000.02500P42D0000P3Y00P3YP2Y56000000P1Yibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpenseibm:OtherIncomeAndExpense0000051143--12-312019Q310-QCapital stock, par value $.20 per shareIBM0.004P2Y1.0050000000010000000001600000000002000000001000000003000000001.00false0000051143ibm:FinancingForPurchaseAgreementsMember2019-09-300000051143ibm:ExtendedLinesOfCreditMember2019-09-300000051143ibm:FinancingForPurchaseAgreementsMember2018-12-310000051143ibm:ExtendedLinesOfCreditMember2018-12-310000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member2018-12-3100000511432018-01-012018-01-010000051143us-gaap:TreasuryStockCommonMember2019-09-300000051143us-gaap:RetainedEarningsMember2019-09-300000051143us-gaap:ParentMember2019-09-300000051143us-gaap:NoncontrollingInterestMember2019-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2019-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2019-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-09-300000051143us-gaap:TreasuryStockCommonMember2019-06-300000051143us-gaap:RetainedEarningsMember2019-06-300000051143us-gaap:ParentMember2019-06-300000051143us-gaap:NoncontrollingInterestMember2019-06-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2019-06-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-06-3000000511432019-06-300000051143us-gaap:TreasuryStockCommonMember2018-12-310000051143us-gaap:RetainedEarningsMember2018-12-310000051143us-gaap:ParentMember2018-12-310000051143us-gaap:NoncontrollingInterestMember2018-12-310000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2018-12-310000051143us-gaap:AccumulatedTranslationAdjustmentMember2018-12-310000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-12-310000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-12-310000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-12-310000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-12-310000051143us-gaap:TreasuryStockCommonMember2018-09-300000051143us-gaap:RetainedEarningsMember2018-09-300000051143us-gaap:ParentMember2018-09-300000051143us-gaap:NoncontrollingInterestMember2018-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2018-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2018-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-09-300000051143us-gaap:TreasuryStockCommonMember2018-06-300000051143us-gaap:RetainedEarningsMember2018-06-300000051143us-gaap:ParentMember2018-06-300000051143us-gaap:NoncontrollingInterestMember2018-06-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2018-06-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-06-3000000511432018-06-300000051143us-gaap:TreasuryStockCommonMember2017-12-310000051143us-gaap:RetainedEarningsMember2017-12-310000051143us-gaap:ParentMember2017-12-310000051143us-gaap:NoncontrollingInterestMember2017-12-310000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2017-12-310000051143us-gaap:AccumulatedTranslationAdjustmentMember2017-12-310000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2017-12-310000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2017-12-310000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2017-12-310000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2017-12-310000051143us-gaap:LoansPayableMember2019-09-300000051143us-gaap:CommercialPaperMember2019-09-300000051143us-gaap:LoansPayableMember2018-12-310000051143us-gaap:CommercialPaperMember2018-12-310000051143us-gaap:IntersegmentEliminationMemberibm:SystemsMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalFinancingMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143us-gaap:EMEAMember2019-07-012019-09-300000051143srt:AsiaPacificMember2019-07-012019-09-300000051143srt:AmericasMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:SystemsMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalFinancingMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143us-gaap:EMEAMember2019-01-012019-09-300000051143srt:AsiaPacificMember2019-01-012019-09-300000051143srt:AmericasMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMemberibm:SystemsMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalFinancingMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143us-gaap:EMEAMember2018-07-012018-09-300000051143srt:AsiaPacificMember2018-07-012018-09-300000051143srt:AmericasMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:SystemsMember2018-01-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2018-01-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalFinancingMember2018-01-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143us-gaap:IntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalTechnologyServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143us-gaap:EMEAMember2018-01-012018-09-300000051143srt:AsiaPacificMember2018-01-012018-09-300000051143srt:AmericasMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TransactionProcessingPlatformsMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TechnologySupportServicesMemberibm:GlobalTechnologyServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsHardwareMemberibm:SystemsMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:OperatingSystemsSoftwareMemberibm:SystemsMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:InfrastructureAndCloudServicesMemberibm:GlobalTechnologyServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalProcessServicesMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ConsultingServicesMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CognitiveApplicationsMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudDataPlatformsMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ApplicationManagementServicesMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143us-gaap:MaterialReconcilingItemsMemberibm:ProductsAndServicesOtherMember2019-07-012019-09-300000051143ibm:TransactionProcessingPlatformsMember2019-07-012019-09-300000051143ibm:TechnologySupportServicesMember2019-07-012019-09-300000051143ibm:SystemsHardwareMember2019-07-012019-09-300000051143ibm:ProductsAndServicesOtherMember2019-07-012019-09-300000051143ibm:OperatingSystemsSoftwareMember2019-07-012019-09-300000051143ibm:InfrastructureAndCloudServicesMember2019-07-012019-09-300000051143ibm:GlobalProcessServicesMember2019-07-012019-09-300000051143ibm:ConsultingServicesMember2019-07-012019-09-300000051143ibm:CognitiveApplicationsMember2019-07-012019-09-300000051143ibm:CloudDataPlatformsMember2019-07-012019-09-300000051143ibm:ApplicationManagementServicesMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TransactionProcessingPlatformsMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TechnologySupportServicesMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsHardwareMemberibm:SystemsMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:OperatingSystemsSoftwareMemberibm:SystemsMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:InfrastructureAndCloudServicesMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalProcessServicesMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ConsultingServicesMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CognitiveApplicationsMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudDataPlatformsMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ApplicationManagementServicesMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143us-gaap:MaterialReconcilingItemsMemberibm:ProductsAndServicesOtherMember2019-01-012019-09-300000051143ibm:TransactionProcessingPlatformsMember2019-01-012019-09-300000051143ibm:TechnologySupportServicesMember2019-01-012019-09-300000051143ibm:SystemsHardwareMember2019-01-012019-09-300000051143ibm:ProductsAndServicesOtherMember2019-01-012019-09-300000051143ibm:OperatingSystemsSoftwareMember2019-01-012019-09-300000051143ibm:InfrastructureAndCloudServicesMember2019-01-012019-09-300000051143ibm:GlobalProcessServicesMember2019-01-012019-09-300000051143ibm:ConsultingServicesMember2019-01-012019-09-300000051143ibm:CognitiveApplicationsMember2019-01-012019-09-300000051143ibm:CloudDataPlatformsMember2019-01-012019-09-300000051143ibm:ApplicationManagementServicesMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TransactionProcessingPlatformsMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TechnologySupportServicesMemberibm:GlobalTechnologyServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsHardwareMemberibm:SystemsMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:OperatingSystemsSoftwareMemberibm:SystemsMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:InfrastructureAndCloudServicesMemberibm:GlobalTechnologyServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalProcessServicesMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ConsultingServicesMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CognitiveApplicationsMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudDataPlatformsMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ApplicationManagementServicesMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143us-gaap:MaterialReconcilingItemsMemberibm:ProductsAndServicesOtherMember2018-07-012018-09-300000051143ibm:TransactionProcessingPlatformsMember2018-07-012018-09-300000051143ibm:TechnologySupportServicesMember2018-07-012018-09-300000051143ibm:SystemsHardwareMember2018-07-012018-09-300000051143ibm:ProductsAndServicesOtherMember2018-07-012018-09-300000051143ibm:OperatingSystemsSoftwareMember2018-07-012018-09-300000051143ibm:InfrastructureAndCloudServicesMember2018-07-012018-09-300000051143ibm:GlobalProcessServicesMember2018-07-012018-09-300000051143ibm:ConsultingServicesMember2018-07-012018-09-300000051143ibm:CognitiveApplicationsMember2018-07-012018-09-300000051143ibm:CloudDataPlatformsMember2018-07-012018-09-300000051143ibm:ApplicationManagementServicesMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TransactionProcessingPlatformsMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:TechnologySupportServicesMemberibm:GlobalTechnologyServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:SystemsHardwareMemberibm:SystemsMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:OperatingSystemsSoftwareMemberibm:SystemsMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:InfrastructureAndCloudServicesMemberibm:GlobalTechnologyServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalProcessServicesMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ConsultingServicesMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CognitiveApplicationsMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:CloudDataPlatformsMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:ApplicationManagementServicesMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143us-gaap:MaterialReconcilingItemsMemberibm:ProductsAndServicesOtherMember2018-01-012018-09-300000051143ibm:TransactionProcessingPlatformsMember2018-01-012018-09-300000051143ibm:TechnologySupportServicesMember2018-01-012018-09-300000051143ibm:SystemsHardwareMember2018-01-012018-09-300000051143ibm:ProductsAndServicesOtherMember2018-01-012018-09-300000051143ibm:OperatingSystemsSoftwareMember2018-01-012018-09-300000051143ibm:InfrastructureAndCloudServicesMember2018-01-012018-09-300000051143ibm:GlobalProcessServicesMember2018-01-012018-09-300000051143ibm:ConsultingServicesMember2018-01-012018-09-300000051143ibm:CognitiveApplicationsMember2018-01-012018-09-300000051143ibm:CloudDataPlatformsMember2018-01-012018-09-300000051143ibm:ApplicationManagementServicesMember2018-01-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember2019-07-012019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember2019-01-012019-09-300000051143country:USibm:SelectMarketingPlatformAndCommerceOfferingsMember2019-01-012019-06-300000051143us-gaap:ForeignPlanMember2019-07-012019-09-300000051143country:US2019-07-012019-09-300000051143us-gaap:ForeignPlanMember2019-01-012019-09-300000051143country:US2019-01-012019-09-300000051143us-gaap:ForeignPlanMember2018-07-012018-09-300000051143country:US2018-07-012018-09-300000051143us-gaap:ForeignPlanMember2018-01-012018-09-300000051143country:US2018-01-012018-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2019-07-012019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-07-012019-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2018-07-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-07-012018-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2019-01-012019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-01-012019-09-300000051143us-gaap:AccumulatedTranslationAdjustmentMember2018-01-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-01-012018-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-07-012019-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2019-07-012019-09-300000051143ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlementsMember2019-07-012019-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-01-012019-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2019-01-012019-09-300000051143ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlementsMember2019-01-012019-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-07-012018-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2018-07-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember2018-07-012018-09-300000051143ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlementsMember2018-07-012018-09-300000051143us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-01-012018-09-300000051143us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2018-01-012018-09-300000051143us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember2018-01-012018-09-300000051143ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlementsMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMember2019-07-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMember2018-01-012018-09-300000051143srt:MinimumMember2019-09-300000051143ibm:IbmInternationalGroupCapitalLlcMember2019-09-300000051143ibm:IndividualParticipantsOfDefinedBenefitPlansVsIbmUnitedKingdomMember2019-09-300000051143ibm:BrazilTaxMattersMember2019-01-012019-09-300000051143ibm:IbmVStateOfIndianaMember2014-02-132014-02-130000051143ibm:OldThreeYearCreditFacilityMember2019-07-180000051143ibm:OldFiveYearCreditFacilityMember2019-07-180000051143ibm:Old364DayCreditFacilityMember2019-07-180000051143ibm:New364DayCreditFacilityMember2019-07-180000051143us-gaap:LineOfCreditMember2019-09-300000051143srt:MinimumMemberus-gaap:EquipmentLeasedToOtherPartyMember2019-09-300000051143srt:MaximumMemberus-gaap:EquipmentLeasedToOtherPartyMember2019-09-300000051143srt:MinimumMemberus-gaap:EquipmentMember2019-09-300000051143srt:MaximumMemberus-gaap:EquipmentMember2019-09-300000051143us-gaap:RealEstateMember2019-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:InterestExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:CostOfSalesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143ibm:OtherIncomeExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143ibm:CostOfServicesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143ibm:CostOfFinancingMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:InterestExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:CostOfSalesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143ibm:OtherIncomeExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143ibm:CostOfServicesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143ibm:CostOfFinancingMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:InterestExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:CostOfSalesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143ibm:OtherIncomeExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143ibm:CostOfServicesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143ibm:CostOfFinancingMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:InterestExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:CostOfSalesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143ibm:OtherIncomeExpenseMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143ibm:CostOfServicesMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143ibm:CostOfFinancingMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:IntersegmentEliminationMember2019-07-012019-09-300000051143us-gaap:CorporateNonSegmentMember2019-07-012019-09-300000051143us-gaap:IntersegmentEliminationMember2019-01-012019-09-300000051143us-gaap:CorporateNonSegmentMember2019-01-012019-09-300000051143us-gaap:IntersegmentEliminationMember2018-07-012018-09-300000051143us-gaap:CorporateNonSegmentMember2018-07-012018-09-300000051143us-gaap:IntersegmentEliminationMember2018-01-012018-09-300000051143us-gaap:CorporateNonSegmentMember2018-01-012018-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-07-012019-09-300000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-07-012019-09-300000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-07-012019-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-07-012018-09-300000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-07-012018-09-300000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-07-012018-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-09-300000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-09-300000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-09-300000051143ibm:DebtNoncurrentMember2018-12-310000051143ibm:DebtCurrentMember2018-12-310000051143us-gaap:FinancialGuaranteeMember2019-09-300000051143us-gaap:FinancialGuaranteeMember2018-12-310000051143us-gaap:MaterialReconcilingItemsMemberus-gaap:DisposalGroupNotDiscontinuedOperationsMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2018-01-012018-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2018-01-012018-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2018-01-012018-12-310000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-12-310000051143us-gaap:MaterialReconcilingItemsMemberus-gaap:DisposalGroupNotDiscontinuedOperationsMember2018-01-012018-12-310000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2019-09-300000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2019-09-300000051143ibm:RedHatMemberibm:SystemsMember2019-09-300000051143ibm:RedHatMemberibm:GlobalTechnologyServicesMember2019-09-300000051143ibm:RedHatMemberibm:GlobalBusinessServicesMember2019-09-300000051143ibm:RedHatMemberibm:CloudAndCognitiveSoftwareMember2019-09-300000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2018-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2018-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2018-12-310000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2018-12-310000051143us-gaap:MaterialReconcilingItemsMemberus-gaap:DisposalGroupNotDiscontinuedOperationsMember2018-12-310000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2017-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2017-12-310000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2017-12-310000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2017-12-310000051143us-gaap:MaterialReconcilingItemsMemberus-gaap:DisposalGroupNotDiscontinuedOperationsMember2017-12-310000051143us-gaap:InterestExpenseMember2019-07-012019-09-300000051143us-gaap:CostOfSalesMember2019-07-012019-09-300000051143ibm:OtherIncomeExpenseMember2019-07-012019-09-300000051143ibm:CostOfServicesMember2019-07-012019-09-300000051143ibm:CostOfFinancingMember2019-07-012019-09-300000051143us-gaap:InterestExpenseMember2019-01-012019-09-300000051143us-gaap:CostOfSalesMember2019-01-012019-09-300000051143ibm:OtherIncomeExpenseMember2019-01-012019-09-300000051143ibm:CostOfServicesMember2019-01-012019-09-300000051143ibm:CostOfFinancingMember2019-01-012019-09-300000051143us-gaap:InterestExpenseMember2018-07-012018-09-300000051143us-gaap:CostOfSalesMember2018-07-012018-09-300000051143ibm:OtherIncomeExpenseMember2018-07-012018-09-300000051143ibm:CostOfServicesMember2018-07-012018-09-300000051143ibm:CostOfFinancingMember2018-07-012018-09-300000051143us-gaap:InterestExpenseMember2018-01-012018-09-300000051143us-gaap:CostOfSalesMember2018-01-012018-09-300000051143ibm:OtherIncomeExpenseMember2018-01-012018-09-300000051143ibm:CostOfServicesMember2018-01-012018-09-300000051143ibm:CostOfFinancingMember2018-01-012018-09-300000051143ibm:AcquiredIntangiblesMember2019-09-300000051143ibm:RedHatMemberibm:SystemsMember2019-01-012019-09-300000051143ibm:RedHatMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143ibm:RedHatMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143ibm:RedHatMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143us-gaap:OtherIntangibleAssetsMember2019-09-300000051143us-gaap:DevelopedTechnologyRightsMember2019-09-300000051143us-gaap:CustomerRelationshipsMember2019-09-300000051143us-gaap:ComputerSoftwareIntangibleAssetMember2019-09-300000051143ibm:PatentsAndTrademarksMember2019-09-300000051143us-gaap:OtherIntangibleAssetsMember2018-12-310000051143us-gaap:DevelopedTechnologyRightsMember2018-12-310000051143us-gaap:CustomerRelationshipsMember2018-12-310000051143us-gaap:ComputerSoftwareIntangibleAssetMember2018-12-310000051143ibm:PatentsAndTrademarksMember2018-12-310000051143us-gaap:FinanceLeasesPortfolioSegmentMember2019-01-012019-09-300000051143us-gaap:LoansReceivableMember2018-01-012018-12-310000051143us-gaap:FinanceLeasesPortfolioSegmentMember2018-01-012018-12-310000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-09-300000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-09-300000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-09-300000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-12-310000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-12-310000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-12-310000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-12-310000051143us-gaap:EMEAMemberus-gaap:LoansReceivableMember2017-12-310000051143us-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2017-12-310000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2017-12-310000051143srt:AsiaPacificMemberus-gaap:LoansReceivableMember2017-12-310000051143srt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2017-12-310000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2017-12-310000051143srt:AmericasMemberus-gaap:LoansReceivableMember2017-12-310000051143srt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2017-12-310000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2017-12-310000051143us-gaap:LoansReceivableMember2017-12-310000051143us-gaap:FinanceLeasesPortfolioSegmentMember2017-12-310000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2017-12-310000051143ibm:PropertyPlantEquipmentMember2019-09-300000051143ibm:DebtNoncurrentMember2019-09-300000051143ibm:DebtCurrentMember2019-09-3000000511432019-01-010000051143ibm:RedHatMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-102019-09-300000051143ibm:RedHatMemberus-gaap:ResearchAndDevelopmentExpenseMember2019-07-102019-09-300000051143ibm:RedHatMemberus-gaap:CostOfSalesMember2019-07-102019-09-300000051143srt:MaximumMemberus-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-01-012019-09-300000051143us-gaap:CreditDefaultSwapMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143ibm:EquityContractInvestmentHedgeMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143ibm:DeemedDerivativeWarrantMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:CreditDefaultSwapMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143ibm:EquityContractInvestmentHedgeMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143ibm:DeemedDerivativeWarrantMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2019-09-300000051143us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMember2019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143ibm:EquityContractEmployeeCompensationHedgeMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:NetInvestmentHedgingMember2019-09-300000051143us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2018-12-310000051143us-gaap:InterestRateSwapMemberus-gaap:CashFlowHedgingMember2018-12-310000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143ibm:EquityContractEmployeeCompensationHedgeMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:NetInvestmentHedgingMember2018-12-310000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:OtherCurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberibm:OtherIncomeExpenseMember2019-01-012019-09-300000051143us-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberibm:OtherIncomeExpenseMember2018-01-012018-09-300000051143us-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2018-01-012018-09-300000051143us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2019-07-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberus-gaap:InterestExpenseMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberibm:CostOfFinancingMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:CostOfSalesMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:OtherIncomeExpenseMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfServicesMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2019-07-012019-09-300000051143ibm:CashFlowHedgingAndNetInvestmentHedgingMember2019-07-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2019-01-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberus-gaap:InterestExpenseMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberibm:CostOfFinancingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:CostOfSalesMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:OtherIncomeExpenseMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfServicesMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2019-01-012019-09-300000051143ibm:CashFlowHedgingAndNetInvestmentHedgingMember2019-01-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberus-gaap:InterestExpenseMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberibm:CostOfFinancingMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:CostOfSalesMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:OtherIncomeExpenseMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfServicesMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2018-07-012018-09-300000051143ibm:CashFlowHedgingAndNetInvestmentHedgingMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberus-gaap:InterestExpenseMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NetInvestmentHedgingMemberibm:CostOfFinancingMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:InterestExpenseMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberus-gaap:CostOfSalesMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:OtherIncomeExpenseMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfServicesMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:CashFlowHedgingMemberibm:CostOfFinancingMember2018-01-012018-09-300000051143ibm:CashFlowHedgingAndNetInvestmentHedgingMember2018-01-012018-09-300000051143ibm:OtherReceivablesMember2019-09-300000051143ibm:OtherReceivablesMember2018-12-310000051143us-gaap:AccountsPayableMember2019-09-300000051143us-gaap:AccountsPayableMember2018-12-310000051143us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2019-01-012019-09-300000051143us-gaap:NetInvestmentHedgingMember2019-01-012019-09-300000051143us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2018-01-012018-12-310000051143us-gaap:ForeignExchangeForwardMemberus-gaap:CashFlowHedgingMember2018-01-012018-12-310000051143us-gaap:NetInvestmentHedgingMember2018-01-012018-12-310000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2019-09-300000051143us-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:PrepaidExpensesAndOtherCurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:OtherNoncurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2018-12-310000051143us-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143us-gaap:ForeignPlanMemberibm:PensionPlanIncludingMultiemployerPlanMember2019-09-300000051143us-gaap:ForeignPlanMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-07-012019-09-300000051143country:USus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-07-012019-09-300000051143us-gaap:ForeignPlanMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-01-012019-09-300000051143us-gaap:ForeignPlanMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2018-07-012018-09-300000051143country:USus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2018-07-012018-09-300000051143us-gaap:ForeignPlanMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2018-01-012018-09-300000051143ibm:ExtendedWarrantyMember2019-09-300000051143ibm:ExtendedWarrantyMember2018-12-310000051143ibm:ExtendedWarrantyMember2018-09-300000051143ibm:ExtendedWarrantyMember2017-12-310000051143us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2019-09-300000051143us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2018-12-310000051143ibm:OldThreeYearCreditFacilityMember2019-07-182019-07-180000051143ibm:OldFiveYearCreditFacilityMember2019-07-182019-07-180000051143ibm:Old364DayCreditFacilityMember2019-07-182019-07-180000051143ibm:NewThreeYearCreditFacilityMaturingJuly202022Member2019-07-182019-07-180000051143ibm:NewFiveYearCreditFacilityMaturingJuly202024Member2019-07-182019-07-180000051143ibm:New364DayCreditFacilityMember2019-07-182019-07-180000051143ibm:NotesPayableOtherPayablesTrancheTwoMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheThreeMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheSixMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheSevenMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheOneMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheFourMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheFiveMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheEightMember2019-05-152019-05-150000051143ibm:NotesPayableOtherPayablesTrancheTwoMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheThreeMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheSixMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheSevenMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheOneMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheFourMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheFiveMember2019-05-150000051143ibm:NotesPayableOtherPayablesTrancheEightMember2019-05-150000051143currency:USDibm:NotesPayableMaturing2096Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2049Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2046Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2045Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2042Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2039Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2038Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2032Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2030Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2029Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2028Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2027Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2026Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2025Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2024Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2023Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2022Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2021Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2020Member2019-09-300000051143currency:USDibm:NotesPayableMaturing2019Member2019-09-300000051143ibm:OtherCurrencyMember2019-09-300000051143ibm:IbmInternationalGroupCapitalLlcMember2019-09-300000051143currency:USD2019-09-300000051143currency:JPY2019-09-300000051143currency:GBP2019-09-300000051143currency:EUR2019-09-300000051143currency:USDibm:NotesPayableMaturing2096Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2046Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2045Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2042Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2039Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2038Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2032Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2030Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2028Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2027Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2026Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2025Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2024Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2023Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2022Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2021Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2020Member2018-12-310000051143currency:USDibm:NotesPayableMaturing2019Member2018-12-310000051143ibm:OtherCurrencyMember2018-12-310000051143currency:USD2018-12-310000051143currency:JPY2018-12-310000051143currency:GBP2018-12-310000051143currency:EUR2018-12-310000051143ibm:NotesPayableOtherPayablesTrancheOneMemberus-gaap:LondonInterbankOfferedRateLIBORMember2019-05-152019-05-150000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member2018-10-012018-12-310000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member2018-01-012018-12-310000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:RetainedEarningsMember2018-01-012018-09-300000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:ParentMember2018-01-012018-09-300000051143us-gaap:AccountingStandardsUpdate201409Member2018-01-012018-09-300000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member2018-01-012018-01-010000051143us-gaap:TechnologyServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:ProductMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:FinancialServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:TechnologyServiceMember2019-07-012019-09-300000051143us-gaap:ProductMember2019-07-012019-09-300000051143us-gaap:FinancialServiceMember2019-07-012019-09-300000051143us-gaap:TechnologyServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:ProductMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:FinancialServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:TechnologyServiceMembersrt:RestatementAdjustmentMember2019-01-012019-09-300000051143us-gaap:ProductMembersrt:RestatementAdjustmentMember2019-01-012019-09-300000051143us-gaap:TechnologyServiceMember2019-01-012019-09-300000051143us-gaap:ProductMember2019-01-012019-09-300000051143us-gaap:FinancialServiceMember2019-01-012019-09-300000051143us-gaap:TechnologyServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:ProductMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:FinancialServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:TechnologyServiceMembersrt:RestatementAdjustmentMember2018-07-012018-09-300000051143us-gaap:ProductMembersrt:RestatementAdjustmentMember2018-07-012018-09-300000051143us-gaap:TechnologyServiceMember2018-07-012018-09-300000051143us-gaap:ProductMember2018-07-012018-09-300000051143us-gaap:FinancialServiceMember2018-07-012018-09-300000051143us-gaap:TechnologyServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:ProductMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:FinancialServiceMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:TechnologyServiceMembersrt:RestatementAdjustmentMember2018-01-012018-09-300000051143us-gaap:ProductMembersrt:RestatementAdjustmentMember2018-01-012018-09-300000051143us-gaap:TechnologyServiceMember2018-01-012018-09-300000051143us-gaap:ProductMember2018-01-012018-09-300000051143us-gaap:FinancialServiceMember2018-01-012018-09-300000051143us-gaap:SubsequentEventMember2019-10-292019-10-290000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:InterestExpenseMember2019-07-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberibm:CostOfFinancingMember2019-07-012019-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberibm:OtherIncomeExpenseMember2019-07-012019-09-300000051143us-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:InterestExpenseMember2019-01-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberibm:CostOfFinancingMember2019-01-012019-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:InterestExpenseMember2018-07-012018-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberibm:CostOfFinancingMember2018-07-012018-09-300000051143us-gaap:ForeignExchangeContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberibm:OtherIncomeExpenseMember2018-07-012018-09-300000051143us-gaap:EquityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2018-07-012018-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberus-gaap:InterestExpenseMember2018-01-012018-09-300000051143us-gaap:InterestRateContractMemberus-gaap:FairValueHedgingMemberibm:CostOfFinancingMember2018-01-012018-09-300000051143us-gaap:ForeignExchangeForwardMemberus-gaap:CashFlowHedgingMember2019-01-012019-09-300000051143us-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2019-01-012019-09-300000051143ibm:ForwardStartingInterestRateSwapMemberus-gaap:CashFlowHedgingMember2019-01-012019-09-3000000511432018-09-3000000511432017-12-310000051143us-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:BankTimeDepositsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:MoneyMarketFundsMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:BankTimeDepositsMemberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:BankTimeDepositsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:MoneyMarketFundsMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:BankTimeDepositsMemberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:AccountingStandardsUpdate201409Memberus-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member2018-01-010000051143ibm:RedHatMemberus-gaap:TrademarksMember2019-07-090000051143ibm:RedHatMemberus-gaap:DevelopedTechnologyRightsMember2019-07-090000051143ibm:RedHatMemberus-gaap:CustomerRelationshipsMember2019-07-090000051143ibm:RedHatMember2019-07-102019-09-300000051143ibm:RedHatMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-012019-09-300000051143ibm:RedHatMemberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-01-012019-09-300000051143ibm:RedHatMember2019-07-012019-09-300000051143ibm:RedHatMember2018-07-012018-09-300000051143ibm:RedHatMember2018-01-012018-09-300000051143us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:FairValueMeasurementsRecurringMember2019-09-300000051143us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:FairValueMeasurementsRecurringMember2018-12-310000051143us-gaap:ForeignExchangeForwardMemberus-gaap:CashFlowHedgingMember2019-09-300000051143us-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2019-09-300000051143ibm:ForwardStartingInterestRateSwapMemberus-gaap:CashFlowHedgingMember2019-09-300000051143us-gaap:ForeignExchangeForwardMemberus-gaap:CashFlowHedgingMember2018-12-310000051143us-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2018-12-310000051143ibm:ForwardStartingInterestRateSwapMemberus-gaap:CashFlowHedgingMember2018-12-310000051143us-gaap:EmployeeStockOptionMember2019-07-012019-09-300000051143us-gaap:EmployeeStockOptionMember2019-01-012019-09-300000051143us-gaap:EmployeeStockOptionMember2018-07-012018-09-300000051143us-gaap:EmployeeStockOptionMember2018-01-012018-09-300000051143ibm:RedHatMemberibm:BridgeLoanCreditFacility2018Memberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-012019-09-300000051143ibm:RedHatMemberibm:BridgeLoanCreditFacility2018Memberus-gaap:SellingGeneralAndAdministrativeExpensesMember2019-01-012019-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-01-012019-09-300000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-01-012019-09-300000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-01-012019-09-300000051143us-gaap:EMEAMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-12-310000051143srt:AsiaPacificMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-12-310000051143srt:AmericasMemberibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-12-310000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2018-01-012018-12-310000051143us-gaap:SellingGeneralAndAdministrativeExpensesMember2019-07-012019-09-300000051143us-gaap:ResearchAndDevelopmentExpenseMember2019-07-012019-09-300000051143ibm:CostOfRevenueMember2019-07-012019-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMember2019-01-012019-09-300000051143us-gaap:ResearchAndDevelopmentExpenseMember2019-01-012019-09-300000051143ibm:CostOfRevenueMember2019-01-012019-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMember2018-07-012018-09-300000051143us-gaap:ResearchAndDevelopmentExpenseMember2018-07-012018-09-300000051143ibm:CostOfRevenueMember2018-07-012018-09-300000051143us-gaap:SellingGeneralAndAdministrativeExpensesMember2018-01-012018-09-300000051143us-gaap:ResearchAndDevelopmentExpenseMember2018-01-012018-09-300000051143ibm:CostOfRevenueMember2018-01-012018-09-300000051143ibm:RedHatMemberus-gaap:TrademarksMember2019-07-092019-07-090000051143ibm:RedHatMemberus-gaap:DevelopedTechnologyRightsMember2019-07-092019-07-090000051143ibm:RedHatMemberus-gaap:CustomerRelationshipsMember2019-07-092019-07-090000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalFinancingMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMember2018-07-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalFinancingMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMember2018-01-012018-09-300000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalFinancingMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMember2019-07-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:SystemsMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalTechnologyServicesMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalFinancingMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:GlobalBusinessServicesMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMemberibm:CloudAndCognitiveSoftwareMember2019-01-012019-09-300000051143us-gaap:OperatingSegmentsMember2019-01-012019-09-300000051143us-gaap:MaterialReconcilingItemsMember2019-07-012019-09-300000051143us-gaap:MaterialReconcilingItemsMember2019-01-012019-09-300000051143us-gaap:MaterialReconcilingItemsMember2018-07-012018-09-300000051143us-gaap:MaterialReconcilingItemsMember2018-01-012018-09-3000000511432021-10-012019-09-3000000511432019-10-012019-09-3000000511432021-01-012018-12-3100000511432019-01-012018-12-310000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingProductMemberibm:GlobalFinancingMember2019-07-012019-09-300000051143ibm:GlobalFinancingProductMember2019-07-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingProductMemberibm:GlobalFinancingMember2019-01-012019-09-300000051143ibm:GlobalFinancingProductMember2019-01-012019-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingProductMemberibm:GlobalFinancingMember2018-07-012018-09-300000051143ibm:GlobalFinancingProductMember2018-07-012018-09-300000051143ibm:OperatingSegmentsExcludingIntersegmentEliminationMemberibm:GlobalFinancingProductMemberibm:GlobalFinancingMember2018-01-012018-09-300000051143ibm:GlobalFinancingProductMember2018-01-012018-09-3000000511432018-01-012018-12-310000051143us-gaap:TreasuryStockCommonMember2019-07-012019-09-300000051143us-gaap:RetainedEarningsMember2019-07-012019-09-300000051143us-gaap:ParentMember2019-07-012019-09-300000051143us-gaap:NoncontrollingInterestMember2019-07-012019-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2019-07-012019-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-07-012019-09-300000051143us-gaap:TreasuryStockCommonMember2019-01-012019-09-300000051143us-gaap:RetainedEarningsMember2019-01-012019-09-300000051143us-gaap:ParentMember2019-01-012019-09-300000051143us-gaap:NoncontrollingInterestMember2019-01-012019-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2019-01-012019-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-01-012019-09-300000051143us-gaap:TreasuryStockCommonMember2018-07-012018-09-300000051143us-gaap:RetainedEarningsMember2018-07-012018-09-300000051143us-gaap:ParentMember2018-07-012018-09-300000051143us-gaap:NoncontrollingInterestMember2018-07-012018-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2018-07-012018-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-07-012018-09-300000051143us-gaap:TreasuryStockCommonMember2018-01-012018-09-300000051143us-gaap:RetainedEarningsMember2018-01-012018-09-300000051143us-gaap:ParentMember2018-01-012018-09-300000051143us-gaap:NoncontrollingInterestMember2018-01-012018-09-300000051143us-gaap:CommonStockIncludingAdditionalPaidInCapitalMember2018-01-012018-09-300000051143us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-01-012018-09-300000051143us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-07-012019-09-300000051143us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-01-012019-09-300000051143us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-07-012018-09-300000051143us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143us-gaap:NotesPayableOtherPayablesMember2019-05-150000051143ibm:LitigationCaseRelatedToViolationsOfEmployeeRetirementIncomeSecurityActInUnitedStatesDistrictCourtRegardingDivestingMicroelectronicsBusinessMember2015-05-012015-05-310000051143us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-07-012019-09-300000051143country:USus-gaap:PensionPlansDefinedBenefitMember2019-07-012019-09-300000051143us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-01-012019-09-300000051143country:USus-gaap:PensionPlansDefinedBenefitMember2019-01-012019-09-300000051143us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2018-07-012018-09-300000051143country:USus-gaap:PensionPlansDefinedBenefitMember2018-07-012018-09-300000051143us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2018-01-012018-09-300000051143country:USus-gaap:PensionPlansDefinedBenefitMember2018-01-012018-09-300000051143ibm:ScoVsIbmMember2017-10-300000051143ibm:IbmVStateOfIndianaMember2017-08-072017-08-070000051143ibm:MoodysCaaToDRatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysCaaToDRatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysCaaToDRatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysCaaToDRatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysCaaToDRatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysCaaToDRatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa3ToB1RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysBa1ToBa2RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysB2ToB3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysB2ToB3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysB2ToB3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysB2ToB3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysB2ToB3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysB2ToB3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysAaaToAa3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysA1ToA3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysA1ToA3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysA1ToA3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysA1ToA3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysA1ToA3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143ibm:MoodysA1ToA3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143us-gaap:EMEAMemberus-gaap:LoansReceivableMember2019-09-300000051143us-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143srt:AsiaPacificMemberus-gaap:LoansReceivableMember2019-09-300000051143srt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143srt:AmericasMemberus-gaap:LoansReceivableMember2019-09-300000051143srt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143ibm:MoodysCaaToDRatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysCaaToDRatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysCaaToDRatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysCaaToDRatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysCaaToDRatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysCaaToDRatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBaa1ToBaa3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa3ToB1RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysBa1ToBa2RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysB2ToB3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysB2ToB3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysB2ToB3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysB2ToB3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysB2ToB3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysB2ToB3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysAaaToAa3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysA1ToA3RatingMemberus-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysA1ToA3RatingMemberus-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysA1ToA3RatingMembersrt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysA1ToA3RatingMembersrt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143ibm:MoodysA1ToA3RatingMembersrt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143ibm:MoodysA1ToA3RatingMembersrt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143us-gaap:EMEAMemberus-gaap:LoansReceivableMember2018-12-310000051143us-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143srt:AsiaPacificMemberus-gaap:LoansReceivableMember2018-12-310000051143srt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143srt:AmericasMemberus-gaap:LoansReceivableMember2018-12-310000051143srt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143srt:MinimumMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-01-012019-09-300000051143srt:MinimumMemberus-gaap:CommercialLoanMember2019-01-012019-09-300000051143srt:MaximumMemberus-gaap:FinanceLeasesPortfolioSegmentMember2019-01-012019-09-300000051143srt:MaximumMemberus-gaap:CommercialLoanMember2019-01-012019-09-300000051143us-gaap:LoansReceivableMember2019-01-012019-09-300000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMember2019-01-012019-09-300000051143us-gaap:EMEAMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143us-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143srt:AsiaPacificMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143srt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143srt:AmericasMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143srt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143us-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143us-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-09-300000051143us-gaap:EMEAMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143us-gaap:EMEAMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143srt:AsiaPacificMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143srt:AsiaPacificMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143srt:AmericasMemberus-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143srt:AmericasMemberus-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143us-gaap:LoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143us-gaap:FinanceLeasesPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143ibm:FinanceLeasesPortfolioSegmentAndLoansReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2018-12-310000051143srt:MinimumMemberibm:RedHatMember2019-07-092019-07-090000051143srt:MaximumMemberibm:RedHatMember2019-07-092019-07-090000051143ibm:IbmVStateOfIndianaMember2012-07-182012-07-180000051143srt:MaximumMemberibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-06-302019-06-300000051143us-gaap:NonUsMemberibm:SelectMarketingPlatformAndCommerceOfferingsMember2019-06-302019-06-300000051143country:USibm:SelectMarketingPlatformAndCommerceOfferingsMember2019-06-302019-06-300000051143ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-06-302019-06-300000051143ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-07-012019-09-300000051143country:USibm:SelectMarketingPlatformAndCommerceOfferingsMember2019-06-300000051143ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-06-300000051143ibm:ForwardStartingInterestRateSwapMemberus-gaap:CashFlowHedgingMember2019-05-150000051143country:USus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-01-012019-09-300000051143country:USus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2018-01-012018-09-300000051143us-gaap:ForeignPlanMemberibm:PensionPlanIncludingMultiemployerPlanMember2019-01-012019-09-300000051143us-gaap:ForeignPlanMemberibm:PensionPlanIncludingMultiemployerPlanMember2018-01-012018-09-300000051143country:USus-gaap:PensionPlansDefinedBenefitMember2018-12-312018-12-310000051143us-gaap:RevolvingCreditFacilityMember2019-01-012019-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:RetainedEarningsMember2018-01-012018-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:AccumulatedTranslationAdjustmentMember2018-01-012018-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:AccumulatedOtherComprehensiveIncomeMember2018-01-012018-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-01-012018-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2018-01-012018-09-300000051143ibm:AccountingStandardsUpdates201601And201712And201802Memberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-01-012018-09-300000051143ibm:ExtendedWarrantyMember2019-01-012019-09-300000051143ibm:ExtendedWarrantyMember2018-01-012018-09-300000051143us-gaap:RestrictedStockUnitsRSUMember2019-07-012019-09-300000051143us-gaap:RestrictedStockUnitsRSUMember2019-01-012019-09-300000051143us-gaap:LoansReceivableMember2019-09-300000051143us-gaap:FinanceLeasesPortfolioSegmentMember2019-09-300000051143us-gaap:CommercialLoanMember2019-09-300000051143us-gaap:LoansReceivableMember2018-12-310000051143us-gaap:FinanceLeasesPortfolioSegmentMember2018-12-310000051143us-gaap:CommercialLoanMember2018-12-310000051143ibm:SelectGlobalBusinessServicesMember2019-07-012019-09-300000051143ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-01-012019-09-300000051143ibm:SelectGlobalBusinessServicesMember2019-01-012019-09-300000051143ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsMember2019-01-012019-06-300000051143ibm:RedHatMember2019-07-090000051143ibm:RedHatMember2019-07-092019-07-090000051143ibm:RedHatMember2019-09-300000051143ibm:RedHatMember2019-01-012019-09-3000000511432019-07-012019-09-3000000511432018-07-012018-09-3000000511432018-01-012018-09-300000051143us-gaap:DisposalGroupNotDiscontinuedOperationsMember2019-01-012019-09-3000000511432018-12-310000051143exch:XNYSus-gaap:CommonStockMember2019-01-012019-09-300000051143exch:XNYSibm:Notes2.875PercentDue2025Member2019-01-012019-09-300000051143exch:XNYSibm:Notes2.750PercentDue2020Member2019-01-012019-09-300000051143exch:XNYSibm:Notes2.625PercentDue2022Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.875PercentDue2020Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.750PercentDue2031Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.750PercentDue2028Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.500PercentDue2029Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.375PercentDue2019Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.25PercentDue2023Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.250PercentDue2027Member2019-01-012019-09-300000051143exch:XNYSibm:Notes1.125PercentDue2024Member2019-01-012019-09-300000051143exch:XNYSibm:Notes0.950PercentDue2025Member2019-01-012019-09-300000051143exch:XNYSibm:Notes0.875PercentDue2025Member2019-01-012019-09-300000051143exch:XNYSibm:Notes0.500PercentDue2021Member2019-01-012019-09-300000051143exch:XNYSibm:Notes0.375PercentDue2023Member2019-01-012019-09-300000051143exch:XNYSibm:Notes0.300PercentDue2026Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures8.375PercentDue2019Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures7.125PercentDue2096Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures7.00PercentDue2045Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures7.00PercentDue2025Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures6.50PercentDue2028Member2019-01-012019-09-300000051143exch:XNYSibm:Debentures6.22PercentDue2027Member2019-01-012019-09-300000051143exch:XCHIus-gaap:CommonStockMember2019-01-012019-09-3000000511432019-09-3000000511432019-01-012019-09-30ibm:instrumentibm:countryxbrli:sharesiso4217:USDxbrli:pureibm:entityibm:itemibm:claimibm:defendantibm:trancheiso4217:USDxbrli:shares

Table of Contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10 - Q

QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTER ENDED SEPTEMBER 30, 2019

1-2360

(Commission file number)

INTERNATIONAL BUSINESS MACHINES CORPORATION

(Exact name of registrant as specified in its charter)

New York

13-0871985

(State of incorporation)

(IRS employer identification number)

One New Orchard Road

Armonk, New York

10504

(Address of principal executive offices)

(Zip Code)

914-499-1900

(Registrant’s telephone number)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

    

Trading symbol

    

Name of each exchange
on which registered

Capital stock, par value $.20 per share

 

IBM

 

New York Stock Exchange

 

 

 

 

Chicago Stock Exchange

1.375%  Notes due 2019

 

IBM 19B

 

New York Stock Exchange

2.750%  Notes due 2020

 

IBM 20B

 

New York Stock Exchange

1.875%  Notes due 2020

 

IBM 20A

 

New York Stock Exchange

0.500%  Notes due 2021

 

IBM 21B

 

New York Stock Exchange

2.625%  Notes due 2022

 

IBM 22A

 

New York Stock Exchange

1.25%    Notes due 2023

 

IBM 23A

 

New York Stock Exchange

0.375%  Notes due 2023

 

IBM 23B

 

New York Stock Exchange

1.125%  Notes due 2024

 

IBM 24A

 

New York Stock Exchange

2.875%  Notes due 2025

 

IBM 25A

 

New York Stock Exchange

0.950%  Notes due 2025

 

IBM 25B

 

New York Stock Exchange

0.875%  Notes due 2025

 

IBM 25C

 

New York Stock Exchange

0.300%  Notes due 2026

 

IBM 26B

 

New York Stock Exchange

1.250%  Notes due 2027

 

IBM 27B

 

New York Stock Exchange

1.750%  Notes due 2028

 

IBM 28A

 

New York Stock Exchange

1.500%  Notes due 2029

 

IBM 29

 

New York Stock Exchange

1.750%  Notes due 2031

 

IBM 31

 

New York Stock Exchange

8.375%  Debentures due 2019

 

IBM 19

 

New York Stock Exchange

7.00%    Debentures due 2025

 

IBM 25

 

New York Stock Exchange

6.22%    Debentures due 2027

 

IBM 27

 

New York Stock Exchange

6.50%    Debentures due 2028

 

IBM 28

 

New York Stock Exchange

7.00%    Debentures due 2045

 

IBM 45

 

New York Stock Exchange

7.125%  Debentures due 2096

 

IBM 96

 

New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section l3 or l5(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes     No 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes     No 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer 

Accelerated filer 

Non-accelerated filer 

Smaller reporting company

Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act).

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes     No 

The registrant had 885,637,454 shares of common stock outstanding at September 30, 2019.

Table of Contents

Index

Page

Part I - Financial Information:

Item 1. Consolidated Financial Statements (Unaudited):

Consolidated Statement of Earnings for the three and nine months ended September 30, 2019 and 2018

3

Consolidated Statement of Comprehensive Income for the three and nine months ended September 30, 2019 and 2018

4

Consolidated Statement of Financial Position at September 30, 2019 and December 31, 2018

5

Consolidated Statement of Cash Flows for the nine months ended September 30, 2019 and 2018

7

Consolidated Statement of Changes in Equity for the three and nine months ended September 30, 2019 and 2018

8

Notes to Consolidated Financial Statements

10

Item 2. Management’s Discussion and Analysis of Results of Operations and Financial Condition

64

Item 4. Controls and Procedures

104

Part II - Other Information:

Item 1. Legal Proceedings

105

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds and Issuer Repurchases of Equity Securities

105

Item 5. Other Information

105

Item 6. Exhibits

106

2

Table of Contents

Part I - Financial Information

Item 1. Consolidated Financial Statements:

INTERNATIONAL BUSINESS MACHINES CORPORATION

AND SUBSIDIARY COMPANIES

CONSOLIDATED STATEMENT OF EARNINGS

(UNAUDITED)

Three Months Ended September 30, 

 

Nine Months Ended September 30, 

(Dollars in millions except per share amounts)

    

2019

    

2018

     

2019

    

2018

Revenue:

 

  

 

  

  

 

  

Services

$

11,703

$

12,043

*

$

35,454

*

$

36,848

*

Sales

 

5,981

 

6,324

*

 

18,817

*

 

19,787

*

Financing

 

343

 

389

 

1,099

 

1,195

Total revenue

 

18,028

 

18,756

 

55,370

 

57,830

Cost:

 

  

 

  

 

  

 

  

Services

 

7,840

 

7,951

*

 

24,293

*

 

25,238

*

Sales

 

1,635

 

1,714

*

 

4,979

*

 

5,498

*

Financing

 

217

 

287

 

710

 

846

Total cost

 

9,692

 

9,953

 

29,982

 

31,582

Gross profit

 

8,336

 

8,803

 

25,388

 

26,249

Expense and other (income):

 

  

 

  

 

  

 

  

Selling, general and administrative

 

5,024

 

4,363

 

15,171

 

14,665

Research, development and engineering

 

1,553

 

1,252

 

4,393

 

4,021

Intellectual property and custom development income

 

(166)

 

(275)

 

(489)

 

(842)

Other (income) and expense

 

(31)

 

275

 

(850)

 

968

Interest expense

 

432

 

191

 

990

 

530

Total expense and other (income)

 

6,813

 

5,807

 

19,215

 

19,341

Income from continuing operations before income taxes

 

1,522

 

2,996

 

6,173

 

6,908

Provision for/(benefit from) income taxes

 

(151)

 

304

 

407

 

138

Income from continuing operations

$

1,673

$

2,692

$

5,766

$

6,770

Income/(loss) from discontinued operations, net of tax

 

(1)

 

2

 

(5)

 

7

Net income

$

1,672

$

2,694

$

5,761

$

6,777

Earnings/(loss) per share of common stock:

 

  

 

  

 

  

 

  

Assuming dilution:

 

  

 

  

 

  

 

  

Continuing operations

$

1.87

$

2.94

$

6.46

$

7.36

Discontinued operations

 

0.00

 

0.00

 

(0.01)

 

0.01

Total

$

1.87

$

2.94

$

6.45

$

7.37

Basic:

 

  

 

  

 

  

 

  

Continuing operations

$

1.89

$

2.95

$

6.50

$

7.39

Discontinued operations

 

0.00

 

0.00

 

(0.01)

 

0.01

Total

$

1.89

$

2.95

$

6.49

$

7.40

Weighted-average number of common shares outstanding: (millions)

 

  

 

  

 

  

 

  

Assuming dilution

 

892.8

 

915.2

 

892.5

 

920.0

Basic

 

886.0

 

911.2

 

887.3

 

915.6

Reclassified to conform to current period presentation. Refer to note 1, “Basis of Presentation.”

(Amounts may not add due to rounding.)

(The accompanying notes are an integral part of the financial statements.)

3

Table of Contents

INTERNATIONAL BUSINESS MACHINES CORPORATION

AND SUBSIDIARY COMPANIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

(UNAUDITED)

Three Months Ended September 30, 

 

Nine Months Ended September 30, 

(Dollars in millions)

    

2019

    

2018

     

2019

    

2018

Net income

$

1,672

$

2,694

$

5,761

$

6,777

Other comprehensive income/(loss), before tax:

 

  

 

  

 

  

 

  

Foreign currency translation adjustments

 

(509)

 

(22)

 

(333)

 

(535)

Net changes related to available-for-sale securities:

 

  

 

  

 

  

 

  

Unrealized gains/(losses) arising during the period

 

3

 

0

 

1

 

(2)

Reclassification of (gains)/losses to net income

 

 

 

 

Total net changes related to available-for-sale securities

 

3

 

0

 

1

 

(2)

Unrealized gains/(losses) on cash flow hedges:

 

  

 

  

 

  

 

  

Unrealized gains/(losses) arising during the period

 

(439)

 

(46)

 

(798)

 

(134)

Reclassification of (gains)/losses to net income

</