2.2.0.25falsefalse0020 - Statement - Consolidated Statements of Operations and Comprehensive IncometruefalseIn Thousands, except Per Share datafalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $D2010http://www.sec.gov/CIK0001063761duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $D2009http://www.sec.gov/CIK0001063761duration2009-01-01T00:00:002009-12-31T00:00:00SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $D2008http://www.sec.gov/CIK0001063761duration2008-01-01T00:00:002008-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$5true0us-gaap_RevenuesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseREVENUE:6false0us-gaap_MinimumRentsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse24295190002429519falsetruefalsefalsefalse2truefalsefalse23168380002316838falsetruefalsefalsefalse3truefalsefalse22919190002291919falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the minimum amount of rents earned during the period from lessees based on the terms of contractual arrangements.No authoritative reference available.falsefalseMinimum rent7false0us-gaap_OperatingLeasesIncomeStatementContingentRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse110621000110621falsefalsefalsefalsefalse2truefalsefalse8492200084922falsefalsefalsefalsefalse3truefalsefalse100222000100222falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of contingent rental revenue recognized for the period under lease, based on the occurrences of an event or condition.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 23 -Subparagraph b(iii) falsefalseOverage rent8false0us-gaap_TenantReimbursementsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse10837800001083780falsefalsefalsefalsefalse2truefalsefalse10622270001062227falsefalsefalsefalsefalse3truefalsefalse10659570001065957falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIn accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses.No authoritative reference available.falsefalseTenant reimbursements9false0spg_ManagementFeesAndOtherRevenuesspgfalsecreditdurationRevenue, comprised of base and incentive revenue, from operating and managing another entity's business during the reporting...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse121207000121207falsefalsefalsefalsefalse2truefalsefalse124059000124059falsefalsefalsefalsefalse3truefalsefalse132471000132471falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRevenue, comprised of base and incentive revenue, from operating and managing another entity's business during the reporting period; plus revenues not otherwise specified.No authoritative reference available.falsefalseManagement fees and other revenues10false0us-gaap_OtherIncomeus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse212503000212503falsefalsefalsefalsefalse2truefalsefalse187170000187170falsefalsefalsefalsefalse3truefalsefalse192586000192586falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryReflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 4 -Article 7 falsefalseOther income11false0us-gaap_Revenuesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse39576300003957630falsefalsefalsefalsefalse2truefalsefalse37752160003775216falsefalsefalsefalsefalse3truefalsefalse37831550003783155falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 truefalseTotal revenue12true0us-gaap_CostsAndExpensesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseEXPENSES:13false0us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipmentus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse414264000414264falsefalsefalsefalsefalse2truefalsefalse425703000425703falsefalsefalsefalsefalse3truefalsefalse455874000455874falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCosts incurred and are directly related to generating revenues from leased and rented property or equipment.No authoritative reference available.falsefalseProperty operating14false0us-gaap_DepreciationAndAmortizationus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse982820000982820falsefalsefalsefalsefalse2truefalsefalse997598000997598falsefalsefalsefalsefalse3truefalsefalse969477000969477falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 falsefalseDepreciation and amortization15false0us-gaap_RealEstateTaxExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse345960000345960falsefalsefalsefalsefalse2truefalsefalse333957000333957falsefalsefalsefalsefalse3truefalsefalse334657000334657falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryA tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 10 -Section A -Paragraph 2, 17 falsefalseReal estate taxes16false0us-gaap_CostOfPropertyRepairsAndMaintenanceus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse102425000102425falsefalsefalsefalsefalse2truefalsefalse9173600091736falsefalsefalsefalsefalse3truefalsefalse107879000107879falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.No authoritative reference available.falsefalseRepairs and maintenance17false0us-gaap_MarketingAndAdvertisingExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse9719400097194falsefalsefalsefalsefalse2truefalsefalse9356500093565falsefalsefalsefalsefalse3truefalsefalse9678300096783falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe total expense recognized in the period for promotion, public relations, and brand or product advertising.No authoritative reference available.falsefalseAdvertising and promotion18false0us-gaap_ProvisionForLoanLeaseAndOtherLossesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse31300003130falsefalsefalsefalsefalse2truefalsefalse2265500022655falsefalsefalsefalsefalse3truefalsefalse2403500024035falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 5 -Paragraph 168, 169, 170 -IssueDate 2006-05-01 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 falsefalseProvision for credit losses19false0spg_HomeAndRegionalOfficeCostsspgfalsedebitdurationHome and Regional Office Costs.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse109314000109314falsefalsefalsefalsefalse2truefalsefalse110048000110048falsefalsefalsefalsefalse3truefalsefalse144865000144865falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryHome and Regional Office Costs.No authoritative reference available.falsefalseHome and regional office costs20false0us-gaap_GeneralAndAdministrativeExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2126700021267falsefalsefalsefalsefalse2truefalsefalse1812400018124falsefalsefalsefalsefalse3truefalsefalse2098700020987falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.No authoritative reference available.falsefalseGeneral and administrative21false0spg_ImpairmentChargespgfalsedebitdurationThe charge against earnings resulting from the aggregate write down of all assets, except investment in unconsolidated...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse197353000197353falsefalsefalsefalsefalse3truefalsefalse1648900016489falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe charge against earnings resulting from the aggregate write down of all assets, except investment in unconsolidated entities, from their carrying value to their fair value.No authoritative reference available.falsefalseImpairment charge22false0spg_TransactionExpensesspgfalsedebitdurationThis item represents amount of transaction expenses incurred by the entity during the period.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse6897200068972falsefalsefalsefalsefalse2truefalsefalse56970005697falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis item represents amount of transaction expenses incurred by the entity during the period.No authoritative reference available.falsefalseTransaction expenses23false0us-gaap_OtherCostAndExpenseOperatingus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse6804500068045falsefalsefalsefalsefalse2truefalsefalse7208800072088falsefalsefalsefalsefalse3truefalsefalse6906100069061falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 falsefalseOther24false0us-gaap_CostsAndExpensesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse22133910002213391falsefalsefalsefalsefalse2truefalsefalse23685240002368524falsefalsefalsefalsefalse3truefalsefalse22401070002240107falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal costs of sales and operating expenses for the period.No authoritative reference available.truefalseTotal operating expenses25false0us-gaap_OperatingIncomeLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse17442390001744239falsefalsefalsefalsefalse2truefalsefalse14066920001406692falsefalsefalsefalsefalse3truefalsefalse15430480001543048falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net result for the period of deducting operating expenses from operating revenues.No authoritative reference available.truefalseOPERATING INCOME26false0us-gaap_InterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-1027091000-1027091falsefalsefalsefalsefalse2truefalsefalse-992065000-992065falsefalsefalsefalsefalse3truefalsefalse-947140000-947140falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cost of borrowed funds accounted for as interest that was charged against earnings during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 9 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 falsefalseInterest expense27false0us-gaap_GainsLossesOnExtinguishmentOfDebtus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-350688000-350688falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse-20330000-20330falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 26 -Paragraph 20, 21 falsefalseLoss on extinguishment of debt28false0us-gaap_IncomeTaxExpenseBenefitus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-1734000-1734falsefalsefalsefalsefalse2truefalsefalse52200005220falsefalsefalsefalsefalse3truefalsefalse-3581000-3581falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b falsefalseIncome tax (expense) benefit of taxable REIT subsidiaries29false0us-gaap_IncomeLossFromEquityMethodInvestmentsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse7592100075921falsefalsefalsefalsefalse2truefalsefalse4022000040220falsefalsefalsefalsefalse3truefalsefalse3224600032246falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 6 -Subparagraph b falsefalseIncome from unconsolidated entities30false0us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairmentus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-8169000-8169falsefalsefalsefalsefalse2truefalsefalse-42697000-42697falsefalsefalsefalsefalse3truefalsefalse-4683000-4683falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph h falsefalseImpairment charge from investments in unconsolidated entities31false0spg_AcquisitionOfControllingInterestSaleOrDisposalOfAssetsAndInterestsInUnconsolidatedEntitiesGainOrLossspgfalsecreditdurationIn a business combination achieved in stages, this element represents the amount of gain or loss recognized by the entity as...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse321036000321036falsefalsefalsefalsefalse2truefalsefalse-30108000-30108falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIn a business combination achieved in stages, this element represents the amount of gain or loss recognized by the entity as a result of re-measuring to fair value the equity interest in the acquiree it held before the business combination. Also includes the difference between the carrying value and the sales price for consolidated investment property and equity method investments.No authoritative reference available.falsefalseGain (loss) upon acquisition of controlling interest, and on sale or disposal of assets and interests in unconsolidated entities, net32false0us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterestus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse753514000753514falsefalsefalsefalsefalse2truefalsefalse387262000387262falsefalsefalsefalsefalse3truefalsefalse599560000599560falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 truefalseConsolidated income from continuing operations33false0us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTaxus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse-25000-25falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAfter tax income (loss) from operations of a business component (exclusive of any gain or loss on disposal, or provision therefore) during the reporting period, until its disposal.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 43 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph c falsefalseDiscontinued operations34false0us-gaap_ProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse753514000753514falsefalsefalsefalsefalse2truefalsefalse387262000387262falsefalsefalsefalsefalse3truefalsefalse599535000599535falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) truefalseCONSOLIDATED NET INCOME35false0us-gaap_NetIncomeLossAttributableToNoncontrollingInterestus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse136476000136476falsefalsefalsefalsefalse2truefalsefalse7785500077855falsefalsefalsefalsefalse3truefalsefalse135899000135899falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 falsefalseNet income attributable to noncontrolling interests36false0us-gaap_PreferredStockDividendsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse66140006614falsefalsefalsefalsefalse2truefalsefalse2630900026309falsefalsefalsefalsefalse3truefalsefalse4111900041119falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of dividends declared or paid in the period to preferred shareholders, or the amount for which the obligation to pay them dividends arose in the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section B Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph b falsefalsePreferred dividends37false0us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse610424000610424falsefalsefalsefalsefalse2truefalsefalse283098000283098falsefalsefalsefalsefalse3truefalsefalse422517000422517falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 truefalseNET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS38true0us-gaap_EarningsPerShareBasicAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseBASIC EARNINGS PER COMMON SHARE:39false0us-gaap_EarningsPerShareBasicus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse2.102.10falsetruefalsefalsefalse2truefalsefalse1.061.06falsetruefalsefalsefalse3truefalsefalse1.881.88falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalThe amount of net income or loss for the period per each share of common stock outstanding during the reporting period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 truetrueNet income attributable to common stockholders (in dollars per share)41true0us-gaap_EarningsPerShareDilutedAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseDILUTED EARNINGS PER COMMON SHARE:42false0us-gaap_EarningsPerShareDilutedus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse2.102.10falsetruefalsefalsefalse2truefalsefalse1.051.05falsetruefalsefalsefalse3truefalsefalse1.871.87falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalThe amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 11, 12, 36 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 truetrueNet income attributable to common stockholders (in dollars per share)44false0us-gaap_ProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse753514000753514falsefalsefalsefalsefalse2truefalsefalse387262000387262falsefalsefalsefalsefalse3truefalsefalse599535000599535falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) falsefalseConsolidated Net Income45false0us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2804500028045falsefalsefalsefalsefalse2truefalsefalse15090001509falsefalsefalsefalsefalse3truefalsefalse-50973000-50973falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 17, 20 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 121 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 falsefalseUnrealized gain (loss) on interest rate hedge agreements46false0us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-15769000-15769falsefalsefalsefalsefalse2truefalsefalse-14754000-14754falsefalsefalsefalsefalse3truefalsefalse-3205000-3205falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 18, 19 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 31, 46 falsefalseNet loss on derivative instruments reclassified from accumulated other comprehensive loss into interest expense47false0us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-20590000-20590falsefalsefalsefalsefalse2truefalsefalse-8244000-8244falsefalsefalsefalsefalse3truefalsefalse-6953000-6953falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAdjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of tax.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 52 -Paragraph 13, 20, 31 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 19, 26 falsefalseCurrency translation adjustments48false0spg_ChangesInAvailableForSaleSecuritiesAndOtherspgfalsecreditdurationGross appreciation or the gross loss in value of the total unsold securities at the end of an accounting period, after tax,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1993400019934falsefalsefalsefalsefalse2truefalsefalse224694000224694falsefalsefalsefalsefalse3truefalsefalse-168619000-168619falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryGross appreciation or the gross loss in value of the total unsold securities at the end of an accounting period, after tax, plus other increases (decreases) in other comprehensive income not otherwise identified.No authoritative reference available.falsefalseChanges in available-for-sale securities and other49false0us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse765134000765134falsefalsefalsefalsefalse2truefalsefalse590467000590467falsefalsefalsefalsefalse3truefalsefalse369785000369785falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a truefalseComprehensive income50false0us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterestus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse138478000138478falsefalsefalsefalsefalse2truefalsefalse119082000119082falsefalsefalsefalsefalse3truefalsefalse8930200089302falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests, if any. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A falsefalseComprehensive income attributable to noncontrolling interests51false0us-gaap_ComprehensiveIncomeNetOfTaxus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse626656000626656falsetruefalsefalsefalse2truefalsefalse471385000471385falsetruefalsefalsefalse3truefalsefalse280483000280483falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 8, 9, 10, 11, 12, 13, 14 truefalseComprehensive income attributable to common stockholders345Consolidated Statements of Operations and Comprehensive Income (USD $)ThousandsUnKnownNoRoundingUnKnownfalsetrue