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  <xsd:element id="iep_ProceedsFromSaleOfSecurities" name="ProceedsFromSaleOfSecurities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_DueFromBrokers" name="DueFromBrokers" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="iep_UnrealizedGainOnDerivativeContracts" name="UnrealizedGainOnDerivativeContracts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_PaymentsForTurnaroundExpenditures" name="PaymentsForTurnaroundExpenditures" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_NetSales" name="NetSales" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_OtherOperatingRevenue" name="OtherOperatingRevenue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_CostOfGoodsSoldNew" name="CostOfGoodsSoldNew" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_CostOfOtherRevenueFromOperations" name="CostOfOtherRevenueFromOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_TemporaryEquityReversalOfDistributionPayable" name="TemporaryEquityReversalOfDistributionPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="iep_InvestmentSegmentContributions" name="InvestmentSegmentContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_RecordedRevenueWithRespectToDeferredRevenueOutstanding" name="RecordedRevenueWithRespectToDeferredRevenueOutstanding" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_AccountsReceivableNetMember" name="AccountsReceivableNetMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_UnrealizedGainOnDerivativeContractsMember" name="UnrealizedGainOnDerivativeContractsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_UnrealizedLossOnDerivativeContractsMember" name="UnrealizedLossOnDerivativeContractsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="iep_CashHeldAtConsolidatedAffiliatedPartnershipsAndRestrictedCashMember" name="CashHeldAtConsolidatedAffiliatedPartnershipsAndRestrictedCashMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_IntangibleAssetsNetMember" name="IntangibleAssetsNetMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_DueToBrokersMember" name="DueToBrokersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_CashHeldAtConsolidatedAffiliatedPartnershipsMember" name="CashHeldAtConsolidatedAffiliatedPartnershipsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_InvestmentInFundsMember" name="InvestmentInFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_CommodityContractsNotConsideredProbableOfSettlementMember" name="CommodityContractsNotConsideredProbableOfSettlementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="iep_StatementOfCashFlowPolicyPolicyTextBlock" name="StatementOfCashFlowPolicyPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="iep_OperatingLeaseTermsAndDiscountRatesTableTextBlock" name="OperatingLeaseTermsAndDiscountRatesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_RevenueCurrentPortionOfRemainingPerformanceObligation" name="RevenueCurrentPortionOfRemainingPerformanceObligation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="iep_PercentageFairValueOfInvestmentsInFundsThatIsAttributableToMr.icahn" name="PercentageFairValueOfInvestmentsInFundsThatIsAttributableToMr.icahn" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_InvestmentInNonConsolidatedVie" name="InvestmentInNonConsolidatedVie" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="iep_InvestmentInRelatedParties" name="InvestmentInRelatedParties" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="iep_InvestmentsMeasuredAtFairValue" name="InvestmentsMeasuredAtFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="iep_AggregateCashDistributionsToDepositaryUnitHolders" name="AggregateCashDistributionsToDepositaryUnitHolders" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="iep_PotentialAggregateSalesProceedsFromEquityOffering" name="PotentialAggregateSalesProceedsFromEquityOffering" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="iep_NewNotesDue2029Member" name="NewNotesDue2029Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_PharmaSegmentMember" name="PharmaSegmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_VivusMember" name="VivusMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_NumberOfApprovedTherapies" name="NumberOfApprovedTherapies" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_NumberOfProductCandidateInActiveClinicalDevelopment" name="NumberOfProductCandidateInActiveClinicalDevelopment" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_DeferredTaxLiabilityMember" name="DeferredTaxLiabilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_BrettIcahnMember" name="BrettIcahnMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_RelatedPartyTransactionAmountContributedInAccordanceWithManagerAgreement" name="RelatedPartyTransactionAmountContributedInAccordanceWithManagerAgreement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_InvestmentFundsTotalFairValue" name="InvestmentFundsTotalFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_UtilitiesMember" name="UtilitiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_RenewableFuelStandardObligation" name="RenewableFuelStandardObligation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_DividendExpenseMember" name="DividendExpenseMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_AccountingPoliciesLineItems" name="AccountingPoliciesLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_LesseeRightOfUseAssetsAndLiabilitiesTableTextBlock" name="LesseeRightOfUseAssetsAndLiabilitiesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_DescriptionOfBusinessTable" name="DescriptionOfBusinessTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_DescriptionOfBusinessLineItems" name="DescriptionOfBusinessLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_OtherIncomeAndExpenseNetTable" name="OtherIncomeAndExpenseNetTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_OtherIncomeAndExpenseNetLineItems" name="OtherIncomeAndExpenseNetLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_CostOfRINs" name="CostOfRINs" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_DebtInstrumentRedemptionAmount" name="DebtInstrumentRedemptionAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_NonCashDividendsToNonControllingInterestsInSubsidiary" name="NonCashDividendsToNonControllingInterestsInSubsidiary" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_SixPointOneTwoFiveSeniorNotesDue2028Member" name="SixPointOneTwoFiveSeniorNotesDue2028Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_NinePointTwoFiveSeniorNotesDue2023Member" name="NinePointTwoFiveSeniorNotesDue2023Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_MaterialsMember" name="MaterialsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_HealthcaresMember" name="HealthcaresMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_IncreaseDecreaseInInvestments" name="IncreaseDecreaseInInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="iep_PartnershipContributionsReceivable" name="PartnershipContributionsReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
