3.20.1 html 504 332 1 true 144 0 false 8 false false R1.htm 0001000 - Document - Document And Entity Information Sheet http://www.tiaa-cref.org/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 1001000 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES Sheet http://www.tiaa-cref.org/role/ConsolidatedStatementsOfAssetsAndLiabilities CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES Statements 2 false false R3.htm 1001501 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) Sheet http://www.tiaa-cref.org/role/ConsolidatedStatementsOfAssetsAndLiabilitiesParenthetical CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.tiaa-cref.org/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 1003000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS Sheet http://www.tiaa-cref.org/role/ConsolidatedStatementsOfChangesInNetAssets CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS Statements 5 false false R6.htm 1004000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.tiaa-cref.org/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 2101100 - Disclosure - Organization and Significant Accounting Policies Sheet http://www.tiaa-cref.org/role/OrganizationAndSignificantAccountingPolicies Organization and Significant Accounting Policies Notes 7 false false R8.htm 2102100 - Disclosure - Related Party Transactions Sheet http://www.tiaa-cref.org/role/RelatedPartyTransactions Related Party Transactions Notes 8 false false R9.htm 2103100 - Disclosure - Concentrations of Risk Sheet http://www.tiaa-cref.org/role/ConcentrationsOfRisk Concentrations of Risk Notes 9 false false R10.htm 2104100 - Disclosure - Leases Sheet http://www.tiaa-cref.org/role/Leases Leases Notes 10 false false R11.htm 2105100 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis Assets and Liabilities Measured at Fair Value on a Recurring Basis Notes 11 false false R12.htm 2106100 - Disclosure - Investments in Joint Ventures Sheet http://www.tiaa-cref.org/role/InvestmentsInJointVentures Investments in Joint Ventures Notes 12 false false R13.htm 2107100 - Disclosure - Investments in Real Estate Funds Sheet http://www.tiaa-cref.org/role/InvestmentsInRealEstateFunds Investments in Real Estate Funds Notes 13 false false R14.htm 2108100 - Disclosure - Loans Receivable Sheet http://www.tiaa-cref.org/role/LoansReceivable Loans Receivable Notes 14 false false R15.htm 2109100 - Disclosure - Loans Payable Sheet http://www.tiaa-cref.org/role/LoansPayable Loans Payable Notes 15 false false R16.htm 2110100 - Disclosure - Line of Credit Sheet http://www.tiaa-cref.org/role/LineOfCredit Line of Credit Notes 16 false false R17.htm 2111100 - Disclosure - Financial Highlights Sheet http://www.tiaa-cref.org/role/FinancialHighlights Financial Highlights Notes 17 false false R18.htm 2112100 - Disclosure - Accumulation Units Sheet http://www.tiaa-cref.org/role/AccumulationUnits Accumulation Units Notes 18 false false R19.htm 2113100 - Disclosure - Commitments and Contingencies Sheet http://www.tiaa-cref.org/role/CommitmentsAndContingencies Commitments and Contingencies Notes 19 false false R20.htm 2201201 - Disclosure - Organization and Significant Accounting Policies (Policies) Sheet http://www.tiaa-cref.org/role/OrganizationAndSignificantAccountingPoliciesPolicies Organization and Significant Accounting Policies (Policies) Policies http://www.tiaa-cref.org/role/OrganizationAndSignificantAccountingPolicies 20 false false R21.htm 2302301 - Disclosure - Related Party Transactions (Tables) Sheet http://www.tiaa-cref.org/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://www.tiaa-cref.org/role/RelatedPartyTransactions 21 false false R22.htm 2303301 - Disclosure - Concentrations of Risk (Tables) Sheet http://www.tiaa-cref.org/role/ConcentrationsOfRiskTables Concentrations of Risk (Tables) Tables http://www.tiaa-cref.org/role/ConcentrationsOfRisk 22 false false R23.htm 2304301 - Disclosure - Leases (Tables) Sheet http://www.tiaa-cref.org/role/LeasesTables Leases (Tables) Tables http://www.tiaa-cref.org/role/Leases 23 false false R24.htm 2305301 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Tables) Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisTables Assets and Liabilities Measured at Fair Value on a Recurring Basis (Tables) Tables http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis 24 false false R25.htm 2306301 - Disclosure - Investments in Joint Ventures (Tables) Sheet http://www.tiaa-cref.org/role/InvestmentsInJointVenturesTables Investments in Joint Ventures (Tables) Tables http://www.tiaa-cref.org/role/InvestmentsInJointVentures 25 false false R26.htm 2307301 - Disclosure - Investments in Real Estate Funds (Tables) Sheet http://www.tiaa-cref.org/role/InvestmentsInRealEstateFundsTables Investments in Real Estate Funds (Tables) Tables http://www.tiaa-cref.org/role/InvestmentsInRealEstateFunds 26 false false R27.htm 2308301 - Disclosure - Loans Receivable (Tables) Sheet http://www.tiaa-cref.org/role/LoansReceivableTables Loans Receivable (Tables) Tables http://www.tiaa-cref.org/role/LoansReceivable 27 false false R28.htm 2309301 - Disclosure - Loans Payable (Tables) Sheet http://www.tiaa-cref.org/role/LoansPayableTables Loans Payable (Tables) Tables http://www.tiaa-cref.org/role/LoansPayable 28 false false R29.htm 2311301 - Disclosure - Financial Highlights (Tables) Sheet http://www.tiaa-cref.org/role/FinancialHighlightsTables Financial Highlights (Tables) Tables http://www.tiaa-cref.org/role/FinancialHighlights 29 false false R30.htm 2312301 - Disclosure - Accumulation Units (Tables) Sheet http://www.tiaa-cref.org/role/AccumulationUnitsTables Accumulation Units (Tables) Tables http://www.tiaa-cref.org/role/AccumulationUnits 30 false false R31.htm 2313301 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.tiaa-cref.org/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.tiaa-cref.org/role/CommitmentsAndContingencies 31 false false R32.htm 2401402 - Disclosure - Organization and Significant Accounting Policies - Narrative (Details) Sheet http://www.tiaa-cref.org/role/OrganizationAndSignificantAccountingPoliciesNarrativeDetails Organization and Significant Accounting Policies - Narrative (Details) Details http://www.tiaa-cref.org/role/OrganizationAndSignificantAccountingPoliciesPolicies 32 false false R33.htm 2402402 - Disclosure - Related Party Transactions - Narrative (Details) Sheet http://www.tiaa-cref.org/role/RelatedPartyTransactionsNarrativeDetails Related Party Transactions - Narrative (Details) Details 33 false false R34.htm 2402403 - Disclosure - Related Party Transactions - Schedule of Key Terms of the Loans (Details) Sheet http://www.tiaa-cref.org/role/RelatedPartyTransactionsScheduleOfKeyTermsOfLoansDetails Related Party Transactions - Schedule of Key Terms of the Loans (Details) Details 34 false false R35.htm 2403402 - Disclosure - Concentrations of Risk - Narrative (Details) Sheet http://www.tiaa-cref.org/role/ConcentrationsOfRiskNarrativeDetails Concentrations of Risk - Narrative (Details) Details 35 false false R36.htm 2403403 - Disclosure - Concentrations of Risk - Schedule of diversification of the Account's portfolio by region and property type (Details) Sheet http://www.tiaa-cref.org/role/ConcentrationsOfRiskScheduleOfDiversificationOfAccountsPortfolioByRegionAndPropertyTypeDetails Concentrations of Risk - Schedule of diversification of the Account's portfolio by region and property type (Details) Details 36 false false R37.htm 2404402 - Disclosure - Leases - Schedule of aggregate minimum annual rental payments (Details) Sheet http://www.tiaa-cref.org/role/LeasesScheduleOfAggregateMinimumAnnualRentalPaymentsDetails Leases - Schedule of aggregate minimum annual rental payments (Details) Details 37 false false R38.htm 2404403 - Disclosure - Leases - Schedule of right-of-use assets and lease liabilities related to ground leases (Details) Sheet http://www.tiaa-cref.org/role/LeasesScheduleOfRightOfUseAssetsAndLeaseLiabilitiesRelatedToGroundLeasesDetails Leases - Schedule of right-of-use assets and lease liabilities related to ground leases (Details) Details 38 false false R39.htm 2404404 - Disclosure - Leases - Narrative (Details) Sheet http://www.tiaa-cref.org/role/LeasesNarrativeDetails Leases - Narrative (Details) Details 39 false false R40.htm 2404405 - Disclosure - Leases - Schedule of future minimum annual payments for ground leases (Details) Sheet http://www.tiaa-cref.org/role/LeasesScheduleOfFutureMinimumAnnualPaymentsForGroundLeasesDetails Leases - Schedule of future minimum annual payments for ground leases (Details) Details 40 false false R41.htm 2405402 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of fair value assets and liabilities measured on recurring basis (Details) Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of fair value assets and liabilities measured on recurring basis (Details) Details 41 false false R42.htm 2405403 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of fair value assets and liabilities measured on recurring basis using unobservable inputs (Details) Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUsingUnobservableInputsDetails Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of fair value assets and liabilities measured on recurring basis using unobservable inputs (Details) Details 42 false false R43.htm 2405404 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of unobservable inputs related to Level 3 fair value measurements (Details) Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisScheduleOfUnobservableInputsRelatedToLevel3FairValueMeasurementsDetails Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of unobservable inputs related to Level 3 fair value measurements (Details) Details 43 false false R44.htm 2405405 - Disclosure - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of net unrealized gains included in changes in net assets attributable to investments and mortgage loans payable (Details) Sheet http://www.tiaa-cref.org/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisScheduleOfNetUnrealizedGainsIncludedInChangesInNetAssetsAttributableToInvestmentsAndMortgageLoansPayableDetails Assets and Liabilities Measured at Fair Value on a Recurring Basis - Schedule of net unrealized gains included in changes in net assets attributable to investments and mortgage loans payable (Details) Details 44 false false R45.htm 2406402 - Disclosure - Investments in Joint Ventures - Narrative (Details) Sheet http://www.tiaa-cref.org/role/InvestmentsInJointVenturesNarrativeDetails Investments in Joint Ventures - Narrative (Details) Details 45 false false R46.htm 2406403 - Disclosure - Investments in Joint Ventures - Schedule of results of operations of the joint ventures (Details) Sheet http://www.tiaa-cref.org/role/InvestmentsInJointVenturesScheduleOfResultsOfOperationsOfJointVenturesDetails Investments in Joint Ventures - Schedule of results of operations of the joint ventures (Details) Details 46 false false R47.htm 2407402 - Disclosure - Investments in Real Estate Funds (Details) Sheet http://www.tiaa-cref.org/role/InvestmentsInRealEstateFundsDetails Investments in Real Estate Funds (Details) Details http://www.tiaa-cref.org/role/InvestmentsInRealEstateFundsTables 47 false false R48.htm 2408402 - Disclosure - Loans Receivable - Scheduled of loans receivable by property type (Details) Sheet http://www.tiaa-cref.org/role/LoansReceivableScheduledOfLoansReceivableByPropertyTypeDetails Loans Receivable - Scheduled of loans receivable by property type (Details) Details 48 false false R49.htm 2408403 - Disclosure - Loans Receivable - Schedule of fair values and risk ratings (Details) Sheet http://www.tiaa-cref.org/role/LoansReceivableScheduleOfFairValuesAndRiskRatingsDetails Loans Receivable - Schedule of fair values and risk ratings (Details) Details 49 false false R50.htm 2408404 - Disclosure - Loans Receivable - Narrative (Details) Sheet http://www.tiaa-cref.org/role/LoansReceivableNarrativeDetails Loans Receivable - Narrative (Details) Details 50 false false R51.htm 2408405 - Disclosure - Loans Receivable - Schedule of Loan Receivable in Nonaccrual Status (Details) Sheet http://www.tiaa-cref.org/role/LoansReceivableScheduleOfLoanReceivableInNonaccrualStatusDetails Loans Receivable - Schedule of Loan Receivable in Nonaccrual Status (Details) Details 51 false false R52.htm 2409402 - Disclosure - Loans Payable - Schedule of outstanding loans payable (Details) Sheet http://www.tiaa-cref.org/role/LoansPayableScheduleOfOutstandingLoansPayableDetails Loans Payable - Schedule of outstanding loans payable (Details) Details 52 false false R53.htm 2410401 - Disclosure - Line of Credit - Narrative (Details) Sheet http://www.tiaa-cref.org/role/LineOfCreditNarrativeDetails Line of Credit - Narrative (Details) Details 53 false false R54.htm 2411402 - Disclosure - Financial Highlights - Schedule of condensed financial information for an accumulation unit of the account (Details) Sheet http://www.tiaa-cref.org/role/FinancialHighlightsScheduleOfCondensedFinancialInformationForAccumulationUnitOfAccountDetails Financial Highlights - Schedule of condensed financial information for an accumulation unit of the account (Details) Details 54 false false R55.htm 2412402 - Disclosure - Accumulation Units - Schedule of changes in the number of accumulation units outstanding (Details) Sheet http://www.tiaa-cref.org/role/AccumulationUnitsScheduleOfChangesInNumberOfAccumulationUnitsOutstandingDetails Accumulation Units - Schedule of changes in the number of accumulation units outstanding (Details) Details 55 false false R56.htm 2413402 - Disclosure - Commitments and Contingencies - Schedule of limited partners' callable commitments (Details) Sheet http://www.tiaa-cref.org/role/CommitmentsAndContingenciesScheduleOfLimitedPartnersCallableCommitmentsDetails Commitments and Contingencies - Schedule of limited partners' callable commitments (Details) Details 56 false false All Reports Book All Reports tiaareal-20200331.xml tiaareal-20200331.xsd tiaareal-20200331_cal.xml tiaareal-20200331_def.xml tiaareal-20200331_lab.xml tiaareal-20200331_pre.xml http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2018-01-31 http://fasb.org/srt/2019-01-31 true true