Liabilities / Assets
28th percentile
Higher debt load relative to assets than 28% of similar nonprofits.
EIN 04-3294359 • 501(c)9 • Saint Louis, MO
Profile
Provide welfare benefits to eligible members
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
28th percentile
Higher debt load relative to assets than 28% of similar nonprofits.
Liabilities / Revenue
34th percentile
Higher debt load relative to revenue than 34% of similar nonprofits.
Net Margin
86th percentile
Higher net margin than 86% of similar nonprofits.
Top Officer Pay
56th percentile
Higher top officer pay than 56% of similar nonprofits.
Top officer pay equals 0.1% of source-year revenue.
Asset Growth
55th percentile
Faster asset growth than 55% of similar nonprofits.
Revenue Growth
7th percentile
Faster revenue growth than 7% of similar nonprofits.
Assets
Up$772,439,059
Up $45,684,609 (+6.3%) from 2023
Liabilities
Up$293,427
Up $66,469 (+29%) from 2023
Net Assets
Up$772,145,632
Up $45,618,140 (+6.3%) from 2023
Revenue
Down$57,701,223
Down $17,676,892 (-23%) from 2023
Expenses
Down$34,982,135
Down $14,874,653 (-30%) from 2023
Net Income
Down$22,719,088
Down $2,802,239 (-11%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Provide welfare benefits to eligible members
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cap Stk Tr Prin Current Funds | $726,527,492 | $772,145,632 | ▲ $45,618,140 |
| Investments Other Securities | $575,332,062 | $600,463,157 | ▲ $25,131,095 |
| Investments in Publicly Traded Securities | $95,911,188 | $105,148,248 | ▲ $9,237,060 |
| Savings and Temporary Cash Investments | $55,211,654 | $66,395,792 | ▲ $11,184,138 |
| Accounts Receivable | $228,733 | $295,432 | ▲ $66,699 |
| Cash and Non-Interest-Bearing Accounts | $70,813 | $136,430 | ▲ $65,617 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Program Related | $0 | - | - |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Total Assets | $726,754,450 | $772,439,059 | ▲ $45,684,609 |
| Other Assets Total | $0 | $0 | → $0 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $226,958 | $293,427 | ▲ $66,469 |
| Other Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $226,958 | $293,427 | ▲ $66,469 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $726,527,492 | $772,145,632 | ▲ $45,618,140 |
| Total Liabilities and Net Assets / Fund Balance | $726,754,450 | $772,439,059 | ▲ $45,684,609 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Securities | $45,106,908 | - | - |
| Name | Title | Base | Total |
|---|---|---|---|
| The Bank of New York Mellon | Trustee | $73,589 | $73,589 |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Wellington Trust Company Na | Investment Mgmt | 280 Congress Street, 30th Floor, Boston, MA 02210 | $456,390 |
| Boston Partners Global | Investment Mgmt | One Beacon Street, 8th Floor, Boston, MA 02108 | $327,390 |
| Pzena Investment Management | Investment Mgmt | 320 Park Avenue, 23rd Floor, New York, NY 10022 | $261,600 |
| William Blair Investment | Investment Mgmt | 150 North Riverside Plaza, Chicago, IL 60606 | $185,816 |
| Westfield Capital Management | Investment Mgmt | 1 Financial Ctr, Boston, MA 02111 | $171,572 |
| Line Item | Amount |
|---|---|
| Other Expenses | $2,717,118 |
| Salaries, Compensation, and Employee Benefits | $73,589 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Benefits to Members | - | - | - | $32,191,428 |
| Fees for Service Investment Mgmnt Fees | - | - | - | $1,432,697 |
| Fees for Services Other | - | - | - | $1,225,930 |
| Current Officers, Directors, Trustees, and Key Employees | - | - | - | $73,589 |
| Fees for Services Accounting | - | - | - | $58,491 |
| Total Functional Expenses | $0 | $0 | $0 | $34,982,135 |
| Line Item | Amount |
|---|---|
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Expenses per Audited Statements | $0 |
| Other Expense Adjustments | $0 |
| Total Expenses per Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Liability | Amount |
|---|---|
| Federal Income Taxes | - |
| Other Liabilities | - |
“The organization does not have officers or key employees that receive compensation. Therefore, this question is not applicable and has been answered "no" in accordance with the form 990 instructions.”
“As stated in the Plan Documents, the Administrative Committee is charged with overseeing the administration of the Plan. The Administrative Committee has the full power, authority and responsibility as "plan administrator "named fiduciary" under ERISA with response to the general administration of the Plan. The committee shall be led by a Chairperson who shall be the Chief Human Resources Officer, or if no such position exists, the Assistant Vice President - Corporate Human Resources. The Chairperson of the Administrative Committee shall be responsible for leadership of the Administrative Committee, and shall have the powers and duties incident to that position, including but not limited to setting agendas for meetings, presiding at such meetings, delegating authority to other members to lead meetings and appointing members to the Committee. The Chairperson of the Administrative Committee shall appoint at least four, but no more than eight persons to serve as members of the Administrative Committee. The Chairperson shall also appoint a secretary who need not be a member of the Administrative Committee to prepare and maintain minutes of meetings and other records of the Administrative Committee.”
“Bny mellon is the institutional trustee of this voluntary employees' beneficiary association under irc 501(c)(9) formed to fund certain welfare benefits of current and former employees of ameren corporation. There are no meetings of the governing body or committees to document.”
“The form 990 is reviewed internally by the investment trust department of ameren corporation prior to filing with the irs.”
“As a 501(c)(9) organization, the trust is not required to make the documents referenced in question 19 available to the general public.”
“The bank of new york mellon provides directed trustee services for ameren health and welfare trust. These services require numerous individual bank employees' involvement in the activities of the organization and thus cannot be quantified on an hourly basis. Therefore, the trustee's fees are not based upon an hourly basis but are calculated based upon factors such as the market value of the account and in accordance with the bank of new york mellon's agreement with ameren corporation.”
“These questions are not applicable to the trust. Additionally, the trust does not have any employees. Therefore, no processes related to employee compensation are in place.”
“DISTRIBUTION TO PLAN ADMINISTRATOR - -76; Total - -76;”
“Accounting principles generally accepted in the United States of America require plan management to evaluate tax positions taken by the plan and recognize a tax liability (or asset) if the plan has taken an uncertain position that more likely than not would not be sustained upon examination by the Internal Revenue Service. The Plan administrator has analyzed the tax positions taken by the Plan, and has concluded that as of December 31, 2024, and 2023, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress. The Plan administrator believes it is no longer subject to income tax examinations for years prior to 2021.”
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/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 226958 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 293427 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 228733 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 295432 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | PROVIDE WELFARE BENEFITS TO ELIGIBLE MEMBERS |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 32191428 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | DARRYL SAGEL |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3145544108 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1901 Chouteau Ave |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SAINT LOUIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 63103 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 726527492 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 772145632 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 70813 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 136430 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 73589 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 456390 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 327390 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 261600 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 185816 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 171572 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 280 Congress Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | One Beacon Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 320 Park Avenue |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 150 North Riverside Plaza |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 1 Financial Ctr |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2Txt | 0 | 30th Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2Txt | 1 | 8th Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2Txt | 2 | 23rd Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Boston |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Boston |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | New York |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | Boston |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 02210 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 02108 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 10022 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 60606 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 02111 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | WELLINGTON TRUST COMPANY NA |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | BOSTON PARTNERS GLOBAL |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | PZENA INVESTMENT MANAGEMENT |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | WILLIAM BLAIR INVESTMENT |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | WESTFIELD CAPITAL MANAGEMENT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | INVESTMENT MGMT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | INVESTMENT MGMT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | INVESTMENT MGMT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | INVESTMENT MGMT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | INVESTMENT MGMT |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 32191428 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 53563462 |
| IRS990/CYOtherExpensesAmt | 0 | 2717118 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 4137761 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 22719088 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 73589 |
| IRS990/CYTotalExpensesAmt | 0 | 34982135 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 57701223 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | PROVIDE WELFARE BENEFITS TO ELIGIBLE MEMBERS |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 58491 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 1225930 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 1432697 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | THE BANK OF NEW YORK MELLON |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 73589 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 2001 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 37434275 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 1 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 37434275 |
| IRS990/GrossReceiptsAmt | 0 | 57701223 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 16129187 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 16129187 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 575332062 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 600463157 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 95911188 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 105148248 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingOtherInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | false |
| IRS990/MiscellaneousRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/MissionDesc | 0 | PROVIDE WELFARE BENEFITS TO ELIGIBLE MEMBERS |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 726527492 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 772145632 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 37434275 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 37434275 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 22899128 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -76 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliciesReferenceChaptersInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfcrBusinessName/BusinessNameLine1Txt | 0 | DARRYL SAGEL |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 525100 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 525100 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EMPLOYER CONTRIBUTIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | EMPLOYEE CONTRIBUTIONS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 101193 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 4036568 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 101193 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 4036568 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 46908769 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 71107897 |
| IRS990/PYOtherExpensesAmt | 0 | 2869509 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 4270218 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 25521327 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 78510 |
| IRS990/PYTotalExpensesAmt | 0 | 49856788 |
| IRS990/PYTotalRevenueAmt | 0 | 75378115 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 22719088 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | true |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 55211654 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 66395792 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | 0 |
| IRS990ScheduleD/OtherExpensesNotIncludedAmt | 0 | 0 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Federal Income Taxes |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | Other Liabilities |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 0 |
| IRS990ScheduleD/OtherRevenuesNotIncludedAmt | 0 | 0 |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 435394367 |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 1 | 119961882 |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 2 | 45106908 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | Closely-held equity interests |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 1 | Financial derivatives |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 2 | COMMON COLLECTIVE TRUST |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 3 | PTRSHP/JOINT VENTURE INTERESTS |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 4 | INVESTMENT ENTITIES |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | F |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 1 | F |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 2 | F |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
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| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Accounting principles generally accepted in the United States of America require plan management to evaluate tax positions taken by the plan and recognize a tax liability (or asset) if the plan has taken an uncertain position that more likely than not would not be sustained upon examination by the Internal Revenue Service. The Plan administrator has analyzed the tax positions taken by the Plan, and has concluded that as of December 31, 2024, and 2023, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress. The Plan administrator believes it is no longer subject to income tax examinations for years prior to 2021. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION DOES NOT HAVE OFFICERS OR KEY EMPLOYEES THAT RECEIVE COMPENSATION. THEREFORE, THIS QUESTION IS NOT APPLICABLE AND HAS BEEN ANSWERED "NO" IN ACCORDANCE WITH THE FORM 990 INSTRUCTIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | As stated in the Plan Documents, the Administrative Committee is charged with overseeing the administration of the Plan. The Administrative Committee has the full power, authority and responsibility as "plan administrator "named fiduciary" under ERISA with response to the general administration of the Plan. The committee shall be led by a Chairperson who shall be the Chief Human Resources Officer, or if no such position exists, the Assistant Vice President - Corporate Human Resources. The Chairperson of the Administrative Committee shall be responsible for leadership of the Administrative Committee, and shall have the powers and duties incident to that position, including but not limited to setting agendas for meetings, presiding at such meetings, delegating authority to other members to lead meetings and appointing members to the Committee. The Chairperson of the Administrative Committee shall appoint at least four, but no more than eight persons to serve as members of the Administrative Committee. The Chairperson shall also appoint a secretary who need not be a member of the Administrative Committee to prepare and maintain minutes of meetings and other records of the Administrative Committee. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | BNY MELLON IS THE INSTITUTIONAL TRUSTEE OF THIS VOLUNTARY EMPLOYEES' BENEFICIARY ASSOCIATION UNDER IRC 501(C)(9) FORMED TO FUND CERTAIN WELFARE BENEFITS OF CURRENT AND FORMER EMPLOYEES OF AMEREN CORPORATION. THERE ARE NO MEETINGS OF THE GOVERNING BODY OR COMMITTEES TO DOCUMENT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE FORM 990 IS REVIEWED INTERNALLY BY THE INVESTMENT TRUST DEPARTMENT OF AMEREN CORPORATION PRIOR TO FILING WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | AS A 501(C)(9) ORGANIZATION, THE TRUST IS NOT REQUIRED TO MAKE THE DOCUMENTS REFERENCED IN QUESTION 19 AVAILABLE TO THE GENERAL PUBLIC. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | THE BANK OF NEW YORK MELLON PROVIDES DIRECTED TRUSTEE SERVICES FOR AMEREN HEALTH AND WELFARE TRUST. THESE SERVICES REQUIRE NUMEROUS INDIVIDUAL BANK EMPLOYEES' INVOLVEMENT IN THE ACTIVITIES OF THE ORGANIZATION AND THUS CANNOT BE QUANTIFIED ON AN HOURLY BASIS. THEREFORE, THE TRUSTEE'S FEES ARE NOT BASED UPON AN HOURLY BASIS BUT ARE CALCULATED BASED UPON FACTORS SUCH AS THE MARKET VALUE OF THE ACCOUNT AND IN ACCORDANCE WITH THE BANK OF NEW YORK MELLON'S AGREEMENT WITH AMEREN CORPORATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | DISTRIBUTION TO PLAN ADMINISTRATOR - -76; Total - -76; |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | THESE QUESTIONS ARE NOT APPLICABLE TO THE TRUST. ADDITIONALLY, THE TRUST DOES NOT HAVE ANY EMPLOYEES. THEREFORE, NO PROCESSES RELATED TO EMPLOYEE COMPENSATION ARE IN PLACE. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Line 15 Determination of Compensation |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Line 1a Delegate broad authority to a committee |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Line 8a Documentation of meetings held by governing body |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Line 11b Review of form 990 by governing body |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Form 990, Part VI, Line 19 Required documents available to the public |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Form 990, Part VII, Section A AVERAGE HOURS PER WEEK |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | Form 990, Part XI, Line 9 Other changes in net assets or fund balances |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PART VI, SECTIONS A & B, LINES 8, 12-15 GOVERNING BODY & MGMT/ POLICIES |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | DARRYL SAGEL |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | VP, CORP DEVELOPMENT & ACQUISITIONS |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-17 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | AMEREN HEALTH AND WELFARE TRUST |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | AMER |
| ReturnHeader/Filer/EIN | 0 | 043294359 |
| ReturnHeader/Filer/PhoneNum | 0 | 3145542400 |
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| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 350921680 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | CROWE LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 701 13th St NW Suite 852 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Washington |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | DC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 20005 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 2026245555 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-17 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | STEVE LENIVY |
| ReturnHeader/ReturnTs | 0 | 2025-11-17T10:04:04+00:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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