10-K Filing

SIMON PROPERTY GROUP INC. CIK: 1063761 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0001047469-16-010465`
Period End Date	20151231
Filing Date	20160226
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	spg-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 72 Income Statement 171 Cash Flow Statement 113 Stockholders Equity 52

Balance Sheet 72 line items

Line Item	Tag	Value	Unit	Period
Capital stock, total shares authorized	`CapitalStockSharesAuthorized`	850.00M	shares	Point-in-time
Capital stock, total shares authorized	`CapitalStockSharesAuthorized`	850.00M	shares	Point-in-time
Investment properties at cost	`RealEstateInvestmentPropertyAtCost`	$33.46B	USD	Point-in-time
Capital stock, par value (in dollars per share)	`CapitalStockParValuePerShare`	$0.00	USD	Point-in-time
Investment properties at cost	`RealEstateInvestmentPropertyAtCost`	$31.32B	USD	Point-in-time
Capital stock, par value (in dollars per share)	`CapitalStockParValuePerShare`	$0.00	USD	Point-in-time
Capital stock, shares of excess common stock	`CapitalStockSharesOfExcessCommonStock`	238.00M	shares	Point-in-time
Capital stock, shares of excess common stock	`CapitalStockSharesOfExcessCommonStock`	238.00M	shares	Point-in-time
Less - accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$9.92B	USD	Point-in-time
Less - accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$8.95B	USD	Point-in-time
Investment properties at cost, net	`RealEstateInvestmentPropertyNet`	$23.55B	USD	Point-in-time
Capital stock, authorized shares of preferred stock	`CapitalStockAuthorizedSharesOfPreferredStock`	100.00M	shares	Point-in-time
Investment properties at cost, net	`RealEstateInvestmentPropertyNet`	$22.37B	USD	Point-in-time
Capital stock, authorized shares of preferred stock	`CapitalStockAuthorizedSharesOfPreferredStock`	100.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$612.28M	USD	Point-in-time
Preferred stock stated dividend rate percentage	`PreferredStockDividendRatePercentage`	0.08	pure	Annual
Preferred stock stated dividend rate percentage	`PreferredStockDividendRatePercentage`	0.08	pure	Annual
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$701.13M	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares authorized	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Tenant receivables and accrued revenue, net	`AccountsAndNotesReceivableNet`	$580.20M	USD	Point-in-time
Tenant receivables and accrued revenue, net	`AccountsAndNotesReceivableNet`	$624.61M	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares authorized	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares issued	`PreferredStockSharesIssued`	796,948.00	shares	Point-in-time
Investment in unconsolidated entities, at equity	`EquityMethodInvestments`	$2.48B	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares issued	`PreferredStockSharesIssued`	796,948.00	shares	Point-in-time
Investment in unconsolidated entities, at equity	`EquityMethodInvestments`	$2.38B	USD	Point-in-time
Investment in Klepierre, at equity	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$1.94B	USD	Point-in-time
Investment in Klepierre, at equity	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$1.79B	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	796,948.00	shares	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	796,948.00	shares	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, liquidation value (in dollars)	`PreferredStockLiquidationPreferenceValue`	$39.85M	USD	Point-in-time
Deferred costs and other assets	`DeferredCostsAndOtherAssets`	$1.35B	USD	Point-in-time
Deferred costs and other assets	`DeferredCostsAndOtherAssets`	$1.81B	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, liquidation value (in dollars)	`PreferredStockLiquidationPreferenceValue`	$39.85M	USD	Point-in-time
Total assets	`Assets`	$30.65B	USD	Point-in-time
Total assets	`Assets`	$29.53B	USD	Point-in-time
Mortgages and unsecured indebtedness	`DebtAndCapitalLeaseObligations`	$22.50B	USD	Point-in-time
Mortgages and unsecured indebtedness	`DebtAndCapitalLeaseObligations`	$20.85B	USD	Point-in-time
Accounts payable, accrued expenses, intangibles, and deferred revenues	`AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues`	$1.26B	USD	Point-in-time
Accounts payable, accrued expenses, intangibles, and deferred revenues	`AccountsPayableAccruedExpensesIntangiblesAndDeferredRevenues`	$1.32B	USD	Point-in-time
Cash distributions and losses in partnerships and joint ventures, at equity	`CashDistributionsAndLossesInPartnershipsAndJointVenturesAtEquity`	$1.37B	USD	Point-in-time
Common stock held in treasury, shares	`TreasuryStockShares`	5.39M	shares	Point-in-time
Cash distributions and losses in partnerships and joint ventures, at equity	`CashDistributionsAndLossesInPartnershipsAndJointVenturesAtEquity`	$1.17B	USD	Point-in-time
Common stock held in treasury, shares	`TreasuryStockShares`	3.54M	shares	Point-in-time
Other liabilities	`OtherLiabilities`	$214.25M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$275.45M	USD	Point-in-time
Total liabilities	`Liabilities`	$25.41B	USD	Point-in-time
Total liabilities	`Liabilities`	$23.56B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Limited partners' preferred interest in the Operating Partnership	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	$25.54M	USD	Point-in-time
Limited partners' preferred interest in the Operating Partnership	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	$25.54M	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, 1,000,000 shares authorized, 796,948 issued and outstanding with a liquidation value of $ 39,847	`PreferredStockValue`	$43.73M	USD	Point-in-time
Series J 8 3/8% cumulative redeemable preferred stock, 1,000,000 shares authorized, 796,948 issued and outstanding with a liquidation value of $ 39,847	`PreferredStockValue`	$44.06M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapital`	$9.42B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapital`	$9.38B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-4.21B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-4.27B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-61.04M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-252.69M	USD	Point-in-time
Common stock held in treasury at cost, 5,394,345 and 3,540,754 shares, respectively	`TreasuryStockValue`	$437.13M	USD	Point-in-time
Common stock held in treasury at cost, 5,394,345 and 3,540,754 shares, respectively	`TreasuryStockValue`	$103.93M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.47B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$5.09B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$858.33M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$744.90M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.22B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.82B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.95B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$30.65B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$29.53B	USD	Point-in-time

Income Statement 171 line items

Line Item	Tag	Value	Unit	Period
Minimum rent	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$3.14B	USD	Annual
Minimum rent	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$2.96B	USD	Annual
Minimum rent	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$2.78B	USD	Annual
Overage rent	`OperatingLeasesIncomeStatementContingentRevenue`	$207.10M	USD	Annual
Overage rent	`OperatingLeasesIncomeStatementContingentRevenue`	$214.76M	USD	Annual
Overage rent	`OperatingLeasesIncomeStatementContingentRevenue`	$194.07M	USD	Annual
Tenant reimbursements	`TenantReimbursements`	$1.26B	USD	Annual
Tenant reimbursements	`TenantReimbursements`	$1.45B	USD	Annual
Tenant reimbursements	`TenantReimbursements`	$1.36B	USD	Annual
Management fees and other revenues	`ManagementFeesAndOtherRevenues`	$126.97M	USD	Annual
Management fees and other revenues	`ManagementFeesAndOtherRevenues`	$138.23M	USD	Annual
Management fees and other revenues	`ManagementFeesAndOtherRevenues`	$158.47M	USD	Annual
Other income	`OtherIncome`	$325.60M	USD	Annual
Other income	`OtherIncome`	$200.78M	USD	Annual
Other income	`OtherIncome`	$168.03M	USD	Annual
Total revenue	`Revenues`	$1.16B	USD	1 Quarter
Total revenue	`Revenues`	$1.32B	USD	1 Quarter
Total revenue	`Revenues`	$4.87B	USD	Annual
Total revenue	`Revenues`	$1.23B	USD	1 Quarter
Total revenue	`Revenues`	$1.18B	USD	1 Quarter
Total revenue	`Revenues`	$4.54B	USD	Annual
Total revenue	`Revenues`	$1.38B	USD	1 Quarter
Total revenue	`Revenues`	$5.27B	USD	Annual
Total revenue	`Revenues`	$1.22B	USD	1 Quarter
Total revenue	`Revenues`	$1.35B	USD	1 Quarter
Total revenue	`Revenues`	$1.30B	USD	1 Quarter
Property operating	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$425.98M	USD	Annual
Property operating	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$398.60M	USD	Annual
Property operating	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$371.04M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.14B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.11B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$1.18B	USD	Annual
Real estate taxes	`RealEstateTaxExpense`	$432.84M	USD	Annual
Real estate taxes	`RealEstateTaxExpense`	$384.19M	USD	Annual
Real estate taxes	`RealEstateTaxExpense`	$368.68M	USD	Annual
Repairs and maintenance	`CostOfPropertyRepairsAndMaintenance`	$98.22M	USD	Annual
Repairs and maintenance	`CostOfPropertyRepairsAndMaintenance`	$100.02M	USD	Annual
Repairs and maintenance	`CostOfPropertyRepairsAndMaintenance`	$101.37M	USD	Annual
Advertising and promotion	`MarketingAndAdvertisingExpense`	$117.89M	USD	Annual
Advertising and promotion	`MarketingAndAdvertisingExpense`	$136.66M	USD	Annual
Advertising and promotion	`MarketingAndAdvertisingExpense`	$134.85M	USD	Annual
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$7.17M	USD	Annual
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$12.00M	USD	Annual
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$6.63M	USD	Annual
Home and regional office costs	`HomeAndRegionalOfficeCosts`	$154.82M	USD	Annual
Home and regional office costs	`HomeAndRegionalOfficeCosts`	$140.93M	USD	Annual
Home and regional office costs	`HomeAndRegionalOfficeCosts`	$158.58M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$59.80M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$59.96M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$60.33M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$91.66M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$83.74M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$102.84M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.49B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.36B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.60B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$702.38M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$607.56M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$709.73M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$599.17M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$560.97M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$561.53M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$655.29M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$2.39B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$2.19B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$657.59M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$2.67B	USD	Annual
Interest expense	`InterestExpense`	$923.70M	USD	Annual
Interest expense	`InterestExpense`	$1.08B	USD	Annual
Interest expense	`InterestExpense`	$992.60M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-120.95M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-127.57M	USD	Annual
Income and other taxes	`IncomeTaxExpenseBenefit`	$39.54M	USD	Annual
Income and other taxes	`IncomeTaxExpenseBenefit`	$28.09M	USD	Annual
Income and other taxes	`IncomeTaxExpenseBenefit`	$20.17M	USD	Annual
Income from unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsAfterTax`	$206.38M	USD	Annual
Income from unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsAfterTax`	$284.81M	USD	Annual
Income from unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsAfterTax`	$226.77M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLoss`	$158.31M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLoss`	$93.36M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLoss`	$250.52M	USD	Annual
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$296.96M	USD	1 Quarter
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$489.61M	USD	1 Quarter
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$1.37B	USD	Annual
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$475.99M	USD	1 Quarter
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$2.14B	USD	Annual
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$359.60M	USD	1 Quarter
Consolidated income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$1.62B	USD	Annual
Discontinued operations and gain on disposal	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$184.80M	USD	Annual
Discontinued operations and gain on disposal	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$67.52M	USD	Annual
Discontinued operations transaction expenses	`DiscontinuedOperationTransactionExpensesOfDiscontinuedOperationNetOfTax`	$38.16M	USD	Annual
CONSOLIDATED NET INCOME	`ProfitLoss`	$554.53M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$477.47M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$2.14B	USD	Annual
CONSOLIDATED NET INCOME	`ProfitLoss`	$459.92M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$296.96M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$401.10M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$1.65B	USD	Annual
CONSOLIDATED NET INCOME	`ProfitLoss`	$492.50M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$475.99M	USD	1 Quarter
CONSOLIDATED NET INCOME	`ProfitLoss`	$1.55B	USD	Annual
CONSOLIDATED NET INCOME	`ProfitLoss`	$632.43M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$311.65M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$231.95M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$242.94M	USD	Annual
Preferred dividends	`PreferredStockDividendsAndOtherAdjustments`	$3.34M	USD	Annual
Preferred dividends	`PreferredStockDividendsAndOtherAdjustments`	$3.34M	USD	Annual
Preferred dividends	`PreferredStockDividendsAndOtherAdjustments`	$3.34M	USD	Annual
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$392.30M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$405.05M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$539.13M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.32B	USD	Annual
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.41B	USD	Annual
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$406.59M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$341.65M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.82B	USD	Annual
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$420.01M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$251.97M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$472.94M	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$0.81	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$1.30	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$0.99	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$1.34	USD	1 Quarter
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$5.88	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$4.44	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$3.73	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	$0.08	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	$0.51	USD	Annual
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$5.88	USD	Annual
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.73	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$0.81	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.52	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.30	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.10	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$4.52	USD	Annual
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.27	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.31	USD	1 Quarter
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$4.24	USD	Annual
Net income attributable to common stockholders (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$1.36	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$554.53M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$477.47M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$459.92M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$296.96M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$632.43M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$2.14B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$1.65B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$492.50M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$475.99M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$1.55B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$401.10M	USD	1 Quarter
Unrealized gain on derivative hedge agreements	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$7.10M	USD	Annual
Unrealized gain on derivative hedge agreements	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$5.22M	USD	Annual
Unrealized gain on derivative hedge agreements	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$17.12M	USD	Annual
Net (gain) loss reclassified from accumulated other comprehensive loss into earnings	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$69.19M	USD	Annual
Net (gain) loss reclassified from accumulated other comprehensive loss into earnings	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-10.79M	USD	Annual
Net (gain) loss reclassified from accumulated other comprehensive loss into earnings	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-9.21M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-160.31M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.87M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-101.80M	USD	Annual
Changes in available-for-sale securities and other	`ChangesInAvailableForSaleSecuritiesAndOther`	$102.82M	USD	Annual
Changes in available-for-sale securities and other	`ChangesInAvailableForSaleSecuritiesAndOther`	$-11.20M	USD	Annual
Changes in available-for-sale securities and other	`ChangesInAvailableForSaleSecuritiesAndOther`	$-1.48M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.67B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.57B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.92B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$279.72M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$245.21M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$234.54M	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$1.42B	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$1.33B	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$1.64B	USD	Annual

Cash Flow Statement 113 line items

Line Item	Tag	Value	Unit	Period
Consolidated Net Income	`ProfitLoss`	$1.55B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$475.99M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$492.50M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$1.65B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$401.10M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$632.43M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$296.96M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$459.92M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$2.14B	USD	Annual
Consolidated Net Income	`ProfitLoss`	$477.47M	USD	1 Quarter
Consolidated Net Income	`ProfitLoss`	$554.53M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortizationCashFlows`	$1.24B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationCashFlows`	$1.29B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationCashFlows`	$1.33B	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-127.57M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-120.95M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossIncludingDiscontinuedOperations`	$107.52M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossIncludingDiscontinuedOperations`	$158.55M	USD	Annual
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	`AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossIncludingDiscontinuedOperations`	$250.52M	USD	Annual
Gain on sale of marketable securities	`GainLossOnInvestments`	$80.19M	USD	Annual
Straight-line rent	`StraightLineRent`	$48.88M	USD	Annual
Straight-line rent	`StraightLineRent`	$54.13M	USD	Annual
Straight-line rent	`StraightLineRent`	$48.26M	USD	Annual
Equity in income of unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsIncludingDiscontinuedOperations`	$227.43M	USD	Annual
Equity in income of unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsIncludingDiscontinuedOperations`	$205.26M	USD	Annual
Equity in income of unconsolidated entities	`IncomeLossFromEquityMethodInvestmentsIncludingDiscontinuedOperations`	$284.81M	USD	Annual
Distributions of income from unconsolidated entities	`EquityMethodInvestmentDividendsOrDistributions`	$202.27M	USD	Annual
Distributions of income from unconsolidated entities	`EquityMethodInvestmentDividendsOrDistributions`	$272.00M	USD	Annual
Distributions of income from unconsolidated entities	`EquityMethodInvestmentDividendsOrDistributions`	$179.05M	USD	Annual
Tenant receivables and accrued revenue, net	`IncreaseDecreaseInAccountsAndNotesReceivable`	$-9.92M	USD	Annual
Tenant receivables and accrued revenue, net	`IncreaseDecreaseInAccountsAndNotesReceivable`	$6.73M	USD	Annual
Tenant receivables and accrued revenue, net	`IncreaseDecreaseInAccountsAndNotesReceivable`	$13.94M	USD	Annual
Deferred costs and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$30.01M	USD	Annual
Deferred costs and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$122.68M	USD	Annual
Deferred costs and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$65.57M	USD	Annual
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	`IncreaseDecreaseInAccountsPayableAccruedExpensesIntangiblesDeferredRevenuesAndOtherLiabilities`	$35.54M	USD	Annual
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	`IncreaseDecreaseInAccountsPayableAccruedExpensesIntangiblesDeferredRevenuesAndOtherLiabilities`	$42.39M	USD	Annual
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	`IncreaseDecreaseInAccountsPayableAccruedExpensesIntangiblesDeferredRevenuesAndOtherLiabilities`	$-29.58M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.02B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.70B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.73B	USD	Annual
Acquisitions	`PaymentsToAcquireRealEstateAndRealEstateJointVentures`	$1.41B	USD	Annual
Acquisitions	`PaymentsToAcquireRealEstateAndRealEstateJointVentures`	$85.46M	USD	Annual
Acquisitions	`PaymentsToAcquireRealEstateAndRealEstateJointVentures`	$866.54M	USD	Annual
Funding of loans to related parties	`OriginationOfNotesReceivableFromRelatedParties`	$99.08M	USD	Annual
Funding of loans to related parties	`OriginationOfNotesReceivableFromRelatedParties`	$50.89M	USD	Annual
Repayments of loans to related parties	`RepaymentOfNotesReceivableFromRelatedParties`	$170.95M	USD	Annual
Capital expenditures, net	`PaymentsForProceedsFromProductiveAssets`	$841.21M	USD	Annual
Capital expenditures, net	`PaymentsForProceedsFromProductiveAssets`	$796.74M	USD	Annual
Capital expenditures, net	`PaymentsForProceedsFromProductiveAssets`	$1.02B	USD	Annual
Cash impact from the consolidation of properties	`CashFromAcquisitionsAndCashImpactOfPropertyConsolidationAndDeconsolidation`	$-5.40M	USD	Annual
Net proceeds from sale of assets	`ProceedsFromSaleOfPartnershipInterestsOtherAssetsAndDiscontinuedOperationsNet`	$274.06M	USD	Annual
Net proceeds from sale of assets	`ProceedsFromSaleOfPartnershipInterestsOtherAssetsAndDiscontinuedOperationsNet`	$33.02M	USD	Annual
Investments in unconsolidated entities	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$239.83M	USD	Annual
Investments in unconsolidated entities	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$329.93M	USD	Annual
Investments in unconsolidated entities	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$143.15M	USD	Annual
Purchase of marketable and non-marketable securities	`PaymentsToAcquireInvestments`	$44.12M	USD	Annual
Purchase of marketable and non-marketable securities	`PaymentsToAcquireInvestments`	$59.52M	USD	Annual
Purchase of marketable and non-marketable securities	`PaymentsToAcquireInvestments`	$391.19M	USD	Annual
Proceeds from sale of marketable and non-marketable securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$47.49M	USD	Annual
Proceeds from sale of marketable and non-marketable securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$504.01M	USD	Annual
Distributions of capital from unconsolidated entities and other	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$821.51M	USD	Annual
Distributions of capital from unconsolidated entities and other	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$724.45M	USD	Annual
Distributions of capital from unconsolidated entities and other	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$490.48M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.46B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-948.09M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-897.27M	USD	Annual
Proceeds from sales of common stock and other, net of transaction costs	`ProceedsFromIssuanceOrSaleOfEquity`	$-285.00K	USD	Annual
Proceeds from sales of common stock and other, net of transaction costs	`ProceedsFromIssuanceOrSaleOfEquity`	$277.00K	USD	Annual
Proceeds from sales of common stock and other, net of transaction costs	`ProceedsFromIssuanceOrSaleOfEquity`	$99.00K	USD	Annual
Purchase of shares related to stock grant recipients' tax withholdings	`PaymentsForRepurchaseOfTreasuryStock`	$3.30M	USD	Annual
Cash impact of Washington Prime spin-off	`PaymentOfCashToBeRetainedBySubsidiary`	$33.78M	USD	Annual
Redemption of limited partner units	`RedemptionOfLimitedPartnerUnits`	$14.44M	USD	Annual
Purchase of limited partner units and treasury stock	`PaymentsForPurchaseOfLimitedPartnerUnitsAndTreasuryStock`	$505.69M	USD	Annual
Purchase of noncontrolling interest in consolidated properties and other	`PaymentsForPurchaseOfNoncontrollingInterestInConsolidatedProperties`	$172.65M	USD	Annual
Distributions to noncontrolling interest holders in properties	`PaymentsToMinorityShareholders`	$8.04M	USD	Annual
Distributions to noncontrolling interest holders in properties	`PaymentsToMinorityShareholders`	$9.34M	USD	Annual
Distributions to noncontrolling interest holders in properties	`PaymentsToMinorityShareholders`	$21.26M	USD	Annual
Contributions from noncontrolling interest holders in properties	`ProceedsFromMinorityShareholders`	$4.55M	USD	Annual
Contributions from noncontrolling interest holders in properties	`ProceedsFromMinorityShareholders`	$6.05M	USD	Annual
Contributions from noncontrolling interest holders in properties	`ProceedsFromMinorityShareholders`	$1.74M	USD	Annual
Preferred distributions of the Operating Partnership	`DistributionsToPreferredUnitHoldersFinancingActivities`	$1.92M	USD	Annual
Preferred distributions of the Operating Partnership	`DistributionsToPreferredUnitHoldersFinancingActivities`	$1.92M	USD	Annual
Preferred distributions of the Operating Partnership	`DistributionsToPreferredUnitHoldersFinancingActivities`	$1.92M	USD	Annual
Preferred dividends and distributions to stockholders	`PaymentsOfOrdinaryDividends`	$1.60B	USD	Annual
Preferred dividends and distributions to stockholders	`PaymentsOfOrdinaryDividends`	$1.45B	USD	Annual
Preferred dividends and distributions to stockholders	`PaymentsOfOrdinaryDividends`	$1.88B	USD	Annual
Distributions to limited partners	`PaymentsOfDividendsMinorityInterest`	$271.64M	USD	Annual
Distributions to limited partners	`PaymentsOfDividendsMinorityInterest`	$242.60M	USD	Annual
Distributions to limited partners	`PaymentsOfDividendsMinorityInterest`	$314.94M	USD	Annual
Loss on debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	$127.57M	USD	Annual
Loss on debt extinguishment	`PaymentsOfDebtExtinguishmentCosts`	$120.95M	USD	Annual
Proceeds from issuance of debt, net of transaction costs	`ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet`	$3.63B	USD	Annual
Proceeds from issuance of debt, net of transaction costs	`ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet`	$10.47B	USD	Annual
Proceeds from issuance of debt, net of transaction costs	`ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet`	$2.92B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$2.45B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$5.32B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$9.11B	USD	Annual
Proceeds from issuance of debt related to Washington Prime properties, net	`ProceedsFromDebtNetOfIssuanceCosts`	$1.00B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.94B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.22B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.47B	USD	Annual
INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$88.85M	USD	Annual
INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.10B	USD	Annual
INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$532.35M	USD	Annual
CASH AND CASH EQUIVALENTS, beginning of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$612.28M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, beginning of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$1.72B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, beginning of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$701.13M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, beginning of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$1.18B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, end of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$1.18B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, end of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$612.28M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, end of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$701.13M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, end of period	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$1.72B	USD	Point-in-time

Stockholders Equity 52 line items

Line Item	Tag	Value	Unit	Period
Exchange of limited partner units, common shares	`StockIssuedDuringPeriodSharesConversionOfUnits`	70,291.00	shares	Annual
Exchange of limited partner units, common shares	`StockIssuedDuringPeriodSharesConversionOfUnits`	596,051.00	shares	Annual
Exchange of limited partner units, common shares	`StockIssuedDuringPeriodSharesConversionOfUnits`	489,291.00	shares	Annual
Stock options exercised, common shares	`StockIssuedDuringPeriodSharesStockOptionsExercised`	1,567.00	shares	Annual
Stock incentive program, shares, net	`StockIssuedDuringPeriodSharesShareBasedCompensation`	63,738.00	shares	Annual
Stock incentive program, shares, net	`StockIssuedDuringPeriodSharesShareBasedCompensation`	83,509.00	shares	Annual
Stock incentive program, shares, net	`StockIssuedDuringPeriodSharesShareBasedCompensation`	107,123.00	shares	Annual
Treasury stock purchase, shares	`TreasuryStockSharesAcquired`	1.90M	shares	Annual
Issuance of unit equivalents and other, shares	`SharesPurchasedOutOfTreasuryStock`	25,545.00	shares	Annual
Issuance of unit equivalents and other, shares	`SharesPurchasedOutOfTreasuryStock`	17,030.00	shares	Annual
Adjustment to limited partners' interest from change in ownership in Operating Partnership, related to spin-off of Washington Prime	`AdjustmentToLimitedPartnersInterestFromChangeOfOwnershipRelatedToSpinoff`	$118.31M	USD	Annual
Net income attributable to preferred interests in the Operating Partnership (in dollars)	`NetIncomeLossAttributableToPreferredInterestInOperatingPartnership`	$1.92M	USD	Annual
Net income attributable to preferred interests in the Operating Partnership (in dollars)	`NetIncomeLossAttributableToPreferredInterestInOperatingPartnership`	$1.92M	USD	Annual
Net income attributable to preferred interests in the Operating Partnership (in dollars)	`NetIncomeLossAttributableToPreferredInterestInOperatingPartnership`	$1.92M	USD	Annual
Net income attributable to noncontrolling redeemable interests in properties (in dollars)	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$8.86M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.22B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.89B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.82B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.95B	USD	Point-in-time
Stock options exercised (1,567 common shares)	`StockIssuedDuringPeriodValueStockOptionsExercised`	$90.00K	USD	Annual
Issuance of limited partner units	`PartnersCapitalAccountAcquisitionsExchangesAndConversions`	$84.91M	USD	Annual
Series J preferred stock premium amortization	`PreferredStockPremiumAmortization`	$328.00K	USD	Annual
Series J preferred stock premium amortization	`PreferredStockPremiumAmortization`	$329.00K	USD	Annual
Series J preferred stock premium amortization	`PreferredStockPremiumAmortization`	$329.00K	USD	Annual
Redemption of limited partner units	`RedemptionOfLimitedPartnerUnitsDuringPeriodValue`	$162.68M	USD	Annual
Redemption of limited partner units	`RedemptionOfLimitedPartnerUnitsDuringPeriodValue`	$14.44M	USD	Annual
Amortization of stock incentive	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization`	$18.26M	USD	Annual
Amortization of stock incentive	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization`	$18.31M	USD	Annual
Amortization of stock incentive	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationAmortization`	$13.69M	USD	Annual
Spin-off of Washington Prime	`StockholdersEquityNoteSpinoffTransaction`	$-812.76M	USD	Annual
Treasury stock purchase (1,903,340 shares in 2015)	`TreasuryStockValueAcquiredCostMethod`	$343.01M	USD	Annual
Long-term incentive performance units	`UnitsIssuedDuringPeriodValueShareBasedCompensation`	$47.28M	USD	Annual
Long-term incentive performance units	`UnitsIssuedDuringPeriodValueShareBasedCompensation`	$49.94M	USD	Annual
Issuance of unit equivalents and other, net (17, 030 common shares repurchased in 2015, 25,545 common shares issued in 2014)	`IssuanceOfUnitEquivalentsAndStockholdersEquityOther`	$-30.97M	USD	Annual
Issuance of unit equivalents and other, net (17, 030 common shares repurchased in 2015, 25,545 common shares issued in 2014)	`IssuanceOfUnitEquivalentsAndStockholdersEquityOther`	$-41.88M	USD	Annual
Issuance of unit equivalents and other, net (17, 030 common shares repurchased in 2015, 25,545 common shares issued in 2014)	`IssuanceOfUnitEquivalentsAndStockholdersEquityOther`	$6.01M	USD	Annual
Distributions to common shareholders and limited partners, excluding Operating Partnership preferred interests	`DistributionMadeToLimitedPartnerCashDistributionsDeclared`	$1.69B	USD	Annual
Distributions to common shareholders and limited partners, excluding Operating Partnership preferred interests	`DistributionMadeToLimitedPartnerCashDistributionsDeclared`	$1.88B	USD	Annual
Distributions to common shareholders and limited partners, excluding Operating Partnership preferred interests	`DistributionMadeToLimitedPartnerCashDistributionsDeclared`	$2.19B	USD	Annual
Distribution to other noncontrolling interest partners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$285.00K	USD	Annual
Distribution to other noncontrolling interest partners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$19.07M	USD	Annual
Distribution to other noncontrolling interest partners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.84M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-223.58M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$17.69M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$17.03M	USD	Annual
Net income, excluding $1,915, $1,915 and $1,915 attributable to preferred interests in the Operating Partnership during 2015, 2014 and 2013, respectively and $8,858 attributable to noncontrolling redeemable interests in properties in 2013)	`NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnership`	$1.54B	USD	Annual
Net income, excluding $1,915, $1,915 and $1,915 attributable to preferred interests in the Operating Partnership during 2015, 2014 and 2013, respectively and $8,858 attributable to noncontrolling redeemable interests in properties in 2013)	`NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnership`	$2.14B	USD	Annual
Net income, excluding $1,915, $1,915 and $1,915 attributable to preferred interests in the Operating Partnership during 2015, 2014 and 2013, respectively and $8,858 attributable to noncontrolling redeemable interests in properties in 2013)	`NetIncomeLossExcludingAmountAttributableToPreferredInterestsInOperatingPartnership`	$1.65B	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.89B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.82B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.22B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.95B	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.