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  <xsd:element id="cna_CashAndSecuritiesDepositedAsCollateralForLettersOfCredit" name="CashAndSecuritiesDepositedAsCollateralForLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_CashContinuingOperations" name="CashContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cna_CatastropheLossesNetOfReinsurance" name="CatastropheLossesNetOfReinsurance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_CededClaimAndClaimAdjustmentExpenseReservesFuturePolicyBenefitsAndPolicyholderFundsAsResultOfSoldOperations" name="CededClaimAndClaimAdjustmentExpenseReservesFuturePolicyBenefitsAndPolicyholderFundsAsResultOfSoldOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_CededClaimAndClaimAdjustmentExpenses" name="CededClaimAndClaimAdjustmentExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cna_CededPremiumsEarned" name="CededPremiumsEarned" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_ChangeInAllowanceForUncollectibleReinsuranceReceivables" name="ChangeInAllowanceForUncollectibleReinsuranceReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cna_CnaSelectRiskMember" name="CnaSelectRiskMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cna_CollateralTrustEstablishedByNicoUnderAepLossPortfolioTransfer" name="CollateralTrustEstablishedByNicoUnderAepLossPortfolioTransfer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cna_CommitmentsToPurchaseVariousPrivatelyPlacedDebtSecurities" name="CommitmentsToPurchaseVariousPrivatelyPlacedDebtSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element id="cna_ComponentsOfOtherThanTemporaryImpairmentLossesRecognizedInEarningsByAssetTypeTableTextBlock" name="ComponentsOfOtherThanTemporaryImpairmentLossesRecognizedInEarningsByAssetTypeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_CondensedConsolidatedStatementsOfCashFlowsAbstract" name="CondensedConsolidatedStatementsOfCashFlowsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="cna_ContractValueOfInvestmentContractLiabilityToBenefitPlan" name="ContractValueOfInvestmentContractLiabilityToBenefitPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="cna_CorporateDebtSecuritiesFinancialIndustrySectorMember" name="CorporateDebtSecuritiesFinancialIndustrySectorMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_CreditRatingAaMember" name="CreditRatingAaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cna_DebentureCnaSuretyFaceAmountOf31DueApril292034Member" name="DebentureCnaSuretyFaceAmountOf31DueApril292034Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cna_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationLongTermRateOfReturn" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationLongTermRateOfReturn" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_DerivativeAndOtherFinancialInstrumentsNetMember" name="DerivativeAndOtherFinancialInstrumentsNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cna_DescriptionOfTransitionFromCnaPensionPlanToPostretirementPlan" name="DescriptionOfTransitionFromCnaPensionPlanToPostretirementPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_DirectAndCededEarnedPremiumsRelatedToBusinessThatIsOneHundredPercentReinsuredAsResultOfSignificantCaptiveProgram" name="DirectAndCededEarnedPremiumsRelatedToBusinessThatIsOneHundredPercentReinsuredAsResultOfSignificantCaptiveProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
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  <xsd:element id="cna_DiscontinuedOperationsInvestmentsIncludedInOtherLiabilities" name="DiscontinuedOperationsInvestmentsIncludedInOtherLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cna_DiscountedReservesForUnfundedStructureSettlementsDiscountAmount" name="DiscountedReservesForUnfundedStructureSettlementsDiscountAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_DiscountedReservesForUnfundedStructuredSettlements" name="DiscountedReservesForUnfundedStructuredSettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_DiscountedReservesForWorkersCompensationLifetimeClaimReservesAndAccidentAndHealthClaimReserves" name="DiscountedReservesForWorkersCompensationLifetimeClaimReservesAndAccidentAndHealthClaimReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_DiscountedReservesForWorkersCompensationLifetimeClaimReservesAndAccidentAndHealthClaimReservesDiscountAmount" name="DiscountedReservesForWorkersCompensationLifetimeClaimReservesAndAccidentAndHealthClaimReservesDiscountAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_Dispositions" name="Dispositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_EarningsLossPerShareDataMember" name="EarningsLossPerShareDataMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_EquityInNetIncomeLossOfSubsidiaries" name="EquityInNetIncomeLossOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ExtinguishedSeniorNotes6000DueAugust152011Member" name="ExtinguishedSeniorNotes6000DueAugust152011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ExtinguishedVariableRateDebtDebentureCnaSuretyDueApril292034Member" name="ExtinguishedVariableRateDebtDebentureCnaSuretyDueApril292034Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_FairValueAbstract" name="FairValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_FairValueOfNonIncomeFixedMaturitySecurity" name="FairValueOfNonIncomeFixedMaturitySecurity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_FairValueOfStockBasedAwardsVested" name="FairValueOfStockBasedAwardsVested" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_FederalIncomeTaxesReceivedFromPaidToLoewsAmount" name="FederalIncomeTaxesReceivedFromPaidToLoewsAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_FirstInsuranceCompanyOfHawaiiFicohMember" name="FirstInsuranceCompanyOfHawaiiFicohMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_FixedMaturityAndEquitySecuritiesAbstract" name="FixedMaturityAndEquitySecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_FutureCapitalCallCommitments" name="FutureCapitalCallCommitments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_FutureMinimumLeasePaymentsAndSubleaseReceiptsTableTextBlock" name="FutureMinimumLeasePaymentsAndSubleaseReceiptsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_FuturePolicyBenefitsReservesMember" name="FuturePolicyBenefitsReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_GoodwillAndIntangibles" name="GoodwillAndIntangibles" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_GoodwillAndOtherIntangiblesAssetsMember" name="GoodwillAndOtherIntangiblesAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_GrossAndNetCarriedClaimAndClaimAdjustmentExpenseReservesTableTextBlock" name="GrossAndNetCarriedClaimAndClaimAdjustmentExpenseReservesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_GrossUnrealizedLossesOfLargestExposurePuertoRicoSalesTaxRevenueBonds" name="GrossUnrealizedLossesOfLargestExposurePuertoRicoSalesTaxRevenueBonds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_GuarantorObligationsMaximumExposureIndebtednessOfSubsidiaries" name="GuarantorObligationsMaximumExposureIndebtednessOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_GuarantyFundAndOtherInsuranceRelatedAssessmentsMember" name="GuarantyFundAndOtherInsuranceRelatedAssessmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_GuarantyFundAndOtherInsuranceRelatedAssessmentsPolicyTextBlock" name="GuarantyFundAndOtherInsuranceRelatedAssessmentsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_GuarontorObligationsMaximumExposureSsas" name="GuarontorObligationsMaximumExposureSsas" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_HealthMember" name="HealthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ImpactOfLossPortfolioTransferOnConsolidatedCondensedStatementOfIncomeTextBlock" name="ImpactOfLossPortfolioTransferOnConsolidatedCondensedStatementOfIncomeTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeAsPercentageOfChangeInPartnershipEquityForAllLimitedPartnerships" name="IncomeAsPercentageOfChangeInPartnershipEquityForAllLimitedPartnerships" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_IncomeFromContinuingOperationsAttributableToCnaCommonStockholders" name="IncomeFromContinuingOperationsAttributableToCnaCommonStockholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestments" name="IncomeLossFromContinuingOperationsBeforeEquityMethodInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndIncomeLossFromSubsidiaries" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndIncomeLossFromSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses" name="IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss" name="IncomeTaxExpenseBenefitOnOperatingIncomeLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncomeTaxReconcilliationEquityInEarningsLossesOfConsolidatedSubsidiary" name="IncomeTaxReconcilliationEquityInEarningsLossesOfConsolidatedSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_IncomeTaxesAbstract" name="IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_IncreaseDecreaseInPolicyholdersFundsPensionDepositGuaranteeLiability" name="IncreaseDecreaseInPolicyholdersFundsPensionDepositGuaranteeLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_IncreaseInInsuranceReservesFromUnlockedAssumptionsRelatedToPayoutAnnuityContracts" name="IncreaseInInsuranceReservesFromUnlockedAssumptionsRelatedToPayoutAnnuityContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_InsuranceClaimsAndPolicyholdersBenefits" name="InsuranceClaimsAndPolicyholdersBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_InsuranceReserves" name="InsuranceReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_InterestAccrualRateForCccSurplusNote" name="InterestAccrualRateForCccSurplusNote" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InternationalCommercialMember" name="InternationalCommercialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InternationalSpecialtyMember" name="InternationalSpecialtyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InvestmentCommitmentDisclosureAxis" name="InvestmentCommitmentDisclosureAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InvestmentCommitmentDomain" name="InvestmentCommitmentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InvestmentCommitmentMember" name="InvestmentCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_InvestmentContractsWithInsuranceCompanyMember" name="InvestmentContractsWithInsuranceCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses" name="InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_InvestmentValuationDifferences" name="InvestmentValuationDifferences" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_InvestmentsInLifeSettlementContractsAndRelatedRevenueRecognitionMember" name="InvestmentsInLifeSettlementContractsAndRelatedRevenueRecognitionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ItTransformationCost" name="ItTransformationCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ItTransformationCostsBySegmentAbstract" name="ItTransformationCostsBySegmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ItTransformationCostsBySegmentTableTextBlock" name="ItTransformationCostsBySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ItTransformationDisclosureTextBlock" name="ItTransformationDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_LegalProceedingsAndContingentLiabilitiesAbstract" name="LegalProceedingsAndContingentLiabilitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilitiesAndStockholdersEquityAttributableToParent" name="LiabilitiesAndStockholdersEquityAttributableToParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LiabilityForLongTermCareProductsInterestRateYearOfIssueMaximum" name="LiabilityForLongTermCareProductsInterestRateYearOfIssueMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForLongTermCareProductsInterestRateYearOfIssueMinimum" name="LiabilityForLongTermCareProductsInterestRateYearOfIssueMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForOtherThanAsbestosAndEnvironmentalClaimsNetIncurredLoss" name="LiabilityForOtherThanAsbestosAndEnvironmentalClaimsNetIncurredLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForPayoutAnnuityContractsInterestRateYearOfIssueMaximum" name="LiabilityForPayoutAnnuityContractsInterestRateYearOfIssueMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForPayoutAnnuityContractsInterestRateYearOfIssueMinimum" name="LiabilityForPayoutAnnuityContractsInterestRateYearOfIssueMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther" name="LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount" name="LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_LifeAndGroupNonCoreMember" name="LifeAndGroupNonCoreMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_LifeAnnuityMember" name="LifeAnnuityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_LifeCompanyMember" name="LifeCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_LifeGroupNonCoreDomain" name="LifeGroupNonCoreDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LifeInsuranceInforceAssumed" name="LifeInsuranceInforceAssumed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LifeInsuranceInforceCeded" name="LifeInsuranceInforceCeded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_LifeInsuranceInforceDirect" name="LifeInsuranceInforceDirect" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LifeInsuranceInforceNet" name="LifeInsuranceInforceNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_LifeReserveDevelopmentInLifeCompanyMember" name="LifeReserveDevelopmentInLifeCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LifeSettlementContractsIncludedInOtherAssets" name="LifeSettlementContractsIncludedInOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_LifeSettlementContractsIncludedInOtherAssetsMember" name="LifeSettlementContractsIncludedInOtherAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LimitedPartnershipEquityRelatedHedgeFundStrategyPlanAssets" name="LimitedPartnershipEquityRelatedHedgeFundStrategyPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_LimitedPartnershipHedgeFundMultiStrategyPlanAssets" name="LimitedPartnershipHedgeFundMultiStrategyPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_LimitedPartnershipHedgeFundStrategiesFixedIncome" name="LimitedPartnershipHedgeFundStrategiesFixedIncome" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_LimitedPartnershipHedgeFundStrategyDistressedInvestmentsPlanAssets" name="LimitedPartnershipHedgeFundStrategyDistressedInvestmentsPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_LimitedPartnershipInvestments" name="LimitedPartnershipInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_LimitedPartnershipsInvestedInPrivateEquity" name="LimitedPartnershipsInvestedInPrivateEquity" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_LongTermDebtPercentageBearingVariableInterestNonCurrentAmount" name="LongTermDebtPercentageBearingVariableInterestNonCurrentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LongTermPurchaseCommittmentFutureMinimumPaymentsCurrent" name="LongTermPurchaseCommittmentFutureMinimumPaymentsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LongTermPurchaseCommittmentFutureMinimumPaymentsDueInTwoYears" name="LongTermPurchaseCommittmentFutureMinimumPaymentsDueInTwoYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LongTermPurchaseCommittmentFutureMinimumPaymentsDueThereafter" name="LongTermPurchaseCommittmentFutureMinimumPaymentsDueThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_LongTermPurchaseCommittmentFutureMinimumPaymentsTotal" name="LongTermPurchaseCommittmentFutureMinimumPaymentsTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_LossPortfolioTransferMember" name="LossPortfolioTransferMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_LossRecognitionOnUnlockingActuarialAssumptionsRelatedToPayoutAnnuityContracts" name="LossRecognitionOnUnlockingActuarialAssumptionsRelatedToPayoutAnnuityContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_LossRecovery" name="LossRecovery" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_MarketableSecuritiesEquitySecuritiesAtCost" name="MarketableSecuritiesEquitySecuritiesAtCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost" name="MarketableSecuritiesFixedMaturitiesAtAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_MaximumPotentialFutureLeasePaymentsAndOtherRelatedCostsUnderGuarantee" name="MaximumPotentialFutureLeasePaymentsAndOtherRelatedCostsUnderGuarantee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_MortgageLoanCommitments" name="MortgageLoanCommitments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_NetCaseReserves" name="NetCaseReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_NetCashTransactionsFromContinuingOperationsToDiscontinuedOperations" name="NetCashTransactionsFromContinuingOperationsToDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetCashTransactionsToDiscontinuedOperationsFromContinuingOperations" name="NetCashTransactionsToDiscontinuedOperationsFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetChangeInUnrealizedGainsLossesInInvestmentsTableTextBlock" name="NetChangeInUnrealizedGainsLossesInInvestmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_NetChangeInUnrealizedPretaxGainsLossesAbstract" name="NetChangeInUnrealizedPretaxGainsLossesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetClaimAndAllocatedClaimAdjustmentExpenseReservesInDiscontinuedOperationsCededToNico" name="NetClaimAndAllocatedClaimAdjustmentExpenseReservesInDiscontinuedOperationsCededToNico" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_NetIbnrReserves" name="NetIbnrReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_NetIncomeAttributableToNoncontrollingInterestInCnaSurety" name="NetIncomeAttributableToNoncontrollingInterestInCnaSurety" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities" name="NetInvestmentIncomeAndGainsLossesOnTradingSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetInvestmentIncomeTableTextBlock" name="NetInvestmentIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetOperatingIncomeLossAfterTaxAttributableToNoncontrollingInterests" name="NetOperatingIncomeLossAfterTaxAttributableToNoncontrollingInterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent" name="NetOperatingIncomeLossFromContinuingOperationsAttributableToParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_NetOttiLossesAbstract" name="NetOttiLossesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentCommercialAuto" name="NetPriorYearClaimAndAllocatedClaimAdjustmentCommercialAuto" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseMedicalProfessionalLiability" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseMedicalProfessionalLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseOther" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseOtherProfessionalLiability" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseOtherProfessionalLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentForCnaCommercialSegmentTableTextBlock" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentForCnaCommercialSegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentForCnaSpecialtySegmentTableTextBlock" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentForCnaSpecialtySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseSurety" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseSurety" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseWarranty" name="NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseWarranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentGeneralLiability" name="NetPriorYearClaimAndAllocatedClaimAdjustmentGeneralLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentPropertyAndOther" name="NetPriorYearClaimAndAllocatedClaimAdjustmentPropertyAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndAllocatedClaimAdjustmentWorkersCompensation" name="NetPriorYearClaimAndAllocatedClaimAdjustmentWorkersCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetPriorYearClaimAndClaimAdjustmentExpenseReserveDevelopmentTableTextBlock" name="NetPriorYearClaimAndClaimAdjustmentExpenseReserveDevelopmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetRealizedInvestmentGainsLossesAfterTaxAttributableToNoncontrollingInterests" name="NetRealizedInvestmentGainsLossesAfterTaxAttributableToNoncontrollingInterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetRealizedInvestmentGainsLossesAttributableToParent" name="NetRealizedInvestmentGainsLossesAttributableToParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetRealizedInvestmentGainsLossesNetOfParticipatingPolicyholdersInterests" name="NetRealizedInvestmentGainsLossesNetOfParticipatingPolicyholdersInterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetRealizedInvestmentGainsLossesTableTextBlock" name="NetRealizedInvestmentGainsLossesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer" name="NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_NetUltimatePaidLossesCededUnderLossPortfolioTransfer" name="NetUltimatePaidLossesCededUnderLossPortfolioTransfer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetUnrealizedGainsLossesOnInvestments" name="NetUnrealizedGainsLossesOnInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetUnrealizedGainsLossesOnInvestmentsWithOtherThanTemporaryImpairments" name="NetUnrealizedGainsLossesOnInvestmentsWithOtherThanTemporaryImpairments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetUnrealizedGainsOnDiscontinuedOperationsAndOther" name="NetUnrealizedGainsOnDiscontinuedOperationsAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NetWrittenPremiums" name="NetWrittenPremiums" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_Netunrealizedgainslossesoninvestmentsattributabletononcontrollinginterests" name="Netunrealizedgainslossesoninvestmentsattributabletononcontrollinginterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_NewAccountingEstimateEffectOfChangeOnNetIncome" name="NewAccountingEstimateEffectOfChangeOnNetIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_NonAgencyStructuredResidentialMortgageBackedSecuritiesMember" name="NonAgencyStructuredResidentialMortgageBackedSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_NotesReceivableFromIssuanceOfCommonStock" name="NotesReceivableFromIssuanceOfCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_NumberOfActiveLimitedPartnershipInvestmentsHeld" name="NumberOfActiveLimitedPartnershipInvestmentsHeld" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_NumberOfDifferentAssetBackedSecuritiesComprisingTotalFairValueOfAssetBackedHoldings" name="NumberOfDifferentAssetBackedSecuritiesComprisingTotalFairValueOfAssetBackedHoldings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_NumberOfInvestmentsThatExceedTenPercentOfStockholdersEquity" name="NumberOfInvestmentsThatExceedTenPercentOfStockholdersEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_NumberOfNonIncomeProducingFixedMaturitySecurities" name="NumberOfNonIncomeProducingFixedMaturitySecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_NumberOfSecuritiesWithSubPrimeAndAltAExposure" name="NumberOfSecuritiesWithSubPrimeAndAltAExposure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_ObligationsOnUnfundedBankLoanParticipations" name="ObligationsOnUnfundedBankLoanParticipations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_OfferPricePerShareForCnaSurety" name="OfferPricePerShareForCnaSurety" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax" name="OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OperatingLeasesCommitmentsAndContingenciesAndGuaranteesAbstract" name="OperatingLeasesCommitmentsAndContingenciesAndGuaranteesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_OperatingRevenues" name="OperatingRevenues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OptionsWrittenMember" name="OptionsWrittenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OtherAssetBackedMember" name="OtherAssetBackedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OtherFinancialAssetsMember" name="OtherFinancialAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_OtherInsuranceRelatedExpenses" name="OtherInsuranceRelatedExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OtherInvestmentIncomeMember" name="OtherInvestmentIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_OtherLifeGroupMember" name="OtherLifeGroupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_OutstandingBalanceOfCccToRepayOfSurplusNote" name="OutstandingBalanceOfCccToRepayOfSurplusNote" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_ParticipatingInsurancePolicyPolicyTextBlock" name="ParticipatingInsurancePolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PaymentsForOriginationOfMortgageLoans" name="PaymentsForOriginationOfMortgageLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_PensionAndPostretirementBenefitsAndStockBasedCompensationTextBlock" name="PensionAndPostretirementBenefitsAndStockBasedCompensationTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_PercentageOfAssumedEarnedToNetEarnedPremiumsDomain" name="PercentageOfAssumedEarnedToNetEarnedPremiumsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_PercentageOfAssumedPremiumsEarnedToNetPremiumsEarnedMember" name="PercentageOfAssumedPremiumsEarnedToNetPremiumsEarnedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_PercentageOfAssumedPremiumsWrittenToNetPremiumsWrittenMember" name="PercentageOfAssumedPremiumsWrittenToNetPremiumsWrittenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_PercentageOfAssumedWrittenToNetWrittenPremiumsDomain" name="PercentageOfAssumedWrittenToNetWrittenPremiumsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PercentageOfBilledReceivablesComparedToTotalReinsuranceReceivables" name="PercentageOfBilledReceivablesComparedToTotalReinsuranceReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PercentageOfCarryingValueOfCommercialMortgageLoansRelatedToCreditTenantLoans" name="PercentageOfCarryingValueOfCommercialMortgageLoansRelatedToCreditTenantLoans" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfDistressedInvestmentsLimitedPartnershipHedgeFundStrategies" name="PercentageOfDistressedInvestmentsLimitedPartnershipHedgeFundStrategies" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_PercentageOfEarnedAmountAssumedToNetAssumedEarnedAxis" name="PercentageOfEarnedAmountAssumedToNetAssumedEarnedAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PercentageOfEquityRelatedLimitedPartnershipHedgeFundStrategies" name="PercentageOfEquityRelatedLimitedPartnershipHedgeFundStrategies" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfFixedIncomeLimitedPartnershipHedgeFundStrategies" name="PercentageOfFixedIncomeLimitedPartnershipHedgeFundStrategies" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfGrossUnrealizedLossesByAaOrHigherSecurities" name="PercentageOfGrossUnrealizedLossesByAaOrHigherSecurities" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PercentageOfLimitedPartnershipsEmployingHedgeFundStrategiesFocusedOnFixedIncomeAndEquityInvestments" name="PercentageOfLimitedPartnershipsEmployingHedgeFundStrategiesFocusedOnFixedIncomeAndEquityInvestments" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfLimitedPartnershipsReportedOnCurrentBasis" name="PercentageOfLimitedPartnershipsReportedOnCurrentBasis" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfLimitedPartnershipsReportedOnOneMonthLag" name="PercentageOfLimitedPartnershipsReportedOnOneMonthLag" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cna_PercentageOfMultistrategyApproachLimitedPartnershipHedgeFundStrategies" name="PercentageOfMultistrategyApproachLimitedPartnershipHedgeFundStrategies" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_PercentageOfWrittenAmountAssumedToNetWrittenEarnedAxis" name="PercentageOfWrittenAmountAssumedToNetWrittenEarnedAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PercentageOfWrittenPremiumsForeign" name="PercentageOfWrittenPremiumsForeign" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PerformanceBasedAdjustmentShareBasedCompensationEquityInstrumentsOtherThanOptions" name="PerformanceBasedAdjustmentShareBasedCompensationEquityInstrumentsOtherThanOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PerformanceBasedAdjustmentShareBasedCompensationEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue" name="PerformanceBasedAdjustmentShareBasedCompensationEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PlanAssetValueWithUnobservableInputs" name="PlanAssetValueWithUnobservableInputs" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_PolicyholdersFundsReservesPolicyTextBlock" name="PolicyholdersFundsReservesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PolicyholdersInvestmentContractNetDepositsWithdrawals" name="PolicyholdersInvestmentContractNetDepositsWithdrawals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_PostretirementBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" name="PostretirementBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PremiumDepositsAndAnnuityContracts" name="PremiumDepositsAndAnnuityContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentAbstract" name="PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentLifeGroup" name="PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentLifeGroup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPc" name="PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPc" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentTableTextBlock" name="PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_PretaxFavorableUnfavorablePremiumDevelopment" name="PretaxFavorableUnfavorablePremiumDevelopment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_PretaxNetUnrealizedGainsLossesOnAvailableForSaleSecuritiesWithOttiLossesReclassifiedOutOfAociAndRecongnizedInEarnings" name="PretaxNetUnrealizedGainsLossesOnAvailableForSaleSecuritiesWithOttiLossesReclassifiedOutOfAociAndRecongnizedInEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_PretaxNetUnrealizedGainsLossesOnOtherAvailableForSaleSecuritiesReclassifiedOutOfAociAndRecognizedInEarnings" name="PretaxNetUnrealizedGainsLossesOnOtherAvailableForSaleSecuritiesReclassifiedOutOfAociAndRecognizedInEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_PreviousOwnershipOfOutstandingPubliclyTradedStockOfCnaSurety" name="PreviousOwnershipOfOutstandingPubliclyTradedStockOfCnaSurety" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_ProceedsFromFixedMaturitySecuritiesAbstract" name="ProceedsFromFixedMaturitySecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ProfessionalManagementLiabilityMember" name="ProfessionalManagementLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_PropertyAndCasualtyReserveDevelopmentMember" name="PropertyAndCasualtyReserveDevelopmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ReceivablesNet" name="ReceivablesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_RecordedLiabilitiesRelatedToIndemnificationAgreements" name="RecordedLiabilitiesRelatedToIndemnificationAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_ReductionOfAllowanceForUncollectibleReinsuranceReceivables" name="ReductionOfAllowanceForUncollectibleReinsuranceReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfBenefitObligationDueToDispositionOfSubsidiary" name="ReductionOfBenefitObligationDueToDispositionOfSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfNetReservesDueToDispositionOfSubsidiaries" name="ReductionOfNetReservesDueToDispositionOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfNetReservesDueToLossPortfolioTransferTransaction" name="ReductionOfNetReservesDueToLossPortfolioTransferTransaction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments" name="ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfPlanAssetsDueToDispositionOfSubsidiary" name="ReductionOfPlanAssetsDueToDispositionOfSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cna_ReductionOfStockholdersEquityDueToAdoptionOfUpdatedAccountingGuidanceForCostsAssociatedWithAcquiringOrRenewingInsuranceContracts" name="ReductionOfStockholdersEquityDueToAdoptionOfUpdatedAccountingGuidanceForCostsAssociatedWithAcquiringOrRenewingInsuranceContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cna_RegulatoryApprovalFromIllinoisDepartmentOfInsuranceOfAmountForCccToRepayOfSurplusNote" name="RegulatoryApprovalFromIllinoisDepartmentOfInsuranceOfAmountForCccToRepayOfSurplusNote" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ReinsuranceAbstract" name="ReinsuranceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ReinsuranceMember" name="ReinsuranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer" name="ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_ReinsuranceReceivable" name="ReinsuranceReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cna_RemainingAmountAvailableUnderAggregateLimitOfLossPortfolioTransferOnIncurredBasis" name="RemainingAmountAvailableUnderAggregateLimitOfLossPortfolioTransferOnIncurredBasis" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cna_RepaymentOfSurplusNoteBySubsidiary" name="RepaymentOfSurplusNoteBySubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ReservesBeginningOfYearAbstract" name="ReservesBeginningOfYearAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ReturnOfCapitalFromSubsidiaries" name="ReturnOfCapitalFromSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_RevenuesByLineOfBusinessAbstract" name="RevenuesByLineOfBusinessAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_SaleOfCnaOwnershipPercentageOfFicoh" name="SaleOfCnaOwnershipPercentageOfFicoh" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cna_ScheduleIiBalanceSheetParentheticalAbstract" name="ScheduleIiBalanceSheetParentheticalAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ScheduleIiCondensedFinancialInformationOfRegistrantAbstract" name="ScheduleIiCondensedFinancialInformationOfRegistrantAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ScheduleIiiSupplementaryInsuranceInformationAbstract" name="ScheduleIiiSupplementaryInsuranceInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ScheduleIvReinsuranceAbstract" name="ScheduleIvReinsuranceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ScheduleOfAmountsReceivableFromReinsurersTable" name="ScheduleOfAmountsReceivableFromReinsurersTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfAmountsReceivableFromReinsurersTableTextBlock" name="ScheduleOfAmountsReceivableFromReinsurersTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_ScheduleOfAvailableForSaleSecuritiesTradingSecuritiesAxis" name="ScheduleOfAvailableForSaleSecuritiesTradingSecuritiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyBalanceSheetsTableTextBlock" name="ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyBalanceSheetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyStatementsOfCashFlowsTableTextBlock" name="ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyStatementsOfCashFlowsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyStatementsOfOperationsTableTextBlock" name="ScheduleOfCondensedFinancialInformationOfParentCompanyOnlyStatementsOfOperationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfCorporateAndOtherTaxableBondsInGrossUnrealizedLossPositionByRatingsDistributionTableTextBlock" name="ScheduleOfCorporateAndOtherTaxableBondsInGrossUnrealizedLossPositionByRatingsDistributionTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfEffectsOfReinsuranceOnEarnedAndWrittenPremiumsForInsuranceCompaniesTableTextBlock" name="ScheduleOfEffectsOfReinsuranceOnEarnedAndWrittenPremiumsForInsuranceCompaniesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfImpactOfReinsuranceOnLifeInsuranceInforceTableTextBlock" name="ScheduleOfImpactOfReinsuranceOnLifeInsuranceInforceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfLongTermDebtParentCompanyOnlyTableTextBlock" name="ScheduleOfLongTermDebtParentCompanyOnlyTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfStatutoryFinancialInformationTableTextBlock" name="ScheduleOfStatutoryFinancialInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cna_ScheduleOfValuationAndQualifyingAccountsTableTextBlock" name="ScheduleOfValuationAndQualifyingAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SegmentsDomain" name="SegmentsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes5750FaceAmount400DueAugust152021Member" name="SeniorNotes5750FaceAmount400DueAugust152021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes5850FaceAmount549DueDecember152014Member" name="SeniorNotes5850FaceAmount549DueDecember152014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes5875FaceAmount500DueAugust152020Member" name="SeniorNotes5875FaceAmount500DueAugust152020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes6000FaceAmountOf400DueAugust152011Member" name="SeniorNotes6000FaceAmountOf400DueAugust152011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes6500FaceAmountOf350DueAugust152016Member" name="SeniorNotes6500FaceAmountOf350DueAugust152016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes6950FaceAmount150DueJanuary152018Member" name="SeniorNotes6950FaceAmount150DueJanuary152018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cna_SeniorNotes7350FaceAmount350DueNovember152019Member" name="SeniorNotes7350FaceAmount350DueNovember152019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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</xsd:schema>
</XBRL>