.444.340.036.628.135.527.737.234.636.028.431.835.129.831.220.434.426.026.923.927.523.323.520.718.157.731.025.519.717.619.523.616.31.08.911.4-2.311.6

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value504587627570631821640629714657591439550453581525561457490552630
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic115.2115.2115.2115.2115.1115.2115.1115.1115.1115.2115.2115.2115.1115.0115.2115.4116.8116.7116.7116.8174.1
Percentage of Revenues37.339.544.340.843.556.245.545.451.046.142.232.340.931.842.839.942.033.237.141.051.8
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.30.044.340.843.50.045.545.451.00.042.232.340.90.042.839.942.00.037.141.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value000-1-1
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic0.1-0.2-0.2-0.2-0.3
Percentage of Revenues0.0-0.1-0.1-0.1-0.1
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4375444955485565476205133814775044554804204723622514063413113392832542156452742051792301529
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.338.435.537.839.539.444.336.628.135.537.234.636.031.835.129.820.434.426.023.927.523.320.718.157.725.519.717.623.616.31.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value504627570631640629714591439550581525561490552
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted115.2115.2115.2115.1115.1115.1115.1115.2115.2115.1115.2115.4116.8116.7116.8
Percentage of Revenues37.344.340.843.545.545.451.042.232.340.942.839.942.037.141.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.344.340.843.545.545.451.042.232.340.942.839.942.037.141.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value66837582858394785872827182718062447058545950504413558443949335
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.95.95.45.76.06.06.75.64.35.46.15.46.15.46.05.13.65.94.54.24.84.24.13.812.15.54.33.95.03.60.6

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value000000000050000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest-0.30.40.5-1.10.60.3-0.1-0.70.1-0.36.50.80.91.20.8
Percentage of Revenues-0.00.00.0-0.10.00.0-0.0-0.00.0-0.00.40.00.10.10.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership-0.00.00.0-0.10.00.0-0.0-0.00.0-0.00.40.00.10.10.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterest



Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value00000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.1-0.2-0.2-0.3-0.3
Percentage of Revenues0.0-0.0-0.0-0.0-0.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterest0.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value341213123133844307323084130686310793084331017322573103230965309463110331668313793139830650306413008330275295322967230586327553332432111320153188632586319773198632417262162557524534245692485725948
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3412131231338443073230841306863107930843310173225731032309653094631103316683137930565
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7
Percentage of Assets spg:SimonPropertyGroupLimitedPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value313972810130537271372691526659269842676626782278282660326490260502600526182259042588025408254952487824484235552377924445257832631125127250282487525515248022459224861204041989118874189181913820234
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets92.090.090.288.387.386.986.886.886.386.385.785.584.283.682.782.682.482.983.282.780.979.880.179.978.779.078.278.278.078.377.676.976.777.877.876.977.077.078.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3139728101305372713726915266592698426766267822782826603264902605026005261822590425323
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7
Percentage of Assets92.090.090.288.387.386.986.886.886.386.385.785.584.283.682.782.682.6
Percentage of Assets spg:SimonPropertyGroupLimitedPartnership92.090.090.288.387.386.986.886.886.386.385.785.584.283.682.782.682.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value341213123133844307323084130686310793084331017322573103230965309463110331668313793139830650306413008330275295322967230586327553332432111320153188632586319773198632417262162557524534245692485725948
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3412131231338443073230841306863107930843310173225731032309653094631103316683137930565
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7
Percentage of Assets spg:SimonPropertyGroupLimitedPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value218125262672291932123296338333713505368636853726410743104628462145904471439244424936509350215233587458495828583458455910584159456077464946414795478848304458
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.48.17.99.510.410.710.910.911.311.411.912.013.313.914.614.714.614.614.314.816.317.216.917.117.917.618.218.218.318.118.318.618.717.718.119.519.519.417.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3724669364747943651469571436714825084885135608148848057018565658336128171665101317161099109582911844526388807985757896367961011229333263957773501
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.92.110.81.61.41.72.22.31.24.61.61.61.71.82.62.82.62.32.81.92.82.12.85.43.15.23.43.42.63.61.42.02.73.02.33.22.63.20.00.00.015.30.00.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value372466936474794365146957143671482508488513560814884805701856565612
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.92.110.81.61.41.72.22.31.24.61.61.61.71.82.62.82.62.32.81.92.1
Percentage of Assets spg:SimonPropertyGroupLimitedPartnership10.92.110.81.61.41.72.22.31.24.61.61.61.71.82.62.80.02.30.00.00.0

Land

Investments In Affiliates Subsidiaries Associates And Joint Ventures

Goodwill

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312011-12-312010-12-31
Value27553241632664323324231852330523678235052364724632234102342223149229772307822923224161842117468
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets80.877.478.775.975.275.976.276.276.276.475.475.674.873.972.973.173.170.370.3

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2755324163266432332423185233052367823505236472463223410234222314922977230782292322416
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets80.877.478.775.975.275.976.276.276.276.475.475.674.873.972.973.173.1
Percentage of Assets spg:SimonPropertyGroupLimitedPartnership80.877.478.775.975.275.976.276.276.276.475.475.674.873.972.973.173.3

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:Mortgages, us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value69006900680068006800680070006600670069006900670066006500660064006600
Percentage of LongTermDebt25.028.625.529.229.329.229.628.128.328.029.528.628.528.328.627.929.4
Percentage of Assets20.222.120.122.122.022.222.521.421.621.422.221.621.320.920.820.421.5
Percentage of Assets us-gaap:Mortgages us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

spg:SupplementalRevolvingCreditFacility, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value875
Percentage of LongTermDebt3.2
Percentage of Assets2.6
Percentage of Assets spg:SupplementalRevolvingCreditFacility us-gaap:UnsecuredDebt spg:SimonPropertyGroupLimitedPartnership0.0

us-gaap:CorporateDebtSecurities, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-30
Value15800159001840015000
Percentage of LongTermDebt57.365.869.164.3
Percentage of Assets46.350.954.448.8
Percentage of Assets us-gaap:CorporateDebtSecurities us-gaap:UnsecuredDebt spg:SimonPropertyGroupLimitedPartnership0.00.00.00.0

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802724
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.21.21.41.61.61.71.61.71.71.81.82.02.12.22.22.52.42.42.42.72.92.82.93.02.93.03.03.13.03.13.73.73.43.43.23.13.22.8

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value218125262672291932123296338333713505368636853726410743104628462145904471439244424936509350215233587458495828583458455910584159456077464946414795478848304458
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.48.17.99.510.410.710.910.911.311.411.912.013.313.914.614.714.614.614.314.816.317.216.917.117.917.618.218.218.318.118.318.618.717.718.119.519.519.417.2

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value25102911308033633699379638973878403342384242429147294959532653175362521651205179576559515866611568646822680468066823689368217130729355445512556955605633518231013414
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.49.39.110.912.012.412.512.613.013.113.713.915.315.916.816.917.117.016.717.219.020.219.820.021.020.521.221.321.421.221.322.322.521.121.622.722.622.720.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-119-118-121-128-120-126-118-115-102-110-111-103-100-114-115-119-252-248-246-151-61-125-61-67-75-76-102-82-90-64-81-23-94-10245206-3-16518
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-4.8-4.1-3.9-3.8-3.3-3.3-3.0-3.0-2.5-2.6-2.6-2.4-2.1-2.3-2.2-2.3-4.8-4.9-4.8-2.6-1.0-2.1-1.0-1.0-1.1-1.1-1.5-1.2-1.3-0.9-1.1-0.3-1.7-1.90.80.40.1-0.1-5.30.5
Percentage of Assets-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.4-0.3-0.3-0.4-0.4-0.4-0.8-0.8-0.8-0.5-0.2-0.4-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.2-0.3-0.1-0.4-0.40.20.10.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value9768975697489723970697009736965796479614959795879558952394789465938493709357943794229406940692889217919791849182917590549091909381038071806080558059754754105067
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest389.0335.1316.5289.1262.3255.5249.8249.0239.2226.8226.2223.4202.1192.0177.9178.0179.9183.0180.7163.7158.3160.3153.8135.3135.1135.2134.9134.6133.1132.7127.5124.7146.2146.4144.7144.9143.1145.6174.4148.4
Percentage of Assets28.631.228.831.631.531.631.331.331.129.830.931.030.930.629.930.230.630.631.131.231.931.730.828.427.728.628.728.828.228.328.428.130.931.632.932.832.429.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value0000000000000000000000000000000000000000
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802802736705724488592
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest13.113.213.213.213.213.213.213.113.113.013.113.213.113.113.113.114.414.314.214.214.414.414.414.414.414.314.314.314.314.314.416.616.716.115.813.913.914.30.00.00.014.015.817.4
Percentage of Assets1.01.21.21.41.61.61.71.61.71.71.81.82.02.12.22.22.52.42.42.42.72.92.82.93.02.93.03.03.13.03.13.73.73.43.43.23.13.20.00.00.02.80.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value42424242424242424243434343434343434343434444444444444444444444444545454545
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.71.51.41.31.21.11.11.11.11.01.01.00.90.90.80.80.80.90.80.80.70.80.70.60.70.70.70.70.60.70.60.60.80.80.80.80.8
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.2
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-5583-5379-5223-5122-4979-4893-4896-4833-4774-4782-4776-4731-4559-4459-4349-4341-4266-4336-4274-4289-4208-4200-4049-3273-3218-3218-3174-3164-3083-3057-2974-2885-3251-3220-3202-3173-3114-2955-2491-2096
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-222.4-184.8-169.6-152.3-134.6-128.9-125.6-124.6-118.4-112.8-112.6-110.3-96.4-89.9-81.7-81.6-81.8-84.7-82.5-74.4-70.7-71.6-66.2-47.7-47.2-47.3-46.6-46.4-44.7-44.8-41.7-39.6-58.7-58.4-57.5-57.1-55.3-57.0-80.3-61.4
Percentage of Assets-16.4-17.2-15.4-16.7-16.1-15.9-15.8-15.7-15.4-14.8-15.4-15.3-14.7-14.3-13.7-13.8-13.9-14.2-14.2-14.2-14.2-14.2-13.2-10.0-9.7-10.0-9.9-9.9-9.5-9.6-9.3-8.9-12.4-12.6-13.1-12.9-12.5-11.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-1926-1773-1773-1595-1435-1427-1380-1380-1307-1079-682-427-437-437-437-103-103-103-106-117-117-118-118-134-135-135-135-150-152-153-153-158-166-176-186-213
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-76.7-60.9-57.6-47.4-38.8-37.6-35.4-35.6-32.4-25.5-13.8-8.0-8.4-8.5-8.5-1.8-1.7-1.8-1.7-1.7-1.7-1.7-1.7-2.0-2.0-2.0-1.9-2.1-2.8-2.8-2.8-2.8-3.0-3.4-6.0-6.3
Percentage of Assets-5.6-5.7-5.2-5.2-4.7-4.7-4.4-4.5-4.2-3.3-2.2-1.4-1.4-1.4-1.5-0.3-0.4-0.4-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.5-0.6-0.6-0.6-0.6-0.7-0.70.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value976897569748972397069700973696579647961495979587955895239478946593919384937093579437942294069406928892179197918491829175905490919093810380718060805580597547
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.631.228.831.631.531.631.331.331.129.830.931.030.930.629.930.229.930.630.631.131.231.931.730.828.427.728.628.728.828.228.328.428.130.931.632.932.832.429.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-5583-5379-5223-5122-4979-4893-4896-4833-4774-4782-4776-4731-4559-4459-4349-4341-4288-4266-4336-4274-4289-4208-4200-4049-3273-3218-3218-3174-3164-3083-3057-2974-2885-3251-3220-3202-3173-3114-2955
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-16.4-17.2-15.4-16.7-16.1-15.9-15.8-15.7-15.4-14.8-15.4-15.3-14.7-14.3-13.7-13.8-13.7-13.9-14.2-14.2-14.2-14.2-14.2-13.2-10.0-9.7-10.0-9.9-9.9-9.5-9.6-9.3-8.9-12.4-12.6-13.1-12.9-12.5-11.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-119-118-121-128-120-126-118-115-102-110-111-103-100-114-115-119-117-252-248-246-151-61-125-61-67-75-76-102-82-90-64-81-23-94-10245206-3
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.4-0.3-0.3-0.4-0.4-0.4-0.4-0.8-0.8-0.8-0.5-0.2-0.4-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.2-0.3-0.1-0.4-0.40.20.10.0-0.0

Treasury Stock Value

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32938440744448650051350752755255756462164969769677174472873682885884588298997397597197798297911851215894870773771802724
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.21.21.41.61.61.71.61.71.71.81.82.02.12.22.22.52.42.42.42.72.92.82.93.02.93.03.03.13.03.13.73.73.43.43.23.13.22.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value741837843785720674661550572452448
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues54.857.660.358.453.955.550.345.351.244.348.5

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value741837843785
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0
Percentage of Revenues54.857.660.358.4
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership54.857.660.358.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-213-113-123-175-195-510-227-12-3175-12-39
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-15.8-7.8-8.8-13.0-14.6-42.0-17.3-1.0-283.8-1.2-4.3

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value-213-113-123-175
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0
Percentage of Revenues-15.8-7.8-8.8-13.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership-15.8-7.8-8.8-13.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value2527-801-1834-657-42157-1137-8922684-600-1040
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues186.8-55.2-131.1-48.8-31.54.7-86.5-73.5239.9-58.9-112.4

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value2527-801-1834-657
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0
Percentage of Revenues186.8-55.2-131.1-48.8
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership186.8-55.2-131.1-48.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value741837843785720674661550572452448
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues54.857.660.358.453.955.550.345.351.244.348.5

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value741837843785
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0
Percentage of Revenues54.857.660.358.4
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership54.857.660.358.4

Net Income Loss

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value50559062857263183364263171565959244155145558752756345949255442547529647740144936740033437030626078144133325021928018520
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.339.744.440.943.557.045.645.551.146.242.232.440.932.043.340.142.233.337.341.135.036.724.140.430.531.728.232.427.527.624.922.069.937.731.124.121.528.619.82.2

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value505628572631642631715592441551587527563492554
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.344.440.943.545.645.551.142.232.440.943.340.142.237.341.1
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership37.344.440.943.545.645.551.142.232.440.943.340.142.237.341.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-213-113-123-175-195-510-227-12-3175-12-39
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-15.8-7.8-8.8-13.0-14.6-42.0-17.3-1.0-283.8-1.2-4.3

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value-213-113-123-175
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0
Percentage of Revenues-15.8-7.8-8.8-13.0
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership-15.8-7.8-8.8-13.0

Payments To Acquire Property Plant And Equipment

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312012-03-312011-03-312010-03-31
Value246743105786
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value246743
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value2527-801-1834-657-42157-1137-8922684-600-1040
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues186.8-55.2-131.1-48.8-31.54.7-86.5-73.5239.9-58.9-112.4

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value2527-801-1834-657
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0
Percentage of Revenues186.8-55.2-131.1-48.8
Percentage of Revenues spg:SimonPropertyGroupLimitedPartnership186.8-55.2-131.1-48.8

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value30062648264917383429
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value30062648264917383429
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations spg:SimonPropertyGroupLimitedPartnership0.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-03-312017-03-31
Value1527227151
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value30062648264917383429
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value30062648264917383429
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations spg:SimonPropertyGroupLimitedPartnership0.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2018, us-gaap:ShareBasedCompensationAwardTrancheOne



Period End2020-03-31
Value38148.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-31
Value519514
Percentage of OperatingLeaseRightOfUseAsset100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-31
Value519514
Percentage of OperatingLeaseRightOfUseAsset100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value372466936474794365146957143671482508488560701
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value372466936474794365146957143671482508488560701
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

spg:AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossAndImpairmentNet



Period End2020-03-312019-09-302019-06-302018-06-302018-03-312017-06-30
Value010291354
Percentage of AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossAndImpairmentNet100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302018-06-302018-03-312017-06-30
Value010291354
Percentage of AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossAndImpairmentNet100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

spg:AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2426284741636
Percentage of AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership100.0100.0100.0100.0100.0100.0100.0

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-24-26-28-4-74-16-36
Percentage of AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2426284741636
Percentage of AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-24-26-28-4-74-16-36
Percentage of AdjustmentToLimitedPartnersInterestFromIncreasedOwnershipInOperatingPartnership-100.0-100.0-100.0-100.0-100.0-100.0-100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1351232
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1351232
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1351232
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1351232
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value00000006-1010118-275-80000016024-6325257-46-21
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value00000006-1010118-27
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-09-302016-06-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0000000001-40-100000003-10409-7-4
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value340339334335317302330321298274233
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value340339334335317
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value743744729730713695697
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value98989596939191
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value645645633634619604606
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value30000001
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value30000001
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value00000000001
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value743730698631580
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2020202021212122
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value89105106108105101105107
Percentage of EquityMethodInvestmentEntityOwnershipNetIncome100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1920182220202318
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCostOfPropertyRepairsAndMaintenance100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value479471464479460465471441
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value171171170170161166159156
Percentage of EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value147149140144151139146145
Percentage of EquityMethodInvestmentSummarizedFinancialInformationDirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value156159157156163190150149
Percentage of EquityMethodInvestmentSummarizedFinancialInformationInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value743766760758756749752
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLeaseIncome100.0100.0100.0100.0100.0100.0100.0

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spg:EquityMethodInvestmentSummarizedFinancialInformationMarketingAndAdvertisingExpense

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2219192420202419
Percentage of EquityMethodInvestmentSummarizedFinancialInformationMarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0

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spg:EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss

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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value121768037
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss100.0100.0100.0100.0100.0

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spg:EquityMethodInvesteesExcludingThoseSpecified, us-gaap:UnconsolidatedProperties



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value338374374355371362362367
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss2647.40.00.025370.50.00.0471.60.0

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Period End2020-03-312019-03-312018-03-31
Value83147135
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss654.710528.6176.8

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spg:EquityMethodInvestmentSummarizedFinancialInformationOtherCostAndExpenseOperating

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value5045474943494945
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value7479797573788174
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value6864676860686854
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value9210811011210196106110
Percentage of EquityMethodInvestmentThirdPartyInvestorsShareOfNetIncome100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value54454652323241313642414038373935404435343634273532303129282617
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value544546523232413136424140383739
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value-5671010106145-3671533
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value-5671010106145-3671533
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-146-126-65-106-96-61-100-119-8-524
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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value-146-126-65-106-96
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Period End2020-03-312019-06-302019-03-312018-06-302018-03-31
Value38148.014853.01483.017072.01608.0
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30-7-10-5-15
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30-7-10-5-15
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30-7-10-5-15
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30-5-10-3-14
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Value1000
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Value292728272828282831304134333840
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
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Value505628571632641630715
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Value505628571632641630715
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value437544495548556547620
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value66827583848293
Percentage of NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests13.213.213.113.113.113.113.1

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value67837583848394
Percentage of NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests13.313.213.213.213.213.213.2

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value438545496549557547621
Percentage of NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests86.786.886.886.886.886.886.8

us-gaap:StatementEquityComponents, dei:LegalEntity

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests0.10.10.10.00.00.00.1

us-gaap:PreferredStock, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnershipAndNoncontrollingRedeemableInterests0.20.10.10.10.10.10.1

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

spg:NumberOfJointVentures

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Period End2020-02-19
Value2.0
Percentage of NumberOfJointVentures100.0

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spg:NumberOfLimitedPartnersIssuedSharesOfCommonStock

us-gaap:LimitedPartner



Period End2020-03-31
Value4.0
Percentage of NumberOfLimitedPartnersIssuedSharesOfCommonStock100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value2.0
Percentage of NumberOfLimitedPartnersIssuedSharesOfCommonStock50.0

us-gaap:StatementClassOfStock

spg:NumberOfSeriesOfUnitsClassifiedIntoTemporaryEquity

spg:CumulativeRedeemablePreferredUnits7.50Percent



Period End2020-03-31
Value1.0
Percentage of NumberOfSeriesOfUnitsClassifiedIntoTemporaryEquity100.0

us-gaap:StatementClassOfStock, dei:LegalEntity

spg:CumulativeRedeemablePreferredUnits7.50Percent, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value1.0
Percentage of NumberOfSeriesOfUnitsClassifiedIntoTemporaryEquity100.0

dei:LegalEntity

spg:PaymentsForPurchaseOfGeneralPartnerUnits

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value1527227151
Percentage of PaymentsForPurchaseOfGeneralPartnerUnits100.0100.0100.0100.0

spg:PaymentsOfOrdinaryDividendsCommonStockAndPreferredStock



Period End2020-03-312019-03-31
Value645634
Percentage of PaymentsOfOrdinaryDividendsCommonStockAndPreferredStock100.0100.0

spg:PreferredStockPremiumAmortization



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value82000.082000.082000.082000.082000.082000.083000.0
Percentage of PreferredStockPremiumAmortization100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value82000.082000.082000.082000.082000.082000.083000.0
Percentage of PreferredStockPremiumAmortization100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:PreferredStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value82000.082000.082000.082000.082000.082000.083000.0
Percentage of PreferredStockPremiumAmortization100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:PreferredStock, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value82000.082000.082000.082000.082000.082000.083000.0
Percentage of PreferredStockPremiumAmortization100.0100.0100.0100.0100.0100.0100.0

spg:RedemptionOfLimitedPartnerUnits



Period End2020-03-312019-03-312018-03-31
Value1606
Percentage of RedemptionOfLimitedPartnerUnits100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-31
Value1606
Percentage of RedemptionOfLimitedPartnerUnits100.0100.0100.0

spg:RedemptionOfLimitedPartnerUnitsDuringPeriodValue



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value164016
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value164016
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value154015
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue94.194.294.192.892.4

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value00000
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue5.95.85.97.27.6

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value154015
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue94.194.294.192.892.4

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value00000
Percentage of RedemptionOfLimitedPartnerUnitsDuringPeriodValue5.95.85.97.27.6

us-gaap:AwardType, us-gaap:PlanName

spg:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2019



Period End2020-03-31
Value9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue100.0

us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2018, us-gaap:ShareBasedCompensationAwardTrancheOne



Period End2020-03-312019-03-312018-03-31
Value666
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue64.20.00.0

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2018, us-gaap:ShareBasedCompensationAwardTrancheTwo



Period End2020-03-312019-03-312018-03-31
Value666
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue64.20.00.0

us-gaap:AwardType, us-gaap:PlanName

spg:ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2019



Period End2020-03-31
Value14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue100.0

us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2018, us-gaap:ShareBasedCompensationAwardTrancheOne



Period End2020-03-312019-03-312018-03-31
Value666
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue41.50.00.0

spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2018, us-gaap:ShareBasedCompensationAwardTrancheTwo



Period End2020-03-312019-03-312018-03-31
Value666
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue41.50.00.0

us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName

srt:Maximum, spg:LtipUnits, spg:LongTermIncentivePerformanceProgram2019



Period End2020-03-31
Value22
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateTargetValue150.3

spg:UnitsIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4473778
Percentage of UnitsIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4473778
Percentage of UnitsIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4473778
Percentage of UnitsIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4473778
Percentage of UnitsIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-31
Value3222
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0

us-gaap:PlanName

spg:LongTermIncentivePerformancePrograms



Period End2020-03-312019-03-312018-03-312017-03-31
Value4344
Percentage of AllocatedShareBasedCompensationExpense140.0144.4208.7209.1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect



Period End2020-03-312019-03-312018-03-31
Value3055-77-1115
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-31
Value3055-77-1115
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2.12.12.052.052.01.951.951.8
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfPropertyRepairsAndMaintenance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value24232127232227252125232226212229212136272729262625242430202023
Percentage of CostOfPropertyRepairsAndMaintenance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value242321272322272521252322262122
Percentage of CostOfPropertyRepairsAndMaintenance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

spg:SupplementalRevolvingCreditFacility, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.00775
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:FederalFundsEffectiveSwapRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate164.5

spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate1129.0

us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:FederalFundsEffectiveSwapRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate164.5

us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate1129.0

us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity

srt:Maximum, spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:BaseRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.006
Percentage of DebtInstrumentBasisSpreadOnVariableRate177.4

srt:Maximum, spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.016
Percentage of DebtInstrumentBasisSpreadOnVariableRate1206.5

srt:Maximum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:BaseRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.004
Percentage of DebtInstrumentBasisSpreadOnVariableRate151.6

srt:Maximum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.014
Percentage of DebtInstrumentBasisSpreadOnVariableRate1180.6

srt:Minimum, spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:BaseRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

srt:Minimum, spg:TermLoan, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.00725
Percentage of DebtInstrumentBasisSpreadOnVariableRate193.5

srt:Minimum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:BaseRate, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

srt:Minimum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.0065
Percentage of DebtInstrumentBasisSpreadOnVariableRate183.9

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value328334352328316320316317322310311303300289295288281287326326318316310311285260261266243234228
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value328334352328316320316317322310311303300289295
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1051211061111191021131181071041201041031159999106921211261171091321161041221099911510198
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value10512110611111910211311810710412010410311599
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2.12.12.052.052.01.951.951.8
Percentage of DistributionMadeToLimitedPartnerDistributionsPaidPerUnit100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EarningsPerShareBasicAndDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.431.661.771.61.782.31.81.772.01.841.651.231.531.261.611.451.551.271.361.521.161.30.811.311.11.231.01.10.91
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.431.661.771.61.782.31.81.772.01.841.651.231.531.261.611.451.551.271.361.521.73
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0149.1

us-gaap:EquityMethodInvestmentDividendsOrDistributions



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value6882777061555143272226
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value6882777061
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss

spg:HudsonBayCompanyJointVenture



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value7-10515212
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties

spg:EquityMethodInvesteesExcludingThoseSpecified, us-gaap:UnconsolidatedProperties



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value182214216220207197211217
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss2566.60.00.0-2164.30.00.0409.40.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

spg:Klepierre, srt:Europe



Period End2020-03-312019-03-312018-03-31
Value61114202
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss859.2-1123.5392.1

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue

spg:HudsonBayCompanyJointVenture



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value31338710389
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRevenue100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties

spg:EquityMethodInvesteesExcludingThoseSpecified, us-gaap:UnconsolidatedProperties



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value818845839834831828833809
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRevenue2589.80.00.02499.70.00.0956.10.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

spg:Klepierre, srt:Europe



Period End2020-03-312019-03-312018-03-31
Value322377410
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRevenue1019.31129.3470.5

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-192-125-59
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-192-125-59
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value50119106901341009011692698384906864555557475654372930171318221017
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value501191069013410090116926983849068
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

spg:HudsonBayCompanyJointVenture



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-5-5-243444332461
Percentage of IncomeLossFromEquityMethodInvestments1.6-4.3-5.3-2.93.23.74.40.04.13.64.60.05.68.01.2

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties

spg:EquityMethodInvesteesExcludingThoseSpecified, us-gaap:UnconsolidatedProperties



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value6884857884708384
Percentage of IncomeLossFromEquityMethodInvestments135.870.680.286.462.769.592.872.9

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

spg:Klepierre, srt:Europe



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value735211722242214
Percentage of IncomeLossFromEquityMethodInvestments14.529.619.919.716.724.625.412.1

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value-44-36-71-54-73-69-63-77-77-59-49
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value-44-36-71-54-73
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi



Period End2020-03-312019-03-312018-03-31
Value-195-3
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-31
Value-195-3
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value3020624273381222714726
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value3020624273
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value11111111
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:LeaseIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1262130812981280128412581267
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0

us-gaap:Ownership

us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-31
Value0.8680.869
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest100.0100.0

us-gaap:Ownership, us-gaap:Range

spg:SimonPropertyGroupLimitedPartnership, srt:WeightedAverage



Period End2020-03-312019-03-312018-03-31
Value0.8680.8680.869
Percentage of LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest100.099.90.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

spg:TermLoan, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.001
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0

us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate, dei:LegalEntity

srt:Maximum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.003
Percentage of LineOfCreditFacilityCommitmentFeePercentage300.0

srt:Minimum, us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value0.001
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0

us-gaap:MarketingAndAdvertisingExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value33363537363634363635353335384118383824302921282821252421212218
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value333635373636343636353533353841
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:NetIncomeLossAllocatedToGeneralPartners

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value437544495548556547620513381477504455480420472
Percentage of NetIncomeLossAllocatedToGeneralPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:NetIncomeLossAllocatedToLimitedPartners

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value668275838482937857727670807079
Percentage of NetIncomeLossAllocatedToLimitedPartners100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0001000
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0001000
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value8777
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome



Period End2020-03-312019-09-302019-06-302019-03-31
Value1262130812981280
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-31
Value1262130812981280
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncomeLeasePayments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1054106710681081103610311060
Percentage of OperatingLeaseLeaseIncomeLeasePayments100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-03-31
Value1112
Percentage of OperatingLeasePayments100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-23-6-3-4-10-38131216131-3
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-23-6-3-4-10-38131216131-3
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-20-5-3-4-9-3311
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax86.985.785.087.185.486.887.3

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3000-1-51
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax13.114.315.012.914.613.212.7

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-20-5-3-4-9-3311
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax86.985.785.087.185.486.887.3

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3000-1-51
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax13.114.315.012.914.613.212.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2212-79521-6-8
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2212-79521-6-8
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1911-68418-5
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax86.886.787.186.986.386.886.9

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2101020
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax13.213.312.913.113.713.213.1

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1911-68418-5
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax86.886.787.186.986.386.886.9

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2101020
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax13.213.312.913.113.713.213.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-03-31
Value08-95-3-1488
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value08-95-3-148
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value07-75-3-127
Percentage of OtherComprehensiveIncomeLossNetOfTax88.687.486.386.783.786.787.5

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value01-100-11
Percentage of OtherComprehensiveIncomeLossNetOfTax11.412.613.713.316.313.312.5

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value07-75-3-127
Percentage of OtherComprehensiveIncomeLossNetOfTax88.687.486.386.783.786.787.5

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-09-302016-06-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value01-100-11010-15-15-10014-315-1114-305
Percentage of OtherComprehensiveIncomeLossNetOfTax11.412.613.713.316.313.312.50.00.00.00.00.00.00.00.00.00.015.70.00.00.00.00.0

us-gaap:OtherCostAndExpenseOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value27222720261031572123222320312319241820251818242417231919151315
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value272227202610315721232223203123
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PartnersCapitalAccountDistributions

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value746744730730713695698
Percentage of PartnersCapitalAccountDistributions100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value644644632633618603605
Percentage of PartnersCapitalAccountDistributions86.386.686.786.786.886.786.7

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value98989596939191
Percentage of PartnersCapitalAccountDistributions13.113.213.113.113.113.113.1

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:NoncontrollingInterest, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3000000
Percentage of PartnersCapitalAccountDistributions0.40.10.10.10.00.10.1

us-gaap:PreferredStock, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of PartnersCapitalAccountDistributions0.10.10.10.10.10.10.1

dei:LegalEntity

us-gaap:PartnersCapitalAccountTreasuryUnitsPurchases

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-03-31
Value152178173779227151
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value152178173779227
Percentage of PartnersCapitalAccountTreasuryUnitsPurchases100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PartnersCapitalAccountUnitsConverted

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-09-302018-03-31
Value0000
Percentage of PartnersCapitalAccountUnitsConverted100.0100.0100.0100.0

us-gaap:PartnersCapitalAccountUnitsRedeemed



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value116072.027214.0774.08716.040503.0
Percentage of PartnersCapitalAccountUnitsRedeemed100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value116072.027214.0774.08716.040503.0
Percentage of PartnersCapitalAccountUnitsRedeemed100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value116072.0
Percentage of PartnersCapitalAccountUnitsRedeemed100.0

dei:LegalEntity

us-gaap:PartnersCapitalAccountUnitsTreasury

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value111001
Percentage of PartnersCapitalAccountUnitsTreasury100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value9896918283736559574834
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

spg:MichiganCorporationTco



Period End2020-02-09
Value3600
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

spg:MichiganCorporationTco, us-gaap:SubsequentEvent



Period End2020-02-10
Value3600
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value411110581042345156124
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value41111058104
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value213216172148189229
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value213216172148189
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireRealEstateAndRealEstateJointVentures



Period End2020-03-312016-03-312015-03-312014-03-312013-03-31
Value107386828551
Percentage of PaymentsToAcquireRealEstateAndRealEstateJointVentures100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312016-03-31
Value10738
Percentage of PaymentsToAcquireRealEstateAndRealEstateJointVentures100.0100.0

us-gaap:PaymentsToMinorityShareholders



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value4183221225226
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value41832
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0

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Period End2020-03-31
Value0.075
Percentage of PreferredStockDividendRatePercentage100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts



Period End2020-03-312019-03-312018-03-312017-03-31
Value6451258717561868
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-31
Value6451258717561868
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0100.0100.0100.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value172120695565435124198
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

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Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value172120695565
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0

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Period End2020-03-312019-03-31
Value01
Percentage of ProceedsFromInsuranceSettlementInvestingActivities100.0100.0

dei:LegalEntity

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Period End2020-03-312019-03-31
Value01
Percentage of ProceedsFromInsuranceSettlementInvestingActivities100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value113417
Percentage of ProceedsFromInsuranceSettlementInvestingActivities260.00.00.0250.40.0

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Period End2020-03-312018-03-312017-03-312015-03-31
Value0000
Percentage of ProceedsFromMinorityShareholders100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312018-03-312017-03-31
Value000
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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value117118115115119111114111113106111107109114106106979911411310910910510698879393867889
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value117118115115119111114111113106111107109114106
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-03-312014-03-31
Value0-1-1-1-1-2-219-2-2-3-3-139-2-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value0-1-1-1-1-2-219-2-2-3-3-139
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000-1-1-1
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax86.986.886.786.986.586.986.9

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax13.113.213.313.113.513.213.1

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us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000-1-1-1
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax86.986.886.786.986.586.986.9

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax13.113.213.313.113.513.213.1

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Period End2020-02-09
Value0.8
Percentage of SaleOfStockPercentageOfOwnershipAfterTransaction100.0

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Period End2020-02-09
Value0.2
Percentage of SaleOfStockPercentageOfOwnershipAfterTransaction25.0

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Period End2020-03-312019-03-312018-09-302018-03-312012-09-25
Value00005
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.0100.0100.0100.0100.0

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Period End2020-03-312019-03-31
Value00
Percentage of StockIssuedDuringPeriodSharesConversionOfUnits100.0100.0

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Period End2020-03-31
Value1081.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationForfeited100.0

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Period End2020-03-31
Value1081.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationForfeited100.0

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Period End2020-03-312019-03-312018-09-302018-03-312017-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value1000070212
Percentage of StockIssuedDuringPeriodValueConversionOfUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-03-312018-09-302018-03-312017-03-312016-09-302016-06-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-100000-6900-70000-3-2-129-2-1-3-3-200-2
Percentage of StockIssuedDuringPeriodValueConversionOfUnits-100.0-100.0-100.0-100.0-100.00.00.00.00.0-100.00.00.0-100.00.00.0-100.00.00.0-100.00.00.0-100.00.00.00.0

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Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value81168121211107
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value8116812
Percentage of StraightLineRent100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-31
Value186000.0208000.0167000.0167000.0
Percentage of SubleaseIncome100.0100.0100.0100.0

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Period End2020-03-312019-03-312018-03-312017-03-31
Value122.5164.49154.66174.22
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-03-312016-03-31
Value11100100
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.00.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-03-31
Value152178173779227151
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value152178173779227
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-31
Value3444
Percentage of VariableLeaseCost100.0100.0100.0100.0

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value207241229198248227206
Percentage of VariableLeaseIncome100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value306306307308308309309309310310310311312313314313309309309310311310310310310
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value353353354355355356356356357358358358360361361361361361361362363
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted115.2115.2115.2115.2115.1115.2115.1115.1115.1115.2115.2115.2115.1115.1115.1115.4116.8116.7116.7116.8116.9

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Period End2020-03-312020-01-312019-09-302019-06-302019-03-312019-01-312018-09-302018-06-302018-03-312018-01-312017-09-302017-06-302017-03-312017-01-312016-09-302016-06-302016-03-312016-01-292015-09-302015-06-302015-03-312015-01-302014-09-302014-06-302014-03-312014-01-312013-09-302013-06-302013-03-312013-01-312012-09-302012-06-302012-03-312012-01-312011-09-302011-06-302011-03-312010-12-31
Value305306306308308308309309309320310310312319314314309314309309311314310310310314310310310313309303303297293293293296
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

spg:AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1253139013241227115713161268123011801269129012051081121412401209116713231307121511221259115011471259137413281273123113741204116811271091115110491014993987
Percentage of AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value12531390132412271157131612681230118012691290120510811214124012091323
Percentage of AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

spg:CapitalStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value850850850850850850850850850850850850850850850850850850850850850850-850850850850850850850850850850850850850850850850850
Percentage of CapitalStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16111566156815671559153615341531142114061388137013601359136914021371136813641344137211671166111611391091842836825724728730710695575606514485457
Percentage of CashDistributionsAndLossesInPartnershipsAndJointVenturesAtEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value16111566156815671559153615341531142114061388137013601359136914021368
Percentage of CashDistributionsAndLossesInPartnershipsAndJointVenturesAtEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-31
Value182186
Percentage of EquityMethodInvestmentOperatingLeaseLiability100.0100.0

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spg:EquityMethodInvestmentOperatingLeaseRightOfUseAsset

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Period End2020-03-312019-12-31
Value180185
Percentage of EquityMethodInvestmentOperatingLeaseRightOfUseAsset100.0100.0

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spg:EquityMethodInvestmentSummarizedFinancialInformationAccountsAndNotesReceivableNet

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value445510475425407445403403
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7899779428818769769031033
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAccountsPayableAccruedExpensesIntangiblesAndDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0

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spg:EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8441015880882101210761013956
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value371384581618617390395355
Percentage of EquityMethodInvestmentSummarizedFinancialInformationDeferredCostsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1532815391152171525315202152351523114784
Percentage of EquityMethodInvestmentSummarizedFinancialInformationMortgages100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value362338521554560344351365
Percentage of EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

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spg:EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyAccumulatedDepreciation

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value74937407726371196971683466726371
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1950019525192591912418887188071863218328
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1200612118119961200411916119721196011957
Percentage of EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value83.082.082.082.081.081.081.078.081.082.093.0
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Period End2020-02-09
Value3.0
Percentage of NumberOfDesignees100.0

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Period End2020-02-09
Value3.0
Percentage of NumberOfDesignees100.0

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Period End2020-02-10
Value3.0
Percentage of NumberOfDesignees0.0

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Period End2020-02-10
Value3.0
Percentage of NumberOfDesignees0.0

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Period End2020-03-312019-12-31
Value10-10
Percentage of UnamortizedLossOnTreasuryLocksAndTerminatedHedgesAccumulatedOtherComprehensiveIncomeLoss100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value793832775736733763722681686742686640621664626600573624564537523580516487530581529491454521456423417486413381372426402
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value793832775736733763722681686742686640621664626600624
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Period End2020-03-312019-12-312018-12-312012-12-312011-12-312010-12-312009-12-31
Value-180900000.0-160400000.0-158900000.0-30620000.0-39820000.0-31358000.0-10768000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312018-12-31
Value-208400000.0-184800000.0-183000000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax115.2115.2115.2

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Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value24142371212121412220
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Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value24142371212121412220
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Period End2020-03-312019-12-312018-12-312017-12-31
Value6041379
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value694756424837359
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax114.9115.30.00.00.0100.00.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value625250494640666462555887111941191009075
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-02-09
Value1.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0

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Period End2020-02-10
Value1.0
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value32000.032000.032000.032000.032000.032000.032000.032000.032000.032000.032000.032000.032000.032000.031000.0
Percentage of CommonStockValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.02410.03750.03623.834.294.554.964.25
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.02530.03670.03573.784.214.54.84.1
Percentage of DebtInstrumentMeasurementInput105.097.998.698.798.198.996.896.5

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value122712141803164117231210129812971374137313381368138413531359133614671352139413331851180617161523156415191558147415201570184417451633
Percentage of DeferredCostsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value12271214180316411723121012981297137413731338136813841353135913361266
Percentage of DeferredCostsAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.093.7

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value3917261216101142431326212723244020100484411314
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value136416810241800122011411112
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-31
Value20
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0

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Period End2020-03-312019-12-31
Value20
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0

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Period End2020-03-31
Value2
Percentage of DerivativeFairValueOfDerivativeNet79.3

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Period End2020-03-31
Value2
Percentage of DerivativeFairValueOfDerivativeNet82.8

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Period End2020-03-31
Value1
Percentage of DerivativeFairValueOfDerivativeNet37.9

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Period End2020-03-312019-12-31
Value20
Percentage of DerivativeFairValueOfDerivativeNet75.9100.0

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Period End2020-03-312019-12-31
Value20
Percentage of DerivativeFairValueOfDerivativeNet69.083.3

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Period End2020-03-31
Value0
Percentage of DerivativeFairValueOfDerivativeNet-31.0

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Period End2020-03-31
Value0
Percentage of DerivativeFairValueOfDerivativeNet-3.4

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Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3120-2
Percentage of DerivativeFairValueOfDerivativeNet113.8-216.70.00.00.0

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Period End2020-03-312019-12-312019-09-302018-12-31
Value212-1
Percentage of DerivativeFairValueOfDerivativeNet100.0-250.00.00.0

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Period End2020-03-31
Value0
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Period End2020-03-31
Value0
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Period End2020-03-31
Value60
Percentage of DerivativeNotionalAmount100.0

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Period End2020-03-31
Value60
Percentage of DerivativeNotionalAmount100.0

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Period End2020-03-31
Value30
Percentage of DerivativeNotionalAmount50.0

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Period End2020-03-31
Value50
Percentage of DerivativeNotionalAmount83.3

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Period End2020-03-31
Value50
Percentage of DerivativeNotionalAmount83.3

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Period End2020-03-31
Value50
Percentage of DerivativeNotionalAmount83.3

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Period End2020-03-31
Value30
Percentage of DerivativeNotionalAmount50.0

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Period End2020-03-31
Value10
Percentage of DerivativeNotionalAmount16.7

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value15041525154015641581159416141733
Percentage of EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302016-09-15
Value0.50.44950.44950.44950.44950.44950.44950.4905
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.06770.0540.0540.0540.0540.05780.0578
Percentage of EquityMethodInvestmentOwnershipPercentage13.512.012.012.012.012.912.9

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Period End2020-02-19
Value0.375
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.1170.1170.1170.1170.1170.1170.1170.1170.1170.1170.1110.1110.1080.1020.0970.0930.0920.0890.082
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.2240.2220.2190.2190.2160.2130.212
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1385014214139341393113953138851377113672
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssets100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-2879872000.0-2747325000.0-2814453000.0-2824656000.0-2753025000.0-2738201000.0-2782009000.0-2579113000.0
Percentage of EquityMethodInvestmentSummarizedFinancialInformationEquity100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1666216893166811668816639165551648616183
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1385014214139341393113953138851377113672
Percentage of EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity100.0100.0100.0100.0100.0100.0100.0100.0

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-1248-1196-1227-1227-1184-1168-1204-1144
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value162817311614171821972220228123022268226623312321237423672439269024422481248023532158237824582523234724331991195820012108201320001930137814611345137913901468
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value16281731161417182197222022812302226822662331232123742367243926902481
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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value214212205200235232221221247230230244239227255245240224226229230229246261
Percentage of EquityMethodInvestments13.212.212.811.710.710.59.79.610.910.29.910.610.19.610.59.19.89.19.19.810.79.710.010.7

spg:PremiumOutletCenters, spg:ShinsegaeInternationalCo, country:KR



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value1761731671621691661591551511491431391361301261221191171131101071049976
Percentage of EquityMethodInvestments10.910.010.39.47.77.57.06.76.76.66.16.05.75.55.24.64.94.74.64.75.04.44.03.1

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

spg:Forever21



Period End2020-02-19
Value67
Percentage of EquityMethodInvestments0.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RealEstateProperties

spg:EquityMethodInvesteesExcludingThoseSpecified, us-gaap:UnconsolidatedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value255328313337396425410588
Percentage of EquityMethodInvestments15.719.019.419.718.019.218.026.0

us-gaap:EquitySecuritiesFvNi



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4468757484789788
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value311295295187176175176186
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:GeneralPartnersCapitalAccount

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value21392483263028773170325333403328346236433641368340634267458545774427
Percentage of GeneralPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:GeneralPartnersCapitalAccountUnitsOutstanding

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value305306306308308309309309309311310310312313314314309
Percentage of GeneralPartnersCapitalAccountUnitsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GuaranteeObligationsByNature

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:FinancialGuarantee



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1802142112162112162152012072111922194114003763173083533463193352232262292011901791428484991011133031306160
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateDerivativeAssetsAtFairValue

spg:DeferredCostsAndOtherAssets, spg:EuroDenominatedCrossCurrencySwap, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value17141810
Percentage of InterestRateDerivativeAssetsAtFairValue100.0100.0100.0100.0

dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccount

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value325378400436479492509503523548553560617644693692741
Percentage of LimitedPartnersCapitalAccount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4646464646464746464647474747474751
Percentage of LimitedPartnersCapitalAccountUnitsOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

us-gaap:LineOfCredit

spg:EuroDenominatedNotes, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-09-30
Value91180
Percentage of LineOfCredit100.0100.0

spg:U.sDollarDenominatedNotes, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-31
Value952
Percentage of LineOfCredit1043.7

us-gaap:CommercialPaper, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-30
Value1000130013001400
Percentage of LineOfCredit1095.30.0721.80.0

us-gaap:LineOfCredit, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-30
Value3000125125125
Percentage of LineOfCredit3285.90.069.40.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

spg:CreditFacilityAndTermFacility, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-16
Value7000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

spg:TermLoan, us-gaap:UnsecuredDebt, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-16
Value2000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity28.6

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:LoansAndLeasesReceivableRelatedParties

spg:ConstructionAndOtherRelatedPartyLoans



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value787885858685868784878364331213132213141413148117315314010325
Percentage of LoansAndLeasesReceivableRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure, spg:DebtFixedRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value228002320025700224002230022400228002230022400234002200021700221002210021900222002180020400
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, spg:DebtFixedRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value228892323126844233182386522323225542215422443240032264522282226532270323482238132328321331
Percentage of LongTermDebtFairValue100.4100.1104.5104.1107.099.798.999.3100.2102.6102.9102.7102.5102.7107.2107.3106.8104.6

us-gaap:MinorityInterestInOperatingPartnerships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32537840043647949250950352354855356061764469369274172873682985884688399196897197297898398011861216953951970972983892
Percentage of MinorityInterestInOperatingPartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:NumberOfInterestRateDerivativesHeld

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-09-302015-06-302014-12-31
Value0.00.00.00.00.00.00.00.00.00.00.00.01.01.03.03.00.02.02.0
Percentage of NumberOfInterestRateDerivativesHeld0.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:NumberOfRealEstateProperties

spg:DesignerOutletProperties, spg:EuropeanJointVenture



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-01-012015-12-31
Value10.09.09.09.09.09.09.09.09.09.07.06.06.0
Percentage of NumberOfRealEstateProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:StatementGeographical

spg:CommunityLifestyleCenters, spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.03.03.03.03.0
Percentage of NumberOfRealEstateProperties40.044.444.444.444.444.444.444.444.444.40.00.00.057.10.00.00.066.70.00.00.00.0

spg:Malls, spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value99.0106.0106.0107.0107.0107.0107.0107.0107.0107.0109.0108.0108.0108.0108.0108.0107.0108.0109.0110.0110.0109.0112.0
Percentage of NumberOfRealEstateProperties990.01177.81177.81188.91188.91188.91188.91188.91188.91188.90.00.00.01542.90.00.00.01800.00.00.00.00.00.0

spg:OtherShoppingCentersOrOutletCenters, spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value18.011.011.012.012.012.013.013.013.014.013.013.013.013.07.010.013.012.013.012.014.014.015.0
Percentage of NumberOfRealEstateProperties180.0122.2122.2133.3133.3133.3144.4144.4144.4155.60.00.00.0185.70.00.00.0200.00.00.00.00.00.0

spg:PremiumAndDesignerOutlets, spg:AsiaEuropeAndCanada



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value30.029.029.029.028.0
Percentage of NumberOfRealEstateProperties300.0322.2322.2322.2311.1

spg:PremiumOutletCenters, spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value69.069.069.069.069.069.069.068.068.068.068.068.067.067.071.071.070.071.069.068.068.068.068.0
Percentage of NumberOfRealEstateProperties690.0766.7766.7766.7766.7766.7766.7755.6755.6755.60.00.00.0957.10.00.00.01183.30.00.00.00.00.0

spg:TheMills, spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value14.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.013.013.013.0
Percentage of NumberOfRealEstateProperties140.0155.6155.6155.6155.6155.6155.6155.6155.6155.60.00.00.0200.00.00.00.0233.30.00.00.00.00.00.0

us-gaap:RealEstateProperties

us-gaap:PartiallyOwnedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value18.018.018.018.018.018.019.019.019.019.019.019.017.017.017.015.015.013.013.013.013.013.013.013.015.018.018.0
Percentage of NumberOfRealEstateProperties180.0200.0200.0200.0200.0200.0211.1211.1211.1211.10.00.00.0242.90.00.00.0216.70.00.00.00.00.00.00.00.00.0

us-gaap:WhollyOwnedProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value133.0133.0133.0135.0135.0135.0135.0133.0133.0134.0134.0134.0134.0134.0134.0134.0136.0137.0135.0135.0135.0133.0134.0136.0221.0217.0220.0
Percentage of NumberOfRealEstateProperties1330.01477.81477.81500.01500.01500.01500.01477.81477.81488.90.00.00.01914.30.00.00.02283.30.00.00.00.00.00.00.00.00.0

us-gaap:StatementGeographical

spg:UnitedStatesAndPuertoRico



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value204.0204.0204.0206.0206.0206.0207.0206.0206.0207.0208.0207.0206.0206.0204.0207.0208.0209.0208.0207.0209.0207.0208.0208.0307.0308.0312.0
Percentage of NumberOfRealEstateProperties2040.02266.72266.72288.92288.92288.92300.02288.92288.92300.00.00.00.02942.90.00.00.03483.30.00.00.00.00.00.00.00.00.0

us-gaap:StatementGeographical, dei:LegalEntity

spg:UsAndAsia, spg:TaubmanRealtyGroupLimitedPartnership



Period End2020-02-09
Value26.0
Percentage of NumberOfRealEstateProperties0.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value521516518520522
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-31
Value521516
Percentage of OperatingLeaseLiability100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-03-31
Value0.04860.0487
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value457464100110171012500503499532520514492459455493369365214193248295275259280198257227231246303300226170
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value457464100110171012500503499532520514492459455493369214
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherMinorityInterests



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value366767333334454330000-1-1-144-100000-59-80-196-200-180-167
Percentage of OtherMinorityInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PartnersCapital

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value25072904307333563692378938933874402942354238428647244954532253135212
Percentage of PartnersCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PartnersCapitalAttributableToNoncontrollingInterest

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value36676733333445433304
Percentage of PartnersCapitalAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312013-12-31
Value2510291130803363369937963897387840334238424242914729495953265317521659516822
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PartnerTypeOfPartnersCapitalAccount, dei:LegalEntity

us-gaap:GeneralPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value21392483263028773170325333403328346236434267
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest85.285.385.485.585.785.785.785.885.985.986.0

us-gaap:LimitedPartner, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value325378400436479492509503523548644
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest13.013.013.013.013.013.013.113.013.012.913.0

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:NoncontrollingInterest, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value36676733335
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest0.20.20.20.20.20.20.10.10.10.10.1

us-gaap:PreferredStock, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4242424242424242424343
Percentage of PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest1.71.51.41.31.21.11.11.11.11.00.9

dei:LegalEntity

us-gaap:PreferredStockLiquidationPreferenceValue

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value39393939393939393939393939393900
Percentage of PreferredStockLiquidationPreferenceValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4242424242424242434343434343434343434343444444444444444444444444454545454545
Percentage of PreferredStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4242424242424242424343434343434343
Percentage of PreferredUnitsPreferredPartnersCapitalAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1408813905137071344413119128841263812354120741193511665113781107910865106221034410109991596649409914689508728856810309100679804954492979068910188278587838882398097787077117004
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value140881390513707134441311912884126381235412074119351166511378110791086510622103449915
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyAtCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value379013780437590374583719337092369433642936383363933592535695353093522635154343323419233463332083289832537313183102230951355983512634764346363438634252343663406333923296572876127496275222750825336
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3790137804375903745837193370923694336429363833639335925356953530935226351543433233463
Percentage of RealEstateInvestmentPropertyAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value238122389823882240142407324208243042407424308244572425924317242292436024531239882408323547235432348923391223672229322382252882505824960250912508825184252652523625335212682052119398196511979718331
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2381223898238822401424073242082430424074243082445724259243172422924360245312398823547
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value21221922623122523019719820119018618416613715915715525252525
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value21221922623122523019719820119018618416613715915725
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

spg:OtherNonControllingRedeemableInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value186193201205200204172172176164161158141112133131
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests88.088.388.789.088.788.987.187.187.386.686.386.184.781.584.083.8

us-gaap:StatementClassOfStock, dei:LegalEntity

spg:CumulativeRedeemablePreferredUnits7.50Percent, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2525252525
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests12.011.611.311.011.1

spg:OtherNonControllingRedeemableInterest, spg:SimonPropertyGroupLimitedPartnership



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value186193201205204
Percentage of TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests88.088.388.789.088.9

us-gaap:TreasuryStockCommonShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1413131211111111109997655
Percentage of TreasuryStockCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value192617731773159514351427138013801307107910681068834682427437
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity


us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents