IBM


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CostOfRevenue
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation
us-gaap:InterestExpenseDebt

us-gaap:NetIncomeLoss
us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense
us-gaap:ConsolidationItems
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquitySecuritiesFvNi

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStocksIncludingAdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

ibm:AcquisitionRelatedCharges

ibm:AllowanceForDoubtfulAccountsReceivableOther

ibm:AmortizationAcquiredIntangibleAssets

ibm:AmortizationOfIntangibleAssetsNetOfCurrencyImpact
us-gaap:BusinessAcquisition
ibm:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductiblePercent

ibm:ChangeInPretaxStockBasedCompensation
us-gaap:AwardType
us-gaap:BusinessAcquisition
ibm:ChangeInPretaxStockBasedCompensationAttributableToConversionOfAwardsIssuedByAcquirees
us-gaap:ProductOrService
ibm:ContractWithCustomerLiabilityAdditions
us-gaap:ProductOrService
ibm:ContractWithCustomerLiabilityOther
us-gaap:CreditFacility
ibm:DefaultProvisionOnCreditFacility

ibm:DefinedBenefitPlanContributionsByEmployerNoncash
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
ibm:DefinedBenefitPlanNonpensionPostretirementBenefitPlanAndNonpensionMedicalTrustContributionsByEmployerNoncash
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
ibm:DisposalGroupIncludingDiscontinuedOperationConsiderationReceived

ibm:ExpenseAndOtherIncome

ibm:GainLossOnDispositionOfAssetsAndOther

ibm:IntangibleAssetsFullyAmortizedRetired

ibm:IntellectualPropertyAndCustomDevelopmentIncome
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
ibm:MultiEmployerDefinedBenefitPlanCosts

ibm:NetIncomeLossOnContingencyIssuableShares
us-gaap:CreditFacility
ibm:NetInterestExpenseRatio

ibm:NonOperatingFinanceReceivablesNet

ibm:NonoperatingRetirementRelatedCosts

ibm:OtherIncomeAndExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

ibm:OtherPostretirementBenefitExpenseChangePercent
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
ibm:PaymentsRelatingToDeferredRevenueExistedPriorToDivestiture

ibm:PaymentsToAcquireAndDevelopSoftware

ibm:PensionAndOtherPostretirementBenefitExpenseChangePercent

ibm:PensionExpenseChangePercent

ibm:PurchasesSalesTreasuryStockUnderEmployeePlansNet
us-gaap:StatementEquityComponents
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
ibm:RevenueFinancialServices
us-gaap:ConsolidationItems
ibm:RevenuesExcludingDisposalGroups

ibm:SalesTypeAndDirectFinancingLeasesLeaseIncome
us-gaap:ConsolidationItems
ibm:SegmentReportingInformationPretaxIncomeChangePercent
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
ibm:SegmentReportingInformationPretaxIncomeMargin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
ibm:SegmentReportingInformationRevenueChangePercent
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ibm:SpinOffRelatedCosts

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ProductOrService

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:CostOfGoodsSoldSalesTypeLease
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanOtherCosts
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedContributionPlanCostRecognized

us-gaap:Depreciation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:ExtinguishmentOfDebtAmount
us-gaap:DebtInstrument
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableSignificantSales
us-gaap:CounterpartyName, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss

us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease
us-gaap:IncomeStatementLocation
us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:IncreaseDecreaseInDerivativeLiabilities

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsIncurred

us-gaap:LeaseIncome
us-gaap:LitigationCase
us-gaap:LitigationSettlementAmountAwardedToOtherParty
us-gaap:LitigationCase
us-gaap:LossContingencyDamagesSoughtValue
us-gaap:LossContingenciesByNatureOfContingency

us-gaap:MinorityInterestPeriodIncreaseDecrease
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherPostretirementBenefitExpense

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PensionAndOtherPostretirementBenefitExpense

us-gaap:PensionExpense
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities
us-gaap:StatementScenario, us-gaap:SubsequentEventType
us-gaap:RestructuringCharges

us-gaap:SalesTypeAndDirectFinancingLeasesInterestIncome

us-gaap:SalesTypeLeaseRevenue

us-gaap:SalesTypeLeaseSellingProfitLoss

us-gaap:StandardProductWarrantyAccrualPayments

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseIncome

ibm:AccruedLiabilitiesAndOtherLiabilitiesCurrent
us-gaap:BusinessAcquisition
ibm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndOtherNoncurrentAssets

ibm:DebtInstrumentCarryingAmountExcludingFinanceLeaseObligations
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
ibm:DerivativeTerminatedAmount

ibm:FinanceLeaseWeightedAverageInterestRate
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
ibm:FinancingReceivableBilledInvoices90DaysPastDueAndStillAccruing
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue

ibm:FinancingReceivableGuaranteedAndUnguaranteedResidualAsset
us-gaap:FinancingReceivablePortfolioSegment

ibm:FinancingReceivableGuaranteedAndUnguaranteedResidualValue
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:FinancingReceivablePortfolioSegment
ibm:FinancingReceivablesToBeSold

ibm:FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfterYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ibm:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

ibm:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndAfterYearFive

ibm:RevenueRemainingPerformanceObligationExpectedTimingPercentage
us-gaap:BalanceSheetLocation, us-gaap:BusinessAcquisition
ibm:UnremittedCashConsideration
us-gaap:BusinessAcquisition

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent

us-gaap:AllowanceForNotesAndLoansReceivableCurrent

us-gaap:AllowanceForNotesAndLoansReceivableNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:AociBeforeTaxAttributableToParent
us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedContractCostNetCurrent

us-gaap:CapitalizedContractCostNetNoncurrent
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:CommercialPaper

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterestNoncurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:ProductOrService
us-gaap:DeferredRevenue

us-gaap:DeferredRevenueCurrent
us-gaap:ProductOrService

us-gaap:DeferredRevenueNoncurrent
us-gaap:ProductOrService

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:BalanceSheetLocation, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction
us-gaap:BalanceSheetLocation
us-gaap:DerivativeCollateralObligationToReturnCash
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquitySecuritiesFVNINoncurrent

us-gaap:FinanceLeaseLiability

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation
us-gaap:HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease
us-gaap:BalanceSheetLocation
us-gaap:HedgedLiabilityFairValueHedge
us-gaap:BalanceSheetLocation
us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ImpairedFinancingReceivableRelatedAllowance

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves

us-gaap:InvestmentsAndOtherNoncurrentAssets
us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:LoansAndLeasesReceivableCollateralForSecuredBorrowings

us-gaap:LoansAndLeasesReceivableDeferredIncome
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome
us-gaap:CreditRatingMoodys, us-gaap:StatementGeographical
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:Currency
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:Currency, us-gaap:DebtInstrument

us-gaap:NotesAndLoansReceivableNetCurrent
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:NotesAndLoansReceivableNetNoncurrent
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:NotesReceivableNet
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:OtherReceivablesNetCurrent
us-gaap:CounterpartyName, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ReceivablesHeldForSaleAmount
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:RestrictedCash
us-gaap:BusinessAcquisition

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:ShortTermBankLoansAndNotesPayable

us-gaap:ShortTermBorrowings
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:StandardProductWarrantyAccrual

us-gaap:TreasuryStockCommonValue
us-gaap:OtherCommitments
us-gaap:UnusedCommitmentsToExtendCredit
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Liability Noncurrent
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Liabilities Current
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▆▃▁▁904.2901.7897.3894.9895.0NA892.8890.8893.910526NA915.212631919.398606925.409434NA933.227429939.6947.8NA957.3960.5964.4NA979.0986.7992.3NA997.71005.11041.8NA1098.81109.41124.0NA1149.31161.91174.2NA1204.91221.41240.0NA1272.81296.71321.6
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▇▄▂▁895.0893.6891.4889.4888.0NA886.0886.3889.581542NA911.152848915.064434920.680222NA929.437441934.9942.4NA954.0957.4961.7NA975.1982.3988.1NA991.8999.61035.2NA1090.91100.91113.7NA1137.21149.01159.1NA1188.61204.81222.2NA1255.21278.61301.2
us-gaap:EarningsPerShareBasic ▄▃▄▄▃▆▄▅▄▄▅▅▄▁▅▅▄▇▅▅▄▇▅▆▅█▂▆▄█▆▅▅▇▆▆▅▇▅▅▅▆▅▅▄1.481.071.91.531.324.1400000000000011.892.821.792.172.952.631.82-1.11000000000000032.932.491.864.72999999999999952.992.622.094.593.033.512.365.490.024.142.35.7100000000000013.72.932.725.1499999999999993.363.382.654.653.233.042.344.1999999999999992.862.652.0
us-gaap:EarningsPerShareDiluted ▄▃▄▄▃▆▄▅▄▄▅▅▄▁▅▅▄▇▅▅▄▇▅▆▅█▂▆▅█▆▅▅▇▆▆▅▇▅▅▅▆▅▅▄1.471.061.891.521.314.111.872.811.782.14999999999999952.942.611.81-1.10000000000000052.922.481.854.7100000000000012.982.612.094.573.013.52.355.460.024.122.295.673.682.912.75.13.333.342.614.583.193.02.314.142.822.611.97
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▄▃▄▄▃▆▄▅▄▄▅▅▄▁▅▅▄▇▅▅▄▇▅▆▅█▆▆▅█▆1.48e-061.0700000000000001e-061.8999999999999998e-061.53e-061.32e-064.130000000000001e-061.89e-062.8199999999999997e-061.79e-062.170000000000001e-062.95e-062.63e-061.8200000000000002e-06-1.1100000000000004e-062.9300000000000003e-062.4900000000000003e-061.8600000000000002e-064.7399999999999995e-062.99e-062.62e-062.09e-064.59e-063.04e-063.59e-062.4500000000000003e-065.5299999999999996e-063.48e-064.25e-062.44e-065.74e-063.79e-06NANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▄▃▄▄▃▆▄▅▄▄▅▅▄▁▅▅▄▇▅▅▄▇▅▆▅█▆▆▅█▆1.47e-061.06e-061.89e-061.52e-061.31e-064.1100000000000005e-061.87e-062.81e-061.7800000000000001e-062.1499999999999993e-062.94e-062.61e-061.81e-06-1.1000000000000005e-062.92e-062.48e-061.85e-064.7200000000000005e-062.98e-062.61e-062.09e-064.57e-063.02e-063.58e-062.44e-065.5e-063.46e-064.23e-062.43e-065.700000000000001e-063.77e-06NANANANANANANANANANANANANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 Cost Ratio us-gaap:ProductOrService us-gaap:FinancialService▁▁▂▂▃▃▄▅▆▆▆▆▇█▇▇242.0242.0275.0268.0302.0303.0343.0351.0404.0404.0389.0396.0410.0455.0433.0418.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ProductOrService us-gaap:Product▄▂▂▄▂█▂▃▁▆▂▃▂▇▂▃▁7018.06083.06106.06918.05895.09435.05981.06458.05354.08420.05800.06721.05700.08971.06017.06324.05404.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ProductOrService us-gaap:TechnologyService▃▂▂▁▂▅▃▆▆▇▆▇▇█▇▆11485.011404.011180.010937.011373.012039.011703.012352.012423.012936.012566.012886.012961.013117.012703.012547.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments▃▁▁▂▁▆▂▂▂▆▂▄▃▇▃▃▂▆▃▄▃█▃▅20351.019264.019193.019655.019023.023354.019462.020170.019433.023252.020170.021628.020595.024187.020482.020612.019576.023337.020613.021723.020264.024671.020821.022506.0NA25892.024334.026390.024476.029732.025461.026737.025185.031265.026570.027529.0NANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ibm:CloudAndCognitiveSoftware▄▃▃▃▂█▂▃▁▆▁▃▂6824.06269.06428.06491.06052.07930.05966.06252.05879.07333.05738.06280.06047.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ibm:GlobalBusinessServices▄▃▁▁▃▄▃▃▃▄▃▃▃▃▃▃▂▃▃▄▃▄▄▅▅▅▆▆▆█▇▇▆█▇█4399.04289.04014.03945.04183.04307.04187.04224.04193.04399.04207.04275.04263.04244.04185.04190.04092.04221.04284.04359.04245.04415.04326.04475.04449.04475.04594.04674.04624.04915.04735.04795.04664.04902.04717.04847.0NANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ibm:GlobalFinancing▂▁▂▂▂▃▃▃▄▄▄▅▅▆▄▄▄▅▄▅▅█▆█▇▇▇█▇█▆▇▆▇▆▆502.0408.0480.0506.0511.0649.0645.0632.0706.0772.0726.0867.0834.0997.0698.0705.0768.0909.0763.0926.0896.01216.01031.01182.01048.01119.01084.01189.01129.01188.01015.01061.01040.01103.0963.01032.0NANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ibm:GlobalTechnologyServices▁▁▂▁▂▅▄▅▅█▇▇█6668.06683.06774.06621.06761.07227.06988.07139.07164.07583.07380.07494.07562.0NANANANANANANANA8360.08127.08272.08081.09362.09470.09661.09570.010180.09755.09828.09852.010581.010206.010286.0NANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ibm:Systems▃▁▁▃▁▇▂▃▁▆▂▄▂█▃▃▁▅▂▃▂▇▃▅▄1958.01616.01497.02092.01516.03239.01676.01924.01491.02859.01917.02419.01653.03511.01948.01924.01562.02686.01734.02156.01888.03099.02182.02730.02314.0NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▆▇█▅▆▇▃▂▃▂▂▂▃▂▃▂▃▃▂▃▁▂▃243.0213.0222.0247.0189.0211.0220.0135.0113.0139.0129.0125.0116.0146.0123.0136.0129.0141.0142.0128.0133.099.0111.0131.0NA96.0150.0142.0124.0159.0150.0161.0144.0178.0183.0160.0168.0199.0166.0162.0170.0155.0153.0151.0169.0
us-gaap:ComprehensiveIncomeNetOfTax ▄▅▄▄▂█▄▆▄▂▆▆▅▁▇▆▅▇▇▆▅1930.02036.01870.01888.0489.04159.01427.02839.01899.0282.03164.02697.02109.0-125.03394.02852.02438.03268.03293.02899.02622.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▃▃▃▃▂▅▃▄▃▂▄▄▃▂▄▄▃▄▄▄▄▄▃▄▃▁▂▅▄█▅▄▄▂▅▄▄▃▄▅▄▄▅▄▄1930.02036.01870.01888.0489.04159.01427.02839.01899.0282.03164.02697.02109.0-125.03394.02852.02438.03268.03293.02899.02622.03011.02227.03860.02361.0-1414.0-591.04923.02830.09554.04844.02917.03325.0795.04601.03498.03837.01703.02850.04673.03487.03993.04621.03053.03253.0
us-gaap:CostOfRevenue ▂▁▁▁▂▃▂▂▂▃▂▃▃▄▃▃▃▃▂▃▂▃▂▃▂▄▄▅▄▆▅▆▅▇▆▆▆█▇▇▇█▆▆▆9741.09525.09130.09423.09649.010677.09692.010151.010139.011073.09953.010804.010825.011681.010353.010495.010383.010877.010213.010536.09999.010652.09844.010423.010138.011251.011523.012389.011941.013383.012341.012792.012730.014137.013016.013502.013555.014764.013984.014282.013749.014792.013270.012915.012880.0
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations ibm:SelectMarketingPlatformAndCommerceOfferingsNANA5.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations ibm:SelectStandaloneCloudAndCognitiveSoftwareProductsNANA3.012.0625.0NA72.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity,us-gaap:DebtInstrument ibm:IbmCreditLlc,ibm:FixedRateDebtDue2021To2023NA-22.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▂▁▂▂▁▄▂▂▁▄▂▂▁▄▂▂▁▄▂▃▂▄▃▃▃▆▄▅▄▇▄▅▄█▅▅▄█▅▅▄▇▄▄▃9004.08204.08430.08700.07922.011100.08336.09010.08043.010687.08803.09199.08247.010862.08800.08794.07772.010893.09013.09702.08686.011406.09436.010390.09452.012862.010874.011975.010543.014316.011380.012132.010678.015167.011732.012281.011118.014722.012173.012385.010858.014227.011001.010809.09976.0
us-gaap:IncomeLossFromContinuingOperations ▄▄▄▄▄▇▄▅▄▅▆▅▄▁▆▅▅█▆▅▅1325.0956.01698.01362.01176.03669.01673.02499.01593.01953.02692.02402.01675.0-1053.02726.02332.01753.04506.02854.02505.02016.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▂▂▃▂▁▅▂▄▃▅▄▄▂▅▄▃▂▅▄▄▂▆▄▅▄▇▅▆▄▇▅▅▄█▆▆▄█▆▅▄▇▅▅1552.0905.01827.01571.0-49.03993.01522.02768.01883.04434.02996.02776.01136.04469.03065.02443.01424.04985.03263.03049.01034.05099.03621.04224.03001.07095.04361.05171.02980.06962.04812.04144.03606.07831.05074.05161.03836.07274.05027.04885.03817.06956.04677.04575.0NA
us-gaap:IncomeTaxExpenseBenefit ▃▂▂▂▁▃▂▃▃▅▃▃▂█▃▂▂▃▃▃▁▃▃▃▃▄▃▃▃▃▃▃▃▄▄▄▃▄▄▄▃▄▃▄▃227.0-51.0128.0209.0-1226.0324.0-151.0269.0289.02481.0304.0373.0-540.05522.0339.0111.0-329.0480.0409.0544.0-983.0638.0659.0698.0585.01579.0906.01034.0596.0778.0772.0918.0574.01998.01251.01280.0769.01784.01188.01221.0954.01698.01088.01190.0914.0
us-gaap:InterestExpense ▅▅▆▆▆▆█▆▄▃▃▃▃▃▃▂▂▂▃▃▂▂▂▂▂▂▂▂▁▂▁▁▁▂▂▂▂▂▂▁▁▁▁▁▁281.0280.0323.0323.0326.0354.0432.0348.0210.0193.0191.0173.0165.0164.0168.0147.0135.0157.0158.0167.0147.0128.0117.0115.0108.0117.0126.0136.0105.0113.097.098.094.0109.0124.0117.0110.0113.0107.097.093.0101.095.090.082.0
 us-gaap:InterestExpenseDebt us-gaap:IncomeStatementLocation ibm:CostOfFinancing▁▁▁▂▂▃▄▆▇███▇▆▆▆▅104.0106.0109.0118.0119.0125.0140.0164.0179.0189.0193.0193.0182.0162.0166.0172.0158.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:IncomeStatementLocation us-gaap:InterestExpense▄▄▅▅▆▆█▆▃▂▂▂▂▂▂▁▁282.0280.0322.0323.0326.0354.0432.0348.0210.0193.0192.0173.0165.0164.0168.0148.0135.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▄▄▄▇▄▅▄▅▆▅▄▁▆▅▅█▆▅▅1325.0955.01698.01361.01175.03670.01672.02498.01591.01951.02694.02404.01679.0-1054.02726.02331.01750.04501.02853.02504.02014.0NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:IncomeStatementLocation ibm:OtherIncomeExpense▇▇▄▇▅▆▇▅▇▁▆▄▇▆▅▄▄█▄▄▃▃▃▃▃6.57.63.46.84.56.07.14.97.0-0.96.23.87.85.54.43.53.68.53.13.01.32.12.42.41.2NANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▄▄▄▄▇▄▅▄▅▆▅▄▁▆▅▅█▆1325.0955.01698.01361.01175.03670.01672.02498.01591.01951.02694.02404.01679.0-1054.02726.02331.01750.04501.02853.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▄▄▄▄▄▇▄▅▄▅▆▅▄▁▆▅▅█▆1325.0955.01698.01361.01173.03669.01672.02499.01591.01946.02694.02403.01679.0-1054.02726.02330.01750.04501.02853.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▆▆▆▅▆▆▆▆▅▆▆▆▆▆▆▆▅▆▆▆▅▅▆▆▁▅▆▆█▆▅▆▂▆▅▆▃▅▆605.01080.0172.0527.0-686.0489.0-245.0340.0308.0-1670.0470.0294.0430.0929.0669.0520.0688.0-1233.0440.0394.0608.0-1451.0-724.0411.033.0-6897.0-609.0787.0446.03369.0804.0-309.0293.0-5039.0778.0-383.0770.0-3787.0-989.01010.0NANANANANA
us-gaap:ProfitLoss ▃▃▄▃▃▆▄▄▄▄▅▄▄▁▅▄▄▆▅▄▄▆▅▅▄▇▂▆▄█▆▅▅█▆▆▅▇▆▆▅▇▅▅▅1325.0955.01698.01361.01175.03670.01672.02498.01591.01951.02694.02404.01679.0-1054.02725.02332.01750.04501.02853.02504.02014.04463.02950.03449.02328.05483.018.04137.02384.06184.04041.03226.03032.05833.03824.03881.03066.05490.03839.03664.02863.05257.03589.03386.02601.0
us-gaap:ResearchAndDevelopmentExpense ██▆▇▇▇▆▄▄▃▁▃▄▄▃▅▆▄▄▅▅▃▂▂▂▂▃▅▅▆▅▆█▇▆▇▇▆▆▆▇▇▅▅▅1657.01630.01515.01582.01625.01596.01553.01407.01433.01358.01252.01364.01405.01427.01342.01484.01533.01431.01397.01465.01458.01362.01287.01300.01298.01320.01354.01457.01501.01565.01468.01548.01644.01580.01534.01587.01601.01555.01546.01569.01587.01578.01464.01475.01509.0
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▂▃▃▃▃▁▄██5.023.050.050.062.0-105.0142.0460.0451.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:ApplicationManagementServices,ibm:GlobalBusinessServices▃▂▂▁▄▆▅▆▆█▆▇█1821.01770.01758.01734.01840.01922.01897.01919.01908.01989.01915.01946.02002.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:CloudAndDataPlatforms,ibm:CloudAndCognitiveSoftware█▁3120.02866.0NA2797.02536.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:CloudDataPlatforms,ibm:CloudAndCognitiveSoftwareNANA2775.02797.02536.03101.02308.02173.01917.02606.01968.02079.01950.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:CognitiveApplications,ibm:CloudAndCognitiveSoftware▄▂▃▂▁█▄▅▃█▃▅▃1391.01233.01317.01246.01182.01620.01383.01454.01308.01610.01324.01413.01286.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:ConsultingServices,ibm:GlobalBusinessServices█▇▃▂▅▅▃▃▃▄▂▂▁2236.02189.01966.01936.02071.02078.01973.01978.01964.02007.01900.01931.01867.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:GlobalProcessServices,ibm:GlobalBusinessServices▅▅▂▁▁▂▃▃▃█▇▇▃284.0274.0240.0221.0225.0243.0247.0258.0247.0325.0314.0315.0246.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:InfrastructureAndCloudServices,ibm:GlobalTechnologyServices▁▁▂▁▂▅▃▄▄▇▆▇█4836.04853.04933.04813.04916.05282.05071.05174.05209.05577.05393.05575.05639.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:OperatingSystemsSoftware,ibm:Systems▂▁▂▃▃█▃▆▅▇▄▅▅333.0313.0338.0365.0371.0482.0364.0425.0414.0446.0397.0421.0407.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:SystemsHardware,ibm:Systems▃▂▁▃▁█▂▃▁▆▃▅▂1384.01114.0919.01488.0997.02560.01117.01328.0914.02176.01339.01756.01093.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:TechnologySupportServices,ibm:GlobalTechnologyServices▁▁▂▁▂▅▄▅▅▆▆▇█1506.01517.01528.01503.01550.01667.01629.01663.01665.01722.01707.01750.01782.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:TransactionProcessingPlatforms,ibm:CloudAndCognitiveSoftware▂▁▂▃▂█▂▅▄█▃▅▄1587.01338.01461.01706.01520.02517.01589.02018.01812.02446.01669.01978.01880.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:CloudAndCognitiveSoftware▄▂▃▃▂█▂▃▁▆▁▂▁6098.05437.05553.05748.05238.07469.05201.05563.04967.06661.04962.05470.05116.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:GlobalBusinessServices█▆▂▁▅▅▅▆▅▄▅▆▄▅▄▄4341.04234.03965.03890.04136.04121.04160.04197.04155.04100.04130.04192.04115.04152.04093.04097.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:GlobalTechnologyServices▁▁▂▁▂▅▃▄▅▇▆▇█6342.06370.06462.06316.06467.06949.06700.06837.06875.07300.07101.07325.07421.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments ibm:OperatingSegmentsExcludingIntersegmentElimination,ibm:Systems▃▂▁▃▁▇▂▃▁▆▃▄▂█▃▃1717.01427.01257.01852.01368.03042.01481.01753.01328.02622.01736.02177.01500.03331.01721.01747.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▂▁▁▁▁▃▁▂▁▃▂▂▂▄▂▂▁▃▂▃▂▄▂▃▂▅▄▅▄▇▅▅▄█▅▆▅█▆▆▅█▅▅▄18745.017730.017560.018123.017571.021777.018028.019161.018182.021761.018756.020003.019072.022542.019153.019289.018155.021770.019226.020238.018684.022059.019280.020813.019590.024113.022397.024364.022484.027699.023720.024924.023408.029304.024747.025783.024673.029486.026157.026666.024607.029018.024271.023724.022857.0
us-gaap:SellingGeneralAndAdministrativeExpense ▄▃▂▄▆▄▃▄▂▂▁▂▄▃▂▃▃▃▂▄▆▃▂▃▄▆▄▅▇▆▄█▅▆▆▅▆▆▅▆▅▆▃▃▅5334.05174.04647.05248.05955.05433.05024.05456.04691.04701.04363.04857.05445.05148.04648.05160.05152.04976.04732.05349.06012.05157.04731.05179.05362.06034.05281.05603.06289.05990.05255.06680.05577.05921.05908.05837.05886.06076.05662.06030.05826.05951.05149.05061.05677.0
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇▇████▇█▄▃▃▃▄▄▃▃▂▂▂▂▃▁▁▂▂▂▃▃▃▄▂▂▂▃▂▂▂▂▁▂▂▂146814.0148629.0154128.0154200.0153403.0152186.0149620.0154652.0130926.0123382.0121990.0121622.0125285.0125356.0121636.0120495.0117495.0117470.0115606.0118056.0118856.0110495.0108649.0112729.0112037.0117532.0118911.0124314.0122646.0126223.0117845.0115153.0117258.0119213.0115778.0113832.0115347.0116433.0110158.0113474.0112960.0113452.0NANANA
us-gaap:Liabilities ▆▇▇█▇▇▇█▅▄▃▃▄▄▃▃▃▃▃▃▃▂▂▃▃▄▃▄▄▃▂▂▂▃▂▂▂▂▁▁▁▁124747.0127116.0132794.0133512.0133275.0131202.0131524.0136876.0114320.0106452.0102071.0102974.0106995.0107631.0101879.0101951.099047.099078.098447.0102167.0103784.096071.095198.098892.099747.0105518.0104515.0106801.0105906.0103294.097837.097269.098044.0100229.094112.093269.094563.096197.087781.090263.090185.090279.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▇████▇█▄▃▃▃▄▄▃▃▂▂▂▂▃▁▁▂▂▂▃▃▃▄▂▂▂▃▂▂▂▂▁▂▂▂146814.0148629.0154128.0154200.0153403.0152186.0149620.0154652.0130926.0123382.0121990.0121622.0125285.0125356.0121636.0120495.0117495.0117470.0115606.0118056.0118856.0110495.0108649.0112729.0112037.0117532.0118911.0124314.0122646.0126223.0117845.0115153.0117258.0119213.0115778.0113832.0115347.0116433.0110158.0113474.0112960.0113452.0NANANA
us-gaap:StockholdersEquity ▇▇▇▆▆▇▅▅▄▄▆▅▅▅▆▅▅▅▄▃▃▂▂▂▁▁▂▄▄█▆▅▅▅▇▆▆▆▇███21942.021389.021208.020551.019999.020841.017956.017645.016481.016796.019784.018520.018166.017594.019627.018419.018327.018246.017010.015733.014925.014262.013294.013684.012141.011868.014255.017377.016607.022792.019877.017756.019092.018860.021541.020472.020701.020138.022291.023127.022671.023046.0NANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▁▁▂▂▂▂▂█▄▄▄▃▄▄▃▃▃▃▃▃▄▃▃▃▃▄▃▄▄▄▄▄▄▄▄▃▄▄▃▃▄▄30774.034038.039845.039953.038931.038420.038121.077517.052705.049146.048257.046795.049122.049735.044742.045013.042889.043888.041433.043524.047623.042504.042112.045186.046316.049422.047163.048182.047959.051350.047533.047911.048949.049433.048141.047392.048847.050928.045373.046937.047524.048116.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▂▂▂▂▁▂█▃▂▂▂▂▂▂▂▂▁▁▁▂▁▁▁▁▁▁▁▁▂▂▁▂▂▂▂▂▂▂▂▂▂▁▂▂7350.010531.014393.012041.011218.08172.010087.045399.017134.011379.011563.010741.011949.011972.010915.011696.010096.07826.09039.010017.014354.07686.09480.08393.08796.08476.09561.09715.09409.010716.010072.09558.010585.010412.011909.010864.011835.011922.011303.011714.012763.010661.09859.010325.012472.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▂▂▂▂▁▁█▃▂▂▂▂▂▂▂▂▁7565.010673.014553.012188.011371.08314.010225.045534.017272.011604.011731.010960.012262.012234.011168.011932.010296.08073.0NANANA7885.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▂▁▁▂▂▃▂▃▂▃▂▃▃▅▄▄▄▅▄▅▄▄▄▄▅▅▅▆▆▇▆▇▆▇▆▇▆█▆▇6827.06458.06099.06543.06927.07870.06753.07414.06987.07432.07071.07445.07778.08928.08150.08401.08377.09182.08291.08782.08527.08333.07987.08632.08806.09090.09122.09902.09682.010465.09865.010277.010084.010667.09772.010172.010012.011179.09719.010539.0NA10834.0NANANA
us-gaap:InventoryNet ▂▃▃▃▂▁▂▂▂▂▃▂▂▁▂▁▁▁▂▂▂▁▁▃▃▄▆▆▆▅▆▆▆▅▇██▇▇▇▇▆1807.01828.01949.01869.01786.01619.01712.01745.01771.01682.01893.01742.01753.01583.01711.01604.01609.01553.01729.01685.01690.01551.01613.01912.01970.02103.02356.02338.02456.02310.02492.02389.02421.02287.02586.02758.02754.02595.02663.02573.02549.02450.0NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▂▁▁▂▁▂▂▂▂▂▂▂▄▅▅▆▆▆▆▅▅▅▅█▆▆▅▅▅▆▆▆▅▆▇▇▇▇▆2768.02647.02188.02260.02509.02101.02515.02409.02478.02378.02388.02443.02573.03942.04389.04155.04715.04564.04539.04676.04334.04205.04158.04470.05890.04967.05022.04263.04430.04488.04723.04746.04747.04024.05016.05113.05299.05249.05172.04662.0NA4226.0NANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ▃▃▃▂▂▃▂▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▇▆▇▇████▇▇██▇█▇▇███32575.032269.032432.031666.031089.032028.031670.031843.032692.032460.032484.032233.032775.032331.031937.031291.030681.030133.030842.030136.029627.029342.029229.038639.038303.039034.039950.040936.040478.040475.040808.039552.040056.040501.040716.040158.040441.040124.040139.041126.040765.040289.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▁▂▁▁▁▁▇▇██▇▇▆▇▆▆▆▇▆▆▆▆▇▆▆23152.022817.022474.021957.021464.022018.021608.021641.022017.021668.021535.021209.021497.021215.020880.020388.019816.019303.019738.019044.018717.018615.018568.027936.027793.028263.028882.027188.026795.026654.026931.026196.026459.026505.026688.026293.026496.026241.026252.026887.026557.026193.0NANANA
us-gaap:AmortizationOfIntangibleAssets ███████▁▁▂▂▂▂▃▃▃▃▃▃▃▂▂▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▂▁▁▁630.0620.0613.0623.0622.0629.0611.0307.0303.0322.0348.0342.0340.0359.0383.0388.0390.0396.0403.0398.0347.0309.0290.0296.0298.0329.0339.0340.0339.0344.0350.0326.0331.0332.0324.0318.0310.0300.0307.0309.0310.0315.0289.0284.0286.0
us-gaap:PropertyPlantAndEquipmentNet ▁▁▂▁▁▂▂▂▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▇▇▇▇▇▇██▇█▇▇███9423.09452.09958.09709.09626.010010.010063.010202.010675.010792.010949.011024.011278.011116.011057.010903.010865.010830.011104.011092.010910.010727.010661.010702.010509.010771.011068.013748.013683.013821.013877.013356.013597.013996.014027.013865.013946.013883.013887.014239.014208.014096.0NANANA
us-gaap:Goodwill ██▇▇▇▇▇▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁61645.059984.058355.057833.057517.058222.057951.035284.036281.036265.036526.036482.036732.036788.036782.036517.036307.036199.036401.036422.034322.032021.030275.030535.029871.030556.031045.031568.031214.031184.030882.028846.029025.029247.028270.027735.027468.026213.024913.025609.025408.025136.0NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇▇▇▇▇██▁▁▁▁▁▁▂▂▂▂▂▂▂13539.013535.013962.014270.014666.015235.015613.02728.02956.03087.03134.03344.03521.03742.03981.04179.04436.04688.04881.05148.0NA3487.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▅▅▇█▇█▄4387.04483.04715.04774.04871.04996.04901.04998.04634.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurringNA1.01.00.01.00.00.00.00.00.011.010.0NA4.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▁▁▁▂▁▂▁▂▄▅▃▃▄▅▃▃▃▄▃▃▃▄▃▄▅▅▄▅▅▆▅▅▆▇▆▆▆█▆▆▅▇4214.04140.03985.04719.04172.04896.04042.04724.05711.06558.05384.05518.05736.06451.05442.05126.05324.06209.05271.05484.05302.06028.05166.05943.06314.06864.05855.06271.06865.07461.06263.06821.07203.07952.07085.07482.07416.08517.07093.07112.06747.07804.0NANANA
us-gaap:LiabilitiesCurrent ▄▄▅▅▆▅▃▇▅▅▄▃▃▄▁▄▄▄▃▂▃▃▂▃▃▆▇▇▆▆▅▆▇█▆▅▅▇▄▆▆▆36616.036542.037993.038442.040673.037701.035066.042351.038871.038227.036822.035442.035733.037363.031697.035966.036481.036275.034447.033585.034664.034269.033732.035535.035640.039600.042306.042433.041058.040154.039222.041037.042122.043625.039499.038903.038209.042123.036028.039843.040387.040562.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▂▂▂▃▁█1334.01337.01336.01343.01327.01380.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:TaxesPayableCurrent ▁▂▂▂▂▃▁▂▂▃▂▃▃▆▃▃▂▄▁▁▁▃▃▅▄█▂▁▁▇▇▇▇█▁▁▁▄▂▂▂▆2260.02640.02375.02627.02348.02839.02154.02439.02484.03046.02502.02780.02918.04219.03038.02779.02747.03235.02137.02275.02203.02847.02883.03639.03539.05084.02475.02335.02245.04633.04746.04708.04678.04948.02147.02183.02184.03313.02360.02363.02531.04216.0NANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebtNoncurrent ▆▇▇▇▇▇██▄▄▄▄▄▄▅▄▃▃▃▄▄▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▂▁48735.051206.055129.055449.052685.054102.057797.058445.039727.035605.035989.037851.040410.039837.041327.037612.034441.034655.035563.039638.040254.033428.032122.033339.034295.035073.032821.034008.034668.032856.028478.026292.024672.024088.024333.024766.025760.022857.0NANANA21846.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▁▄██▅▇48735.051206.055129.055449.052685.054102.0NANANA35605.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA24089.021915.021749.021846.0NANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▄▄▃▃▃▄▂▃▃▄▂▂▃▃▄▄▃▄▃▃▃▃▄▄▄▅▁▂▂▃▅▅▆█▃▃▄▅▁▂▂▂17265.017346.016732.016483.016474.017142.015925.016471.016467.017002.015774.015963.016750.016720.017554.017320.016967.017070.016688.016723.016939.016504.017012.017298.017211.018261.015093.015984.016031.016242.017994.017962.019069.020418.016682.016544.017579.018374.015375.016014.015995.015978.0NANANA
us-gaap:MinorityInterest ▅▅▅▆▅▆▆▅▅▆▆▅▅▅▅▅▄▇▇▇▇██▇▇▇▆▆▅▆▅▅▄▅▅▂▁▂▁▁▃▅125.0124.0126.0137.0129.0144.0139.0131.0126.0134.0134.0128.0124.0131.0130.0125.0121.0146.0149.0156.0147.0162.0157.0153.0148.0146.0140.0136.0133.0137.0131.0127.0122.0124.0126.092.082.097.087.084.0104.0126.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▇███▇█▅▅▅▃▃▃▃▁▁▁▁▂▂▂▂▂▂▂▂▄▃▃▃▂▁▁▁▃▂▂▂▂▂▂▂14741.014489.015484.015666.015874.014526.015564.012190.012184.012174.09979.010000.010250.09965.07723.07437.07601.07477.08138.08385.08264.08099.08739.08827.08791.08892.010613.010224.010106.09934.08057.07812.07771.07607.09335.09166.09112.08996.08654.08851.08330.08226.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▅▆▇█3278.03379.03635.03684.03799.03879.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇▇▇▆▆▇▅▅▄▄▆▅▅▅▆▅▅▅▄▃▃▂▂▂▁▁▂▄▄█▆▅▅▅▇▆▆▆▇███21942.021389.021208.020551.019999.020841.017956.017645.016481.016796.019784.018520.018166.017594.019627.018419.018327.018246.017010.015733.014925.014262.013294.013684.012141.011868.014255.017377.016607.022792.019877.017756.019092.018860.021541.020472.020701.020138.022291.023127.022671.023046.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▇▇▆▆▇▅▅▄▄▆▅▅▅▆▅▅▅▄▃▃▃▂▂▁▁▂▄▄█▆▅▆▅▇▆▆▆▇███▇▇▇22067.021513.021334.020688.020128.020985.018096.017776.016607.016929.019918.018648.018290.017725.019757.018544.018448.018392.017159.015889.015072.014424.013450.013837.012289.012014.014395.017513.016740.022929.020008.017883.019214.018984.021666.020563.020783.020236.022378.023210.022776.023172.022359.021176.022149.0
us-gaap:CommonStocksIncludingAdditionalPaidInCapital ██▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▂▂▂▁▁56912.056788.056366.056135.056092.055895.055808.055404.055287.055151.054987.054827.054712.054566.054395.054235.054104.053935.053759.053565.053439.053262.053220.053059.052928.052666.052446.052163.051943.051594.051203.050886.0NA50110.0NANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███████████▇▇▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▂▂▂▁▁▁162086.0162218.0162806.0162559.0162626.0162954.0160709.0160467.0159396.0159206.0158612.0157349.0156371.0153126.0155565.0154234.0153292.0152759.0149585.0148071.0146888.0146124.0142898.0141218.0139030.0137793.0133403.0134483.0131431.0130042.0124885.0121883.0119713.0117641.0112773.0109928.0107036.0104857.0100266.097334.094590.092532.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▁▁▂▁▁▁▁▂▂▂▃▂▂▂▁▂▂▁▁▂▂▂▂▆▆▆▅▄▃▃▃▆▆▆▅▇█▇▇-27652.0-28257.0-28584.0-28757.0-29283.0-28597.0-29086.0-28841.0-29182.0-29490.0-27820.0-28290.0-28583.0-26592.0-27521.0-28189.0-28710.0-29398.0-28164.0-28604.0-28998.0-29607.0-28155.0-27432.0-27842.0-27875.0-20978.0-20369.0-21156.0-21602.0-24971.0-25774.0-25466.0-25759.0-20720.0-21498.0-21115.0-21885.0-18099.0-17109.0-18119.0-18743.0NANANA
us-gaap:MinorityInterest ▅▅▅▆▅▆▆▅▅▆▆▅▅▅▅▅▄▇▇▇▇██▇▇▇▆▆▅▆▅▅▄▅▅▂▁▂▁▁▃▅125.0124.0126.0137.0129.0144.0139.0131.0126.0134.0134.0128.0124.0131.0130.0125.0121.0146.0149.0156.0147.0162.0157.0153.0148.0146.0140.0136.0133.0137.0131.0127.0122.0124.0126.092.082.097.087.084.0104.0126.0NANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▆▅▄▅▃▄▂▆▅▅▁▆█▄▃▄▄▅▄█▇▅2625.04914.04285.03576.04476.03451.03619.02941.04759.04119.04232.02294.04602.05733.03570.03466.03955.03657.04213.03558.05530.05279.04235.0NANANANANANANANANANANANANANANANA4279.03792.0NANA3766.04437.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▁█▇▇▇▇▇▆▇▇▇▆▇▆▇▆▇-2671.0-2000.0-332.0-1236.0-902.0128.0-30373.04162.0-853.0455.0-2969.0-635.0-1764.0-3818.0-1923.0-1705.0350.0-3376.0-1050.0-4664.0-1886.0-5445.0-1343.0NANANANANANANANANANANANANANANANA-584.0498.0NANA-1946.0-699.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▃▃▃▂▁█▃▂▃▂▂▃▂▃▂▃▂▂▄▃▃-3131.0-5783.0-1689.0-1624.0-115.0-5675.0-8177.021031.01863.0-4605.0-436.0-2519.0-2909.0-919.0-2756.0-609.0-2134.0-1287.0-4182.0-3128.02806.0-1348.0-1848.0NANANANANANANANANANANANANANANANA-4903.0-2314.0NANA-3746.0-3368.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▅▅▅▅▅▁█▆▅▅▅▅▅▅▅▅-3108.0-3002.02365.0817.03057.0-1911.0-35309.028262.05668.0-127.0771.0-1302.028.01065.0-764.01637.02223.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▆▅▄▅▃▄▂▆▅▅▁▆█▄▃▄▄▅▄█▇▅2625.04914.04285.03576.04476.03451.03619.02941.04759.04119.04232.02294.04602.05733.03570.03466.03955.03657.04213.03558.05530.05279.04235.0NANANANANANANANANANANANANANANANA4279.03792.0NANA3766.04437.0
us-gaap:NetIncomeLoss ▄▄▄▄▄▇▄▅▄▅▆▅▄▁▆▅▅█▆▅▅1325.0955.01698.01361.01175.03670.01672.02498.01591.01951.02694.02404.01679.0-1054.02726.02331.01750.04501.02853.02504.02014.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▃▃▄▃▃▆▄▄▄▄▅▄▄▁▅▄▄▆▅▄▄▆▅▅▄▇▂▆▄█▆▅▅█▆▆▅▇▆▆▅▇▅▅▅1325.0955.01698.01361.01175.03670.01672.02498.01591.01951.02694.02404.01679.0-1054.02725.02332.01750.04501.02853.02504.02014.04463.02950.03449.02328.05483.018.04137.02384.06184.04041.03226.03032.05833.03824.03881.03066.05490.03839.03664.02863.05257.03589.03386.02601.0
us-gaap:ShareBasedCompensation █▆▇█▅▆▇▃▂▃▃▂▂▃▂▃▃▃▃▂▃▁▂▃▂▁▄▃▂▄▄▄▃▅▅▄▄▆▄▄▄▄▄▄▄244.0213.0222.0247.0189.0211.0220.0135.0113.0139.0129.0126.0116.0146.0123.0136.0129.0141.0142.0128.0133.099.0112.0130.0127.096.0150.0142.0124.0159.0150.0161.0144.0178.0182.0160.0168.0199.0166.0162.0170.0155.0154.0151.0169.0
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▁█▇▇▇▇▇▆▇▇▇▆▇▆▇▆▇-2671.0-2000.0-332.0-1236.0-902.0128.0-30373.04162.0-853.0455.0-2969.0-635.0-1764.0-3818.0-1923.0-1705.0350.0-3376.0-1050.0-4664.0-1886.0-5445.0-1343.0NANANANANANANANANANANANANANANANA-584.0498.0NANA-1946.0-699.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▁▃▂▂▂▂▂▁▃▃▄▄▄▄▂▃▅▃▄▄▄▄▄▄▄▅▄▄▅▅▄▃▅▄▆▄▅▇▃▄▆█▃▃560.0494.0725.0585.0630.0576.0588.0583.0539.0782.0812.0931.0870.0956.0848.0685.0740.0973.0768.0870.0956.0909.0948.0865.0857.0947.01036.0908.0849.01064.0985.0860.0714.01000.0947.01198.0937.01048.01336.0809.0915.01152.01447.0828.0758.0
us-gaap:PaymentsToAcquireInvestments ▃▂▄▆▃▂▃▂▃▃█▃▄▃▄▃▃▅▄▃▃▃▁▂▂▂▂▁▁▂▂▃▅▄▂▁▃▁▁▁▁▂▃▅▄1015.0875.01534.02382.01096.0880.01010.0665.01138.01017.03213.01290.01521.01194.01424.01073.01273.01896.01635.01345.01041.0972.0385.0897.0819.0825.0677.0359.0477.0890.0583.0999.02136.01513.0941.0428.01227.0438.0382.0359.0415.0892.01354.02136.01747.0
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▃▃▃▂▁█▃▂▃▂▂▃▂▃▂▃▂▂▄▃▃-3131.0-5783.0-1689.0-1624.0-115.0-5675.0-8177.021031.01863.0-4605.0-436.0-2519.0-2909.0-919.0-2756.0-609.0-2134.0-1287.0-4182.0-3128.02806.0-1348.0-1848.0NANANANANANANANANANANANANANANANA-4903.0-2314.0NANA-3746.0-3368.0
us-gaap:PaymentsOfDividendsCommonStock ████████▇███▇▇▇▇▇▇▇▇▆▆▆▆▄▄▄▅▄▄▄▄▃▃▃▃▂▃▃▃▂▂▂▂▁1467.01457.01453.01450.01440.01438.01436.01436.01397.01416.01431.01437.01382.01387.01395.01403.01321.01329.01337.01340.01250.01261.01270.01278.01088.01089.01090.01096.0990.01025.01037.01048.0948.0957.0968.0978.0870.0880.0893.0905.0795.0808.0818.0833.0718.0
  2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value90490189789489589289089391591992593393994795796096497998699299710051041109811091124114911611174120412211240127212961321
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value8958938918898888868868899119159209299349429549579619759829889919991035109011001113113711491159118812041222125512781301
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.481.071.91.531.324.141.892.821.792.172.952.631.82-1.112.932.491.864.732.992.622.094.593.033.512.365.490.024.142.35.713.72.932.725.153.363.382.654.653.233.042.344.22.862.652.0
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.471.061.891.521.314.111.872.811.782.152.942.611.81-1.12.922.481.854.712.982.612.094.573.013.52.355.460.024.122.295.673.682.912.75.13.333.342.614.583.193.02.314.142.822.611.97
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1.481.071.91.531.324.131.892.821.792.172.952.631.82-1.112.932.491.864.742.992.622.094.593.043.592.455.533.484.252.445.743.79
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1.471.061.891.521.314.111.872.811.782.152.942.611.81-1.12.922.481.854.722.982.612.094.573.023.582.445.53.464.232.435.73.77
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value243213-469.02222471892112201351131391291251161461231361291411421281339911113196150142124159150161144178183160168199166162170155153151169
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.31.20.01.31.41.11.01.20.70.60.60.70.60.60.60.60.70.70.60.70.60.70.40.60.60.40.70.60.60.60.60.60.60.60.70.60.70.70.60.60.70.50.60.60.7

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

ibm:CostOfRevenue


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4141-82.042402729292220221921202322232321232321
Percentage of AllocatedShareBasedCompensationExpense16.919.217.518.916.214.313.713.216.317.715.814.716.817.215.817.916.917.814.916.218.015.8
Percentage of Revenues0.20.20.00.20.20.20.10.20.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Revenues ibm:CostOfRevenue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value5049-102.0505245424421192015161616131515141414131411121313141415121514161512
Percentage of AllocatedShareBasedCompensationExpense20.623.021.722.521.123.819.920.015.616.814.411.612.813.811.010.611.011.69.99.910.99.814.19.99.213.58.79.911.39.48.09.39.79.08.27.5
Percentage of Revenues0.30.30.00.30.30.30.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value152123-284.01291551171401479374979588811078898911061059199628292571051008811111011599128133117
Percentage of AllocatedShareBasedCompensationExpense62.657.760.658.162.861.966.466.868.965.569.873.670.469.873.371.572.170.575.273.971.174.462.673.970.259.470.070.471.069.873.371.468.871.972.773.1
Percentage of Revenues0.80.70.00.70.90.70.60.80.50.40.40.50.40.40.50.50.50.50.50.50.40.50.30.40.40.20.50.40.40.40.50.50.40.40.50.5
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value19302036187018884894159142728391899282316426972109-125.03394285224383268329328992622
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.311.510.610.42.819.17.914.810.41.316.913.511.1-0.617.714.813.415.017.114.314.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19302036187018884894159142728391899282316426972109-125.033942852243832683293289926223011222738602361-1414.0-591.049232830955448442917332579546013498383717032850467334873993462130533253
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.311.510.610.42.819.17.914.810.41.316.913.511.1-0.617.714.813.415.017.114.314.013.611.618.512.1-5.9-2.620.212.634.520.411.714.22.718.613.615.65.810.917.514.213.819.012.914.2

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:Parent


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value19302036187018884894159142728391899282316426972109-125.033942852243832683293289826223011222738602361-1414.0-591.04923283095544845291733257954601349838371703285046733487
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.311.510.610.42.819.17.914.810.41.316.913.511.1-0.617.714.813.415.017.114.314.013.611.618.512.1-5.9-2.620.212.634.520.411.714.22.718.613.615.65.810.917.514.2
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value974195259130942396491067796921015110139110739953108041082511681103531049510383108771021310536999910652984410423101381125111523123891194113383123411279212730141371301613502135551476413984142821374914792132701291512880
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues52.053.752.052.054.949.053.853.055.850.953.154.056.851.854.154.457.250.053.152.153.548.351.150.151.846.751.450.853.148.352.051.354.448.252.652.454.950.153.553.655.951.054.754.456.4

us-gaap:CostOfRevenue us-gaap:ProductOrService

us-gaap:FinancialService


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value176165172165181194217228264286287290269320322289
Percentage of CostOfRevenue1.81.71.91.81.91.82.22.22.62.62.92.72.52.73.12.8
Percentage of Revenues0.90.91.00.91.00.91.21.21.51.31.51.41.41.41.71.5
Percentage of Revenues us-gaap:FinancialService72.768.262.561.659.90.063.365.065.30.073.873.265.60.074.469.1

us-gaap:Product


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value16941585160117391624228416351651151622481625186917222396158416641530
Percentage of CostOfRevenue17.416.617.518.516.821.416.916.315.020.316.317.315.920.515.315.914.7
Percentage of Revenues9.08.99.19.69.210.59.18.68.310.38.79.39.010.68.38.68.4
Percentage of Revenues us-gaap:Product24.126.126.225.127.50.027.325.628.30.028.027.830.20.026.326.328.3

us-gaap:TechnologyService


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7871777573577520784381987840827283598540804086458835877782658368
Percentage of CostOfRevenue80.881.680.679.881.376.880.981.582.477.180.880.081.675.179.879.7
Percentage of Revenues42.043.941.941.544.637.643.543.246.039.242.943.246.338.943.243.4
Percentage of Revenues us-gaap:TechnologyService68.568.265.868.869.00.067.067.067.30.064.067.168.20.065.166.7

us-gaap:CostOfRevenue us-gaap:ProductOrService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:FinancialService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.06.06.07.08.01621252919182018
Percentage of CostOfRevenue0.10.10.10.10.10.10.20.20.30.20.20.20.2
Percentage of Revenues0.00.00.00.00.00.10.10.10.20.10.10.10.1
Percentage of Revenues us-gaap:FinancialService us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Product, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value10.0224.0-9.0-9.0-11.0-10.0-11.0-18.0-23.0-8.06.01720-1.0-10.0
Percentage of CostOfRevenue0.10.20.0-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.10.10.20.2-0.0-0.1
Percentage of Revenues0.10.10.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.00.00.10.1-0.0-0.1
Percentage of Revenues us-gaap:Product us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-7.0-14.0-10.01.0-10.0-16.0-22.0-20.0-10.0-1.0-1.0-9.0-19.0-23.0-20.0-18.0
Percentage of CostOfRevenue-0.1-0.1-0.10.0-0.1-0.1-0.2-0.2-0.1-0.0-0.0-0.1-0.2-0.2-0.2-0.2
Percentage of Revenues-0.0-0.1-0.10.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.1-0.1-0.1-0.1
Percentage of Revenues us-gaap:TechnologyService us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

ibm:SelectMarketingPlatformAndCommerceOfferings


Disposal
Period End2020-09-30
Value5.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0
Percentage of Revenues0.0
Percentage of Revenues ibm:SelectMarketingPlatformAndCommerceOfferings0.0

ibm:SelectStandaloneCloudAndCognitiveSoftwareProducts


Disposal
Period End2020-09-302020-06-302020-03-312019-09-30
Value3.01262572
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal60.00.00.00.0
Percentage of Revenues0.00.13.60.4
Percentage of Revenues ibm:SelectStandaloneCloudAndCognitiveSoftwareProducts0.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:GainsLossesOnExtinguishmentOfDebt

ibm:IbmCreditLlc, ibm:FixedRateDebtDue2021To2023


Gains
Period End2021-03-31
Value-22000000.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of Revenues-0.1
Percentage of Revenues ibm:IbmCreditLlc ibm:FixedRateDebtDue2021To20230.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9004820484308700792211100833690108043106878803919982471086288008794777210893901397028686114069436103909452128621087411975105431431611380121321067815167117321228111118147221217312385108581422711001108099976
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues48.046.348.048.045.151.046.247.044.249.146.946.043.248.245.945.642.850.046.947.946.551.748.949.948.253.348.649.246.951.748.048.745.651.847.447.645.149.946.546.444.149.045.345.643.6

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value132595616981362117636691673249915931953269224021675-1053.02726233217534506285425052016
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.89.313.08.89.014.412.08.8-4.714.212.19.720.714.812.410.8

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value155290518271571-49.0399315222768188344342996277611364469306524431424498532633049103450993621422430017095436151712980696248124144360678315074516138367274502748853817695646774575
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.35.110.48.7-0.318.38.414.410.420.416.013.96.019.816.012.77.822.917.015.15.523.118.820.315.329.419.521.213.325.120.316.615.426.720.520.015.524.719.218.315.524.019.319.3

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-205.0-263.0-206.0-283.0-284.0-237.0-157.0-156.0-67.0-102.0-91.0-62.0-130.0-91.0-141.0-67.0-87.0-60.0-42.0-67.0-122.0-95.0-14.042-48.01004-160.0-50.00.0-49.0-15.0-22.0-13.0-18.0453-36.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-13.2-29.1-11.3-18.0579.6-5.9-10.3-5.6-3.6-2.3-3.0-2.2-11.4-2.0-4.6-2.7-6.1-1.2-1.3-2.2-11.8-1.9-0.41.0-1.614.2-3.7-1.00.0-0.7-0.3-0.5-0.4-0.28.9-0.7
Percentage of Revenues-1.1-1.5-1.2-1.6-1.6-1.1-0.9-0.8-0.4-0.5-0.5-0.3-0.7-0.4-0.7-0.3-0.5-0.3-0.2-0.3-0.7-0.4-0.10.2-0.24.2-0.7-0.20.0-0.2-0.1-0.1-0.1-0.11.8-0.1
Percentage of Revenues us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-139.0-73.0-158.0-121.0-55.0-57.0-84.0-60.0-89.0-133.0-116.0-291.0-218.0-211.0-126.0-161.0-227.0-287.0-185.0-334.0-355.0-565.0-380.0-508.0-406.0-481.0-402.0-507.0-524.0-482.0-280.0-379.0-339.0-248.0-322.0-343.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-9.0-8.1-8.6-7.7112.2-1.4-5.5-2.2-4.7-3.0-3.9-10.5-19.2-4.7-4.1-6.6-15.9-5.8-5.7-11.0-34.3-11.1-10.5-12.0-13.5-6.8-9.2-9.8-17.6-6.9-5.8-9.1-9.4-3.2-6.3-6.6
Percentage of Revenues-0.7-0.4-0.9-0.7-0.3-0.3-0.5-0.3-0.5-0.6-0.6-1.5-1.1-0.9-0.7-0.8-1.3-1.3-1.0-1.7-1.9-2.6-2.0-2.4-2.1-2.0-1.8-2.1-2.3-1.7-1.2-1.5-1.4-0.8-1.3-1.3
Percentage of Revenues us-gaap:IntersegmentElimination8.64.79.47.63.60.05.54.25.30.07.917.413.70.09.111.615.20.012.621.421.60.023.729.420.60.019.823.925.00.015.0-19.717.70.016.3-17.9

us-gaap:OperatingSegments


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value28942122296227441003507826612836244452653801372820885422387633022377574438973901183762264387503368765195598338287964557949894435837853895814
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest186.5234.5162.1174.7-2046.9127.2174.8102.5129.8118.7126.9134.3183.8121.3126.5135.2166.9115.2119.4127.9177.7122.1121.2119.296.9119.1115.7128.5114.4115.9120.4123.0107.0106.2112.7
Percentage of Revenues15.412.016.915.15.723.314.814.813.424.220.318.610.924.120.217.113.126.420.319.39.828.222.824.228.523.224.617.028.823.520.018.928.621.822.5
Percentage of Revenues us-gaap:OperatingSegments14.211.015.414.05.30.013.714.112.60.018.817.210.10.018.916.012.10.018.918.09.10.021.122.40.021.322.715.60.021.918.717.60.020.321.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value172014281834170893329001283200117673122205020291680
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest110.8157.8100.4108.7-1904.172.684.372.393.870.468.473.1147.9
Percentage of Revenues9.28.110.49.45.313.37.110.49.714.310.910.18.8
Percentage of Revenues us-gaap:OperatingSegments ibm:CloudAndCognitiveSoftware25.222.828.526.315.40.021.532.030.10.035.732.327.8

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value371390570362271478573300315567579385145336453321291522544476190708673656597733805832628940948623703841738803
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest23.943.131.223.0-553.112.037.610.816.712.819.313.912.87.514.813.120.410.516.715.618.413.918.615.519.910.318.516.121.113.519.715.019.510.714.515.6
Percentage of Revenues2.02.23.22.01.52.23.21.61.72.63.11.90.81.52.41.71.62.42.82.41.03.23.53.23.03.03.63.42.83.44.02.53.02.93.03.1
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalBusinessServices8.49.114.29.26.50.013.77.17.50.013.89.03.40.010.87.77.10.012.710.94.50.015.614.713.40.017.517.813.60.020.013.015.10.015.616.6

us-gaap:OperatingSegments, ibm:GlobalFinancing


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value246166196176194252275239288319308357377443244282311448355467386674562613515525475593596589494550538518476528
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest15.918.310.711.2-395.96.318.18.615.37.210.312.933.29.98.011.521.89.010.915.337.313.215.514.517.27.410.911.520.08.510.313.314.96.69.410.2
Percentage of Revenues1.30.91.11.01.11.21.51.21.61.51.61.82.02.01.31.51.72.11.82.32.13.12.92.92.62.22.12.42.72.12.12.22.31.81.92.0
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalFinancing49.040.740.834.838.00.042.637.840.80.042.441.245.20.035.040.040.50.046.550.443.10.054.551.949.10.043.849.952.80.048.751.851.70.049.451.2

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value381140399250-178.06454902352756576074516614861274124899414641680185013451989189515141585202716971757
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest24.515.521.815.9363.316.232.28.514.614.820.316.25.829.135.229.533.120.638.535.845.128.639.436.544.025.933.434.0
Percentage of Revenues2.00.82.31.4-1.03.02.71.21.53.03.22.30.36.76.66.05.16.17.57.66.07.28.06.16.86.96.96.8
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalTechnologyServices5.72.15.93.8-2.60.07.03.33.80.08.26.00.90.015.715.112.30.017.719.114.10.019.415.416.10.016.617.1

us-gaap:OperatingSegments, ibm:Systems


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value176-2.0-37.0248-217.08023961-202.0552209346-203.090833974-186.0579136229-10.0674248538261
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest11.3-0.2-2.015.8442.920.12.62.2-10.712.47.012.5-17.920.311.13.0-13.111.64.27.5-1.013.26.812.78.7
Percentage of Revenues0.9-0.0-0.21.4-1.23.70.20.3-1.12.51.11.7-1.14.01.80.4-1.02.70.71.1-0.13.11.32.61.3
Percentage of Revenues us-gaap:OperatingSegments ibm:Systems9.0-0.1-2.511.9-14.30.02.33.2-13.50.010.914.3-12.30.017.43.8-11.90.07.810.6-0.50.011.419.711.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value227-51.0128209-1226.0324-151.02692892481304373-540.05522339111-329.0480409544-983.063865969858515799061034596778772918574199812511280769178411881221954169810881190914
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.2-0.30.71.2-7.01.5-0.81.41.611.41.61.9-2.824.51.80.6-1.82.22.12.7-5.32.93.43.43.06.54.04.22.72.83.33.72.56.85.15.03.16.14.54.63.95.94.55.04.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

ibm:CostOfFinancing, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.0-2.0-2.0-2.0-2.0-4.0-5.0-6.0-7.0-5.0-5.0-5.0-4.0
Percentage of IncomeTaxExpenseBenefit-0.43.9-1.6-1.00.2-1.23.3-2.2-2.4-0.2-1.6-1.30.7
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Revenues ibm:CostOfFinancing us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:CostOfServices, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.03.02.00.02.04.06.05.03.01.00.02.05.09.08.07.0
Percentage of IncomeTaxExpenseBenefit0.9-5.91.60.0-0.21.2-4.01.91.00.00.00.5-0.90.22.46.3
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues ibm:CostOfServices us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OtherIncomeExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-12.0-29.02318-22.093-112.051-22.0-10.0-2.0-100.026182556
Percentage of IncomeTaxExpenseBenefit-5.356.918.08.61.828.774.219.0-7.6-0.4-0.7-26.8-4.80.37.450.5
Percentage of Revenues-0.1-0.20.10.1-0.10.4-0.60.3-0.1-0.0-0.0-0.50.10.10.10.3
Percentage of Revenues ibm:OtherIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfSales, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-3.0-6.0-1.03.02.04.03.03.05.07.03.0-2.0-5.0-5.01.03.0
Percentage of IncomeTaxExpenseBenefit-1.311.8-0.81.4-0.21.2-2.01.11.70.31.0-0.50.9-0.10.32.7
Percentage of Revenues-0.0-0.0-0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.00.00.0
Percentage of Revenues us-gaap:CostOfSales us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-4.0-4.0-5.0-5.0-5.0-12.0-16.0-13.0-8.09.0-9.0-9.0-4.00.0-3.0-3.0
Percentage of IncomeTaxExpenseBenefit-1.87.8-3.9-2.40.4-3.710.6-4.8-2.80.4-3.0-2.40.70.0-0.9-2.7
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.00.0-0.0-0.0-0.00.0-0.0-0.0
Percentage of Revenues us-gaap:InterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-4.0-4.0-1.02.02.02.03.03.06.04.02.0-1.0-5.0-3.0-1.02.0
Percentage of IncomeTaxExpenseBenefit-1.87.8-0.81.0-0.20.6-2.01.12.10.20.7-0.30.9-0.1-0.31.8
Percentage of Revenues-0.0-0.0-0.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.00.0
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2812803233233263544323482101931911731651641681471351571581671471281171151081171261361051139798941091241171101131079793101959082
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.51.61.81.81.91.62.41.81.20.91.00.90.90.70.90.80.70.70.80.80.80.60.60.60.60.50.60.60.50.40.40.40.40.40.50.50.40.40.40.40.40.30.40.40.4

us-gaap:InterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value161619192247645233-37.03638161.07.07.0
Percentage of InterestExpense5.75.75.95.96.713.314.814.915.7-19.218.822.09.70.64.24.8
Percentage of Revenues0.10.10.10.10.10.20.40.30.2-0.20.20.20.10.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:IncomeStatementLocation

us-gaap:InterestExpenseDebt

ibm:CostOfFinancing


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value104106-227.0109118119125140164179189193193182162166172158
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.60.60.00.60.70.70.60.80.91.00.91.01.01.00.70.90.90.9
Percentage of Revenues ibm:CostOfFinancing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value282280-645.0322323326354432348210193192173165164168148135
Percentage of InterestExpenseDebt271.2264.2284.1295.4273.7273.9283.2308.6212.2117.3102.199.589.690.7101.2101.286.085.4
Percentage of Revenues1.51.60.01.81.81.91.62.41.81.20.91.00.90.90.70.90.80.7
Percentage of Revenues us-gaap:InterestExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value132595516981361117536701672249815911951269424041679-1054.02726233117504501285325042014
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.8

us-gaap:NetIncomeLoss us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

ibm:CostOfFinancing, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.0-4.0-5.0-5.0-6.0-12.0-15.0-18.0-22.0-14.0-14.0-15.0-13.0
Percentage of NetIncomeLoss-0.3-0.4-0.3-0.4-0.5-0.3-0.9-0.7-1.4-0.7-0.5-0.6-0.8
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Revenues ibm:CostOfFinancing us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:CostOfServices, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.010.07.0-1.07.01217157.00.01.07.014141211
Percentage of NetIncomeLoss0.41.00.4-0.10.60.31.00.60.40.00.00.30.8-1.30.40.5
Percentage of Revenues0.00.10.0-0.00.00.10.10.10.00.00.00.00.10.10.10.1
Percentage of Revenues ibm:CostOfServices us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OtherIncomeExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-37.0-87.07052-67.0277-334.0151-65.0-30.0-6.0-297.078303990
Percentage of NetIncomeLoss-2.8-9.14.13.8-5.77.5-20.06.0-4.1-1.5-0.2-12.44.6-2.81.43.9
Percentage of Revenues-0.2-0.50.40.3-0.41.3-1.90.8-0.4-0.1-0.0-1.50.40.10.20.5
Percentage of Revenues ibm:OtherIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfSales, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-8.0-16.0-3.07.06.08.07.08.013166.0-5.0-12.0-14.01.08.0
Percentage of NetIncomeLoss-0.6-1.7-0.20.50.50.20.40.30.80.80.2-0.2-0.71.30.00.3
Percentage of Revenues-0.0-0.1-0.00.00.00.00.00.00.10.10.0-0.0-0.1-0.10.00.0
Percentage of Revenues us-gaap:CostOfSales us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-12.0-12.0-14.0-15.0-16.0-36.0-48.0-39.0-24.028-27.0-28.0-12.00.0-4.0-4.0
Percentage of NetIncomeLoss-0.9-1.3-0.8-1.1-1.4-1.0-2.9-1.6-1.51.4-1.0-1.2-0.7-0.0-0.1-0.2
Percentage of Revenues-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.2-0.10.1-0.1-0.1-0.10.0-0.0-0.0
Percentage of Revenues us-gaap:InterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-12.0-11.0-4.05.07.06.08.09.01610.05.0-2.0-13.0-8.0-4.06.0
Percentage of NetIncomeLoss-0.9-1.2-0.20.40.60.20.50.41.00.50.2-0.1-0.80.8-0.10.3
Percentage of Revenues-0.1-0.1-0.00.00.00.00.00.00.10.00.0-0.0-0.1-0.0-0.00.0
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:IncomeStatementLocation

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

ibm:OtherIncomeExpense


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.57.63.46.84.56.07.14.97.0-0.96.23.87.85.54.43.53.68.53.13.01.32.12.42.41.2
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues ibm:OtherIncomeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value132595516981361117536701672249815911951269424041679-1054.027262331175045012853
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.8

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value132595516981361117336691672249915911946269424031679-1054.027262330175045012853
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.89.313.08.88.914.412.08.8-4.714.212.19.620.714.8

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6051080172527-686.0489-245.0340308-1670.0470294430929669520688-1233.0440394608-1451.0-724.041133-6897.0-609.07874463369804-309.0293-5039.0778-383.0770-3787.0-989.01010
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.26.11.02.9-3.92.2-1.41.81.7-7.72.51.52.34.13.52.73.8-5.72.31.93.3-6.6-3.82.00.2-28.6-2.73.22.012.23.4-1.21.3-17.23.1-1.53.1-12.8-3.83.8

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value491500440457422270335430330-1464.0527584537874479461507-1135.0461471335-1346.0531585492-6009.04104184393756618679586-4801.0352417363
Percentage of OtherComprehensiveIncomeLossNetOfTax81.246.3255.886.7-61.555.2-136.7126.5107.187.7112.1198.6124.994.171.688.773.792.1104.8119.555.192.8-73.3142.31490.987.1-67.353.198.4111.576.9-219.7200.095.345.2-108.947.1
Percentage of Revenues2.62.82.52.52.41.21.92.21.8-6.72.82.92.83.92.52.42.8-5.22.42.31.8-6.12.82.82.5-24.91.81.72.013.62.62.72.5-16.41.41.61.5
Percentage of Revenues us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value42259-75.0-70.0-67.0-176.036-129.0-193.034-14.021410.081-94.0-183.0
Percentage of OtherComprehensiveIncomeLossNetOfTax6.924.0-43.6-13.39.8-36.0-14.7-37.9-62.7-2.0-3.072.82.38.7-14.1-35.2
Percentage of Revenues0.21.5-0.4-0.4-0.4-0.80.2-0.7-1.10.2-0.11.10.10.4-0.5-0.9
Percentage of Revenues us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.00.0-1.01.00.00.02.0-1.0-1.00.00.00.0-2.0-1.0-1.02.00.0-2.0-1.01.00.072-62.0-10.020-19.01.00.03.0-4.0-1.00.00.0-3.0-15.03.06.0
Percentage of OtherComprehensiveIncomeLossNetOfTax0.00.0-0.60.2-0.00.0-0.8-0.3-0.3-0.00.00.0-0.5-0.1-0.10.40.00.2-0.20.30.0-5.08.6-2.460.60.3-0.20.00.7-0.1-0.1-0.00.00.1-1.9-0.80.8
Percentage of Revenues0.00.0-0.00.00.00.00.0-0.0-0.00.00.00.0-0.0-0.0-0.00.00.0-0.0-0.00.00.00.3-0.3-0.00.1-0.10.00.00.0-0.0-0.00.00.0-0.0-0.10.00.0
Percentage of Revenues us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6051080172527-686.0489-245.0340308-1670.0470294430929669520688-1233.0440394608-1451.0-724.041133-6897.0-609.07864463369804-309.0293-5039.0778-383.0770-3787.0-989.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.26.11.02.9-3.92.2-1.41.81.7-7.72.51.52.34.13.52.73.8-5.72.31.93.3-6.6-3.82.00.2-28.6-2.73.22.012.23.4-1.21.3-17.23.1-1.53.1-12.8-3.8
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value72321-192.0139-1041.0395-618.042172-239.0-44.0-505.0-115.0-25.0284240270-443.0-49.0-154.0505-128.0-1043.0169-718.0-984.0-1397.0358-51.0-421.0468-959.0-489.0-206.0557-783.0398
Percentage of OtherComprehensiveIncomeLossNetOfTax11.929.7-111.626.4151.780.8252.212.455.814.3-9.4-171.8-26.7-2.742.546.239.235.9-11.1-39.183.18.8144.141.1-2175.814.3229.445.5-11.4-12.558.2310.4-166.94.171.6204.451.7
Percentage of Revenues0.41.8-1.10.8-5.91.8-3.40.20.9-1.1-0.2-2.5-0.6-0.11.51.21.5-2.0-0.3-0.82.7-0.6-5.40.8-3.7-4.1-6.21.5-0.2-1.52.0-3.8-2.1-0.72.3-3.01.6
Percentage of Revenues us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6051080172527-686.0489-245.0340308-1670.0470294430929669520688-1233.0440394608-1451.0-724.041133-6897.0-609.07864463369804-309.0293-5039.0778-383.0770-3787.0-989.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.26.11.02.9-3.92.2-1.41.81.7-7.72.51.52.34.13.52.73.8-5.72.31.93.3-6.6-3.82.00.2-28.6-2.73.22.012.23.4-1.21.3-17.23.1-1.53.1-12.8-3.8
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338243881306654903839366428635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.515.112.418.614.713.711.618.114.814.311.4

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338233882306654903839366328635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.415.112.418.614.713.711.618.114.814.311.4
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338233882306654903839366328635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.415.112.418.614.713.711.618.114.814.311.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value165716301515158216251596155314071433135812521364140514271342148415331431139714651458136212871300129813201354145715011565146815481644158015341587160115551546156915871578146414751509
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.89.28.68.79.27.38.67.37.96.26.76.87.46.37.07.78.46.67.37.27.86.26.76.26.65.56.06.06.75.76.26.27.05.46.26.26.55.35.95.96.45.46.06.26.6

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:MaterialReconcilingItems


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.023505062-105.0142460451
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.10.30.30.4-0.50.82.42.5
Percentage of Revenues us-gaap:MaterialReconcilingItems0.00.00.00.00.00.0132.7109.5108.2

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:ApplicationManagementServices, ibm:GlobalBusinessServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1821177017581734184019221897191919081989191519462002
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36420.07695.73516.03468.02967.7-1830.51335.9417.2423.10.00.00.00.0
Percentage of Revenues9.710.010.09.610.58.810.510.010.59.110.29.710.5
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:ApplicationManagementServices ibm:GlobalBusinessServices0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:CloudAndDataPlatforms, ibm:CloudAndCognitiveSoftware


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value3120286627972536
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62400.012460.95594.04090.3
Percentage of Revenues16.616.215.414.4
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:CloudAndDataPlatforms ibm:CloudAndCognitiveSoftware0.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:CloudDataPlatforms, ibm:CloudAndCognitiveSoftware


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value27752797253631012308217319172606196820791950
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5550.05594.04090.3-2953.31625.4472.4425.10.00.00.00.0
Percentage of Revenues15.815.414.414.212.811.310.512.010.510.410.2
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:CloudDataPlatforms ibm:CloudAndCognitiveSoftware0.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:CognitiveApplications, ibm:CloudAndCognitiveSoftware


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1391123313171246118216201383145413081610132414131286
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27820.05360.92634.02492.01906.5-1542.9973.9316.1290.00.00.00.00.0
Percentage of Revenues7.47.07.56.96.77.47.77.67.27.47.17.16.7
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:CognitiveApplications ibm:CloudAndCognitiveSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:ConsultingServices, ibm:GlobalBusinessServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2236218919661936207120781973197819642007190019311867
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44720.09517.43932.03872.03340.3-1979.01389.4430.0435.50.00.00.00.0
Percentage of Revenues11.912.311.210.711.89.510.910.310.89.210.19.79.8
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:ConsultingServices ibm:GlobalBusinessServices0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalProcessServices, ibm:GlobalBusinessServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value284274240221225243247258247325314315246
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5680.01191.3480.0442.0362.9-231.4173.956.154.80.00.00.00.0
Percentage of Revenues1.51.51.41.21.31.11.41.31.41.51.71.61.3
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalProcessServices ibm:GlobalBusinessServices0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:InfrastructureAndCloudServices, ibm:GlobalTechnologyServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4836485349334813491652825071517452095577539355755639
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96720.021100.09866.09626.07929.0-5030.53571.11124.81155.00.00.00.00.0
Percentage of Revenues25.827.428.126.628.024.328.127.028.625.628.827.929.6
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:InfrastructureAndCloudServices ibm:GlobalTechnologyServices0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:OperatingSystemsSoftware, ibm:Systems


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value333313338365371482364425414446397421407
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6660.01360.9676.0730.0598.4-459.0256.392.491.80.00.00.00.0
Percentage of Revenues1.81.81.92.02.12.22.02.22.32.02.12.12.1
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:OperatingSystemsSoftware ibm:Systems0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:SystemsHardware, ibm:Systems


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1384111491914889972560111713289142176133917561093
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27680.04843.51838.02976.01608.1-2438.1786.6288.7202.70.00.00.00.0
Percentage of Revenues7.46.35.28.25.711.86.26.95.010.07.18.85.7
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:SystemsHardware ibm:Systems0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:TechnologySupportServices, ibm:GlobalTechnologyServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1506151715281503155016671629166316651722170717501782
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30120.06595.73056.03006.02500.0-1587.61147.2361.5369.20.00.00.00.0
Percentage of Revenues8.08.68.78.38.87.79.08.79.27.99.18.79.3
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:TechnologySupportServices ibm:GlobalTechnologyServices0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:TransactionProcessingPlatforms, ibm:CloudAndCognitiveSoftware


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1587133814611706152025171589201818122446166919781880
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31740.05817.42922.03412.02451.6-2397.11119.0438.7401.80.00.00.00.0
Percentage of Revenues8.57.58.39.48.711.68.810.510.011.28.99.99.9
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:TransactionProcessingPlatforms ibm:CloudAndCognitiveSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:CloudAndCognitiveSoftware


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6098543755535748523874695201556349676661496254705116
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121960.023639.111106.011496.08448.4-7113.33662.71209.31101.30.00.00.00.0
Percentage of Revenues32.530.731.631.729.834.328.829.027.330.626.527.326.8
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:CloudAndCognitiveSoftware100.0100.0100.0100.0100.00.098.598.598.60.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalBusinessServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4341423439653890413641214160419741554100413041924115415240934097
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86820.018408.77930.07780.06671.0-3924.82929.6912.4921.30.00.00.00.00.00.00.0
Percentage of Revenues23.223.922.621.523.518.923.121.922.918.822.021.021.618.421.421.2
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalBusinessServices100.0100.0100.0100.0100.00.0101.0101.0100.90.0100.0100.0100.00.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalTechnologyServices


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6342637064626316646769496700683768757300710173257421
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax126840.027695.712924.012632.010430.6-6618.14718.31486.31524.40.00.00.00.0
Percentage of Revenues33.835.936.834.936.831.937.235.737.833.537.936.638.9
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalTechnologyServices100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:Systems


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1717142712571852136830421481175313282622173621771500333117211747
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34340.06204.32514.03704.02206.5-2897.11043.0381.1294.50.00.00.00.00.00.00.0
Percentage of Revenues9.28.07.210.27.814.08.29.17.312.09.310.97.914.89.09.1
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:Systems100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value187451773017560181231757121777180281916118182217611875620003190722254219153192891815521770192262023818684220591928020813195902411322397243642248427699237202492423408293042474725783246732948626157266662460729018242712372422857
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

ibm:OperatingSegmentsExcludingIntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value18740177071751018072175082177317921187411776521728186941995818557225631909819224
Percentage of Revenues100.099.999.799.799.6100.099.497.897.799.899.799.897.3100.199.799.7
Percentage of Revenues100.099.999.799.799.6100.099.497.897.799.899.799.897.3100.199.799.7
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-1611.0-1557.0-1683.0-1582.0-1514.0-1582.0-1541.0-1430.0-1668.0-1523.0-1476.0-1670.0-1592.0-1624.0-1384.0-1388.0-1492.0-1634.0-1468.0-1561.0-1645.0-2656.0-1601.0-1728.0-1968.0-1860.0-2029.0-2119.0-2099.0-2133.0-1863.01928-1919.0-2048.0-1976.01921
Percentage of Revenues-8.6-8.8-9.6-8.7-8.6-7.3-8.5-7.5-9.2-7.0-7.9-8.3-8.3-7.2-7.2-7.2-8.2-7.5-7.6-7.7-8.8-12.0-8.3-8.3-10.0-7.7-9.1-8.7-9.3-7.7-7.97.7-8.2-7.0-8.07.5
Percentage of Revenues-8.6-8.8-9.6-8.7-8.6-7.3-8.5-7.5-9.2-7.0-7.9-8.3-8.3-7.2-7.2-7.2-8.2-7.5-7.6-7.7-8.8-12.0-8.3-8.3-10.0-7.7-9.1-8.7-9.3-7.7-7.97.7-8.2-7.0-8.07.5
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2035119264191931965519023233541946220170194332325220170216282059524187204822061219576233372061321723202642467120821225062589224334263902447629732254612673725185312652657027529
Percentage of Revenues108.6108.7109.3108.5108.3107.2108.0105.3106.9106.9107.5108.1108.0107.3106.9106.9107.8107.2107.2107.3108.5111.8108.0108.1107.4108.6108.3108.9107.3107.3107.3107.6106.7107.4106.8
Percentage of Revenues108.6108.7109.3108.5108.3107.2108.0105.3106.9106.9107.5108.1108.0107.3106.9106.9107.8107.2107.2107.3108.5111.8108.0108.1107.4108.6108.3108.9107.3107.3107.3107.6106.7107.4106.8
Percentage of Revenues us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:CloudAndCognitiveSoftware


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6098543755535748523872385280564550376661496254705116
Percentage of Revenues32.530.731.631.729.833.229.329.527.730.626.527.326.8
Percentage of Revenues32.530.731.631.729.833.229.329.527.730.626.527.326.8
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:CloudAndCognitiveSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalBusinessServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4341423439653890413642434117415541194322413041924115415240934097
Percentage of Revenues23.223.922.621.523.519.522.821.722.719.922.021.021.618.421.421.2
Percentage of Revenues23.223.922.621.523.519.522.821.722.719.922.021.021.618.421.421.2
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalBusinessServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalFinancing


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value242240273265299300343351406402388394405450427415
Percentage of Revenues1.31.41.61.51.71.41.91.82.21.82.12.02.12.02.22.2
Percentage of Revenues1.31.41.61.51.71.41.91.82.21.82.12.02.12.02.22.2
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalTechnologyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6342637064626316646769496700683768757300710173257421
Percentage of Revenues33.835.936.834.936.831.937.235.737.833.537.936.638.9
Percentage of Revenues33.835.936.834.936.831.937.235.737.833.537.936.638.9
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:GlobalTechnologyServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:Systems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1717142712571852136830421481175313282622173621771500333117211747
Percentage of Revenues9.28.07.210.27.814.08.29.17.312.09.310.97.914.89.09.1
Percentage of Revenues9.28.07.210.27.814.08.29.17.312.09.310.97.914.89.09.1
Percentage of Revenues ibm:OperatingSegmentsExcludingIntersegmentElimination ibm:Systems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, ibm:CloudAndCognitiveSoftware


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-726.0-832.0-875.0-743.0-813.0-692.0-686.0-607.0-841.0-672.0-777.0-811.0-931.0
Percentage of Revenues-3.9-4.7-5.0-4.1-4.6-3.2-3.8-3.2-4.6-3.1-4.1-4.1-4.9
Percentage of Revenues-3.9-4.7-5.0-4.1-4.6-3.2-3.8-3.2-4.6-3.1-4.1-4.1-4.9
Percentage of Revenues us-gaap:IntersegmentElimination ibm:CloudAndCognitiveSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, ibm:GlobalBusinessServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-58.0-55.0-49.0-55.0-46.0-65.0-70.0-69.0-74.0-77.0-77.0-83.0-89.0-92.0-92.0-93.0-86.0-99.0-93.0-103.0-113.0-119.0-120.0-130.0-131.0-127.0-135.0-140.0-141.0-1259.0177188-180.0-1257.0175180
Percentage of Revenues-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.5-0.4-0.5-0.5-0.5-0.5-0.5-0.5-0.6-0.5-0.6-0.6-0.7-0.5-0.6-0.6-0.6-4.50.70.8-0.8-4.30.70.7
Percentage of Revenues-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.5-0.4-0.5-0.5-0.5-0.5-0.5-0.5-0.6-0.5-0.6-0.6-0.7-0.5-0.6-0.6-0.6-4.50.70.8-0.8-4.30.70.7
Percentage of Revenues us-gaap:IntersegmentElimination ibm:GlobalBusinessServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, ibm:GlobalFinancing


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-260.0-168.0-208.0-241.0-212.0-348.0-302.0-281.0-300.0-370.0-338.0-473.0-429.0-546.0-272.0-290.0-363.0-462.0-352.0-502.0-486.0-763.0-584.0-704.0-586.0-588.0-598.0-685.0-617.0-3910.0512575-541.0-3552.0491515
Percentage of Revenues-1.4-0.9-1.2-1.3-1.2-1.6-1.7-1.5-1.6-1.7-1.8-2.4-2.2-2.4-1.4-1.5-2.0-2.1-1.8-2.5-2.6-3.5-3.0-3.4-3.0-2.4-2.7-2.8-2.7-14.12.22.3-2.3-12.12.02.0
Percentage of Revenues-1.4-0.9-1.2-1.3-1.2-1.6-1.7-1.5-1.6-1.7-1.8-2.4-2.2-2.4-1.4-1.5-2.0-2.1-1.8-2.5-2.6-3.5-3.0-3.4-3.0-2.4-2.7-2.8-2.7-14.12.22.3-2.3-12.12.02.0
Percentage of Revenues us-gaap:IntersegmentElimination ibm:GlobalFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, ibm:GlobalTechnologyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-326.0-313.0-312.0-304.0-294.0-278.0-287.0-302.0-290.0-283.0-279.0-169.0-141.0-234.0-190.0-204.0-195.0-195.0-252.0-247.0-241.0-1864.0262292-248.0-2035.0285291
Percentage of Revenues-1.7-1.8-1.8-1.7-1.7-1.3-1.6-1.6-1.6-1.3-1.5-0.8-0.7-1.1-1.0-1.0-1.0-0.8-1.1-1.0-1.1-6.71.11.2-1.1-6.91.21.1
Percentage of Revenues-1.7-1.8-1.8-1.7-1.7-1.3-1.6-1.6-1.6-1.3-1.5-0.8-0.7-1.1-1.0-1.0-1.0-0.8-1.1-1.0-1.1-6.71.11.2-1.1-6.91.21.1
Percentage of Revenues us-gaap:IntersegmentElimination ibm:GlobalTechnologyServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, ibm:Systems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-241.0-189.0-240.0-240.0-148.0-198.0-195.0-171.0-163.0-239.0-181.0-242.0-153.0-179.0-227.0-177.0-167.0-156.0-176.0-206.0-212.0-207.0-209.0-189.0-173.0
Percentage of Revenues-1.3-1.1-1.4-1.3-0.8-0.9-1.1-0.9-0.9-1.1-1.0-1.2-0.8-0.8-1.2-0.9-0.9-0.7-0.9-1.0-1.1-0.9-1.1-0.9-0.9
Percentage of Revenues-1.3-1.1-1.4-1.3-0.8-0.9-1.1-0.9-0.9-1.1-1.0-1.2-0.8-0.8-1.2-0.9-0.9-0.7-0.9-1.0-1.1-0.9-1.1-0.9-0.9
Percentage of Revenues us-gaap:IntersegmentElimination ibm:Systems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6824626964286491605279305966625258797333573862806047
Percentage of Revenues36.435.436.635.834.436.433.132.632.333.730.631.431.7
Percentage of Revenues36.435.436.635.834.436.433.132.632.333.730.631.431.7
Percentage of Revenues us-gaap:OperatingSegments ibm:CloudAndCognitiveSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value439942894014394541834307418742244193439942074275426342444185419040924221428443594245441543264475444944754594467446244915473547954664490247174847
Percentage of Revenues23.524.222.921.823.819.823.222.023.120.222.421.422.418.821.921.722.519.422.321.522.720.022.421.522.718.620.519.220.617.720.019.219.916.719.118.8
Percentage of Revenues23.524.222.921.823.819.823.222.023.120.222.421.422.418.821.921.722.519.422.321.522.720.022.421.522.718.620.519.220.617.720.019.219.916.719.118.8
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalBusinessServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ibm:GlobalFinancing


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value50240848050651164964563270677272686783499769870576890976392689612161031118210481119108411891129118810151061104011039631032
Percentage of Revenues2.72.32.72.82.93.03.63.33.93.53.94.34.44.43.63.74.24.24.04.64.85.55.35.75.34.64.84.95.04.34.34.34.43.83.94.0
Percentage of Revenues2.72.32.72.82.93.03.63.33.93.53.94.34.44.43.63.74.24.24.04.64.85.55.35.75.34.64.84.95.04.34.34.34.43.83.94.0
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value66686683677466216761722769887139716475837380749475628360812782728081936294709661957010180975598289852105811020610286
Percentage of Revenues35.637.738.636.538.533.238.837.339.434.839.337.539.637.942.239.741.338.842.339.742.636.841.139.442.136.141.239.9
Percentage of Revenues35.637.738.636.538.533.238.837.339.434.839.337.539.637.942.239.741.338.842.339.742.636.841.139.442.136.141.239.9
Percentage of Revenues us-gaap:OperatingSegments ibm:GlobalTechnologyServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, ibm:Systems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1958161614972092151632391676192414912859191724191653351119481924156226861734215618883099218227302314
Percentage of Revenues10.49.18.511.58.614.99.310.08.213.110.212.18.715.610.210.08.612.39.010.710.114.011.313.111.8
Percentage of Revenues10.49.18.511.58.614.99.310.08.213.110.212.18.715.610.210.08.612.39.010.710.114.011.313.111.8
Percentage of Revenues us-gaap:OperatingSegments ibm:Systems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ProductOrService

us-gaap:FinancialService


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value242242275268302303343351404404389396410455433418
Percentage of Revenues1.31.41.61.51.71.41.91.82.21.92.12.02.12.02.32.2
Percentage of Revenues1.31.41.61.51.71.41.91.82.21.92.12.02.12.02.32.2
Percentage of Revenues us-gaap:FinancialService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value70186083610669185895943559816458535484205800672157008971601763245404
Percentage of Revenues37.434.334.838.233.543.333.233.729.438.730.933.629.939.831.432.829.8
Percentage of Revenues37.434.334.838.233.543.333.233.729.438.730.933.629.939.831.432.829.8
Percentage of Revenues us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologyService


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value11485114041118010937113731203911703123521242312936125661288612961131171270312547
Percentage of Revenues61.364.363.760.364.755.364.964.568.359.467.064.468.058.266.365.0
Percentage of Revenues61.364.363.760.364.755.364.964.568.359.467.064.468.058.266.365.0
Percentage of Revenues us-gaap:TechnologyService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementGeographical

srt:Americas


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value882081798139845081661046185148806849310222885392128707
Percentage of Revenues47.146.146.346.646.548.047.246.046.747.047.246.145.7
Percentage of Revenues47.146.146.346.646.548.047.246.046.747.047.246.145.7
Percentage of Revenues srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3887390938573977388842274036420539614458407643844188
Percentage of Revenues20.722.022.021.922.119.422.421.921.820.521.721.922.0
Percentage of Revenues20.722.022.021.922.119.422.421.921.820.521.721.922.0
Percentage of Revenues srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6038564155645695551770895477614957277081582764076176
Percentage of Revenues32.231.831.731.431.432.630.432.131.532.531.132.032.4
Percentage of Revenues32.231.831.731.431.432.630.432.131.532.531.132.032.4
Percentage of Revenues us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value533451744647524859555433502454564691470143634857544551484648516051524976473253496012515747315179536260345281560362895990525566805577592159085837588660765662603058265951514950615677
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues28.529.226.529.033.924.927.928.525.821.623.324.328.522.824.326.828.422.924.626.432.223.424.524.927.425.023.623.028.021.622.226.823.820.223.922.623.920.621.622.623.720.521.221.324.8

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value16155.0-7.0-10.0-8.0-11.0-12.0-22.0-14.0-7.03.018126.0-8.0
Percentage of SellingGeneralAndAdministrativeExpense0.30.30.1-0.1-0.2-0.1-0.2-0.2-0.5-0.3-0.20.10.30.20.1-0.2
Percentage of Revenues0.10.10.0-0.0-0.1-0.0-0.1-0.1-0.1-0.1-0.00.00.10.10.0-0.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value146814148629155971154128154200153403152186149620154652130926123382121990121622125285125356121636120495117495117470115606118056118856110495108649112729112037117532118911124314122646126223117845115153117258119213115778113832115347116433110158113474112960113452109022109524
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12474712711613524413279413351213327513120213152413687611432010645210207110297410699510763110187910195199047990789844710216710378496071951989889299747105518104515106801105906103294978379726998044100229941129326994563961978778190263901859027986267
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets85.085.586.786.286.686.986.287.988.587.386.383.784.785.485.983.884.684.384.385.286.587.386.987.687.789.089.887.985.986.481.883.084.583.684.181.381.982.082.679.779.579.879.679.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value146814148629155971154128154200153403152186149620154652130926123382121990121622125285125356121636120495117495117470115606118056118856110495108649112729112037117532118911124314122646126223117845115153117258119213115778113832115347116433110158113474112960113452109022
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2194221389205972120820551199992084117956176451648116796197841852018166175941962718419183271824617010157331492514262132941368412141118681425517377166072279219877177561909218860215412047220701201382229123127226712304622637
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.914.413.213.813.313.013.712.011.412.613.616.215.214.514.016.115.315.615.514.713.312.612.912.212.110.810.112.014.013.518.116.915.416.315.818.618.017.917.320.220.420.120.320.8

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3077434038391653984539953389313842038121775175270549146482574679549122497354474245013428894388841433435244762342504421124518646316494224716348182479595135047533479114894949433481414739248847509284537346937475244811648935
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.022.925.125.925.925.425.225.550.140.339.839.638.539.239.736.837.436.537.435.836.940.138.538.840.141.342.039.738.839.140.740.341.641.741.541.641.642.343.741.241.442.142.444.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value735010531132121439312041112188172100874539917134113791156310741119491197210915116961009678269039100171435476869480839387968476956197159409107161007295581058510412119091086411835119221130311714127631066198591032512472121831274114991
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.07.18.59.37.87.35.46.729.413.19.29.58.89.59.69.09.78.66.77.88.512.17.08.77.47.97.28.07.87.78.58.58.39.08.710.39.510.310.210.310.311.39.40.00.00.011.211.60.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value756510673136751455312188113718314102254553417272116041173110960122621223411168119321029680737885
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.27.28.89.47.97.45.56.829.413.29.49.69.09.89.89.29.98.86.97.1

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value682764587132609965436927787067537414698774327071744577788928815084018377918282918782852783337987863288069090912299029682104659865102771008410667977210172100121117997191053910834
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.34.64.04.24.55.24.54.85.36.05.86.16.27.16.77.07.17.87.27.47.27.57.47.77.97.77.78.07.98.38.48.98.68.98.48.98.79.68.89.39.5

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18071828183919491869178616191712174517711682189317421753158317111604160915531729168516901551161319121970210323562338245623102492238924212287258627582754259526632573254924502494
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.31.21.21.11.11.11.41.41.61.41.41.31.41.31.41.31.51.41.41.41.51.71.81.82.01.92.01.82.12.12.11.92.22.42.42.22.42.32.32.22.3

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value276826472206218822602509210125152409247823782388244325733942438941554715456445394676433442054158447058904967502242634430448847234746474740245016511352995249517246624226
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.81.41.41.51.61.41.71.61.91.92.02.02.13.13.63.44.03.93.94.03.63.83.84.05.34.24.23.43.63.64.04.14.03.44.34.54.64.54.74.13.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3257532269331763243231666310893202831670318433269232460324843223332775323313193731291306813013330842301362962729342292293863938303390343995040936404784047540808395524005640501407164015840441401244013941126407654028939596
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.221.721.321.020.520.321.021.220.625.026.326.626.526.225.826.326.026.125.726.725.524.926.626.934.334.233.233.632.933.032.134.634.334.234.035.235.335.134.536.436.236.135.536.3

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2315222817231362247421957214642201821608216412201721668215352120921497212152088020388198161930319738190441871718615185682793627793282632888227188267952665426931261962645926505266882629326496262412625226887265572619325431
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.815.414.814.614.214.014.514.414.016.817.617.717.417.216.917.216.916.916.417.116.115.716.817.124.824.824.024.321.921.821.122.922.722.622.223.123.123.022.523.823.723.523.123.3

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value630620613623622629611307303322348342340359383388390396403398347309290296298329339340339344350326331332324318310300307309310315289284286
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value94239452100409958970996261001010063102021067510792109491102411278111161105710903108651083011104110921091010727106611070210509107711106813748136831382113877133561359713996140271386513946138831388714239142081409614165
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.46.46.46.56.36.36.66.76.68.28.79.09.19.08.99.19.09.29.29.69.49.29.79.89.59.49.29.311.111.210.911.811.611.611.712.112.212.111.912.612.512.612.413.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value616455998459617583555783357517582225795135284362813626536526364823673236788367823651736307361993640136422343223202130275305352987130556310453156831214311843088228846290252924728270277352746826213249132560925408251362019018226
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.040.438.237.937.537.538.338.722.827.729.429.930.029.329.330.230.330.930.831.530.928.929.027.927.126.726.026.125.425.524.726.225.124.824.524.424.423.822.522.622.622.522.218.516.6

us-gaap:Goodwill us-gaap:BusinessAcquisition

ibm:AcquisitionsCompletedIn2021


Goodwillus-gaap:
Period End2021-03-31
Value746
Percentage of Goodwill1.2
Percentage of Assets0.5
Percentage of Assets ibm:AcquisitionsCompletedIn20210.0

ibm:RedHat


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-07-09
Value230002300023100231002310023102
Percentage of Goodwill39.439.840.239.739.90.0
Percentage of Assets14.914.915.115.215.40.0
Percentage of Assets ibm:RedHat0.00.00.00.00.00.0

ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021


Goodwillus-gaap:
Period End2021-06-30
Value833
Percentage of Goodwill1.4
Percentage of Assets0.6
Percentage of Assets ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions20210.0

ibm:TurbonomicAcquisition


Goodwillus-gaap:
Period End2021-06-30
Value1444
Percentage of Goodwill2.3
Percentage of Assets1.0
Percentage of Assets ibm:TurbonomicAcquisition0.0

us-gaap:Goodwill us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments

ibm:AcquisitionsCompletedIn2021, ibm:CloudAndCognitiveSoftware


Goodwillus-gaap:
Period End2021-03-31
Value245
Percentage of Goodwill0.4
Percentage of Assets0.2
Percentage of Assets ibm:AcquisitionsCompletedIn2021 ibm:CloudAndCognitiveSoftware0.0

ibm:AcquisitionsCompletedIn2021, ibm:GlobalBusinessServices


Goodwillus-gaap:
Period End2021-03-31
Value501
Percentage of Goodwill0.8
Percentage of Assets0.3
Percentage of Assets ibm:AcquisitionsCompletedIn2021 ibm:GlobalBusinessServices0.0

ibm:RedHat, ibm:CloudAndCognitiveSoftware


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value1840018400185001850018400
Percentage of Goodwill31.531.832.231.831.8
Percentage of Assets11.911.912.112.212.3
Percentage of Assets ibm:RedHat ibm:CloudAndCognitiveSoftware0.00.00.00.00.0

ibm:RedHat, ibm:Systems


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value400400400400500
Percentage of Goodwill0.70.70.70.70.9
Percentage of Assets0.30.30.30.30.3
Percentage of Assets ibm:RedHat ibm:Systems0.00.00.00.00.0

ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021, ibm:CloudAndCognitiveSoftware


Goodwillus-gaap:
Period End2021-06-30
Value283
Percentage of Goodwill0.5
Percentage of Assets0.2
Percentage of Assets ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021 ibm:CloudAndCognitiveSoftware0.0

ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021, ibm:GlobalBusinessServices


Goodwillus-gaap:
Period End2021-06-30
Value549
Percentage of Goodwill0.9
Percentage of Assets0.4
Percentage of Assets ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021 ibm:GlobalBusinessServices0.0

ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021, ibm:GlobalTechnologyServices


Goodwillus-gaap:
Period End2021-06-30
Value2.0
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets ibm:SeriesOfIndividuallyImmaterialBusinessAcquisitions2021 ibm:GlobalTechnologyServices0.0

ibm:TurbonomicAcquisition, ibm:CloudAndCognitiveSoftware


Goodwillus-gaap:
Period End2021-06-30
Value1377
Percentage of Goodwill2.2
Percentage of Assets0.9
Percentage of Assets ibm:TurbonomicAcquisition ibm:CloudAndCognitiveSoftware0.0

ibm:TurbonomicAcquisition, ibm:GlobalBusinessServices


Goodwillus-gaap:
Period End2021-06-30
Value67
Percentage of Goodwill0.1
Percentage of Assets0.0
Percentage of Assets ibm:TurbonomicAcquisition ibm:GlobalBusinessServices0.0

us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value454614393543934431094276242620430374281924683246252459424973
Percentage of Goodwill73.773.273.773.973.974.173.973.970.067.967.867.9
Percentage of Assets31.029.628.228.027.727.828.328.616.018.819.919.9
Percentage of Assets us-gaap:OperatingSegments ibm:CloudAndCognitiveSoftware0.00.00.00.00.00.073.60.00.00.085.784.2

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value670665856145582257305672577556944718470847114782
Percentage of Goodwill10.911.010.310.09.99.99.99.813.413.013.013.0
Percentage of Assets4.64.43.93.83.73.73.83.83.13.63.83.8
Percentage of Assets us-gaap:OperatingSegments ibm:GlobalBusinessServices0.00.00.00.00.00.057.50.00.00.056.154.9

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value718471757245715470806974714170664027400339884044
Percentage of Goodwill11.712.012.212.312.212.112.312.211.411.011.011.0
Percentage of Assets4.94.84.64.64.64.54.74.72.63.13.23.2
Percentage of Assets us-gaap:OperatingSegments ibm:GlobalTechnologyServices0.00.00.00.00.00.031.80.00.00.022.623.0

us-gaap:OperatingSegments, ibm:Systems


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value229322892293227022612251227023721855185118471862
Percentage of Goodwill3.73.83.83.93.93.93.94.15.35.15.15.1
Percentage of Assets1.61.51.51.51.51.51.51.61.21.41.51.5
Percentage of Assets us-gaap:OperatingSegments ibm:Systems0.00.00.00.00.00.049.50.00.00.045.847.8

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value135391353513796139621427014666152351561327282956308731343344352137423981417944364688488151483487
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.18.89.19.39.610.010.41.82.32.52.62.72.83.03.33.53.84.04.24.43.2

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ibm:PatentsAndTrademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value17081717174717431768180418561890263287311337363387413440468496525540572193
Percentage of FiniteLivedIntangibleAssetsNet12.612.712.712.512.412.312.212.19.69.710.110.810.911.011.011.111.211.211.211.111.15.5
Percentage of Assets1.21.21.11.11.11.21.21.30.20.20.30.30.30.30.30.40.40.40.40.50.50.2
Percentage of Assets ibm:PatentsAndTrademarks0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value100210179639849839971006985953982939788796794810835856865876882882767
Percentage of FiniteLivedIntangibleAssetsNet7.47.57.07.06.96.86.66.334.933.230.425.123.822.621.621.020.519.518.718.117.122.0
Percentage of Assets0.70.70.60.60.60.60.70.70.60.80.80.60.70.60.60.70.70.70.70.80.70.7
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value666665996783684770007185748876847828729451026111311941278136313981497160216681769929
Percentage of FiniteLivedIntangibleAssetsNet49.248.849.249.049.149.049.149.228.729.530.632.733.333.934.234.233.533.734.234.234.426.6
Percentage of Assets4.54.44.34.44.54.74.95.10.50.70.80.80.91.01.01.11.21.31.41.41.50.8
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value415141884286436944984658486150277017848609491037111712101310142415421654175918941563
Percentage of FiniteLivedIntangibleAssetsNet30.730.931.131.331.531.831.932.225.726.527.930.331.031.732.332.934.134.835.336.036.844.8
Percentage of Assets2.82.82.72.82.93.03.23.40.50.60.70.80.90.91.01.11.21.31.41.51.61.4
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value12141618202224262830323436303132343531323235
Percentage of FiniteLivedIntangibleAssetsNet0.10.10.10.10.10.20.20.21.01.01.01.11.10.90.80.80.80.80.70.70.61.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value43874483468647154774487149964901499846344800
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.03.03.13.13.23.33.33.23.50.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.02.01.00.01.00.00.00.00.00.01110.04.0
Percentage of EquitySecuritiesFvNi100.0100.0100.00.0100.00.00.00.00.00.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value42144140490839854719417248964042472457116558538455185736645154425126532462095271548453026028516659436314686458556271686574616263682172037952708574827416851770937112674778047436
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.83.12.63.12.73.22.73.14.45.34.44.54.65.14.54.34.55.34.64.64.55.54.85.35.65.84.95.05.65.95.35.96.16.76.16.66.47.36.46.36.06.96.8

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3661636542398693799338442406733770135066423513887138227368223544235733373633169735966364813627534447335853466434269337323553535640396004230642433410584015439222410374212243625394993890338209421233602839843403874056236002
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.924.625.624.724.926.524.823.427.429.731.030.229.128.529.826.129.831.030.929.828.429.231.031.031.531.833.735.634.133.531.833.335.635.936.634.134.233.136.232.735.135.835.833.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1334133713571336134313271380
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.90.90.90.9

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22602640330123752627234828392154243924843046250227802918421930382779274732352137227522032847288336393539508424752335224546334746470846784948214721832184331323602363253142163826
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.82.11.51.71.51.91.41.61.92.52.12.32.33.42.52.32.32.81.81.91.92.62.73.23.24.32.11.91.83.74.04.14.04.21.91.91.92.82.12.12.23.73.5

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value48735512065435555129554495268554102577975844539727356053598937851404103983741327376123444134655355633963840254334283212233339342953507332821340083466832856284782629224672240882433324766257602285721846
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.234.534.835.836.034.335.538.637.830.328.929.531.132.331.834.031.229.329.530.833.633.930.329.629.630.629.827.627.428.326.024.222.821.020.221.021.822.319.619.3

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value48735512065435555129554495268554102356052408921915217492184621932
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.234.534.835.836.034.335.528.921.919.319.319.320.1

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1726517346182481673216483164741714215925164711646717002157741596316750167201755417320169671707016688167231693916504170121729817211182611509315984160311624217994179621906920418166821654417579183741537516014159951597815953
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.811.711.710.910.710.711.310.610.712.613.812.913.113.413.314.414.414.414.514.414.214.314.915.715.315.415.512.712.913.112.915.315.616.317.114.414.515.215.814.014.114.214.114.6

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1251241291261371291441391311261341341281241311301251211461491561471621571531481461401361331371311271221241269282978784104126118
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value147411448914897154841566615874145261556412190121841217499791000010250996577237437760174778138838582648099873988278791889210613102241010699348057781277717607933591669112899686548851833082268819
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.09.79.610.010.210.39.510.47.99.39.98.28.28.27.96.36.26.56.47.07.17.07.38.07.87.87.68.98.28.27.96.86.86.66.48.18.17.97.77.97.87.47.38.1

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3278337935743635368437993879
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.32.32.42.42.52.5

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2194221389205972120820551199992084117956176451648116796197841852018166175941962718419183271824617010157331492514262132941368412141118681425517377166072279219877177561909218860215412047220701201382229123127226712304622637
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.914.413.213.813.313.013.712.011.412.613.616.215.214.514.016.115.315.615.514.713.312.612.912.212.110.810.112.014.013.518.116.915.416.315.818.618.017.917.320.220.420.120.320.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value22067215132072721334206882012820985180961777616607169291991818648182901772519757185441844818392171591588915072144241345013837122891201414395175131674022929200081788319214189842166620563207832023622378232102277623172223592117622149227551358428615
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.014.513.313.813.413.113.812.111.512.713.716.315.314.614.116.215.415.715.714.813.512.713.112.412.311.010.212.114.113.618.217.015.516.415.918.718.118.017.420.320.520.220.40.00.00.020.912.40.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312011-12-312010-12-312009-12-31
Value-23225.0-23716.0-24216.0-23399.0-23839.0-24296.0-24718.0-24988.0-25323.0-25753.0-26083.0-24618.0-25146.0-25730.0-23796.0-24670.0-25148.0-25609.0-26116.0-24981.0-25442.0-25913.0-26248.0-24901.0-25433.0-26509.0-21767.0-23737.0-21289.0-20297.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-105.2-110.2-116.8-109.7-115.2-120.7-117.8-138.1-142.5-155.1-154.1-123.6-134.8-140.7-134.3-124.9-135.6-138.8-142.0-145.6-160.1-171.9-182.0-185.1-183.8-220.7-94.9-117.3-91.9-89.2
Percentage of Assets-15.8-16.0-15.5-15.2-15.5-15.8-16.2-16.7-16.4-19.7-21.1-20.2-20.7-20.5-19.0-20.3-20.9-21.8-22.2-21.6-21.6-21.8-23.8-22.9-22.6-22.6-17.2-20.4-18.8-18.6
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value-155.0-197.0-456.0-391.0-316.0-246.0-179.0-3.0-39.0902842502645035-46.047319100
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.7-0.9-2.2-1.8-1.5-1.2-0.9-0.0-0.20.51.71.31.40.30.2-0.20.31.70.7
Percentage of Assets-0.1-0.1-0.3-0.3-0.2-0.2-0.1-0.0-0.00.10.20.20.20.00.0-0.00.00.30.1
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312011-12-312010-12-312009-12-31
Value-1.0-1.00.00.01.00.00.00.0-2.0-1.00.00.00.0-1.03.04.05.02.02.04.06.05.05.0-67.0-5.0-15.0-1.013164113
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.00.00.00.00.00.00.0-0.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0-0.5-0.0-0.1-0.00.10.70.5
Percentage of Assets-0.0-0.00.00.00.00.00.00.0-0.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0-0.1-0.0-0.0-0.00.00.10.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-27652.0-28257.0-29337.0-28584.0-28757.0-29283.0-28597.0-29086.0-28841.0-29182.0-29490.0-27820.0-28290.0-28583.0-26592.0-27521.0-28189.0-28710.0-29398.0-28164.0-28604.0-28998.0-29607.0-28155.0-27432.0-27842.0-27875.0-20978.0-20369.0-21156.0-21602.0-24971.0-25774.0-25466.0-25759.0-20720.0-21498.0-21115.0-21885.0-18099.0-17109.0-18119.0-18743.0-17479.0-18510.0-18178.0-18830.0-21845.0-3414.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-125.3-131.3-141.5-134.0-139.0-145.5-136.3-160.7-162.2-175.7-174.2-139.7-151.7-156.3-150.0-139.3-152.0-155.6-159.8-164.1-180.0-192.4-205.3-209.3-198.3-226.6-232.0-145.7-116.3-126.4-94.2-124.8-144.1-132.5-135.7-95.6-104.5-101.6-108.1-80.9-73.7-79.6-80.9-78.2-87.4-82.1-82.8-160.8-11.9
Percentage of Assets-18.8-19.0-18.8-18.5-18.6-19.1-18.8-19.4-18.6-22.3-23.9-22.8-23.3-22.8-21.2-22.6-23.4-24.4-25.0-24.4-24.2-24.4-26.8-25.9-24.3-24.9-23.7-17.6-16.4-17.2-17.1-21.2-22.4-21.7-21.6-17.9-18.9-18.3-18.8-16.4-15.1-16.0-16.50.00.00.0-17.3-19.90.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312011-12-312010-12-312009-12-31
Value-4271.0-4343.0-4665.0-4794.0-4602.0-4741.0-3700.0-4095.0-3477.0-3519.0-3690.0-3451.0-3408.0-2903.0-2834.0-2809.0-3093.0-3333.0-3603.0-3161.0-3112.0-2958.0-3463.0-3335.0-2292.0-1742.0332176724781836
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-19.4-20.2-22.5-22.5-22.2-23.6-17.6-22.6-19.6-21.2-21.8-17.3-18.3-15.9-16.0-14.2-16.7-18.1-19.6-18.4-19.6-19.6-24.0-24.8-16.6-14.51.48.710.78.1
Percentage of Assets-2.9-2.9-3.0-3.1-3.0-3.1-2.4-2.7-2.2-2.7-3.0-2.8-2.8-2.3-2.3-2.3-2.6-2.8-3.1-2.7-2.6-2.5-3.1-3.1-2.0-1.50.31.52.21.7
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value56912567885655656366561355609255895558085540455287551515498754827547125456654395542355410453935537595356553439532625322053059529285266652446521635194351594512035088650522501104960349157488004812947558469754627845418443284352242665418103912935188
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest257.9264.0272.9264.2271.3278.7266.4308.4311.7332.9325.8276.1294.0299.1307.8275.3292.5293.3293.3313.3337.1354.6369.3395.7383.5430.7438.4364.3297.9310.3225.0255.9284.5262.9264.0228.9239.1234.8237.8212.5202.4203.2196.0198.3205.5192.6183.7288.1123.0
Percentage of Assets38.838.236.336.636.436.636.737.335.842.244.745.145.143.743.544.745.046.045.946.545.445.048.249.047.147.244.844.142.042.440.943.444.243.142.042.843.242.341.343.241.441.040.00.00.00.038.435.70.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1251241291261371291441391311261341341281241311301251211461491561471621571531481461401361331371311271221241269282978784104126121117116118119145
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.60.70.60.70.80.70.80.80.70.70.70.70.70.70.70.80.91.01.01.11.21.11.21.21.00.80.80.60.70.70.60.70.60.40.40.50.40.40.50.50.50.60.50.50.90.5
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.10.10.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value21942213892059721208205511999920841179561764516481167961978418520181661759419627184191832718246170101573314925142621329413684121411186814255173771660722792198771775619092188602154120472207012013822291231272267123046222382105922033226371346528470
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.499.499.499.499.399.499.399.299.399.299.299.399.399.399.399.399.399.399.299.199.099.098.998.898.998.898.899.099.299.299.499.399.399.499.399.499.699.699.599.699.699.599.599.599.499.599.599.199.5
Percentage of Assets14.914.413.213.813.313.013.712.011.412.613.616.215.214.514.016.115.315.615.514.713.312.612.912.212.110.810.112.014.013.518.116.915.416.315.818.618.017.917.320.220.420.120.30.00.00.020.812.30.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value162086162218162717162806162559162626162954160709160467159396159206158612157349156371153126155565154234153292152759149585148071146888146124142898141218139030137793133403134483131431130042124885121883119713117641112773109928107036104857100266973349459092532880958532382783809007035360640
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest734.5754.0785.0763.1785.8808.0776.5888.1902.7959.8940.4796.3843.8855.0863.9787.4831.7830.9830.6871.8931.9974.61013.11062.41020.61131.31146.9926.7767.9785.1567.2624.2681.6623.1619.7520.5534.6515.0518.2448.1419.4415.3399.3394.0402.9373.8355.5517.9211.9
Percentage of Assets110.4109.1104.3105.6105.4106.0107.1107.4103.8121.7129.0130.0129.4124.8122.2127.9128.0130.5130.0129.4125.4123.6132.2131.5125.3124.1117.2112.2108.2107.2103.0106.0105.8102.198.797.496.692.890.191.085.883.781.60.00.00.074.264.20.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockCommon


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value-169404.0-169360.0-169339.0-169380.0-169386.0-169437.0-169413.0-169474.0-169385.0-169021.0-168071.0-165995.0-165366.0-164334.0-163507.0-162812.0-161860.0-160359.0-159050.0-158170.0-157298.0-156404.0-155518.0-154669.0-153162.0-150715.0-137242.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-767.7-787.2-817.0-793.9-818.8-841.8-807.3-936.5-952.9-1017.8-992.8-833.4-886.8-898.5-922.5-824.1-872.8-869.2-864.8-921.8-990.0-1037.7-1078.2-1150.0-1106.9-1254.5-598.6
Percentage of Assets-115.4-113.9-108.6-109.9-109.8-110.5-111.3-113.3-109.5-129.1-136.2-136.1-136.0-131.2-130.4-133.9-134.3-136.5-135.4-136.8-133.2-131.6-140.7-142.4-135.9-128.2-108.7
Percentage of Assets us-gaap:TreasuryStockCommon0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stocks Including Additional Paid In Capital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value56912567885655656366561355609255895558085540455287551515498754827547125456654395542355410453935537595356553439532625322053059529285266652446521635194351594512035088650110
Percentage of CommonStocksIncludingAdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.838.236.336.636.436.636.737.335.842.244.745.145.143.743.544.745.046.045.946.545.445.048.249.047.147.244.844.142.042.440.943.444.242.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16208616221816271716280616255916262616295416070916046715939615920615861215734915637115312615556515423415329215275914958514807114688814612414289814121813903013779313340313448313143113004212488512188311971311764111277310992810703610485710026697334945909253280900
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets110.4109.1104.3105.6105.4106.0107.1107.4103.8121.7129.0130.0129.4124.8122.2127.9128.0130.5130.0129.4125.4123.6132.2131.5125.3124.1117.2112.2108.2107.2103.0106.0105.8102.198.797.496.692.890.191.085.883.781.674.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-27652.0-28257.0-29337.0-28584.0-28757.0-29283.0-28597.0-29086.0-28841.0-29182.0-29490.0-27820.0-28290.0-28583.0-26592.0-27521.0-28189.0-28710.0-29398.0-28164.0-28604.0-28998.0-29607.0-28155.0-27432.0-27842.0-27875.0-20978.0-20369.0-21156.0-21602.0-24971.0-25774.0-25466.0-25759.0-20720.0-21498.0-21115.0-21885.0-18099.0-17109.0-18119.0-18743.0-18830.0-21845.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-18.8-19.0-18.8-18.5-18.6-19.1-18.8-19.4-18.6-22.3-23.9-22.8-23.3-22.8-21.2-22.6-23.4-24.4-25.0-24.4-24.2-24.4-26.8-25.9-24.3-24.9-23.7-17.6-16.4-17.2-17.1-21.2-22.4-21.7-21.6-17.9-18.9-18.3-18.8-16.4-15.1-16.0-16.5-17.3-19.9

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1251241291261371291441391311261341341281241311301251211461491561471621571531481461401361331371311271221241269282978784104126118
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value262549144285357644763451361929414759411942322294460257333570346639553657421335585530527942354279379237664437
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.027.724.419.725.515.820.115.326.218.922.611.524.125.418.618.021.816.821.917.629.623.922.016.015.415.919.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-2671.0-2000.0-332.0-1236.0-902.0128-30373.04162-853.0455-2969.0-635.0-1764.0-3818.0-1923.0-1705.0350-3376.0-1050.0-4664.0-1886.0-5445.0-1343.0-584.0498-1946.0-699.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.2-11.3-1.9-6.8-5.10.6-168.521.7-4.72.1-15.8-3.2-9.2-16.9-10.0-8.81.9-15.5-5.5-23.0-10.1-24.7-7.0-2.22.0-8.2-3.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-3131.0-5783.0-1689.0-1624.0-115.0-5675.0-8177.0210311863-4605.0-436.0-2519.0-2909.0-919.0-2756.0-609.0-2134.0-1287.0-4182.0-3128.02806-1348.0-1848.0-4903.0-2314.0-3746.0-3368.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.7-32.6-9.6-9.0-0.7-26.1-45.4109.810.2-21.2-2.3-12.6-15.3-4.1-14.4-3.2-11.8-5.9-21.8-15.515.0-6.1-9.6-18.4-9.4-15.8-14.7

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3108.0-3002.023658173057-1911.0-35309.0282625668-127.0771-1302.0281065-764.016372223
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.6-16.913.54.517.4-8.8-195.9147.531.2-0.64.1-6.50.14.7-4.08.512.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value262549144285357644763451361929414759411942322294460257333570346639553657421335585530527942354279379237664437
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.027.724.419.725.515.820.115.326.218.922.611.524.125.418.618.021.816.821.917.629.623.922.016.015.415.919.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value132595516981361117536701672249815911951269424041679-1054.02726233117504501285325042014
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.8

us-gaap:NetIncomeLoss us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

ibm:CostOfFinancing, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.0-4.0-5.0-5.0-6.0-12.0-15.0-18.0-22.0-14.0-14.0-15.0-13.0
Percentage of NetIncomeLoss-0.3-0.4-0.3-0.4-0.5-0.3-0.9-0.7-1.4-0.7-0.5-0.6-0.8
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Revenues ibm:CostOfFinancing us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:CostOfServices, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.010.07.0-1.07.01217157.00.01.07.014141211
Percentage of NetIncomeLoss0.41.00.4-0.10.60.31.00.60.40.00.00.30.8-1.30.40.5
Percentage of Revenues0.00.10.0-0.00.00.10.10.10.00.00.00.00.10.10.10.1
Percentage of Revenues ibm:CostOfServices us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ibm:OtherIncomeExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-37.0-87.07052-67.0277-334.0151-65.0-30.0-6.0-297.078303990
Percentage of NetIncomeLoss-2.8-9.14.13.8-5.77.5-20.06.0-4.1-1.5-0.2-12.44.6-2.81.43.9
Percentage of Revenues-0.2-0.50.40.3-0.41.3-1.90.8-0.4-0.1-0.0-1.50.40.10.20.5
Percentage of Revenues ibm:OtherIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfSales, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-8.0-16.0-3.07.06.08.07.08.013166.0-5.0-12.0-14.01.08.0
Percentage of NetIncomeLoss-0.6-1.7-0.20.50.50.20.40.30.80.80.2-0.2-0.71.30.00.3
Percentage of Revenues-0.0-0.1-0.00.00.00.00.00.00.10.10.0-0.0-0.1-0.10.00.0
Percentage of Revenues us-gaap:CostOfSales us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-12.0-12.0-14.0-15.0-16.0-36.0-48.0-39.0-24.028-27.0-28.0-12.00.0-4.0-4.0
Percentage of NetIncomeLoss-0.9-1.3-0.8-1.1-1.4-1.0-2.9-1.6-1.51.4-1.0-1.2-0.7-0.0-0.1-0.2
Percentage of Revenues-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.2-0.10.1-0.1-0.1-0.10.0-0.0-0.0
Percentage of Revenues us-gaap:InterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-12.0-11.0-4.05.07.06.08.09.01610.05.0-2.0-13.0-8.0-4.06.0
Percentage of NetIncomeLoss-0.9-1.2-0.20.40.60.20.50.41.00.50.2-0.1-0.80.8-0.10.3
Percentage of Revenues-0.1-0.1-0.00.00.00.00.00.00.10.00.0-0.0-0.1-0.0-0.00.0
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338243881306654903839366428635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.515.112.418.614.713.711.618.114.814.311.4

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338233882306654903839366328635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.415.112.418.614.713.711.618.114.814.311.4
Percentage of Revenues us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value132595516981361117536701672249815911951269424041679-1054.027252332175045012853250420144463295034492328548318413723846184404132263032583338233882306654903839366328635257358933862601
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.15.49.77.56.716.99.313.08.89.014.412.08.8-4.714.212.19.620.714.812.410.820.215.316.611.922.70.117.010.622.317.012.913.019.915.415.112.418.614.713.711.618.114.814.311.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2442132222471892112201351131391291261161461231361291411421281339911213012796150142124159150161144178182160168199166162170155154151169
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-2671.0-2000.0-332.0-1236.0-902.0128-30373.04162-853.0455-2969.0-635.0-1764.0-3818.0-1923.0-1705.0350-3376.0-1050.0-4664.0-1886.0-5445.0-1343.0-584.0498-1946.0-699.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.2-11.3-1.9-6.8-5.10.6-168.521.7-4.72.1-15.8-3.2-9.2-16.9-10.0-8.81.9-15.5-5.5-23.0-10.1-24.7-7.0-2.22.0-8.2-3.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value56049472558563057658858353978281293187095684868574097376887095690994886585794710369088491064985860714100094711989371048133680991511521447828758
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value101587515342382109688010106651138101732131290152111941424107312731896163513451041972385897819825677359477890583999213615139414281227438382359415892135421361747
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-3131.0-5783.0-1689.0-1624.0-115.0-5675.0-8177.0210311863-4605.0-436.0-2519.0-2909.0-919.0-2756.0-609.0-2134.0-1287.0-4182.0-3128.02806-1348.0-1848.0-4903.0-2314.0-3746.0-3368.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-16.7-32.6-9.6-9.0-0.7-26.1-45.4109.810.2-21.2-2.3-12.6-15.3-4.1-14.4-3.2-11.8-5.9-21.8-15.515.0-6.1-9.6-18.4-9.4-15.8-14.7

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1467145714531450144014381436143613971416143114371382138713951403132113291337134012501261127012781088108910901096990102510371048948957968978870880893905795808818833718
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:AcquisitionRelatedCharges

ibm:AcquisitionRelatedCharges


Acquisition
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value18161.01.00.02725510239132.01.00.0330.06.0134.04.023-27.0154.07.0
Percentage of AcquisitionRelatedCharges100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:AllowanceForDoubtfulAccountsReceivableOther

ibm:AllowanceForDoubtfulAccountsReceivableOther


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value3000000.0-2000000.07000000.06000000.0
Percentage of AllowanceForDoubtfulAccountsReceivableOther100.0100.0100.0100.0

ibm:AmortizationAcquiredIntangibleAssets

ibm:AmortizationAcquiredIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value462452459472473482473169173196207203203214238243249256265265211185162160
Percentage of AmortizationAcquiredIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:AmortizationOfIntangibleAssetsNetOfCurrencyImpact

ibm:AmortizationOfIntangibleAssetsNetOfCurrencyImpact


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value630620613623622626614307303322348
Percentage of AmortizationOfIntangibleAssetsNetOfCurrencyImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductiblePercent us-gaap:BusinessAcquisition

ibm:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductiblePercent

ibm:AcquisitionsCompletedIn2021


Business
Period End2021-03-31
Value11.0
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductiblePercent100.0

ibm:ChangeInPretaxStockBasedCompensation

ibm:ChangeInPretaxStockBasedCompensation


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-4.0242.0112769110.06.0-10.0-13.0-19.08.0-4.031-3.06.0-39.0-11.03.0
Percentage of ChangeInPretaxStockBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:ChangeInPretaxStockBasedCompensation us-gaap:AwardType

us-gaap:PerformanceShares


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-8.016-27.05.0-6.0-1.08.0-2.0-6.0-11.07.0-14.020-4.012-31.0-7.01.0
Percentage of ChangeInPretaxStockBasedCompensation200.066.7-1350.04.5-7.9-10.0133.320.046.257.987.5350.064.5133.3200.079.563.633.3

us-gaap:RestrictedStockUnitsRSU


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value3.08.049451710.013-1.0-7.0-5.0-2.08.0166.0-9.0-10.0-7.01.04.0
Percentage of ChangeInPretaxStockBasedCompensation-75.033.32450.040.222.411.0130.0-16.770.038.510.5100.0-400.019.4300.0-166.717.9-9.1133.3

ibm:ChangeInPretaxStockBasedCompensationAttributableToConversionOfAwardsIssuedByAcquirees us-gaap:BusinessAcquisition

ibm:ChangeInPretaxStockBasedCompensationAttributableToConversionOfAwardsIssuedByAcquirees

ibm:RedHat


Change
Period End2020-09-302020-06-30
Value-20.062
Percentage of ChangeInPretaxStockBasedCompensationAttributableToConversionOfAwardsIssuedByAcquirees100.0100.0

ibm:ContractWithCustomerLiabilityAdditions us-gaap:ProductOrService

ibm:ContractWithCustomerLiabilityAdditions

ibm:ExtendedWarranty


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3218225340744345368227654692
Percentage of ContractWithCustomerLiabilityAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:ContractWithCustomerLiabilityOther us-gaap:ProductOrService

ibm:ContractWithCustomerLiabilityOther

ibm:ExtendedWarranty


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.0-6.06.04.0-13.06.0-8.03.0-3.0-1.0-3.0-14.05.04.0
Percentage of ContractWithCustomerLiabilityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:DefaultProvisionOnCreditFacility us-gaap:CreditFacility

ibm:DefaultProvisionOnCreditFacility

us-gaap:RevolvingCreditFacility


Default
Period End2021-06-302021-03-31
Value0.0500
Percentage of DefaultProvisionOnCreditFacility0.0100.0

ibm:DefinedBenefitPlanContributionsByEmployerNoncash

ibm:DefinedBenefitPlanContributionsByEmployerNoncash


Defined
Period End2021-03-312020-03-31
Value12970
Percentage of DefinedBenefitPlanContributionsByEmployerNoncash100.0100.0

ibm:DefinedBenefitPlanContributionsByEmployerNoncash us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

ibm:ForeignPlanAndDefinedBenefitPlans, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-03-312020-03-31
Value150185
Percentage of DefinedBenefitPlanContributionsByEmployerNoncash116.3264.3

ibm:DefinedBenefitPlanNonpensionPostretirementBenefitPlanAndNonpensionMedicalTrustContributionsByEmployerNoncash us-gaap:RetirementPlanType

ibm:DefinedBenefitPlanNonpensionPostretirementBenefitPlanAndNonpensionMedicalTrustContributionsByEmployerNoncash

ibm:PensionPlanIncludingMultiemployerPlan


Defined
Period End2020-09-302020-06-302019-09-302019-06-30
Value6515565101
Percentage of DefinedBenefitPlanNonpensionPostretirementBenefitPlanAndNonpensionMedicalTrustContributionsByEmployerNoncash100.0100.0100.0100.0

ibm:DisposalGroupIncludingDiscontinuedOperationConsiderationReceived us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

ibm:DisposalGroupIncludingDiscontinuedOperationConsiderationReceived

ibm:SelectStandaloneCloudAndCognitiveSoftwareProducts


Disposal
Period End2020-09-30
Value90
Percentage of DisposalGroupIncludingDiscontinuedOperationConsiderationReceived100.0

ibm:ExpenseAndOtherIncome

ibm:ExpenseAndOtherIncome


Expense
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value745172996603712979727107681362426160625358076423711163935735635163485908575166537652630958156165645157676513680475637354656779887072733666577120728374487146750070417272632462346462
Percentage of ExpenseAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:GainLossOnDispositionOfAssetsAndOther

ibm:GainLossOnDispositionOfAssetsAndOther


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value151-7.081154-315.026841611176-141.02428-34.078-18.0-61.0-13.038675.0-172.0103-432.0
Percentage of GainLossOnDispositionOfAssetsAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:IntangibleAssetsFullyAmortizedRetired

ibm:IntangibleAssetsFullyAmortizedRetired


Intangible
Period End2021-06-302021-03-31
Value164256
Percentage of IntangibleAssetsFullyAmortizedRetired100.0100.0

ibm:IntellectualPropertyAndCustomDevelopmentIncome

ibm:IntellectualPropertyAndCustomDevelopmentIncome


Intellectual
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value135147134203116159166222101184275250317348308365445521528365217193188128173199145191207201191247183227303289255253298295262318278297261
Percentage of IntellectualPropertyAndCustomDevelopmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:MultiEmployerDefinedBenefitPlanCosts us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

ibm:MultiEmployerDefinedBenefitPlanCosts

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Multi
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.08.07.07.07.06.010.08.09.09.09.010.010.010.01110.09.0
Percentage of MultiEmployerDefinedBenefitPlanCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:NetIncomeLossOnContingencyIssuableShares

ibm:NetIncomeLossOnContingencyIssuableShares


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value00-2000000.0000-5000000.00-1000000.0
Percentage of NetIncomeLossOnContingencyIssuableShares0.00.0100.00.00.00.0100.00.0100.0

ibm:NetInterestExpenseRatio us-gaap:CreditFacility

ibm:NetInterestExpenseRatio

us-gaap:RevolvingCreditFacility


Net
Period End2021-06-302021-03-31
Value02.2
Percentage of NetInterestExpenseRatio0.0100.0

ibm:NonOperatingFinanceReceivablesNet

ibm:NonOperatingFinanceReceivablesNet


Non
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25-9.0-66.0115-20.062422683635193-880.0-45.0511-89.0-2497.0-347.0-754.01570-2021.03.0-231.01358-1732.0-4.0-277.01615-2026.0329-46.0665-1347.0-52.0-396.0732-1326.03250636-825.057-64.0541-578.0-109.0-175.0457
Percentage of NonOperatingFinanceReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:NonoperatingRetirementRelatedCosts

ibm:NonoperatingRetirementRelatedCosts


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value328343291273264196145136138387389394402403306381378154139163142219204186
Percentage of NonoperatingRetirementRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OtherIncomeAndExpense

ibm:OtherIncomeAndExpense


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value315362253179182-118.0-31.0-747.0-73.01842752804132.0-114.0-76.0-28.0-136.0-8.037253-146.0-133.0-301.0-143.0-1505.0-103.0-201.0-126.0-113.0-62.0-91.0-60.0-47.0-606.0-132.0-58.0-43.012897-202.0-41.0-106.0-95.0-545.0
Percentage of OtherIncomeAndExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:OtherIncomeAndExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value49116-93.0-70.089-370.0447-202.087408.0397-104.0-49.0-64.0-146.0
Percentage of OtherIncomeAndExpense15.632.0-36.8-39.148.9313.6-1441.927.0-119.221.72.9141.8-25.2-2450.056.1192.1

ibm:OtherPostretirementBenefitExpenseChangePercent

ibm:OtherPostretirementBenefitExpenseChangePercent


Other
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-302014-06-302013-09-302013-06-302012-09-302012-06-302011-09-302011-06-30
Value-10.4-14.5-5.9-0.0560.0860.073-0.195-0.183-0.059-0.009-0.048-0.0980.003-0.035-0.083-0.014-0.14-0.21-0.0160.02100.02
Percentage of OtherPostretirementBenefitExpenseChangePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

ibm:PaymentsRelatingToDeferredRevenueExistedPriorToDivestiture us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

ibm:PaymentsRelatingToDeferredRevenueExistedPriorToDivestiture

ibm:SelectStandaloneCloudAndCognitiveSoftwareProducts


Payments
Period End2020-09-302020-06-30
Value5181
Percentage of PaymentsRelatingToDeferredRevenueExistedPriorToDivestiture100.0100.0

ibm:PaymentsToAcquireAndDevelopSoftware

ibm:PaymentsToAcquireAndDevelopSoftware


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value204175168148153153163149156151143149126133133141137142146151144165117
Percentage of PaymentsToAcquireAndDevelopSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:PensionAndOtherPostretirementBenefitExpenseChangePercent

ibm:PensionAndOtherPostretirementBenefitExpenseChangePercent


Pension
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-302014-06-302013-09-302013-06-302012-09-302012-06-302011-09-302011-06-30
Value8.112.828.90.306-0.321-0.3480.1550.0540.3440.395-0.152-0.0790.2060.197-0.326-0.3380.010.2880.570.1980.3330.432
Percentage of PensionAndOtherPostretirementBenefitExpenseChangePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:PensionExpenseChangePercent

ibm:PensionExpenseChangePercent


Pension
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-302014-06-302013-09-302013-06-302012-09-302012-06-302011-09-302011-06-30
Value9.615.232.90.349-0.349-0.3770.190.0750.4060.449-0.166-0.0770.2390.238-0.354-0.3740.0310.3850.7130.240.4520.584
Percentage of PensionExpenseChangePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:PurchasesSalesTreasuryStockUnderEmployeePlansNet

ibm:PurchasesSalesTreasuryStockUnderEmployeePlansNet


Purchases
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-33.0-18.09.072-21.07532-40.0-48.0-14.0-2.0-41.0-45.0-25.0-3.0-44.0-44.0-3.00.0-34.0-22.016-2.0-42.0-35.01113-58.0-51.0-15.05.0-67.0-65.0-23.0-11.0-102.0-72.021491293
Percentage of PurchasesSalesTreasuryStockUnderEmployeePlansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:PurchasesSalesTreasuryStockUnderEmployeePlansNet us-gaap:StatementEquityComponents

us-gaap:Parent


Purchases
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-33.0-18.09.072-21.07532-40.0-48.0-14.0-2.0-41.0-45.0-25.0-3.0-44.0-44.0-3.00.0-34.0-22.016-2.0-42.0-35.01113-58.0-51.0-15.05.0-67.0-65.0-23.0-11.0-102.0-72.021491293
Percentage of PurchasesSalesTreasuryStockUnderEmployeePlansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Purchases
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value112.02.0223.0146.09.02.02.01.010.01.03.00.0141.02.00.0160.0250.017-3.0-5.0-7.011-5.0-3.0-3.0-7.0-12.0-8.0-11.0-11.0-18.0-18.0-14.0-15.0-9.0
Percentage of PurchasesSalesTreasuryStockUnderEmployeePlansNet-33.3-11.122.230.6-14.318.718.8-22.5-4.2-14.3-50.0-24.4-2.2-12.0-0.0-31.8-2.3-66.70.0-47.1-0.0156.2-0.0-40.58.6-45.5-53.8-19.09.820.0-60.010.418.534.8100.010.825.0-85.7-28.6-125.0-9.7

us-gaap:TreasuryStockCommon


Purchases
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-44.0-21.07.050-24.06127-49.0-50.0-16.0-3.0-51.0-47.0-28.0-3.0-58.0-45.0-5.0-1.0-49.0-22.0-9.0-2.0
Percentage of PurchasesSalesTreasuryStockUnderEmployeePlansNet133.3116.777.869.4114.381.384.4122.5104.2114.3150.0124.4104.4112.0100.0131.8102.3166.70.0144.1100.0-56.2100.0

ibm:RevenueFinancialServices us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ibm:RevenueFinancialServices

ibm:OperatingSegmentsExcludingIntersegmentElimination, ibm:GlobalFinancing


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value242240273265299343351406
Percentage of RevenueFinancialServices100.0100.0100.0100.0100.0100.0100.0100.0

ibm:RevenuesExcludingDisposalGroups us-gaap:ConsolidationItems

ibm:RevenuesExcludingDisposalGroups

us-gaap:MaterialReconcilingItems


Revenues
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.021463744-28.059577431624569
Percentage of RevenuesExcludingDisposalGroups100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:SalesTypeAndDirectFinancingLeasesLeaseIncome

ibm:SalesTypeAndDirectFinancingLeasesLeaseIncome


Sales
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value338355145316208184178172
Percentage of SalesTypeAndDirectFinancingLeasesLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

ibm:SegmentReportingInformationPretaxIncomeChangePercent us-gaap:ConsolidationItems

ibm:SegmentReportingInformationPretaxIncomeChangePercent

us-gaap:OperatingSegments


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-06-30
Value5.5111.611.3-0.031-0.590.044-0.289-0.2020.195-0.015-0.0110.14-0.11-0.018-0.005-0.1540.2940.068-0.112-0.225-0.142
Percentage of SegmentReportingInformationPretaxIncomeChangePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:SegmentReportingInformationPretaxIncomeChangePercent us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.753.042.2-0.149-0.4770.018-0.374-0.0140.052
Percentage of SegmentReportingInformationPretaxIncomeChangePercent12.747.5373.5480.680.840.9129.46.926.7

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2.544.10.60.251-0.091-0.0950.012-0.1941.5210.1590.3090.237-0.486-0.071-0.168-0.3250.5340.028-0.18-0.261-0.6770.041-0.218-0.353-0.213-0.064-0.150.337-0.1060.0160.284-0.224
Percentage of SegmentReportingInformationPretaxIncomeChangePercent45.539.55.3-809.715.4-215.9-4.296.0780.0-1060.0-2809.1169.3441.8394.43360.0211.0181.641.2160.7116.00.00.00.00.00.00.00.00.00.00.00.0157.7

us-gaap:OperatingSegments, ibm:GlobalFinancing


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value39.3-14.2-28.9-0.262-0.3270.005-0.108-0.331-0.234-0.1830.2690.2680.2130.08-0.314-0.396-0.195-0.014-0.368-0.238-0.250.0640.1810.035-0.136-0.044-0.0370.0770.1070.0240.0380.042
Percentage of SegmentReportingInformationPretaxIncomeChangePercent714.5-12.7-255.8845.255.411.437.4163.9-120.01220.0-2445.5191.4-193.6-444.46280.0257.1-66.3-20.6328.6105.80.00.00.00.00.00.00.00.00.00.00.0-29.6

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Segment
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value52.3-18.70.064-1.6470.034-0.192-0.4793.1510.063-0.216-0.252-0.182-0.068-0.1130.222-0.151-0.0090.117-0.138
Percentage of SegmentReportingInformationPretaxIncomeChangePercent950.9-165.5-206.5279.277.366.4237.11615.90.00.00.00.00.00.00.00.00.00.097.2

us-gaap:OperatingSegments, ibm:Systems


Segment
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value-28.83.0480.0761.064-0.813-0.823-0.004-0.787-0.3793.7680.0790.5751.497-0.6750.204-0.453-0.575
Percentage of SegmentReportingInformationPretaxIncomeChangePercent-523.6-9832.3-12.92418.2281.3407.4-2.15246.73445.52691.4-71.8-3194.4-29940.0438.3300.0404.5255.6

ibm:SegmentReportingInformationPretaxIncomeMargin us-gaap:ConsolidationItems

ibm:SegmentReportingInformationPretaxIncomeMargin

us-gaap:OperatingSegments


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value14.211.015.40.140.0530.0240.1370.1410.1260.020.1880.1720.1010.0190.1890.160.1210.0250.1890.180.0910.0140.2110.2240.1870.211
Percentage of SegmentReportingInformationPretaxIncomeMargin100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:SegmentReportingInformationPretaxIncomeMargin us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value25.222.828.50.2630.1540.0270.2150.320.3010.0310.3570.3230.278
Percentage of SegmentReportingInformationPretaxIncomeMargin177.5207.3185.1187.9290.6112.5156.9227.0238.9155.0189.9187.8275.2

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value8.49.114.20.0920.0650.0050.1370.0710.0750.0110.1380.090.034-0.0010.1080.0770.0710.0070.1270.1090.0450.0040.1560.1470.13400.1750.1780.1360.0080.20.130.1510.0060.1560.166
Percentage of SegmentReportingInformationPretaxIncomeMargin59.282.792.265.7122.620.8100.050.459.555.073.452.333.7-5.357.148.158.728.067.260.649.528.673.965.60.00.00.00.00.00.00.069.50.00.00.078.7

us-gaap:OperatingSegments, ibm:GlobalFinancing


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value48.940.840.70.3490.379-0.0040.4260.3780.408-0.0040.4250.4120.4510.0190.3490.40.4050.0070.4650.5050.4310.010.5450.5190.492-0.0050.4390.4980.528-0.0040.4870.5180.518-0.0110.4940.511
Percentage of SegmentReportingInformationPretaxIncomeMargin344.4370.9264.3249.3715.1-16.7310.9268.1323.8-20.0226.1239.5446.5100.0184.7250.0334.728.0246.0280.6473.671.4258.3231.70.00.00.00.00.00.00.0277.00.00.00.0242.2

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value5.72.15.90.038-0.0260.0110.070.0330.0380.0090.0820.060.0090.0080.1570.1510.123-0.0030.1770.1920.1410.0060.1940.1540.1610.0080.1660.171
Percentage of SegmentReportingInformationPretaxIncomeMargin40.119.138.327.1-49.145.851.123.430.245.043.634.98.957.174.467.40.00.00.00.00.00.00.082.40.00.00.081.0

us-gaap:OperatingSegments, ibm:Systems


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9.0-0.1-2.50.118-0.1430.1040.0230.032-0.1350.0430.1090.143-0.1230.0850.1740.039-0.1190.0490.0780.106-0.0050.0220.1140.1970.113
Percentage of SegmentReportingInformationPretaxIncomeMargin63.4-0.9-16.284.3-269.8433.316.822.7-107.1215.058.083.1-121.8447.492.124.4-98.3196.041.358.9-5.5157.154.087.90.0

ibm:SegmentReportingInformationRevenueChangePercent us-gaap:ConsolidationItems

ibm:SegmentReportingInformationRevenueChangePercent

us-gaap:OperatingSegments


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-06-30
Value3.51.3-1.2-0.024-0.0190.016-0.023-0.052-0.043-0.019-0.0150.0490.0520.018-0.006-0.051-0.0340.003-0.01-0.035-0.029
Percentage of SegmentReportingInformationRevenueChangePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:SegmentReportingInformationRevenueChangePercent us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.13.69.20.0520.0420.0230.04-0.005-0.028
Percentage of SegmentReportingInformationRevenueChangePercent145.7276.9-766.7-216.7-221.1143.8-173.99.665.1

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value11.52.5-5.1-0.075-0.011-0.0030.0080.001-0.0030.0040.0050.020.0420.01-0.023-0.039-0.036-0.004-0.01-0.026-0.0460.007-0.13-0.119-0.128-0.018-0.03-0.025-0.0090.0040.004-0.011
Percentage of SegmentReportingInformationRevenueChangePercent328.6192.3425.0312.557.9-18.8-34.8-1.97.0-21.1-33.340.880.855.6383.376.5105.9-133.3100.074.30.00.00.00.00.00.00.00.00.00.00.037.9

us-gaap:OperatingSegments, ibm:GlobalFinancing


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.7-20.2-25.6-0.2-0.2760.005-0.112-0.271-0.154-0.1080.040.230.0860.067-0.085-0.239-0.143-0.013-0.26-0.217-0.1450.032-0.049-0.006-0.072-0.0410.0690.120.0860.0080.0530.029
Percentage of SegmentReportingInformationRevenueChangePercent-20.0-1553.82133.3833.31452.631.3487.0521.2358.1568.4-266.7469.4165.4372.21416.7468.6420.6-433.32600.0620.00.00.00.00.00.00.00.00.00.00.00.0-100.0

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.7-1.2-3.1-0.073-0.0560.001-0.053-0.047-0.0530.011-0.106-0.106-0.111-0.014-0.029-0.017-0.0290.002-0.044-0.045
Percentage of SegmentReportingInformationRevenueChangePercent20.0-92.3258.3304.2294.76.2230.490.4123.30.00.00.00.00.00.00.00.00.00.0155.2

us-gaap:OperatingSegments, ibm:Systems


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-6.46.6-10.60.0870.0170.091-0.126-0.205-0.098-0.113-0.0160.2570.0580.1170.123-0.108-0.1730.02-0.205-0.21-0.184
Percentage of SegmentReportingInformationRevenueChangePercent-182.9507.7883.3-362.5-89.5568.8547.8394.2227.9594.7106.7524.5111.5650.0-2050.0211.8508.8666.72050.0600.00.0

ibm:SpinOffRelatedCosts

ibm:SpinOffRelatedCosts


Spin
Period End2021-06-302021-03-31
Value17561
Percentage of SpinOffRelatedCosts100.0100.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value175161-368.0172196144160170106881101001028114382978192958690687386629994831059810594117119104108129109104108899696
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value-38.01.0-3.0-8.0
Percentage of AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value9.06.07.013
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet us-gaap:FinancingReceivablePortfolioSegment

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet

ibm:ClientFinancingReceivablesPortfolioSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value5.0-6.010.05.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

srt:Americas, ibm:ClientFinancingReceivablesPortfolioSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.0-3.05.02.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet80.050.050.040.0

srt:AsiaPacific, ibm:ClientFinancingReceivablesPortfolioSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.01.01.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet0.0-0.010.020.0

us-gaap:EMEA, ibm:ClientFinancingReceivablesPortfolioSegment


Allowance
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.0-3.04.02.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet20.050.040.040.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

ibm:AcquisitionsCompletedIn2021


Business
Period End2021-03-31
Value987
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

ibm:ForwardStartingInterestRateSwap, us-gaap:CashFlowHedging


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0-18.00.00.0-18.00.00.0-7.0-11.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0100.00.00.0100.00.00.0100.0100.0

us-gaap:CurrencySwap, us-gaap:CashFlowHedging


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-06-302014-03-312011-09-30
Value-1.0-24.01.0-4.0-21.0-112.0-27.0-41.0346-13.015-7.01941234.03.0272.03.03.019-1.0-3.00.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0133.30.00.0116.70.00.0585.7-3145.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6430-172.0-152.0180-194.0133-123.0256677.0329-137.080-144.0-262.024550510.0114-232.0-86.0-218.0-496.09211625623.0-155.031-402.05.0200-15.0-263.032167-4.0561
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0-166.70.00.0-1000.00.00.01757.1-2327.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value15252711-50.0300.0-64.0-69.0-138.0667918210241-41.04238883-118.0-233.0115-187.0189-118.0-141.021-83.0-38.08331151765835-86.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:InterestRateContract, us-gaap:FairValueHedging, ibm:CostOfFinancing


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.07.07.03.0-13.0120.0-20.0-33.0-73.03342965220-22.02318540-55.0-112.062-99.0102
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge126.728.025.927.326.040.00.031.247.852.950.053.252.751.048.853.754.847.748.246.648.153.952.954.0

us-gaap:InterestRateContract, us-gaap:FairValueHedging, us-gaap:InterestExpense


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1118208.0-37.0180.0-43.0-36.0-65.03337874920-19.02020343-63.0-120.052-88.086
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge173.372.074.172.774.060.00.067.252.247.150.046.847.848.048.846.347.652.351.853.451.545.247.145.5

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1.641.631.631.631.621.621.621.621.571.571.571.571.51.51.51.51.41.41.41.41.31.31.31.11.11.10.950.950.950.850.850.850.750.750.750.650.650.650.55
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Common
Period End2021-07-272021-04-272020-10-272019-04-302018-04-242017-04-252016-04-262015-04-282014-04-292013-04-30
Value1.641.641.631.621.571.51.41.31.10.95
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312018-01-31
Value49004200420045004200180036003800350038004000350010200
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService

ibm:ExtendedWarranty


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5153545857596664646244656962
Percentage of ContractWithCustomerLiabilityRevenueRecognized1.01.31.31.31.43.31.81.71.80.01.21.62.00.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod


Contract
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-03-31
Value-34.0-45.012-56.0-42.022-25.0-22.0
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfGoodsSoldSalesTypeLease

us-gaap:CostOfGoodsSoldSalesTypeLease


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value103596411776757455
Percentage of CostOfGoodsSoldSalesTypeLease100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-13000000.0-13000000.0-7000000.0-7000000.0-7000000.0-1000000.000-1000000.0-3000000.0-2000000.0-2000000.0-2000000.0-5000000.0-5000000.0-5000000.0-5000000.0-5000000.0-5000000.0-5000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-249000000.0-249000000.0-207000000.0-207000000.0-207000000.0-140000000.0-140000000.0-139000000.0-140000000.0-381000000.0-381000000.0-378000000.0-384000000.0-334000000.0-334000000.0-331000000.0-337000000.0-329000000.0-328000000.0-324000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses1915.41915.42957.12957.12957.114000.00.00.014000.012700.019050.018900.019200.06680.06680.06620.06740.06580.06560.06480.0

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-4000000.0-4000000.0-5000000.0-5000000.0-6000000.0-2000000.0-3000000.0-3000000.0-3000000.0-2000000.0-1000000.0-1000000.0-1000000.0-2000000.0-2000000.0-2000000.0-2000000.0-2000000.0-2000000.0-2000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses30.830.871.471.485.7200.00.00.0300.066.750.050.050.040.040.040.040.040.040.040.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-370000000.0-375000000.0-360000000.0-340000000.0-342000000.0-310000000.0-313000000.0-312000000.0-314000000.0-344000000.0-346000000.0-353000000.0-359000000.0-387000000.0-387000000.0-371000000.0-361000000.0-346000000.0-357000000.0-359000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses2846.22884.65142.94857.14885.731000.00.00.031400.011466.717300.017650.017950.07740.07740.07420.07220.06920.07140.07180.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.01.01.01.00.0-1.0-1.0-1.0-1.0-2.0-2.0-2.0-1.0-2.0-2.0-2.0-1.0-2.0-2.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value4.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.02.03.03.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit400.0400.0400.0400.0400.00.0-400.0-400.0-400.0-400.0-200.0-200.0-200.0-400.0-200.0-200.0-200.0-200.0-150.0-150.0

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-1.0-1.0-1.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0100.050.050.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-4.0-2.0-5.0-5.0-5.0-3.0-7.0-7.0-6.0-21.0-20.0-21.0-21.0-24.0-25.0-24.0-24.0-27.0-28.0-27.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-400.0-200.0-500.0-500.0-500.00.0700.0700.0600.02100.01000.01050.01050.02400.01250.01200.01200.02700.01400.01350.0

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:DefinedBenefitPlanContributionsByEmployer


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6517280942176666288
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value8510665651363533194
Percentage of DefinedBenefitPlanContributionsByEmployer130.861.681.269.162.753.050.067.4

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-20.066162982323494
Percentage of DefinedBenefitPlanContributionsByEmployer-30.838.420.030.937.848.551.532.6

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value451451542542542650650650650675675675676754753753754922922922
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.01.01.01.01.01.01.01.02.01.01.01.01.02.02.02.01.02.02.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets0.20.20.20.20.20.20.20.20.20.30.10.10.10.10.30.30.30.10.20.2

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value291291323311309402391396399325330339348340340327317448468481
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets64.564.559.657.457.061.860.260.961.448.148.950.251.545.145.243.442.048.650.852.2

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1616262626363636363333333339383838414141
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value277277375375375471470469472430430429430478478478479512512511
Percentage of DefinedBenefitPlanInterestCost1731.21731.21442.31442.31442.31308.31305.61302.81311.11303.01303.01300.01303.01225.61257.91257.91260.51248.81248.81246.3

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value8.08.08.08.010.0181212121111111314141414141511
Percentage of DefinedBenefitPlanInterestCost50.050.030.830.838.550.033.333.333.333.333.333.339.435.936.836.836.834.136.626.8

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value112111142137129231202206208200204211215215215206201248257267
Percentage of DefinedBenefitPlanInterestCost700.0693.8546.2526.9496.2641.7561.1572.2577.8606.1618.2639.4651.5551.3565.8542.1528.9604.9626.8651.2

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3232363636393838393637373745454546494949
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value8080444444-35.0-36.0-37.0-34.014014013614363636067-79.0-79.0-85.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost250.0250.0122.2122.2122.2-89.7-94.7-97.4-87.2388.9378.4367.6386.5140.0140.0133.3145.7-161.2-161.2-173.5

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1312141416201515151312121415161616-23.01612
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost40.637.538.938.944.451.339.539.538.536.132.432.437.833.335.635.634.8-46.932.724.5

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value308322307284274272235225223315318325327365271344335288239271
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost962.51006.2852.8788.9761.1697.4618.4592.1571.8875.0859.5878.4883.8811.1602.2764.4728.3587.8487.8553.1

us-gaap:DefinedBenefitPlanOtherCosts us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanOtherCosts

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.0116.09.05.06.0116.05.00.05.04.07.010.0-74.0145.0628.037
Percentage of DefinedBenefitPlanOtherCosts100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0380.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-16.0-17.0-21.0-13.0-8.0-34.0-3.0-3.0-1.0-4.0-2.0-6.00.0-16.0-2.0-3.01.0-3.0-4.0-10.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-7.90.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.02.02.02.02.02.03.03.03.03.03.03.03.03.04.03.04.04.04.04.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.01.01.01.01.01.01.01.01.01.01.01.02.01.01.01.01.01.01.0
Percentage of DefinedBenefitPlanServiceCost50.050.050.050.050.050.033.333.333.333.333.333.333.366.725.033.325.025.025.025.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value959299959591939393104104101104102106101101102108106
Percentage of DefinedBenefitPlanServiceCost4750.04600.04950.04750.04750.04550.03100.03100.03100.03466.73466.73366.73466.73400.02650.03366.72525.02550.02700.02650.0

us-gaap:DefinedContributionPlanCostRecognized us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedContributionPlanCostRecognized

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value151151148154155151140149155152145160168156158162166159161
Percentage of DefinedContributionPlanCostRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value114119111113110109114981069510310810310297101102103108
Percentage of DefinedContributionPlanCostRecognized75.578.875.073.471.072.281.465.868.462.571.067.561.365.461.462.361.464.867.1

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10501052107010561012102110589871143790790773774790792730709731724705677681646665670717800826802870825810822820866859847888885898918920914899924
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging, ibm:CostOfFinancing


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.02.02.04.07.0167.04.08.09.08.08.06.0230.0
Percentage of DerivativeExcludedComponentGainLossRecognizedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.04.07.010.02039209.09.06.09.0116.0-13.08.07.0
Percentage of DerivativeExcludedComponentGainLossRecognizedInEarnings400.0200.0350.0250.0285.7243.8285.7225.0112.566.7112.5137.5100.0-56.50.00.0

us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

ibm:CashFlowHedgingAndNetInvestmentHedging


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.06.09.0142755271317151820128.07.09.0
Percentage of DerivativeExcludedComponentGainLossRecognizedInEarnings500.0300.0450.0350.0385.7343.8385.7325.0212.5166.7225.0250.0200.034.80.00.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value543.071183-146.019-94.016521250-69.0-86.0-222.0-80.0-10.0275-32.0-848.034370426-39.0357-238.0211-54.0-433.015568-52.0308-218.0-387.0-267.0226-12.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:InterestRateContract, us-gaap:FairValueHedging, ibm:CostOfFinancing


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.0-1.00.03.018-7.03.0233677-27.0-32.0-80.0-36.0-3.042-1.0-167.0-20.077137-37.0125-78.0
Percentage of DerivativeGainLossOnDerivativeNet0.0-33.30.01.6-12.3-36.8-3.213.917.0154.039.137.236.045.030.015.33.119.7-58.820.832.294.935.032.8

us-gaap:InterestRateContract, us-gaap:FairValueHedging, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.0-1.00.08.049-7.09.0483970-26.0-28.0-72.0-33.0-3.036-1.0-183.0-21.088147-27.0112-65.0
Percentage of DerivativeGainLossOnDerivativeNet0.0-33.30.04.4-33.6-36.8-9.629.118.4140.037.732.632.441.230.013.13.121.6-61.823.834.569.231.427.3

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:EquityContract, us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedge, us-gaap:SellingGeneralAndAdministrativeExpenses


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value834963150-201.0619.026119-154.04012-14.047311146254521
Percentage of DerivativeGainLossOnDerivativeNet153.71633.388.782.0137.7321.1-9.615.856.1-308.0-58.0-14.06.3-58.8-310.04.0-143.8-2.9132.45.7

us-gaap:ForeignExchangeContract, us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedge, ibm:OtherIncomeExpense


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-30.0-44.08.022-11.0-26.0-114.0691855-55.0-38.0-55.0-58.0-35.0185-76.0-524.030184
Percentage of DerivativeGainLossOnDerivativeNet-55.6-1466.711.312.07.5-136.8121.341.88.5110.079.744.224.872.5350.067.3237.561.888.249.7

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss


Disposal
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15.0-8.0-20.0-22.025-87.0-25.0557-55.0276218814
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:ConsolidationItems

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:MaterialReconcilingItems


Disposal
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01.04.013183248363343475432457446
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1467145714531450144014381436143513971416143114371382138713951403132113291337134012501261127012781088108910901096990-7091.010371048948957968978870880893905795808818833718
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1467145714531450144014381436143513971416143114371382138713951403132113291337134012501261127012781088108910901096990-7091.010371048948957968978870880893905795808818833718
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1467145714531450144014381436143513971416143114371382138713951403132113291337134012501261127012781088108910901096990-7091.010371048948957968978870880893905795808818833718
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value69-134.0101102-403.0185-379.0129-102.0-96.0-55.0-444.010062328447100
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6952-101.050524551502925282924353.04138484847424332384533514841565256506164566069575961-414.0575562
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount dei:LegalEntity, us-gaap:DebtInstrument

us-gaap:ExtinguishmentOfDebtAmount

ibm:IbmCreditLlc, ibm:FixedRateDebtDue2021To2023


Extinguishment
Period End2021-03-31
Value1750
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument

ibm:CreditAgreement364Days2020


Extinguishment
Period End2021-06-22
Value2500
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value01000000.01000000.00
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.0100.0100.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

srt:AsiaPacific, ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1000000.0000
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.00.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value3.09.03.010.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

srt:Americas, ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.02.01.010.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs66.722.233.3100.0

srt:AsiaPacific, ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.06.00.01.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs33.366.70.010.0

us-gaap:EMEA, ibm:ClientFinancingReceivablesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.01.02.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.011.166.70.0

us-gaap:FinancingReceivableSignificantSales

us-gaap:FinancingReceivableSignificantSales


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value10969958997110.0
Percentage of FinancingReceivableSignificantSales100.0100.0100.0100.00.0

us-gaap:FinancingReceivableSignificantSales us-gaap:CounterpartyName, us-gaap:FinancingReceivablePortfolioSegment

ibm:ThirdPartyInvestor, us-gaap:CommercialLoan


Financing
Period End2021-06-302021-03-31
Value14541167
Percentage of FinancingReceivableSignificantSales132.7117.3

us-gaap:FinancingReceivableSignificantSales us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinanceLeasesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-09-302020-06-30
Value390342435417
Percentage of FinancingReceivableSignificantSales35.634.448.458.6

us-gaap:LoansReceivable


Financing
Period End2021-06-302021-03-312020-09-302020-06-30
Value706653464294
Percentage of FinancingReceivableSignificantSales64.465.651.641.4

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value28-137.014613986-92.0
Percentage of FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease

us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease


Finite
Period End2021-06-302021-03-312019-12-31
Value4.0-261.0-379.0
Percentage of FiniteLivedIntangibleAssetsPeriodIncreaseDecrease100.0100.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:IncomeStatementLocation

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

ibm:CostOfFinancing


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.02.03.02.03.05.0-11.0-18.0-18.0-62.0151823
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ibm:CostOfServices


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.01410.0-1.010.016222010.01.01.09.019
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0700.0333.3-50.0333.3320.0-200.0-111.1-55.6-1.66.750.082.6

ibm:OtherIncomeExpense


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-79.0-160.010192-101.0343-561.0271-69.015-63.0-435.049
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0-8000.03366.74600.0-3366.76860.05100.0-1505.6383.3-24.2-420.0-2416.7213.0

us-gaap:CostOfSales


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-10.0-22.0-4.09.09.01110.01118238.0-6.0-17.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0-1100.0-133.3450.0300.0220.0-90.9-61.1-100.0-37.153.3-33.3-73.9

us-gaap:InterestExpense


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.05.08.07.010.03.0-35.0-39.0-20.047-21.0-17.0-15.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0250.0266.7350.0333.360.0318.2216.7111.1-75.8-140.0-94.4-65.2

us-gaap:SellingGeneralAndAdministrativeExpenses


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value673458157-191.0682038141-140.04710.0-33.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.01700.01933.37850.0-6366.71360.0-181.8-211.1-783.3225.8313.355.6-143.5

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312020-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value74610.08.0191536239331067
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Goodwill
Period End2021-03-312020-03-31
Value24510.0
Percentage of GoodwillAcquiredDuringPeriod32.8100.0

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Goodwill
Period End2021-03-31
Value501
Percentage of GoodwillAcquiredDuringPeriod67.2

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-142.0384-712.0-508.0-467.0727378-434.09647-262.049-284.0-56.01326126097-290.0-28.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-113.0249-489.0-333.0-291.0438215-263.05831
Percentage of GoodwillForeignCurrencyTranslationGainLoss79.664.868.765.662.360.256.960.660.466.0

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-18.061-118.0-92.0-57.010281-83.010.0-3.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss12.715.916.618.112.214.021.419.110.4-6.4

us-gaap:OperatingSegments, ibm:GlobalTechnologyServices


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-8.070-91.0-74.0-106.016775-81.02416
Percentage of GoodwillForeignCurrencyTranslationGainLoss5.618.212.814.622.723.019.818.725.034.0

us-gaap:OperatingSegments, ibm:Systems


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-4.04.0-14.0-9.0-11.0198.0-8.04.03.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss2.81.02.01.82.42.62.11.84.26.4

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-12.06.012230.01.00.01.0-4.00.00.0-2.0-2.0-37.03.0-18.06.01.04.0-2.00.00.0-1.0-1.0-8.0130.0482.0
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ibm:CloudAndCognitiveSoftware


Goodwill
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.06.0121330.00.00.0
Percentage of GoodwillPurchaseAccountingAdjustments-0.0100.0100.0578.30.00.00.0

us-gaap:OperatingSegments, ibm:GlobalBusinessServices


Goodwill
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-31
Value-11.00.00.00.01.00.0
Percentage of GoodwillPurchaseAccountingAdjustments91.70.00.00.0100.00.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-1000000.0-1000000.0-1000000.0-1000000.01000000.0-1000000.0-1000000.0-2000000.0-2000000.02000000.01000000.04000000.0-2000000.00-1000000.0-3000000.0-5000000.0-1000000.00-3000000.0
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value000000.0100000000000-0.010000-0.01-0.08-0.09-0.04-3.46-0.11-0.14-0.03-0.09
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare0.00.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value00000000000000000-0.010000-0.01-0.08-0.09-0.04-3.44-0.11-0.14-0.03-0.09
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:IncreaseDecreaseInDerivativeLiabilities

us-gaap:CurrencySwap, us-gaap:CashFlowHedging


Increase
Period End2020-09-302020-06-302020-03-31
Value0.00.0-5700.0
Percentage of IncreaseDecreaseInDerivativeLiabilities0.00.0100.0

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging


Increase
Period End2020-09-302020-06-302020-03-31
Value7004009400
Percentage of IncreaseDecreaseInDerivativeLiabilities0.00.0-164.9

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncreaseDecreaseInOperatingCapital


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value472-2066.0-764.0-444.0-1162.0-99.0375-1785.077-295.01322-1658.0473179-964.0-159.0287-2302.0205494165912160116214771400244104807-43.0649692147314940-1033.0
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-06-302016-03-312014-12-312014-09-302013-12-312013-09-30
Value1.02.0-1.01.00.05.00.02.01.02.00.00.00.03.01.00.00.01.01.00.03.02.0
Percentage of InterestCostsCapitalized100.0100.0100.0100.00.0100.00.0100.0100.0100.00.00.00.0100.0100.00.00.0100.0100.00.0100.0100.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value387388-874.0432442449479574513391381384368349331334320293301307314286262250251245253255241281259244
Percentage of InterestCostsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value408463235411310276269280
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationCase

us-gaap:LitigationSettlementAmountAwardedToOtherParty

ibm:CisgilVsIbmUk


Litigation
Period End2021-02-28
Value20
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0

us-gaap:LossContingencyDamagesSoughtValue us-gaap:LitigationCase

us-gaap:LossContingencyDamagesSoughtValue

ibm:IbmVsGlobalFoundriesU.s.Inc


Loss
Period End2021-06-08
Value1500
Percentage of LossContingencyDamagesSoughtValue100.0

us-gaap:LossContingencyDamagesSoughtValue us-gaap:LossContingenciesByNatureOfContingency

ibm:BrazilTaxMatters


Loss
Period End2021-06-302021-03-31
Value0.0700
Percentage of LossContingencyDamagesSoughtValue0.00.0

us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:MinorityInterestPeriodIncreaseDecrease


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0-6.0-11.08.0-15.04.08.05.0-8.00.06.03.0-7.01.05.04.0-25.0-4.0-6.08.0-14.05.03.05.03.05.04.03.0-4.06.03.05.0-1.0-2.0359.0-15.0113.0-21.0-22.06.03.01.0-2.0
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0-6.0-11.08.0-15.04.08.05.0-8.00.06.03.0-7.01.05.04.0-25.0-4.0-6.08.0-14.05.03.05.03.05.04.03.0-4.06.03.05.0-1.0-2.0359.0-15.0113.0-21.0-22.06.03.01.0-2.0
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value132595616981362117636691673249915931953269224021675-1053.027262332175345062854
Percentage of NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value132595616981362117436691673250015931949269224011675-1053.027262331175345062854
Percentage of NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0-1000000.0-1000000.0-1000000.0-1000000.01000000.0-1000000.0-1000000.0-2000000.0-2000000.02000000.01000000.04000000.0-2000000.00-1000000.0-3000000.0-5000000.0-1000000.0
Percentage of NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted

us-gaap:NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0-1000000.0-1000000.0-1000000.0-1000000.01000000.0-1000000.0-1000000.0-2000000.0-2000000.02000000.01000000.04000000.0-2000000.00-1000000.0-3000000.0-5000000.0-1000000.0
Percentage of NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-34.0187-32.0-36.0-180.0109-439.0-10.0-181.033-46.0-149.061140-70.0-96.0-33.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-177.0907-983.0-535.0485-401.0435-148.01917786627-204.0-94.0-507.0-724.0-282.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent520.6485.03071.91486.1-269.4-367.9-99.11480.0-10.5536.4-187.0-420.8-334.4-67.1724.3754.2854.5

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

ibm:CashFlowHedgingAndNetInvestmentHedging


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-211.01094-1015.0-571.0304-293.0-4.0-154.0-333.017440477-143.047-577.0-820.0-315.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent620.6585.03171.91586.1-168.9-268.80.91540.0184.0527.3-87.0-320.1-234.433.6824.3854.2954.5

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4751656871808290
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.0-1.01.00.00.03.0-2.0-1.00.00.00.0-3.00.0-2.03.00.0-3.0-2.01.01.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent0.00.0100.0100.00.00.0100.0100.0100.00.00.00.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.01.00.04.01810.00.01.00.00.00.00.00.00.0-1.0-5.00.00.00.0-1.0-49.00.00.0-33.00.00.00.0-60.00.031-1.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax0.00.0100.00.0100.0100.00.00.0100.00.00.00.00.00.00.0100.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-661000000.0-689000000.0-607000000.0-637000000.0-582000000.0-185000000.0-461000000.0-576000000.0-458000000.02060000000.0-719000000.0-810000000.0-735000000.0-1302000000.0-713000000.0-738000000.0-748000000.01810000000.0-683000000.0-754000000.0-522000000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value28549-439.04.0-919.0294-509.05.0171-195.0-22.0-347.0-167.0-61.089-38.016189-99.0-248.0239
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value1.03.00.00.01.00.0-3.0-3.0-3.0-18.0-18.0-19.0-19.0-22.0-22.0-22.0-21.0-26.0-28.0-27.0-25.0-24.0-25.0-25.0-26.0-26.0-29.0-29.0-29.0-200.028-28.0-30.0-260.037-37.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlements


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value161721138.0343.03.01.04.02.06.00.0162.03.0-1.0-35.04.010.05.014113.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-30
Value0.00.0-1.00.0-4.0-181.00.00.0-1.00.00.00.00.00.00.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.00.0-4.80.0-50.0-4525.00.00.00.00.00.00.0-0.00.00.033.3

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2.0200.0578.0-233.00.0116-4.0-2600.0-1.0822.05761.04461-2433.01178-147.0-2977.0-2.093
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax12.5117.60.0438.5100.0-685.30.03866.7-400.0-65000.0-50.01366.70.03600.050.01466.7-6100.06951.4275.0780.0-2940.0-21264.3-18.23100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-34.0187-32.0-36.0-180.0109-439.0-6.0-352.0-2.0-46.0-149.061140-70.0-96.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax-212.51100.0-152.4-276.9-2250.0320.6-14633.3-200.0-35200.0-50.0-2300.0-2483.30.0875.0-3500.0-3200.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.00.0-1.01.00.00.03.0-2.0-1.00.00.00.0-2.0-1.0-1.04.0-1.0-2.0-1.01.0-36.031-102.0-15.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.00.0-4.87.70.00.0100.0-66.7-100.00.00.00.00.0-6.2-50.0133.3100.05.7-25.010.0-720.0221.4-927.3-500.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlements


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1112149.06.0232.03.01.04.01.04.00.0121.02.0-1.0-27.03.06.03.0127.02.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1114-1.0353.0-220.00.091-2.0-2157.01.0640.04232.03040-1556.09.057-91.0-1922.06.065-46.0-6380.01.010.02131916813812-5205.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0116.7-7.1388.950.0-956.50.03033.3-200.0-53925.0100.01600.00.03525.0200.01500.0-4000.05763.0300.0950.0-3033.3-16016.785.73250.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-30
Value0.00.00.00.0-3.0-150.00.00.0-1.00.00.00.00.00.00.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.00.00.00.0-50.0-3750.00.00.00.00.00.00.0-0.00.00.050.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value11140.0356.0-158.00.092-2.0-2001.0-1.0591.04111.02741-1529.06.051-94.0-1934.0-1.062
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0116.70.0388.9100.0-687.00.03066.7-200.0-50025.0-100.01475.00.03425.0100.01350.0-4100.05663.0200.0850.0-3133.3-16116.7-14.33100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-26.0140-24.0-26.0-135.079-329.0-4.0-268.02.0-35.0-111.05188-50.0-71.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-236.41166.7-171.4-288.9-2250.0343.5-16450.0-133.3-26800.050.0-3500.0-2775.00.0733.3-5000.0-3550.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.0-1.01.00.00.02.0-1.0-1.00.00.00.0-2.0-1.00.02.0-1.0-1.0-1.01.0-22.019-63.0-10.020-19.00.01.00.0-2.02.01.0-1.0-4.02.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.00.0-7.111.10.00.0100.0-33.3-100.00.00.00.00.0-8.30.0100.0100.03.7-33.316.7-733.3158.3-900.0-500.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value57475-217.0149-1174.0253-945.0128-99.0-2394.0-14.0-616.0-65.0485235202284-1698.0-18.0-83.0218-1933.0-1073.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax518.23958.3-1550.01655.6-19566.71100.0-47250.04266.7-9900.0-59850.0-1400.0-15400.00.04041.723500.010100.0-28400.06288.9-600.0-1383.37266.7-16108.3-15328.6

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value72321-192.0139-1041.0395-619.042172-239.0-43.0-505.0-115.0-25.0284240270-443.0-48.0-154.0505-128.0-1044.0169-718.0-984.0-1397.0358-51.0-421.0468-959.0-489.0-206.0557
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax654.52675.0-1371.41544.4-17350.01717.4-30950.01400.017200.0-5975.0-4300.0-12625.00.0-208.328400.012000.0-27000.01640.7-1600.0-2566.716833.3-1066.7-14914.38450.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

ibm:AccumulatedDefinedBenefitPlansAdjustmentCurtailmentsAndSettlements


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value5.05.06.04.03.0111.00.00.00.00.02.00.04.01.01.00.0-8.01.04.02.03.04.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-30
Value0.00.00.00.0-1.0-31.00.00.00.00.00.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.00.00.00.0-33.30.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-10.06.00.0222.0-75.00.025-1.0-598.0-1.0231.01650.01720-904.05.027-53.0-1044.0-1.031
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-200.0120.00.0550.066.7-681.80.00.00.00.00.01150.00.04125.00.01700.00.011300.0500.0675.0-2650.0-34800.0-25.03100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-9.047-8.0-9.0-45.029-110.0-2.0-84.0-4.0-11.0-38.09.053-20.0-24.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-180.0940.0-133.3-225.0-1500.0263.6-11000.00.00.00.00.0-1900.00.01325.0-2000.0-2400.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.00.00.00.00.00.01.00.00.00.00.00.0-1.01.0-1.01.00.00.00.00.0-14.012-39.0-6.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.00.00.00.00.00.0100.00.00.00.00.00.00.025.0-100.0100.00.0-0.00.00.0-700.0400.0-975.0-600.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value661689607637582185461576458-2060.07198107351302713738748-1810.0683754522-2162.0807894
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0<