Liabilities / Assets
94th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 36-6025539 • 4947(a)1 • PO Box Chicago, IL
Profile
To support organizations listed in schedule a part i
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
94th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
33rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
19th percentile
Higher net margin than 19% of similar nonprofits.
Top Officer Pay
76th percentile
Higher top officer pay than 76% of similar nonprofits.
Top officer pay equals 44.6% of source-year revenue.
Asset Growth
26th percentile
Faster asset growth than 26% of similar nonprofits.
Revenue Growth
11th percentile
Faster revenue growth than 11% of similar nonprofits.
Assets
Down$2,249,086
Down $25,491 (-1.1%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Down$2,249,086
Down $25,491 (-1.1%) from 2024
Revenue
Down$66,087
Down $29,874 (-31%) from 2024
Expenses
Up$91,638
Up $733 (+0.8%) from 2024
Net Income
Down-$25,551
Down $30,607 (-605%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To support organizations listed in schedule a part i
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cap Stk Tr Prin Current Funds | $2,274,577 | $2,249,086 | ▼ $25,491 |
| Investments in Publicly Traded Securities | $2,215,535 | $2,177,542 | ▼ $37,993 |
| Savings and Temporary Cash Investments | $59,042 | $71,544 | ▲ $12,502 |
| Total Assets | $2,274,577 | $2,249,086 | ▼ $25,491 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $2,274,577 | $2,249,086 | ▼ $25,491 |
| Total Liabilities and Net Assets / Fund Balance | $2,274,577 | $2,249,086 | ▼ $25,491 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| The Northern Trust Company | Trustee | FT | $29,500 | $29,500 |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $59,243 |
| Salaries, Compensation, and Employee Benefits | $27,397 |
| Other Expenses | $4,998 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $59,243 | - | - | $59,243 |
| Current Officers, Directors, Trustees, and Key Employees | $20,548 | $6,849 | - | $27,397 |
| Fees for Services Accounting | - | $2,500 | - | $2,500 |
| Fees for Service Investment Mgmnt Fees | - | $2,103 | - | $2,103 |
| Other Expenses | - | $380 | - | $380 |
| Total Functional Expenses | $79,791 | $11,847 | $0 | $91,638 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| University of Chicago | Chicago, IL | 501(c)(3) | University of Chicago - to Defray Costs Associated With the Maintencance of the Hospitals That Provide Free Treatment & Care of Poor Patients Admitted to the University of Chicago. | $59,243 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Copy of tax return sent to trustee for review and comment”
“ANNUAL CONFIRMATION”
“UPON REQUEST”
“Annie durand died around 1900 leaving a will which left the residue to tnt as trustee. There were no specific provisions other than the stat ement that the trust funds were intended "to be used to erect hospital s in two of the poorest and most thickly settled part of chicago". Ove r the years, a number of court approved agreements were entered into b y tnt and other parties, including the university of chicago, to erect and operate hospitals.”
“University of chicago hospitals (uch) was determined as successor in i nterest for purposes of the durand trust. Tnt continues to hold the p rincipal in perpetuity and distributes the net income to uch.”
“2023 transactions posted in 2024 $269; 2024 transactions posted in 2025 ($207); rounding ($2)”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO SUPPORT ORGANIZATIONS LISTED IN SCHEDULE A PART I |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | NORTHERN TRUST COMPANY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3126306000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 803878 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CHICAGO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60680 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 2274577 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 2249086 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 6849 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 20548 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 27397 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 59243 |
| IRS990/CYInvestmentIncomeAmt | 0 | 66087 |
| IRS990/CYOtherExpensesAmt | 0 | 4998 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -25551 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 27397 |
| IRS990/CYTotalExpensesAmt | 0 | 91638 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 66087 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | UNIVERSITY OF CHICAGO - TO DEFRAY COSTS ASSOCIATED WITH THE MAINTENCANCE OF THE HOSPITALS THAT PROVIDE FREE TREATMENT & CARE OF POOR PATIENTS ADMITTED TO THE UNIVERSITY OF CHICAGO. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExcsTaxSect4951Or4952Or4953Ind | 0 | false |
| IRS990/ExpenseAmt | 0 | 79791 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2500 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2500 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 2103 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 2103 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | THE NORTHERN TRUST COMPANY |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 29500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1907 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -10980 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 1 |
| IRS990/GrantAmt | 0 | 59243 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 59243 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 59243 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 608386 |
| IRS990/GrossReceiptsAmt | 0 | 685453 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 77067 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 77067 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2215535 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2177542 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 619366 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO SUPPORT ORGANIZATIONS LISTED IN SCHEDULE A PART I |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2274577 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2249086 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -10980 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -10980 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization4947a1NotPFInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | true |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 60 |
| IRS990/OtherExpensesGrp/Desc | 0 | ATTORNEY GENERAL |
| IRS990/OtherExpensesGrp/Desc | 1 | FOREIGN TAX |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 15 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 380 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 15 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 380 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | SAME AS 'C' ABOVE |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 59948 |
| IRS990/PYInvestmentIncomeAmt | 0 | 95961 |
| IRS990/PYOtherExpensesAmt | 0 | 4811 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 5056 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 26146 |
| IRS990/PYTotalExpensesAmt | 0 | 90905 |
| IRS990/PYTotalRevenueAmt | 0 | 95961 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -25551 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 59042 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 71544 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/AdjustedGrossIncomeGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/DepreciationDepletionGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/NetSTCapitalGainAdjNetIncmGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/OtherExpensesGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/OtherGrossIncomeGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/ProductionIncomeGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/RecoveriesPYDistributionsGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/AdjustedNetIncomeGrp/TotalAdjustedNetIncomeGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYAdjNetIncomeDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYGreaterAdjustedMinimumAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYIncomeTaxImposedPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYPct85AdjustedNetIncomeAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYTotalMinAstDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CarryoverPYNotAppliedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYDistribAppUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CyovAppliedUnderdistrCPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CyovAppliedUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYTotalAnnualDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr1Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr2Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr3Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr4Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr5Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistriCyovToNextYrAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear1Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear2Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear3Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear4Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear5Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/RemainingUnderdistriCYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/RemainingUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/TotalExcessDistributionCyovAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/UnderdistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYAdministrativeExpensePaidAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistriAttentiveSuprtOrgAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistributionYrRt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYOtherDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYPaidAccomplishExemptPrpsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYPdInExcessIncomeActivityAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYTotalAnnualDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/ExemptUseAssetsAcquisPaidAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/QualifiedSetAsideAmt | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | true |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | false |
| IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/OfficersCloseRelationshipInd | 0 | false |
| IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/SupportedOrgVoiceInvestmentInd | 0 | true |
| IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/TimelyProvidedDocumentsInd | 0 | true |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | NORTHERN TRUST MAINTAINED A CLOSE AND CONTINUOUS RELATIONSHIP VIA COMMUNICATION BY EMAIL, PHONE OR FACE TO FACE MEETINGS WITH THE PORTFOLIO MANAGER, CLIENT ADVISOR AND/OR MANAGING DIRECTOR. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 1 | REPRESENTATIVES OF THE TRUSTEE AND THE SUPPORTED ORGANIZATION(S) HAVE PERIODIC TELEPHONE MEETINGS DURING WHICH QUESTIONS AND CONCERNS ARE ADDRESSED. THE TERMS OF THE DISTRIBUTIONS ARE DETERMINED BY THE TRUST DOCUMENT. NORTHERN TRUST PROVIDES THE SUPPORTED ORGANIZATION(S) WITH REGULAR INVESTMENT STATEMENTS, ETC. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 2 | GRANDFATHERED TRUST EXCEPTION: THIS TRUST IS WHOLLY CHARITABLE AND A CHARITABLE DEDUCTION WAS TAKEN, THE TRUST WAS IRREVOCABLE PRIOR TO NOVEMBER 20, 1970, THE TRUST PROVIDES FOR THE DISTRIBUTION OF ALL INCOME TO SPECIFICALLY NAMED CHARITIES, THE AMOUNTS DISTRIBUTED TO THE DESIGNATED CHARITIES ARE FIXED AND NOT SUBJECT TO FIDUCIARY DISCRETION AND NONE OF THE TRUSTEES ARE A DISQUALIFIED PERSON. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | PART IV, SECTION D, LINE 2 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 1 | PART IV, SECTION D, LINE 3 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 2 | PART V LINE 1 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AcquisitionIndebtednessGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AdjustedFMVLessIndebtednessGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AverageMonthlyCashBalancesGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AverageMonthlyFMVOfSecGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/CashDeemedCharitableGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/DiscountClaimedAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/FMVOtherNonExemptUseAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/NetVlNonExemptUseAssetsGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/PctOfNetVlNonExemptUseAstGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/RecoveriesPYDistriMinAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/TotalFMVOfNonExemptUseAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/TotalMinimumAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 362177139 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 2 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 59243 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | UNIVERSITY OF CHICAGO |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType3NonFuncInd | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 59243 |
| IRS990ScheduleA/TrustIntegralPartTestInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | true |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 59243 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(C)(3) |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | UNIVERSITY OF CHICAGO - TO DEFRAY COSTS ASSOCIATED WITH THE MAINTENCANCE OF THE HOSPITALS THAT PROVIDE FREE TREATMENT & CARE OF POOR PATIENTS ADMITTED TO THE UNIVERSITY OF CHICAGO. |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | UNIVERSITY OF CHICAGO |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 362177139 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 6054 SOUTH DREXEL AVENUE |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | CHICAGO |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 60637 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | MEETINGS AT LEAST ANNUALLY |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | EXPLANATION FOR FORM 990, SCHEDULE I, PART 1, LINE 2 |
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| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | ANNIE DURAND DIED AROUND 1900 LEAVING A WILL WHICH LEFT THE RESIDUE TO TNT AS TRUSTEE. THERE WERE NO SPECIFIC PROVISIONS OTHER THAN THE STAT EMENT THAT THE TRUST FUNDS WERE INTENDED "TO BE USED TO ERECT HOSPITAL S IN TWO OF THE POOREST AND MOST THICKLY SETTLED PART OF CHICAGO". OVE R THE YEARS, A NUMBER OF COURT APPROVED AGREEMENTS WERE ENTERED INTO B Y TNT AND OTHER PARTIES, INCLUDING THE UNIVERSITY OF CHICAGO, TO ERECT AND OPERATE HOSPITALS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | UNIVERSITY OF CHICAGO HOSPITALS (UCH) WAS DETERMINED AS SUCCESSOR IN I NTEREST FOR PURPOSES OF THE DURAND TRUST. TNT CONTINUES TO HOLD THE P RINCIPAL IN PERPETUITY AND DISTRIBUTES THE NET INCOME TO UCH. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | COPY OF TAX RETURN SENT TO TRUSTEE FOR REVIEW AND COMMENT |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ANNUAL CONFIRMATION |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | UPON REQUEST |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | 2023 TRANSACTIONS POSTED IN 2024 $269; 2024 TRANSACTIONS POSTED IN 2025 ($207); ROUNDING ($2) |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | LINE 1 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | LINE 1 CONTINUE |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11-DESCRIPTION OF PROCESS FOR REVIEW |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | EXPLANATION FOR FORM 990, PART XI, LINE 9 |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2249086 |
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| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 11847 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 79791 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 91638 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
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| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
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| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2249086 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 79791 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 29500 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 66087 |
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| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2249086 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TypeOfOrganizationTrustInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 803878 |
| IRS990/USAddress/CityNm | 0 | CHICAGO |
| IRS990/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/USAddress/ZIPCd | 0 | 60680 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 1 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JAMES CIARLETTE |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | SR. VP |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3126306000 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-08-14 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | ANNIE W DURAND |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | DURA |
| ReturnHeader/Filer/EIN | 0 | 366025539 |
| ReturnHeader/Filer/PhoneNum | 0 | 3126306000 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | THE NORTHERN TRUST COMPANY |
| ReturnHeader/Filer/USAddress/CityNm | 0 | PO BOX CHICAGO |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60680 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 346565596 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ERNST & YOUNG US LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 155 N WACKER DRIVE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | CHICAGO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 60606 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3128792000 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-08-14 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JASON BELOT |
| ReturnHeader/ReturnTs | 0 | 2025-09-10T16:01:37-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-05-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-04-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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