| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 234195614 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 212729178 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 408730834 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 488132199 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | In the spirit of Christ and the example of Francis of Assisi, the Mission of OSF Healthcare is to serve persons with the greatest care and love in a community that celebrates the gift of life. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 319 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 7788208 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 350484 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 8139011 |
| IRS990/AllOtherContributionsAmt | 0 | 273143 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 6675302 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 5732962 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 4139911 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 16548175 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/AuditedFinancialStmtAttInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MICHAEL ALLEN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3096557708 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 800 NE GLEN OAK AVE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PEORIA |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 61603 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | true |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 108 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 2950230 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 12431573 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 15381803 |
| IRS990/CompDisqualPersonsGrp/FundraisingAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/ManagementAndGeneralAmt | 0 | 211249 |
| IRS990/CompDisqualPersonsGrp/ProgramServicesAmt | 0 | 147535 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 358784 |
| IRS990/CompensationFromOtherSrcsInd | 0 | true |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 811885 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1124033 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1935918 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 29382715 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 4532621 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 4410591 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 3995980 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 2164715 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO Box 4196 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 222 3rd Ave Suite 600 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 8142 Solutions Center Dr |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 1322 E State Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 8600 N State Route 91 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2Txt | 0 | Suite 250 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Springfield |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Cedar Rapids |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | Rockford |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | Peoria |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | IA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 627084196 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 52401 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 606778001 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 61104 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 616159452 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | University Of Illinois College of Medicine |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | PointCore Network Services LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | Hinshaw and Culbertson LLP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | Cord Construction Co |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | Associated Anesthesiologists SC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Teaching Physicians |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | IT Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Legal Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Construction Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Anesthesiologists Services |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 8620722 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1153710 |
| IRS990/CYInvestmentIncomeAmt | 0 | 59545239 |
| IRS990/CYOtherExpensesAmt | 0 | 947837001 |
| IRS990/CYOtherRevenueAmt | 0 | 41236810 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2068613572 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 303960061 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 925065571 |
| IRS990/CYTotalExpensesAmt | 0 | 1874056282 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 6943222 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2178016343 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 26562308 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 68652163 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 95214471 |
| IRS990/Desc | 0 | OUTPATIENT SERVICES: THE NINE ACUTE CARE HOSPITALS OWNED AND OPERATED BY OSF HEALTHCARE SYSTEM COLLECTIVELY PROVIDED 1,434,966 OUTPATIENT VISITS DURING THE REPORTING PERIOD ENDED SEPTEMBER 30, 2017, INCLUDING 64,221 OUTPATIENT SURGERY VISITS BUT EXCLUDING EMERGENCY DEPARTMENT VISITS. THE CORPORATION'S HOSPITALS OFFER A BROAD RANGE OF OUTPATIENT THERAPEUTIC AND DIAGNOSTIC SERVICES, INCLUDING OUTPATIENT SURGERY AND ADVANCED MEDICAL IMAGING. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | true |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 16717 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 624735040 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditPerformedInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | true |
| IRS990/FederatedCampaignsAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 708851 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 708851 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 3233309 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 3233309 |
| IRS990/FeesForServicesLobbyingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/ManagementAndGeneralAmt | 0 | 661796 |
| IRS990/FeesForServicesLobbyingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 661796 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 16262894 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 80951792 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 97214686 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 8.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 24 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 25 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 31 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 29 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 30 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 31 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 0 | Sister Theresa Ann Brazeau OSF |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 1 | Sister Judith Ann Duvall OSF |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 2 | Sister Diane Marie McGrew OSF |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 3 | Kevin D Schoeplein |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 4 | Sister Agnes Joseph Williams OSF |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 5 | Sister Rose Therese Mann OSF |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 6 | Gerald J McShane MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 7 | Sister M Mikela Meidl FSGM |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 8 | Brian Silverstein MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 9 | Michael M Allen |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 10 | Anthony M Avellino MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 11 | Kenneth E Berkovitz MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 12 | Robert L Brandfass |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 13 | Michelle D Conger |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 14 | John R Evancho |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 15 | Thomas G Hammerton |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 16 | Stephen E Hippler MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 17 | John C Horne |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 18 | Divya-Devi Joshi |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 19 | James J Mormann |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 20 | Kenneth J Natzke |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 21 | David A Schertz |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 22 | Robert C Sehring |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 23 | Jeffry M Tillery |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 24 | Lori L Wiegand |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 25 | Leon A Yeh MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 26 | Iftekhar U Ahmad MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 27 | Mete Korkmaz MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 28 | James L McGee MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 29 | Richard E Nora MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 30 | Anthony C Zalduendo MD |
| IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt | 31 | Daniel E Baker |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| 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/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 262853 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 72789 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 41692 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 61015 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 29051 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 60554 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 40685 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 47024 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 45793 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 77859 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 49112 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 22639 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 60734 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 62762 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 56719 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 65956 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 73816 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 70063 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 56518 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 40195 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 64857 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 68572 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 46568 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 63118 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 172699 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 5040 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 5040 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 5040 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 1857528 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 5040 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 797430 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 45000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 617871 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 1089331 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 814382 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 578648 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 472435 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 286039 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 417901 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 524004 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 396728 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 552122 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 558076 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 590863 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 657171 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 715477 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 531260 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 408778 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 568436 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 790699 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 647711 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 943454 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 598477 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 633329 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 607312 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Chairperson |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | President and Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Vice Chairperson CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Assistant Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | CEO NSSL/INI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | CEO CVSL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SVP Chief Legal Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Chief Strategy Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | SVP Chief Compliance Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | President OSF Healthcare Foundation Chief Development Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Chief Clinical Officer |