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| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02116 |
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| IRS990/CYOtherRevenueAmt | 0 | 12230 |
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| IRS990/CYRevenuesLessExpensesAmt | 0 | 1624212 |
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| IRS990/CYTotalExpensesAmt | 0 | 20911312 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
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| IRS990/CYTotalRevenueAmt | 0 | 22535524 |
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| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 23066 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 23066 |
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| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 35758 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 35758 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | PETER D LEASE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Mark Rountree |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Michael S Solender |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Derrick Steele |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Maria Rey-Marston |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Timothy T Griffy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | scott a donaldson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Ellen J Glazerman |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
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| IRS990/MissionDesc | 0 | THE ERNST & YOUNG FOUNDATION'S MISSION IS TO STIMULATE AND SUPPORT EXCELLENCE IN EDUCATION, WITH A PARTICULAR FOCUS ON HIGHER EDUCATION AND PREPARATION FOR PROFESSIONAL SERVICE CAREERS IN BUSINESS. THE ERNST & YOUNG FOUNDATION FOCUSES ITS SUPPORT ON HIGH QUALITY EDUCATIONAL INSTITUTIONS, ENCOURAGING LEADERSHIP, EXCELLENCE, CONTINUOUS IMPROVEMENT AND INNOVATION IN EDUCATION QUALITY, DIVERSITY AND ACCOUNTABILITY WITHIN THESE INSTITUTIONS. THE ERNST & YOUNG FOUNDATION MAY, AT TIMES, PROVIDE CERTAIN PHILANTHROPIC SERVICES RELATED TO DISASTER RELIEF AND OTHER CHARITABLE CAUSES. |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | MATCHING GIFTS PROGRAM FOR HIGHER EDUCATION - SUBJECT TO CERTAIN LIMITS, THE FOUNDATION MATCHES DOLLAR-FOR-DOLLAR CONTRIBUTIONS BY PARTNERS AND EMPLOYEES OF ERNST & YOUNG LLP TO ACCREDITED EDUCATIONAL INSTITUTIONS THAT MEET CERTAIN REQUIREMENTS. |
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| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | EDUCATIONAL AND SPECIAL PROJECT GRANTS - THIS ENCOMPASSES GRANTS FOR SPECIAL PROJECTS SUCH AS EDUCATION FORUMS, RESEARCH STUDIES AND GRADUATE TAX PROGRAMS AND FOR THE IMPROVEMENT OF EDUCATIONAL OPPORTUNITIES FOR THE DISADVANTAGED AND OTHER SPECIAL EDUCATIONAL PROJECTS. |
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| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | HURRICANE HARVEY, HURRICANE MARIA AND GREATEST |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 1 | NEEDS DISASTER RELIEF FUNDS |
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| IRS990/PYTotalRevenueAmt | 0 | 19679876 |
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| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
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| IRS990/ReportOtherLiabilitiesInd | 0 | true |
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| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 27292630 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | FOR PURPOSES OF SCHEDULE A PART II, ERNST & YOUNG FOUNDATION IS RELYING ON AN IRS PRIVATE LETTER RULING ISSUED TO THE FOUNDATION, DATED MARCH 4, 1985, WHICH ALLOWS THE FOUNDATION TO TREAT ALL CONTRIBUTIONS RECEIVED FROM ERNST & YOUNG US LLP (EY), A PARTNERSHIP, AS MADE BY THE INDIVIDUAL PARTNERS OF EY FOR PURPOSES OF CALCULATING THE PUBLIC SUPPORT TEST. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A PART II |
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| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 19447169 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 16596140 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 15715474 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3661025 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 77511939 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 426047 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 134662 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 67607 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 73195 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 108590 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 810101 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 12230 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 15292 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 9709 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 37231 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.98195 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.98490 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 76945202 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 566737 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 22092131 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 19447169 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 16596140 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 15715474 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3661025 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 77511939 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 78359271 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3563000 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 3797000 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 234000 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3549000 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3563000 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 14000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3547000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3549000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 2000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3551000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3547000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -4000 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3555000 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3551000 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -4000 |
| IRS990ScheduleD/DisclosedForCharitablePrpsInd | 0 | true |
| IRS990ScheduleD/DisclosedOrgLegCtrlInd | 0 | true |
| IRS990ScheduleD/DonorAdvisedFundsContriAmt | 0 | 8815281 |
| IRS990ScheduleD/DonorAdvisedFundsGrantsAmt | 0 | 6281552 |
| IRS990ScheduleD/DonorAdvisedFundsHeldCnt | 0 | 794 |
| IRS990ScheduleD/DonorAdvisedFundsVlEOYAmt | 0 | 23269329 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 1035372 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 12230 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 20899082 |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 257555 |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | 1035372 |
| IRS990ScheduleD/OtherExpensesNotIncludedAmt | 0 | 12230 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 894161 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | MATCHING GIFTS PAYABLE |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 1035372 |