MMM


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

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

us-gaap:CostOfRevenue
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:InventoryRawMaterialsAndSupplies

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:ShareBasedCompensation

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:LossContingenciesByNatureOfContingency
mmm:AmountOfPfoaAndPfosInDrinkingWaterAllowedPerEpaLifetimeHealthAdvisoryLevels
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
mmm:DefinedBenefitPlanNonoperatingExpenseBenefit
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

mmm:GainLossOnSaleOfBusinessIncludingCashReceived
us-gaap:StatementBusinessSegments
mmm:IncreaseDecreaseInNetSalesDueToAdditionalActionsImpactingBusinessSegmentReporting
us-gaap:ConsolidationItems
mmm:IncreaseDecreaseInNetSalesDueToContinuedAlignmentOfCustomerAccountActivity
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
mmm:IncreaseDecreaseInOperatingIncomeDueToAdditionalActionsImpactingBusinessSegmentReporting
us-gaap:ConsolidationItems
mmm:IncreaseDecreaseInOperatingIncomeDueToContinuedAlignmentOfCustomerAccountActivity
us-gaap:StatementBusinessSegments
us-gaap:LitigationCase
mmm:NumberOfPutativeClassActionAndOtherLawsuits
us-gaap:LitigationCase, us-gaap:StatementGeographical
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

mmm:PaymentOfPensionAndOtherPostretirementBenefitContributions

mmm:ResearchDevelopmentAndRelatedExpenses
us-gaap:AwardType
us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:HedgingDesignation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndOtherIncome
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LitigationSettlementAmountAwardedToOtherParty
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
us-gaap:LitigationCase, us-gaap:StatementGeographical
us-gaap:LossContingencyClaimsDismissedNumber
us-gaap:LitigationCase
us-gaap:LossContingencyNewClaimsFiledNumber
us-gaap:LitigationCase, us-gaap:StatementGeographical
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LitigationCase
us-gaap:LossContingencyNumberOfPlaintiffs
us-gaap:LitigationCase, us-gaap:StatementGeographical
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:NumberOfReportableSegments
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:IncomeStatementLocation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash

us-gaap:ProceedsFromDebtMaturingInMoreThanThreeMonths

us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfTreasuryStock
us-gaap:AwardType
us-gaap:ProceedsFromStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:TreasuryStockReissuedAtLowerThanRepurchasePrice
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

dei:EntityPublicFloat

mmm:ShortTermBorrowingsAndCurrentPortionOfLongTermDebt

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:ShortTermDebtType
us-gaap:CommercialPaper

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType, mmm:LongTermUSPensionSecurities
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationInventoryCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:HedgedLiabilityFairValueHedge
us-gaap:BalanceSheetLocation

us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease
us-gaap:BalanceSheetLocation

us-gaap:IndefiniteLivedTradeNames
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:InsuranceSettlementsReceivable

us-gaap:InventoryWorkInProcess
us-gaap:LitigationCase
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LitigationCase, us-gaap:StatementGeographical
us-gaap:LossContingencyPendingClaimsNumber
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:MarketableSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:MarketableSecuritiesCurrent
us-gaap:FinancialInstrument

us-gaap:MarketableSecuritiesNoncurrent
us-gaap:FinancialInstrument

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:PrepaidExpenseCurrent
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonValue

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockSharesIssued ███▁██████████████████████████████████944944944368944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944NANANANANANANA
us-gaap:CommonStockSharesOutstanding ▄▄575575NANANA576NANANA594NANANA596NANANA609NANANA635NANANA663NANANA687NANANA694NANANA711NANANA710NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 581NA583586588NA598604612NA612612612NA618620621NA631643649NA657664674NA691699702NA703702706NA715726726NA725725723NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 576NA576577577NA585591596NA597598598NA604606607NA620631636NA645652661NA679688691NA693694696NA707713711NA714714711NANANANA
us-gaap:EarningsPerShareBasic ▅▄▇▅▃▆▇█▂▁▆▇▅▄▅▅▅▄▅▅▄▄▅▄▄▄▄▄▄▃▄▄▄▃▃▄▃▃▃▃▃▃▃▂▁2.241.682.751.951.542.322.643.141.010.882.392.652.211.932.22.132.11.692.092.061.881.852.021.941.831.651.811.741.631.431.681.681.611.361.541.631.521.31.551.571.311.321.361.120.75
us-gaap:EarningsPerShareDiluted ▅▄▇▅▃▆▇█▂▁▆▇▅▄▅▅▅▄▅▅▄▄▅▅▄▄▄▄▄▃▄▄▄▃▃▄▃▃▃▃▃▃▃▂▁2.221.662.721.921.512.272.583.070.980.852.332.582.161.882.152.082.051.662.052.021.851.811.981.911.791.621.781.711.611.411.651.661.591.351.521.61.491.281.531.541.291.31.351.120.74
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇▇█▇▇▇██▇█▇▇▆▇▆▆▆▇▇▆▇▇▇▇▆▇▇▆▆▆▆▆▅▆▆▆▄▅▄▄▃▃▂▁807581117991817178637945815283908278799081727810768573297709766274097298771276867578771981378134783175697916775276347387749775347486708975317680731167096874673163486122619357195089
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments mmm:Electronics,mmm:TransportationAndElectronicsSegment863NANANA861NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments mmm:MedicalSolutions,mmm:HealthCareSegment1153NANANA773NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments mmm:PersonalSafety,mmm:SafetyAndIndustrialSegment990NANANA924NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments mmm:ConsumerSegment1256NA132413031123NA123513091145NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments mmm:HealthCareSegment2103NA172118311540NA144517301535NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments mmm:SafetyAndIndustrialSegment2935NA284929612963NA30213253NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments mmm:TransportationAndElectronicsSegment2238NA250324522355NA26192527NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical srt:AsiaPacific2345NA249024152478NA262125042676NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical us-gaap:EMEA1590NA146515931624NA152717581792NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:Americas,mmm:ConsumerSegment874NANANA803NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:Americas,mmm:HealthCareSegment1281NANANA922NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:Americas,mmm:SafetyAndIndustrialSegment1519NANANA1486NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:AsiaPacific,mmm:TransportationAndElectronicsSegment1201NA139012691257NA14641303NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▇▇▇█▇▇▇██▇█▇▇▆▇▆▆▆▇▇▆▇▇▇▇▆▇▇▆▆▆▆▆▅▆▆▆▄▅▄▄▃▃▂▁807581117991817178637945815283908278799081727810768573297709766274097298771276867578771981378134783175697916775276347387749775347486708975317680731167096874673163486122619357195089
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us-gaap:CostOfRevenue ▇█▇██▇▇██▇▇▇▆▅▆▆▅▆▆▆▆▇▇▇▇▆▇▇▆▆▆▆▆▆▇▇▆▅▅▄▃▃▃▂▁410943254188431343104060415942274236408040454007386937163847379936783827387738583821402742054184403139764148401339693991393538703889382440274040380235753583343532383189317129772772
 us-gaap:CostOfGoodsAndServicesSold us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents us-gaap:ForeignExchangeContract,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent18NA22217NA-37-27-34NA-2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses 6412NA598064696727NA613659897271NA613156265911NA580557965621NA583658465848605762366278611559906177605059885944581958065852NA595060255733NA529851354903NANANANA
us-gaap:SellingGeneralAndAdministrativeExpense 1768NA145516861948NA154718002573NA162316071571NA153115601493NA153015501564159415971646163215761609161015891535148715281552NA153415811533NA136113501323NANANANA
us-gaap:OperatingIncomeLoss 1663NA201117021136NA201624011007NA204121841774NA190418661788NA187618401730166219011856171615791739170216461443167817281634NA158116551578NA157615961445NANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mmm:ConsumerSegment269NA308268219NA291279220NA311NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mmm:HealthCareSegment456NA459483432NA446470458NA467NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mmm:TransportationAndElectronicsSegment484NA631592522NA726669NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense 123NA109111104NA858882NA575445NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax -444NA-20212377NA-112-496167NA44-67292NA1737138NA-47223-193-486-60312720-112284-279-398-140412-335134-236-490NANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest-3NA-21NANA-3-4-1NA-1NA3NA1NA-1NA-1-100-10412-28-2-19-38-461111-21-1017NANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 1567NA196614461088NA19652350965NA199721421737NA186218351746NA184518121703163818801820168815581716167116171409164416951603NA154316141545NA15361554NANANANANA
us-gaap:NonoperatingIncomeExpense -96NA-45-256-48NA-51-51-42NA-44-42-37NA-42-31-42NA-31-28-27-24-21-36-28-21-23-31-29-34-34-33-31NA-38-41-33NA-40-42-42NANANANA
us-gaap:IncomeTaxExpenseBenefit 273NA378315195NA419488359NA564557411NA531542468NA547509502459569537463442471458470405464509462NA440437442NA411414448NANANANA
us-gaap:ProfitLoss ▅▃▇▄▃▅▆█▁▁▆▇▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▄▄▄▄▄▃▄▄▄12949701588113189313491546186260652514331585132611561331129312781039129813031201117913111283122511161245121311471004118011861141974110311771103NA11251140955NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings1292NA15831127891NA15431857602NA142915831323NA132912911275NA12961300119911791303126712071103123011971129991116111671125NA108811601081NA11061121930NANANANA
us-gaap:ComprehensiveIncomeNetOfTax 1017NA146714071058NA15941641825NA150515431619NA136713681373NA106213881167-10028361442127920001586103287878916259401365NA71014361387NA1756840910NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest -1NA352NANA13NA326NA322NA1220-22030-1013-3-20-323030-5NA322716NA373125NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest 1016NA147014121060NA15941642828NA150815451625NA137013701375NA106313901169-10028341462130919901599102985875716559701360NA74214631403NA1793871935NANANANA
us-gaap:NetIncomeLoss ▅▃▇▄▃▅▆█▁▁▆▇▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▄▃▄▄▄▃▄▄▄▃▄▄▃▃▃▂▁129296915831127891134715431857602523142915831323115513291291127510381296130011991179130312671207110312301197112999111611167112595410881160108192811061121930935957783518
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest 2NA542NA354NA423NA223NA2320816181315161813191916NA151722NA191925NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █▇▆▅▅▄▄▄▅▄▃▃▂▂▃▂▂▂▂▂▁▁▂▃▂▂▃▃▃▃▃▂▂▂▂▂▁▁4621244659425503896939140365003727536778385753798735237339573329232906340513323532982327183325831388306433126932776339703354733550336043413034029338763447933339320153161632115322823112930156NANANA27250NANANA
us-gaap:Liabilities ██▇▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▂▁▂▂▂▁▂▁▁▁▁3600334533317862882729383266522696426350275362636523035223132225222563220032129821208209712103418258166911812716570161241562315602153521581115501158361633816466153961575414703145401424214139NANANA13948NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▆▅▅▄▄▄▅▄▃▃▂▂▃▂▂▂▂▂▁▁▂▃▂▂▃▃▃▃▃▂▂▂▂▂▁▁4621244659425503896939140365003727536778385753798735237339573329232906340513323532982327183325831388306433126932776339703354733550336043413034029338763447933339320153161632115322823112930156NANANA27250NANANA
us-gaap:StockholdersEquity ▁▁▂▁▁▁▁▂▂▃▃▃▂▁▃▃▃▃▃▄▅▄▆▇▇██████▇▆▆▇▇▇▆10147100631070210083970397961024810365109771156312146115911098910298120021189411733117081218613093139171310916173173541744817502177961787618082175751764416406161821542016968173301649415663NANANA12764NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▅▃█▄▄▄▄▄▅▄▄▃▂▂▂▂▁▁▂▄▃▂▃▃▃▃▃▄▄▄▅▄▃▂▄▄▃▂1509012971180201405114374137091441913890148181427713656126411190111726121791143610874109861160813431125181176512681131931276212733132821398313855136301449414088128531224013669135371264512215NANANA10795NANANA
us-gaap:AccountsReceivableNetCurrent ▆▆▇█▇▇██▇▆▇▆▅▄▅▅▄▃▅▅▄▃▅▆▅▄▅▅▄▃▄▄▄▂▄▄▃▁48214791502053745173502053295383525249115156491947224392474346674485415446104578440842384711475945984253459445424418406144094364432338674259438542093615NANANA3250NANANA
us-gaap:InventoryNet ▆▆▅▇█▇▇▆▇▅▅▄▃▂▃▃▃▃▄▅▄▄▅▆▅▅▅▅▄▄▄▄▃▂▃▄▃▁42174134400743004538436644374238429540343975383836123385361136133627351837093847370437063945409339723864394839193819383738423656356134163604371734893155NANANA2639NANANA
us-gaap:InventoryFinishedGoods ▆▆▅▆█▇▇▆▆▅▆▅▄▂▃▃▃▃▄▄▃▃▅▅▄▄▄▄▄▄▄▃▂▂▃▃▃▁20212003189019802221212021251979202519151962186317641629167216761699165517451765171317231850189818461790179917921775175417831688160915361652170316391476NANANA1255NANANA
us-gaap:InventoryRawMaterialsAndSupplies █▇▅██▇▇█▇▆▄▄▂▁▃▂▂▅▆▇▅▆▇█▇▇▇▆▅▆▆▅▄▄▅▆▄▁982937886972984954962967957901849830770717782772771855903950875902928975956935936905865897896873840819864907817729NANANA569NANANA
us-gaap:OtherAssetsCurrent ▅▄▂▂▂▁▂▂▁▁▅▅▆▆▆▆▆▇███▆▇▇▇▆▇▆▆▆▆▆▆▆▅▄▄▅971891515440473349385370344266110810901253127111591291124913981531152115971298132913321378127914291270124212011225116512381277944911915967NANANA1122NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▇▇▆▆▇▇▆▆▅▅▆▅▅▄▄▄▄▄▄▅▅▄▄▄▄▄▃▂▂▂▂▂▂▁2600026124255082556525124248732476524758251742491424659242922394623499241422379323564230982294022851224732284123095234472324123068228692241722468225252204221443214842116621038211882078520253NANANA19440NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ████▇▇▇▇▇▇▆▆▅▅▆▅▅▄▄▄▃▃▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁1683516791166171656716295161351613516113163101604816001157261539514983154711518914950145831447014462141871435214596147621461114416144211408814150141471410313737137291350013529135641328212974NANANA12440NANANA
us-gaap:PropertyPlantAndEquipmentNet ▇█▆▇▆▆▆▆▆▆▆▅▅▅▆▆▆▅▅▅▄▅▅▆▆▆▅▅▅▅▃▂▃▂▂▂▂▁91659333889189988829873886308645886488668658856685518516867186048614851584708389828684898499868586308652844883298318837879397706775576667509762475037279NANANA7000NANANA
us-gaap:Goodwill ██▅▅▅▄▄▄▅▅▄▃▄▃▄▄▄▄▄▁▁▁▁▂▂▂▂▁▁▂▁▁▁▁▁▁▁▁133121344410410105741061110051101231010710570105139221910592589166943093569375924993546985693470507213742273577345734272317247738572167069709070477140723371216820NANANA5832NANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments mmm:HealthCareSegment██▄▄▂▁▁6692673937033754222316541662NANA1682NANANA1609NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments mmm:SafetyAndIndustrialSegment▁▄▄█4557462146164707NA4716NANANA5077NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments mmm:TransportationAndElectronicsSegment▁▅▅█1810183018301849NA1857NANANA1886NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ██▃▃▃▃▃▃▃▃▂▂▂▂▂▃▃▃▃▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂61916379284729643047265727262787288529362175220122692320242224772551260126321355139614351516160316311688174517861840192518471842186519161952202520041820NANANA1342NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ██▃▃▃▂▂▂▃▃▁▂▂▂▂▂▂▂▃▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂55595741221223232408201620832144223322881529156116361691178418401911196625161239128113121391147415021559161616601715179817241721174017931826189518761695NANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇█▇▆▆▅▅▅▆▅▄▄▃▁▁▁▄▂▂▂▅▇▁▂▂▁▂▂▃▄▅▅▆█▃▄▄▄160516741548150314821345137713491438139512661207110298195298512121053100910551338155493410781063980106610831137121713941406148616561153120812581262NANANA1275NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ██▆▅▄▅▅▇█▅▄▂▃▃▃▅▅▄▄▁▁▃▅▄▅▅▅▃▂▃▄▂▂▂▃▃▂▃91349222782172657125724473368902895976876598569759956219640072547178711870325095508259987705704074507498743963355937620065955707540854416165620359006089NANANA4897NANANA
us-gaap:AccountsPayableCurrent ▇▇▆▆██▅▄▄▄▃▃▂▃▁▂▁▂▁▂▃▃▃▄▄▃▂▄▃▃▃▃▃▂▂▄▃▂22072228207921302309226620291871187419451824178217011798162116501581169416001714180118071796184418661799171819201820176218051792177916431689185118151662NANANA1453NANANA
us-gaap:AccruedIncomeTaxesCurrent ▁▂▁▃▂▃▂▄▄▄▅▆▆▄▅▂█▄▁▄▆▆▅▆▆▆▅▆▅▅▄▆▆▅▆▅▅▅136194137223183243186293282310374432433299364169590332105327464435382478481417373460392371301440423355421365393358NANANA252NANANA
us-gaap:OtherLiabilitiesCurrent ▆▇▅█▇▆▇▆▆▅▅▅▃▄▃▃▃▃▃▃▂▆▅▃▄▆▃▃▂▃▃▂▁▁▂▃▁▁27763056273531693071277530312867279127092709260424202472240424052327240423642386223929182680241224362891241623042187228122992232206920852197228520802022NANANA1899NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtNoncurrent █▇▇▆▆▅▅▄▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁▂▂▂▂▂▁▁▂▁▁▁19247175181747914914155801341113539112941221112096108281108810802106781107992998927875389748431645967315225532344014326353348844864491648525657451044844955448444864183NANANA5097NANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▇█▄▄▅▅▅▆▆▇▇▇▇█▅▆▆▆▆▇▇▇▁▁▁▁▄▅▅▅▅▆▇█▁▂▂▂37943911266727612919298731833254338136203748376137644018317934183454352034623683376438431849182918091794269429093014308631143355368639721704193219642013NANANA2227NANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██▇▇▇▇███▇▇▇▇▆▆6263625954526363625956535145464341393837353333492476446456443446465497467437442444412393354NANANA538NANANA
us-gaap:OtherLiabilitiesNoncurrent █████▇▇▇▇▇▄▃▃▃▂▂▃▃▃▁▂▃▃▄▄▄▃▃▃▃▃▃▃▄▄▄▄▄32253275323532683228301029062900298529621861176716911648134513271649158015661049138615551791193219631984168616831686163417771747179218571879192118921854NANANA1727NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▁▁▂▁▁▁▁▂▂▃▃▃▂▁▃▃▃▃▃▄▅▄▆▇▇██████▇▆▆▇▇▇▆10147100631070210083970397961024810365109771156312146115911098910298120021189411733117081218613093139171310916173173541744817502177961787618082175751764416406161821542016968173301649415663NANANA12764NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ████▇▇▇▇▆▇▇▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁4234542135420854136241159406364012039442384533911539454387933809437907377453719436785365753623535615350803431734484338363331232416324123171631073306793015029465288582834827784271102652125995NANANA23753NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▂▂▂▃▃▃▃▃▃▃▃▃▄▄▄▄▃▄▄▄▇▇▇▇▆▅▅▆▆▅▆▅███▇-8414-8139-7388-7272-7552-6866-6968-7019-6803-7026-6913-6989-6949-7245-6146-6184-6261-6359-6467-6233-6321-6289-4108-3666-3841-3913-4810-5166-5001-4750-4548-5012-4785-5025-3339-2961-3237-3543NANANA-3754NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 1213NANANA1048NANANA143NANANA988NANANANANANANANANANANANANANANANANANANANANANANA733NANANA1082NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities -375NANANA-1225NANANA281NANANA-90NANANANANANANANANANANANANANANANANANANANANANANA-757NANANA-987NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities 1108NANANA258NANANA46NANANA-1151NANANANANANANANANANANANANANANANANANANANANANANA-664NANANA-275NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 1213NANANA1048NANANA143NANANA988NANANANANANANANANANANANANANANANANANANANANANANA733NANANA1082NANANANA
us-gaap:NetIncomeLoss ▅▃▇▄▃▅▆█▁▁▆▇▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▄▃▄▄▄▃▄▄▄▃▄▄▃▃▃▂▁129296915831127891134715431857602523142915831323115513291291127510381296130011991179130312671207110312301197112999111611167112595410881160108192811061121930935957783518
us-gaap:ProfitLoss ▅▃▇▄▃▅▆█▁▁▆▇▅▄▅▅▅▄▅▅▅▄▅▅▅▄▅▅▄▄▄▄▄▃▄▄▄12949701588113189313491546186260652514331585132611561331129312781039129813031201117913111283122511161245121311471004118011861141974110311771103NA11251140955NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings1292NA15831127891NA15431857602NA142915831323NA132912911275NA12961300119911791303126712071103123011971129991116111671125NA108811601081NA11061121930NANANANA
us-gaap:DepreciationDepletionAndAmortization 440NANANA375NANANA382NANANA438NANANA356NANA344339350350358350357343335336332322NA313NANANA289NANANA287NANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet 457NANANA53NANANA402NANANA387NANANA419NANA-263313-153-28-23924330-50-21540232-178NA326NANANA366NANANA183NANANANA
us-gaap:IncreaseDecreaseInInventories 207NANANA178NANANA209NANANA149NANANA37NANA138131-119-10111131-69-1213928-117100NA96NANANA180NANANA190NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities -375NANANA-1225NANANA281NANANA-90NANANANANANANANANANANANANANANANANANANANANANANA-757NANANA-987NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment 332NANANA391NANANA304NANANA287NANANA314NANA370291490369341293543404394324507358NA261NANANA231NANANA157NANANANA
us-gaap:PaymentsToAcquireInvestments 318NANANA511NANANA517NANANA213NANANA225NANA1501912521792486014515891233176711792002NA900NANANA757NANANA1410NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities 1108NANANA258NANANA46NANANA-1151NANANANANANANANANANANANANANANANANANANANANANANA-664NANANA-275NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock 365NANANA701NANANA937NANANA690NANANA1227NANA16958861279123914261708167415431190805714327NA524NANANA680NANANA20NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument mmm:FixedRateRegisteredNoteDue20250.0265NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument mmm:FixedRateRegisteredNoteDue20300.0305NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument mmm:FixedRateRegisteredNoteDue20500.037NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value944944944368944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944944
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value575575576594596609635663687694711710
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value581583586588598604612612612612618620621631643649657664674691699702703702706715726726725725723
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value576576577577585591596597598598604606607620631636645652661679688691693694696707713711714714711
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2.241.682.751.951.542.322.643.141.010.882.392.652.211.932.22.132.11.692.092.061.881.852.021.941.831.651.811.741.631.431.681.681.611.361.541.631.521.31.551.571.311.321.361.120.75
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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2.221.662.721.921.512.272.583.070.980.852.332.582.161.882.152.082.051.662.052.021.851.811.981.911.791.621.781.711.611.411.651.661.591.351.521.61.491.281.531.541.291.31.351.120.74
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

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value807581117991817178637945815283908278799081727810768573297709766274097298771276867578771981378134783175697916775276347387749775347486708975317680731167096874673163486122619357195089
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value12848213512
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.40.60.30.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.40.60.30.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-458-434-424-644-689-665-662
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.7-5.4-5.2-8.2-8.5-7.9-8.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.7-5.4-5.2-8.2-8.5-7.9-8.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementGeographical

us-gaap:CorporateNonSegment, srt:Americas



Period End2020-03-312019-03-31
Value121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment srt:Americas100.0100.0

us-gaap:IntersegmentElimination, srt:Americas



Period End2020-03-312019-03-31
Value-208-182
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.6-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.6-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination srt:Americas100.0100.0

us-gaap:IntersegmentElimination, srt:AsiaPacific



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-181-207-186-227-269-191-248
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.2-2.6-2.3-2.9-3.3-2.3-3.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.2-2.6-2.3-2.9-3.3-2.3-3.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, us-gaap:EMEA



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-69-49-51-113-99-113-109
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-0.6-0.6-1.4-1.2-1.3-1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-0.6-0.6-1.4-1.2-1.3-1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

mmm:Abrasives, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value330363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:Abrasives mmm:SafetyAndIndustrialSegment100.0100.0

mmm:AdvancedMaterials, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value288311
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:AdvancedMaterials mmm:TransportationAndElectronicsSegment100.0100.0

mmm:AutomotiveAftermarket, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value284306
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:AutomotiveAftermarket mmm:SafetyAndIndustrialSegment100.0100.0

mmm:AutomotiveAndAerospace, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value447508
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:AutomotiveAndAerospace mmm:TransportationAndElectronicsSegment100.0100.0

mmm:ClosureAndMaskingSystems, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value268278
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:ClosureAndMaskingSystems mmm:SafetyAndIndustrialSegment100.0100.0

mmm:CommercialSolutions, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value429462
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:CommercialSolutions mmm:TransportationAndElectronicsSegment100.0100.0

mmm:ConsumerHealthCare, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value9997
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:ConsumerHealthCare mmm:ConsumerSegment100.0100.0

mmm:DrugDelivery, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value10583
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:DrugDelivery mmm:HealthCareSegment100.0100.0

mmm:ElectricalMarkets, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value291311
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:ElectricalMarkets mmm:SafetyAndIndustrialSegment100.0100.0

mmm:Electronics, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value863861
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.711.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.711.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:Electronics mmm:TransportationAndElectronicsSegment100.0100.0

mmm:FoodSafety, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value9183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:FoodSafety mmm:HealthCareSegment100.0100.0

mmm:HealthInformationSystems, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value277260
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:HealthInformationSystems mmm:HealthCareSegment100.0100.0

mmm:HomeCare, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value270257
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:HomeCare mmm:ConsumerSegment100.0100.0

mmm:HomeImprovement, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value576528
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.16.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.16.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:HomeImprovement mmm:ConsumerSegment100.0100.0

mmm:IndustrialAdhesivesAndTapes, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value674683
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:IndustrialAdhesivesAndTapes mmm:SafetyAndIndustrialSegment100.0100.0

mmm:MedicalSolutions, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value1153773
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.39.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.39.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:MedicalSolutions mmm:HealthCareSegment100.0100.0

mmm:OralCare, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value277341
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.44.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.44.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OralCare mmm:HealthCareSegment100.0100.0

mmm:OtherConsumer, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value3823
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherConsumer mmm:ConsumerSegment100.0100.0

mmm:OtherHealthCare, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value-2-5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherHealthCare mmm:HealthCareSegment100.0100.0

mmm:OtherSafetyAndIndustrial, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value36
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherSafetyAndIndustrial mmm:SafetyAndIndustrialSegment100.0100.0

mmm:PersonalSafety, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value990924
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.311.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.311.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:PersonalSafety mmm:SafetyAndIndustrialSegment100.0100.0

mmm:RoofingGranules, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value9592
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:RoofingGranules mmm:SafetyAndIndustrialSegment100.0100.0

mmm:SeparationAndPurificationSciences, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value202203
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:SeparationAndPurificationSciences mmm:HealthCareSegment100.0100.0

mmm:StationeryAndOffice, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value273295
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:StationeryAndOffice mmm:ConsumerSegment100.0100.0

mmm:TransportationSafety, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value211216
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:TransportationSafety mmm:TransportationAndElectronicsSegment100.0100.0

us-gaap:StatementBusinessSegments

mmm:ConsumerSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1256132413031123123513091145
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.616.615.914.315.115.613.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.616.615.914.315.115.613.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:ConsumerSegment100.0100.0100.0100.0100.0100.0100.0

mmm:HealthCareSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2103172118311540144517301535
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.021.522.419.617.720.618.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.021.522.419.617.720.618.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:HealthCareSegment100.0100.0100.0100.0100.0100.0100.0

mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value293528492961296330213253
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.335.736.237.737.138.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.335.736.237.737.138.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:SafetyAndIndustrialSegment100.0100.0100.0100.0100.0100.0

mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value223825032452235526192527
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.731.330.030.032.130.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.731.330.030.032.130.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:TransportationAndElectronicsSegment100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:US



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3425329234043046326533483044
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.441.241.738.740.139.936.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.441.241.738.740.139.936.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0

mmm:OtherUnallocatedGeographical



Period End2020-03-312019-03-312018-09-302018-06-302018-03-31
Value-2-2211
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherUnallocatedGeographical100.0100.0100.0100.0100.0

srt:Americas



Period End2020-03-312019-03-31
Value41423763
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.347.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.347.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas100.0100.0

srt:AsiaPacific



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2345249024152478262125042676
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.031.229.631.532.229.832.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.031.229.631.532.229.832.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1590146515931624152717581792
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.718.319.520.718.721.021.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.718.319.520.718.721.021.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

mmm:OtherUnallocatedGeographical, mmm:HealthCareSegment



Period End2020-03-312019-09-302018-09-302018-06-30
Value-1000000.01000000.01000000.0-1000000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherUnallocatedGeographical mmm:HealthCareSegment100.0100.0100.0100.0

mmm:OtherUnallocatedGeographical, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-1000000.01000000.0-1000000.0-1000000.0-1000000.0-1000000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mmm:OtherUnallocatedGeographical mmm:SafetyAndIndustrialSegment100.0100.0100.0100.0100.0100.0

srt:Americas, mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value874803
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas mmm:ConsumerSegment100.0100.0

srt:Americas, mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value1281922
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.911.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.911.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas mmm:HealthCareSegment100.0100.0

srt:Americas, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-03-31
Value15191486
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.818.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.818.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas mmm:SafetyAndIndustrialSegment100.0100.0

srt:Americas, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-03-31
Value675713
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.49.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.49.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas mmm:TransportationAndElectronicsSegment100.0100.0

srt:AsiaPacific, mmm:ConsumerSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value250233242266221251286
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.12.93.03.42.73.03.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.12.93.03.42.73.03.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific mmm:ConsumerSegment100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, mmm:HealthCareSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value356360383305282372298
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.44.54.73.93.54.43.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.44.54.73.93.54.43.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific mmm:HealthCareSegment100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value719713709759788770
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.98.98.79.79.79.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.98.98.79.79.79.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific mmm:SafetyAndIndustrialSegment100.0100.0100.0100.0100.0100.0

srt:AsiaPacific, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value120113901269125714641303
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.917.415.516.018.015.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.917.415.516.018.015.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific mmm:TransportationAndElectronicsSegment100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, mmm:ConsumerSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value132136140130129152143
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.71.71.71.61.81.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.71.71.71.61.81.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA mmm:ConsumerSegment100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, mmm:HealthCareSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value467388427378340445394
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.84.95.24.84.25.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.84.95.24.84.25.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA mmm:HealthCareSegment100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value698626689719665798
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.67.88.49.18.29.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.67.88.49.18.29.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA mmm:SafetyAndIndustrialSegment100.0100.0100.0100.0100.0100.0

us-gaap:EMEA, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value362363389386378424
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.54.84.94.65.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.54.54.84.94.65.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA mmm:TransportationAndElectronicsSegment100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value807581117991817178637945815283908278799081727810768573297709766274097298771276867578771981378134783175697916775276347387749775347486708975317680731167096874673163486122619357195089
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 RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-31
Value12848213512321
Percentage of Revenues0.00.40.60.30.40.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.40.60.30.40.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-458-434-424-644-689-665-662-684-615-601
Percentage of Revenues-5.7-5.4-5.2-8.2-8.5-7.9-8.0-8.4-7.9-7.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.7-5.4-5.2-8.2-8.5-7.9-8.0-8.4-7.9-7.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mmm:ConsumerSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value12561324130311231235130911451279
Percentage of Revenues15.616.615.914.315.115.613.815.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.616.615.914.315.115.613.815.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:ConsumerSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:HealthCareSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value21031721183115401445173015351485
Percentage of Revenues26.021.522.419.617.720.618.518.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.021.522.419.617.720.618.518.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:HealthCareSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value293528492961296330213253
Percentage of Revenues36.335.736.237.737.138.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.335.736.237.737.138.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:SafetyAndIndustrialSegment0.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value223825032452235526192527
Percentage of Revenues27.731.330.030.032.130.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.731.330.030.032.130.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:TransportationAndElectronicsSegment0.00.00.00.00.00.0

Sales Revenue Net

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value410943254188431343104060415942274236408040454007386937163847379936783827387738583821402742054184403139764148401339693991393538703889382440274040380235753583343532383189317129772772
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 RevenueFromContractWithCustomerExcludingAssessedTax50.953.352.452.854.851.151.050.451.251.149.551.350.350.749.949.649.652.450.350.250.452.251.751.451.552.552.451.852.054.052.551.452.053.953.552.652.053.352.151.051.052.151.252.154.5

Cost Of Goods And Services Sold

us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CostOfGoodsAndServicesSold

us-gaap:ForeignExchangeContract, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1822217-37-27-34-2
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.1-0.5-0.3-0.4-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ForeignExchangeContract us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.0

Cost Of Goods Sold

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6412598064696727613659897271613156265911580557965621583658465848605762366278611559906177605059885944581958065852595060255733529851354903
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.474.879.285.675.371.487.875.072.076.975.375.675.975.776.177.278.576.677.278.179.178.078.078.480.577.677.178.279.078.578.477.176.377.2

Research And Development Expense

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1768145516861948154718002573162316071571153115601493153015501564159415971646163215761609161015891535148715281552153415811533136113501323
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.918.220.624.819.021.531.119.920.620.419.920.420.219.820.220.620.719.620.220.820.820.320.820.820.819.820.320.720.420.621.019.820.120.8

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1663201117021136201624011007204121841774190418661788187618401730166219011856171615791739170216461443167817281634158116551578157615961445
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.625.220.814.424.728.612.225.028.023.124.724.424.124.323.922.821.523.422.821.920.922.022.021.619.522.422.921.821.021.521.622.923.722.8

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-156-40-193-624-77-206-1046-100-44-81-69-88-41-58-74-100-67-63-49-72-73-87-87-74-116-93
Percentage of OperatingIncomeLoss-9.4-2.0-11.3-54.9-3.8-8.6-103.9-4.9-2.0-4.6-3.6-4.7-2.3-3.1-4.0-5.8-4.0-3.3-2.6-4.2-4.6-5.0-5.1-4.5-8.0-5.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-0.5-2.4-7.9-0.9-2.5-12.6-1.2-0.6-1.1-0.9-1.1-0.6-0.8-1.0-1.3-0.9-0.8-0.6-0.9-1.0-1.1-1.1-1.0-1.6-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment-15600.0-142.9-402.1-2971.4-220.0-1716.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-116-112-101-156-180-158-164-55-55-50-40-42-34-37-35-34-36-34-33-30-29-30-31-28-27-28
Percentage of OperatingIncomeLoss-7.0-5.6-5.9-13.7-8.9-6.6-16.3-2.7-2.5-2.8-2.1-2.3-1.9-2.0-1.9-2.0-2.2-1.8-1.8-1.7-1.8-1.7-1.8-1.7-1.9-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.4-1.4-1.2-2.0-2.2-1.9-2.0-0.7-0.7-0.7-0.5-0.5-0.5-0.5-0.5-0.4-0.5-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination25.325.823.824.226.123.824.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mmm:ConsumerSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value269308268219291279220311
Percentage of OperatingIncomeLoss16.215.315.719.314.411.621.815.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.93.32.83.63.32.73.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:ConsumerSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:HealthCareSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value456459483432446470458467
Percentage of OperatingIncomeLoss27.422.828.438.022.119.645.522.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.75.95.55.55.65.55.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:HealthCareSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value7267656536376971285
Percentage of OperatingIncomeLoss43.738.038.456.134.653.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.09.68.08.18.615.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:SafetyAndIndustrialSegment0.00.00.00.00.00.0

us-gaap:OperatingSegments, mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value484631592522726669
Percentage of OperatingIncomeLoss29.131.434.846.036.027.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.97.26.68.98.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mmm:TransportationAndElectronicsSegment0.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value123109111104858882575445
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.41.41.31.01.01.00.70.70.6

Interest And Debt Expense

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-444-20212377-112-49616744-672921737138-47223-193-486-60312720-112284-279-398-140412-335134-236-490
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.5-2.51.51.0-1.4-5.92.00.5-0.93.80.20.51.9-6.10.3-2.5-6.3-7.41.60.3-1.53.6-3.6-5.2-1.95.5-4.41.8-3.3-6.5

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-441-20012277-109-49216845-672891637139-47124-193-486-5931238-84286-260-360-94401-346155-226-507
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax99.399.099.2100.097.399.2100.6102.3100.099.094.1100.0100.799.8104.3100.0100.098.396.940.075.0100.793.290.567.197.3103.3115.795.8103.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.5-2.51.51.0-1.3-5.92.00.6-0.93.80.20.51.9-6.10.3-2.5-6.3-7.31.50.1-1.13.6-3.4-4.7-1.35.3-4.62.1-3.2-6.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-03-312016-09-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-3-21-3-4-1-131-1-1-100-10412-28-2-19-38-461111-21-1017
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax0.71.00.82.70.8-0.6-2.31.05.9-0.70.2-4.3-0.0-0.01.73.160.025.0-0.76.89.532.92.7-3.3-15.74.2-3.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.0-0.0-0.0-0.0-0.00.00.0-0.0-0.0-0.00.00.0-0.10.00.2-0.4-0.0-0.2-0.5-0.60.10.1-0.3-0.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value15671966144610881965235096519972142173718621835174618451812170316381880182016881558171616711617140916441695160315431614154515361554
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.424.617.713.824.128.011.724.427.422.624.223.923.623.923.622.521.223.122.421.620.621.721.621.219.121.922.521.420.521.021.122.323.1

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-96-45-256-48-51-51-42-44-42-37-42-31-42-31-28-27-24-21-36-28-21-23-31-29-34-34-33-31-38-41-33-40-42-42
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.2-0.6-3.1-0.6-0.6-0.6-0.5-0.5-0.5-0.5-0.5-0.4-0.6-0.4-0.4-0.4-0.3-0.3-0.4-0.4-0.3-0.3-0.4-0.4-0.5-0.5-0.4-0.4-0.5-0.5-0.5-0.6-0.6-0.7

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value273378315195419488359564557411531542468547509502459569537463442471458470405464509462440437442411414448
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.44.73.92.55.15.84.36.97.15.36.97.16.37.16.66.65.97.06.65.95.85.95.96.25.56.26.86.25.85.76.06.06.27.1

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1294970158811318931349154618626065251433158513261156133112931278103912981303120111791311128312251116124512131147100411801186114197411031177110311251140955
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.012.019.913.811.417.019.022.27.36.617.520.317.315.817.316.917.214.216.817.015.815.316.115.815.614.715.715.615.013.615.715.715.213.714.615.315.116.416.915.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value25423544232232320816181315161813191916151722191925
Percentage of ProfitLoss0.20.30.40.20.20.30.70.30.10.20.20.20.20.20.20.20.00.61.21.51.21.21.31.61.31.61.61.41.41.42.01.71.72.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.10.20.20.20.20.20.20.20.30.30.20.20.20.30.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value129215831127891154318576021429158313231329129112751296130011991179130312671207110312301197112999111611167112510881160108111061121930
Percentage of ProfitLoss99.899.799.699.899.899.799.399.799.999.899.899.899.899.899.899.8100.099.498.898.598.898.898.798.498.798.498.498.698.698.698.098.398.397.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.019.813.811.318.922.17.317.520.317.217.216.817.216.816.915.815.316.015.615.414.615.515.414.813.415.515.515.014.415.114.816.116.714.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value101714671407105815941641825150515431619136713681373106213881167-10028361442127920001586103287878916259401365710143613871756840910
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.618.417.213.519.619.610.018.419.821.117.717.918.513.818.115.4-13.010.317.716.326.420.013.311.510.721.712.518.29.418.719.025.512.514.3

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-1352133263221220-22030-1013-3-20-323030-5322716373125
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.10.00.00.00.00.00.10.00.00.00.00.00.00.0-0.00.20.4-0.10.2-0.0-0.3-0.40.40.4-0.10.40.40.20.50.50.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value101614701412106015941642828150815451625137013701375106313901169-10028341462130919901599102985875716559701360742146314031793871935
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.618.417.313.519.619.610.018.519.821.117.817.918.613.818.115.4-13.010.218.016.726.320.213.311.210.222.112.918.29.919.019.226.112.914.7

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value129296915831127891134715431857602523142915831323115513291291127510381296130011991179130312671207110312301197112999111611167112595410881160108192811061121930935957783518
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.011.919.813.811.317.018.922.17.36.517.520.317.215.817.216.817.214.216.816.915.815.316.015.615.414.615.515.414.813.415.515.515.013.514.415.114.813.816.116.714.715.315.513.710.2

Net Income Loss Available To Common Stockholders Basic

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value25423544232232320816181315161813191916151722191925
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.10.20.20.20.20.20.20.20.30.30.20.20.20.30.30.30.4

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value46212446594255038969391403650037275367783857537987352373395733292329063405133235329823271833258313883064331269327763397033547335503360434130340293387634479333393201531616321153228231129301562725025793
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value360033453331786288272938326652269642635027536263652303522313222522256322003212982120820971210341825816691181271657016124156231560215352158111550115836163381646615396157541470314540142421413913948
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets77.977.374.774.075.173.072.371.671.469.465.465.766.868.664.664.164.364.163.258.254.558.050.647.546.646.545.746.345.646.747.449.448.149.845.845.045.846.951.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value462124465942550389693914036500372753677838575379873523733957332923290634051332353298232718332583138830643312693277633970335473355033604341303402933876344793333932015316163211532282311293015627250
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1014710063107021008397039796102481036510977115631214611591109891029812002118941173311708121861309313917131091617317354174481750217796178761808217575176441640616182154201696817330164941566312764
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.022.525.225.924.826.827.528.228.530.434.534.133.031.335.235.835.635.836.641.745.441.949.351.152.052.253.052.453.151.951.249.250.548.852.853.753.051.946.8

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-6090-6209-5293-5369-5565-4832-4932-5046-5160-5276-5087-5167-5245-5328-4601-4668-4735-4804-4870-5106-5202-5293-3551-3594-3715-4955
Percentage of StockholdersEquity-60.0-61.7-49.5-53.2-57.4-49.3-48.1-48.7-47.0-45.6-41.9-44.6-47.7-51.7-38.3-39.2-40.4-41.0-40.0-39.0-37.4-40.4-22.0-20.7-21.2-28.2
Percentage of Assets-13.2-13.9-12.4-13.8-14.2-13.2-13.2-13.7-13.4-13.9-14.4-15.2-15.8-16.2-13.5-14.0-14.4-14.7-14.6-16.3-17.0-16.9-10.8-10.6-11.1-14.6
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value16-31179476435-11-173-112-85-3691124
Percentage of StockholdersEquity0.2-0.30.20.10.50.70.3-0.1-1.6-1.0-0.7-0.30.91.1
Percentage of Assets0.0-0.10.00.00.10.20.1-0.0-0.4-0.3-0.2-0.10.30.4
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-8414-8139-7388-7272-7552-6866-6968-7019-6803-7026-6913-6989-6949-7245-6146-6184-6261-6359-6467-6233-6321-6289-4108-3666-3913-4750
Percentage of StockholdersEquity-82.9-80.9-69.0-72.1-77.8-70.1-68.0-67.7-62.0-60.8-56.9-60.3-63.2-70.4-51.2-52.0-53.4-54.3-53.1-47.6-45.4-48.0-25.4-21.1-22.4-27.0
Percentage of Assets-18.2-18.2-17.4-18.7-19.3-18.8-18.7-19.1-17.6-18.5-19.6-20.6-20.9-22.0-18.0-18.6-19.0-19.4-19.4-19.9-20.6-20.1-12.5-10.8-11.7-14.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-2340-1899-2112-1912-2034-2098-2071-1962-1470-1638-1741-1786-1719-2008-1487-1503-1540-1679-1735-1264-1288-1095-609-57-188230
Percentage of StockholdersEquity-23.1-18.9-19.7-19.0-21.0-21.4-20.2-18.9-13.4-14.2-14.3-15.4-15.6-19.5-12.4-12.6-13.1-14.3-14.2-9.7-9.3-8.4-3.8-0.3-1.11.3
Percentage of Assets-5.1-4.3-5.0-4.9-5.2-5.7-5.6-5.3-3.8-4.3-4.9-5.3-5.2-6.1-4.4-4.5-4.7-5.1-5.2-4.0-4.2-3.5-1.9-0.2-0.60.7
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value150901297118020140511437413709144191389014818142771365612641119011172612179114361087410986116081343112518117651268113193127621273313282139831385513630144941408812853122401366913537126451221510795
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.729.042.436.136.737.638.737.838.437.638.837.235.735.635.834.433.033.634.942.840.937.638.738.838.038.039.541.040.740.242.042.340.138.742.641.940.640.539.6

Cash And Cash Equivalents At Carrying Value

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value482147915020537451735020532953835252491151564919472243924743466744854154461045784408423847114759459842534594454244184061440943644323386742594385420936153250
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.410.711.813.813.213.814.314.613.612.914.614.514.213.313.914.013.612.713.914.614.413.614.414.013.712.713.713.313.012.012.813.113.512.213.313.613.512.011.9

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value421741344007430045384366443742384295403439753838361233853611361336273518370938473704370639454093397238643948391938193837384236563561341636043717348931552639
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.19.39.411.011.612.011.911.511.110.611.311.310.810.310.610.911.010.811.212.312.111.912.012.011.811.511.711.511.211.311.111.011.110.811.211.511.210.59.7

Inventory Finished Goods

us-gaap:InventoryFinishedGoods



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value202120031890198022212120212519792025191519621863176416291672167616991655174517651713172318501898184617901799179217751754178316881609153616521703163914761255
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.44.54.45.15.75.85.75.45.25.05.65.55.35.04.95.05.25.15.25.65.65.55.65.65.55.35.45.35.25.25.25.15.04.95.15.35.34.94.6

Inventory Raw Materials And Supplies

us-gaap:InventoryRawMaterialsAndSupplies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value982937886972984954962967957901849830770717782772771855903950875902928975956935936905865897896873840819864907817729569
Percentage of InventoryRawMaterialsAndSupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.12.52.52.62.62.62.52.42.42.42.32.22.32.32.32.62.73.02.92.92.82.92.82.82.82.72.52.62.62.62.62.62.72.82.62.42.1

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9718915154404733493853703442661108109012531271115912911249139815311521159712981329133213781279142912701242120112251165123812779449119159671122
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.01.21.11.21.01.01.00.90.73.13.23.83.93.43.93.84.34.64.85.24.24.13.94.13.84.33.73.63.53.63.53.94.02.92.82.93.24.1

Prepaid Expense And Other Assets Current

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value260002612425508255652512424873247652475825174249142465924292239462349924142237932356423098229402285122473228412309523447232412306822869224172246822525220422144321484211662103821188207852025319440
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.358.559.965.664.268.166.467.365.365.670.071.571.971.470.971.671.470.669.072.873.373.070.569.069.368.868.165.766.066.563.964.367.166.965.565.666.867.271.3

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value168351679116617165671629516135161351611316310160481600115726153951498315471151891495014583144701446214187143521459614762146111441614421140881415014147141031373713729135001352913564132821297412440
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.437.639.142.541.644.243.343.842.342.245.446.346.245.545.445.745.344.643.546.146.345.944.543.543.643.042.941.341.641.840.941.242.942.742.142.042.743.045.7

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value916593338891899888298738863086458864886686588566855185168671860486148515847083898286848984998685863086528448832983188378793977067755766675097624750372797000
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.820.920.923.122.623.923.223.523.023.324.625.225.725.925.525.926.126.025.526.727.027.125.925.625.725.825.124.424.424.723.023.124.224.223.423.624.124.125.7

Long Term Investments

Investments In Affiliates Subsidiaries Associates And Joint Ventures

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value13312134441041010574106111005110123101071057010513922191059258916694309356937592499354698569347050721374227357734573427231724773857216706970907047714072337121682058325753
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.830.124.527.127.127.527.227.527.427.726.226.827.827.927.728.228.428.328.122.322.622.522.021.821.921.921.821.221.321.820.921.222.122.322.222.422.922.621.422.3

us-gaap:StatementBusinessSegments

mmm:ConsumerSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value253254261264238208206210208
Percentage of Goodwill1.91.92.52.52.22.12.02.02.3
Percentage of Assets0.50.60.60.70.60.60.60.60.6
Percentage of Assets mmm:ConsumerSegment0.00.00.00.00.00.00.00.00.0

mmm:HealthCareSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value669267393703375422231654166216821609
Percentage of Goodwill50.350.135.635.520.916.516.416.017.6
Percentage of Assets14.515.18.79.65.74.54.54.44.9
Percentage of Assets mmm:HealthCareSegment0.00.00.00.00.00.00.00.00.0

mmm:SafetyAndIndustrialSegment



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value455746214616470747165077
Percentage of Goodwill34.234.444.344.546.948.3
Percentage of Assets9.910.310.812.112.913.4
Percentage of Assets mmm:SafetyAndIndustrialSegment0.00.00.00.00.00.0

mmm:TransportationAndElectronicsSegment



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value181018301830184918571886
Percentage of Goodwill13.613.617.617.518.517.9
Percentage of Assets3.94.14.34.75.15.0
Percentage of Assets mmm:TransportationAndElectronicsSegment0.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value619163792847296430472657272627872885293621752201226923202422247725512601263213551396143515161603163116881745178618401925184718421865191619522025200418201342
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.414.36.77.67.87.37.37.67.57.76.26.56.87.17.17.57.77.97.94.34.64.64.64.74.95.05.25.25.45.75.45.55.86.16.16.36.46.04.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value55595741221223232408201620832144223322881529156116361691178418401911196625161239128113121391147415021559161616601715179817241721174017931826189518761695
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.012.95.26.06.25.55.65.85.86.04.34.64.95.15.25.55.86.07.63.94.24.24.24.34.54.64.84.95.05.35.05.25.45.75.75.96.05.6

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1605167415481503148213451377134914381395126612071102981952985121210531009105513381554934107810639801066108311371217139414061486165611531208125812621275
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.73.63.93.83.73.73.73.73.73.63.63.33.02.83.03.73.23.03.44.45.02.83.23.22.93.23.23.33.64.04.24.65.23.63.74.04.24.7

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value913492227821726571257244733689028959768765985697599562196400725471787118703250955082599877057040745074987439633559376200659557075408544161656203590060894897
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.820.618.418.618.219.819.724.223.220.218.716.818.018.918.821.821.821.821.116.216.619.223.520.722.222.322.118.617.418.319.117.116.917.219.219.219.020.218.0

Debt Current

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value220722282079213023092266202918711874194518241782170117981621165015811694160017141801180717961844186617991718192018201762180517921779164316891851181516621453
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.85.04.95.55.96.25.45.14.95.15.25.25.15.54.85.04.85.24.85.55.95.85.55.45.65.45.15.65.35.25.25.45.65.25.35.75.85.55.3

Other Accrued Liabilities Current

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value136194137223183243186293282310374432433299364169590332105327464435382478481417373460392371301440423355421365393358252
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.30.60.50.70.50.80.70.81.11.31.30.91.10.51.81.00.31.01.51.41.21.41.41.21.11.31.21.10.91.31.31.11.31.11.31.20.9

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value277630562735316930712775303128672791270927092604242024722404240523272404236423862239291826802412243628912416230421872281229922322069208521972285208020221899
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.86.48.17.87.68.17.87.27.17.77.77.37.57.17.27.17.37.17.67.39.38.27.17.38.67.26.86.46.76.76.76.56.66.87.16.76.77.0

Dividends Payable Current

Long Term Debt

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value192471751817479149141558013411135391129412211120961082811088108021067811079929989278753897484316459673152255323440143263533488448644916485256574510448449554484448641835097
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.639.241.138.339.836.736.330.731.731.830.732.732.432.532.528.027.126.827.026.921.121.515.915.713.112.910.514.314.314.514.117.014.114.215.413.914.413.918.7

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value379439112667276129192987318332543381362037483761376440183179341834543520346236833764384318491829180917942694290930143086311433553686397217041932196420132227
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.28.86.37.17.58.28.58.88.89.510.611.111.312.29.310.310.510.810.411.712.312.35.65.45.45.38.08.58.99.19.010.111.512.65.36.06.36.78.2

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6263625954526363625956535145464341393837353333492476446456443446465497467437442444412393354538
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.10.10.20.20.20.20.20.20.20.10.10.10.10.10.10.10.10.10.11.41.41.31.41.31.31.41.41.41.41.41.41.31.31.22.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value322532753235326832283010290629002985296218611767169116481345132716491580156610491386155517911932196319841686168316861634177717471792185718791921189218541727
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.07.37.68.48.28.27.87.97.77.85.35.25.15.03.94.05.04.84.73.34.55.05.55.75.95.95.04.95.04.85.25.25.65.95.96.06.16.16.3

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1014710063107021008397039796102481036510977115631214611591109891029812002118941173311708121861309313917131091617317354174481750217796178761808217575176441640616182154201696817330164941566312764
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.022.525.225.924.826.827.528.228.530.434.534.133.031.335.235.835.635.836.641.745.441.949.351.152.052.253.052.453.151.951.249.250.548.852.853.753.051.946.8

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-6090-6209-5293-5369-5565-4832-4932-5046-5160-5276-5087-5167-5245-5328-4601-4668-4735-4804-4870-5106-5202-5293-3551-3594-3715-4955
Percentage of StockholdersEquity-60.0-61.7-49.5-53.2-57.4-49.3-48.1-48.7-47.0-45.6-41.9-44.6-47.7-51.7-38.3-39.2-40.4-41.0-40.0-39.0-37.4-40.4-22.0-20.7-21.2-28.2
Percentage of Assets-13.2-13.9-12.4-13.8-14.2-13.2-13.2-13.7-13.4-13.9-14.4-15.2-15.8-16.2-13.5-14.0-14.4-14.7-14.6-16.3-17.0-16.9-10.8-10.6-11.1-14.6
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value16-31179476435-11-173-112-85-3691124
Percentage of StockholdersEquity0.2-0.30.20.10.50.70.3-0.1-1.6-1.0-0.7-0.30.91.1
Percentage of Assets0.0-0.10.00.00.10.20.1-0.0-0.4-0.3-0.2-0.10.30.4
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-8414-8139-7388-7272-7552-6866-6968-7019-6803-7026-6913-6989-6949-7245-6146-6184-6261-6359-6467-6233-6321-6289-4108-3666-3913-4750
Percentage of StockholdersEquity-82.9-80.9-69.0-72.1-77.8-70.1-68.0-67.7-62.0-60.8-56.9-60.3-63.2-70.4-51.2-52.0-53.4-54.3-53.1-47.6-45.4-48.0-25.4-21.1-22.4-27.0
Percentage of Assets-18.2-18.2-17.4-18.7-19.3-18.8-18.7-19.1-17.6-18.5-19.6-20.6-20.9-22.0-18.0-18.6-19.0-19.4-19.4-19.9-20.6-20.1-12.5-10.8-11.7-14.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-2340-1899-2112-1912-2034-2098-2071-1962-1470-1638-1741-1786-1719-2008-1487-1503-1540-1679-1735-1264-1288-1095-609-57-188230
Percentage of StockholdersEquity-23.1-18.9-19.7-19.0-21.0-21.4-20.2-18.9-13.4-14.2-14.3-15.4-15.6-19.5-12.4-12.6-13.1-14.3-14.2-9.7-9.3-8.4-3.8-0.3-1.11.3
Percentage of Assets-5.1-4.3-5.0-4.9-5.2-5.7-5.6-5.3-3.8-4.3-4.9-5.3-5.2-6.1-4.4-4.5-4.7-5.1-5.2-4.0-4.2-3.5-1.9-0.2-0.60.7
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value423454213542085413624115940636401203944238453391153945438793380943790737745371943678536575362353561535080343173448433836333123241632412317163107330679301502946528858283482778427110265212599523753
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets91.694.398.9106.1105.2111.3107.6107.299.7103.0112.0114.2114.4115.2110.8111.9111.5111.8109.0113.5114.5109.7105.299.699.396.696.592.991.390.687.488.490.189.786.584.085.286.287.2

Treasury Stock Value

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-8414-8139-7388-7272-7552-6866-6968-7019-6803-7026-6913-6989-6949-7245-6146-6184-6261-6359-6467-6233-6321-6289-4108-3666-3841-3913-4810-5166-5001-4750-4548-5012-4785-5025-3339-2961-3237-3543-3754
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-18.2-18.2-17.4-18.7-19.3-18.8-18.7-19.1-17.6-18.5-19.6-20.6-20.9-22.0-18.0-18.6-19.0-19.4-19.4-19.9-20.6-20.1-12.5-10.8-11.4-11.7-14.3-15.1-14.7-14.0-13.2-15.0-14.9-15.9-10.4-9.2-10.4-11.7-13.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value121310481439887331082
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.013.31.712.910.017.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value-375-1225281-90-757-987
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.6-15.63.4-1.2-10.4-15.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value110825846-1151-664-275
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.73.30.6-15.0-9.1-4.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value121310481439887331082
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.013.31.712.910.017.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value129296915831127891134715431857602523142915831323115513291291127510381296130011991179130312671207110312301197112999111611167112595410881160108192811061121930935957783518
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.011.919.813.811.317.018.922.17.36.517.520.317.215.817.216.817.214.216.816.915.815.316.015.615.414.615.515.414.813.415.515.515.013.514.415.114.813.816.116.714.715.315.513.710.2

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1294970158811318931349154618626065251433158513261156133112931278103912981303120111791311128312251116124512131147100411801186114197411031177110311251140955
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.012.019.913.811.417.019.022.27.36.617.520.317.315.817.316.917.214.216.817.015.815.316.115.815.614.715.715.615.013.615.715.715.213.714.615.315.116.416.915.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value25423544232232320816181315161813191916151722191925
Percentage of ProfitLoss0.20.30.40.20.20.30.70.30.10.20.20.20.20.20.20.20.00.61.21.51.21.21.31.61.31.61.61.41.41.42.01.71.72.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.10.20.20.20.20.20.20.20.30.30.20.20.20.30.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value129215831127891154318576021429158313231329129112751296130011991179130312671207110312301197112999111611167112510881160108111061121930
Percentage of ProfitLoss99.899.799.699.899.899.799.399.799.999.899.899.899.899.899.899.8100.099.498.898.598.898.898.798.498.798.498.498.698.698.698.098.398.397.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.019.813.811.318.922.17.317.520.317.217.216.817.216.816.915.815.316.015.615.414.615.515.414.813.415.515.515.014.415.114.816.116.714.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value440375382438356344339350350358350357343335336332322313289287
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value45753402387419-263313-153-28-23924330-50-21540232-178326366183
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value20717820914937138131-119-10111131-69-1213928-11710096180190
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value-375-1225281-90-757-987
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.6-15.63.4-1.2-10.4-15.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value332391304287314370291490369341293543404394324507358261231157
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value31851151721322515019125217924860145158912331767117920029007571410
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312011-03-312010-03-31
Value110825846-1151-664-275
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.73.30.6-15.0-9.1-4.3

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value36570193769012271695886127912391426170816741543119080571432752468020
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

mmm:FixedRateRegisteredNoteDue2025



Period End2020-03-31
Value0.0265
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations mmm:FixedRateRegisteredNoteDue20250.0

mmm:FixedRateRegisteredNoteDue2030



Period End2020-03-31
Value0.0305
Percentage of DebtInstrumentInterestRateStatedPercentage115.1
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations mmm:FixedRateRegisteredNoteDue20300.0

mmm:FixedRateRegisteredNoteDue2050



Period End2020-03-31
Value0.037
Percentage of DebtInstrumentInterestRateStatedPercentage139.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations mmm:FixedRateRegisteredNoteDue20500.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-03-31
Value0.1740.1930.2180.1790.2130.2080.3720.2830.260.2370.2850.2960.2680.2960.2810.295-0.00200000000000000180.3030.2950.2740.00100000000000000090.2740.2740.2910.00.2820.3010.2880.2860.2710.2860.319
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-312009-12-31
Value3733343436035353634363638363637403839404139414346434649535659647074
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-312009-12-31
Value153.87151.15149.8149.34148.0138.98138.3137.6136.94125.73124.57124.16122.78112.07111.85111.14109.61102.01101.62101.52100.8990.3889.8889.5889.1183.8483.7383.6183.2980.3380.0177.2874.872.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value191000.0162000.0156000.0181898.0205069.05027.0220439.06327.013749.021475.0263674.07786.03817.07100.0335031.016274.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value733000.0551000.0467000.0604256.0749915.00.0671204.00.00.00.0798615.00.00.00.0946774.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod383.8340.1299.4332.2365.70.0304.50.00.00.0302.90.00.00.0282.60.0

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value120130159147144491385947521224347471034236103116112
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value158158709784677383858162575147393932313722222230282423292728293129308212812912812823
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value849858834879797
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:LossContingenciesByNatureOfContingency

mmm:AmountOfPfoaAndPfosInDrinkingWaterAllowedPerEpaLifetimeHealthAdvisoryLevels

mmm:EnvironmentalMattersRegulatoryActivities



Period End2020-03-31
Value70.0
Percentage of AmountOfPfoaAndPfosInDrinkingWaterAllowedPerEpaLifetimeHealthAdvisoryLevels100.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

mmm:DefinedBenefitPlanNonoperatingExpenseBenefit

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-3-2017-20-11-11-11-26-26-26
Percentage of DefinedBenefitPlanNonoperatingExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-15-18-19-19-13-13-12-7-5-5
Percentage of DefinedBenefitPlanNonoperatingExpenseBenefit500.090.0-111.895.0118.2118.2109.126.919.219.2

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value1-113444-1
Percentage of DefinedBenefitPlanNonoperatingExpenseBenefit-33.35.05.9-15.0-36.4-36.4-36.43.8

mmm:GainLossOnSaleOfBusinessIncludingCashReceived



Period End2020-03-312019-03-312018-03-31
Value2524
Percentage of GainLossOnSaleOfBusinessIncludingCashReceived100.0100.0100.0

us-gaap:StatementBusinessSegments

mmm:IncreaseDecreaseInNetSalesDueToAdditionalActionsImpactingBusinessSegmentReporting

mmm:ConsumerSegment



Period End2020-03-31
Value35
Percentage of IncreaseDecreaseInNetSalesDueToAdditionalActionsImpactingBusinessSegmentReporting100.0

mmm:SafetyAndIndustrialSegment



Period End2020-03-31
Value-35
Percentage of IncreaseDecreaseInNetSalesDueToAdditionalActionsImpactingBusinessSegmentReporting-100.0

us-gaap:ConsolidationItems

mmm:IncreaseDecreaseInNetSalesDueToContinuedAlignmentOfCustomerAccountActivity

us-gaap:IntersegmentElimination



Period End2020-03-31
Value-42
Percentage of IncreaseDecreaseInNetSalesDueToContinuedAlignmentOfCustomerAccountActivity100.0

us-gaap:StatementBusinessSegments

mmm:BusinessSegmentsInAggregate



Period End2020-03-31
Value-42
Percentage of IncreaseDecreaseInNetSalesDueToContinuedAlignmentOfCustomerAccountActivity100.0

us-gaap:StatementBusinessSegments

mmm:IncreaseDecreaseInOperatingIncomeDueToAdditionalActionsImpactingBusinessSegmentReporting

mmm:ConsumerSegment



Period End2020-03-31
Value11
Percentage of IncreaseDecreaseInOperatingIncomeDueToAdditionalActionsImpactingBusinessSegmentReporting100.0

mmm:SafetyAndIndustrialSegment



Period End2020-03-31
Value-11
Percentage of IncreaseDecreaseInOperatingIncomeDueToAdditionalActionsImpactingBusinessSegmentReporting-100.0

us-gaap:ConsolidationItems

mmm:IncreaseDecreaseInOperatingIncomeDueToContinuedAlignmentOfCustomerAccountActivity

us-gaap:IntersegmentElimination



Period End2020-03-31
Value-10
Percentage of IncreaseDecreaseInOperatingIncomeDueToContinuedAlignmentOfCustomerAccountActivity100.0

us-gaap:StatementBusinessSegments

mmm:BusinessSegmentsInAggregate



Period End2020-03-31
Value-10
Percentage of IncreaseDecreaseInOperatingIncomeDueToContinuedAlignmentOfCustomerAccountActivity100.0

us-gaap:LitigationCase

mmm:NumberOfPutativeClassActionAndOtherLawsuits

mmm:ProductLiabilityDualEndedCombatArmsEarplugs



Period End2020-03-31
Value14.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits100.0

us-gaap:LitigationCase, us-gaap:StatementGeographical

mmm:ProductLiabilityBairHugger, country:CA



Period End2020-03-31
Value1.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits7.1

us-gaap:LossContingenciesByNatureOfContingency

mmm:EnvironmentalMattersAqueousFilmFormingFoamLitigation



Period End2020-03-312019-03-31
Value576.096.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits4114.30.0

us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

mmm:CitiesDownstreamCoosaRiver, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-31
Value3.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits21.4

mmm:DecaturAlabamaPlant, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value2.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits14.3

mmm:USJudicialPanelOnMultidistrictLitigation, mmm:EnvironmentalMattersAqueousFilmFormingFoamLitigation



Period End2020-03-312019-03-31
Value576.088.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits4114.30.0

stpr:AL, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-312019-03-31
Value4.02.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits28.60.0

stpr:GA, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-31
Value1.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits7.1

stpr:MI, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-312019-03-31
Value1.02.0
Percentage of NumberOfPutativeClassActionAndOtherLawsuits7.10.0

mmm:PaymentOfPensionAndOtherPostretirementBenefitContributions



Period End2020-03-312019-03-312018-03-312017-03-31
Value3947232248
Percentage of PaymentOfPensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0

mmm:ResearchDevelopmentAndRelatedExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value537443470477430468486463473471427437450429438463436434448452438420427430418397408411389404398354350342
Percentage of ResearchDevelopmentAndRelatedExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value79111515015000110001600000
Percentage of AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet100.0100.0100.0100.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value16262847500580115212139202658-1
Percentage of AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet228.6288.9254.5313.3333.30.0386.70.00.00.0472.70.00.00.0243.80.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value11749571124754144585512849471254678228102699717066666412846446012742851314564
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value11749571124754144585512849471254678228102699717066666412846446012742851314564
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1204852130504915960591475149144464913859475212243474710342364210338561165759
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

mmm:ResearchDevelopmentAndRelatedExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value2577267727672677257627576235651455
Percentage of AllocatedShareBasedCompensationExpense20.814.613.520.014.014.317.010.011.917.713.714.317.415.212.219.68.514.911.518.911.612.810.613.611.913.9

us-gaap:CostOfSales



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value22892289239923882388235911224561246
Percentage of AllocatedShareBasedCompensationExpense18.316.717.316.916.018.414.515.015.315.615.716.316.017.416.316.78.519.121.218.09.310.612.811.79.516.7

us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value73333682353310945439836349631358849313577343636773325
Percentage of AllocatedShareBasedCompensationExpense60.868.869.263.170.067.368.675.072.966.770.669.466.767.471.463.883.166.067.363.179.176.676.674.878.669.4

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value8136245030306125-15-12-23173335914733398231333471312430712641754440
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1346970696163645147646366666650535856575757596060576058585959
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-312016-06-302016-03-312015-09-302015-06-302015-03-312014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value19116533132955332034621192933303030
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-312018-03-312017-03-31
Value190085438-225
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:OtherOperatingIncomeExpense



Period End2020-03-312019-09-302019-03-31
Value2-15
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-31
Value1.471.441.441.441.441.361.361.361.361.1751.1751.1751.1751.111.111.111.111.0251.0251.0250.8550.8550.8550.855
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized



Period End2020-03-312019-03-31
Value160370
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value29-56-103-84-3825144-85-2547-83-113-91-2461-56344326
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-134-91-92-91-126-126-126-97-97-97-89-88
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-31-20-19-20-29-29-29-29-30-30-21-23
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses23.122.020.722.023.023.023.029.930.930.923.626.1

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-12-8-8-9-15-15-15-14-14-14-15-15
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses9.08.88.79.911.911.911.914.414.414.416.917.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-6-6-6-6-6-6-6-5-6-6-6-6
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-1-3-3-3-4-3-3-3-3-3-3-4
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit16.750.050.050.066.750.050.060.050.050.050.066.7

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-8-9-7-7-10-10-10-13-13-13-13-14
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit133.3150.0116.7116.7166.7166.7166.7260.0216.7216.7216.7233.3

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:FundedPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-03-312018-03-31
Value3846231
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value255260260260272272272259259259261261
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value777575757879786970697878
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets30.228.828.828.828.729.028.726.627.026.629.929.9

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value202021202121212121212322
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets7.87.78.17.77.77.77.78.18.18.18.88.4

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value124155156155141141141141142142144144
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value314039394040403837374543
Percentage of DefinedBenefitPlanInterestCost25.025.825.025.228.428.428.427.026.126.131.229.9

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value162021212020202020192019
Percentage of DefinedBenefitPlanInterestCost12.912.913.513.514.214.214.214.214.113.413.913.2

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-17-381-36-19-21-19-33-31-32
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value634380426161614141413030
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-370.6-113.28000.0-116.7-321.1-290.5-321.1-124.2-132.3-128.10.00.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value231414142424242828282017
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-135.3-36.81400.0-38.9-126.3-114.3-126.3-84.8-90.3-87.50.00.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value12912141717171312121212
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-70.6-23.71200.0-38.9-89.5-81.0-89.5-39.4-38.7-37.50.00.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:FundedPlan, country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value666363627272726767676465
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundedPlan, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value383233333737363334333534
Percentage of DefinedBenefitPlanServiceCost57.650.852.453.251.451.450.049.350.749.354.752.3

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanType

us-gaap:FundedPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value111011111313131312131314
Percentage of DefinedBenefitPlanServiceCost16.715.917.517.718.118.118.119.417.919.420.321.5

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

us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings

us-gaap:ForeignExchangeForward, us-gaap:NetInvestmentHedging, us-gaap:CostOfSales



Period End2020-03-312019-09-302019-06-302019-03-31
Value5675
Percentage of DerivativeExcludedComponentGainLossRecognizedInEarnings100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:NetInvestmentHedging



Period End2020-03-312019-09-302019-06-302019-03-31
Value5675
Percentage of DerivativeExcludedComponentGainLossRecognizedInEarnings100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:OtherOperatingIncomeExpense



Period End2020-03-312019-09-302019-03-31
Value-21-5
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0

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

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:CostOfSales



Period End2020-03-312019-09-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value46-2113-336-1-1-1-5-51458-2-15-1621102-3120-15932
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated, us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-16-8-10-8-7-11423-67-138422149-7-34-6189-36-723533-160-4821-414-1527-96
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-400.0-133.30.0400.0-63.6-3800.0-766.7-2233.3-2300.0-4200.0-2100.0-4900.0140.0680.0-6100.02225.0-720.0-900.0-1750.0-3300.0-320.0-0.0-228.6210.0-200.0-45.2-75.0-180.0-100.018.8

us-gaap:HedgingDesignation

us-gaap:Nondesignated



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302010-09-302010-06-30
Value-12-2-10-104-11120-64-132412048-12-38-6089-31-643332-11-16-2831-2-1741338-20-459
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-300.0-33.30.0500.036.4-3700.0-666.7-2133.3-2200.0-4100.0-2000.0-4800.0240.0760.0-6000.02225.0-620.0-800.0-1650.0-3200.0-220.0100.0-133.3310.0-100.054.820.0-86.7118.80.00.00.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value84782883083079480281070170170267067267263564631192550556-1990431436440407408410410388391392375375374
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value84782883083079480281070170170267067267263564631192550556-1990431436440407408410410388391392375375374
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-464-3228-158-32-67-198-335125-89-5812995058-12
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value39122880201998357414849721271314471214134012141332111212321215411319
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-312018-03-312017-03-31
Value204961106
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01000000.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-06-302014-03-31
Value1000900000000600000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.00.00.0100.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-06-302014-03-31
Value1900000000000000000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302016-09-30
Value-16955-24-27-34-28-45
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness



Period End2020-03-312019-09-302019-03-312018-06-302018-03-312017-06-302017-03-31
Value210685062446129
Percentage of GainLossOnSaleOfBusiness100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-312019-03-312018-03-312017-03-31
Value-104-20-8992
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mmm:ConsumerSegment



Period End2020-03-312019-03-31
Value-130
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.0-150.0

mmm:HealthCareSegment



Period End2020-03-312019-03-31
Value-29-11
Percentage of GoodwillForeignCurrencyTranslationGainLoss27.955.0

mmm:SafetyAndIndustrialSegment



Period End2020-03-31
Value-64
Percentage of GoodwillForeignCurrencyTranslationGainLoss61.5

mmm:TransportationAndElectronicsSegment



Period End2020-03-31
Value-10
Percentage of GoodwillForeignCurrencyTranslationGainLoss9.6

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-31
Value-18
Percentage of GoodwillPurchaseAccountingAdjustments100.0

us-gaap:StatementBusinessSegments

mmm:HealthCareSegment



Period End2020-03-31
Value-18
Percentage of GoodwillPurchaseAccountingAdjustments100.0

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit



Period End2020-03-312018-03-31
Value1012
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit100.0100.0

us-gaap:StatementBusinessSegments

mmm:TransportationAndElectronicsSegment



Period End2020-03-31
Value10
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit100.0

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value12-3-88-124-116-905620-2-278442-22510297-69-911880145
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value14378260237245150296-319103137347-30615181447-360-60431469356
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value46811121216151413141413101113012121301210110108971314111111
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndOtherIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1026182015162113128
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod

mmm:GermanySubsidiaryCreditFacility, mmm:CreditFacilityExpiringNovember2020



Period End2020-03-31
Value150
Percentage of LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod100.0

us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LitigationSettlementAmountAwardedToOtherParty

stpr:MI, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-02-292019-12-31
Value5570
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease

mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-312019-03-31
Value25235
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease100.0100.0

mmm:RespiratorMaskAsbestosLitigation



Period End2020-03-31
Value8
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease32.0

mmm:RespiratorMaskAsbestosLitigationAearo



Period End2020-03-31
Value9
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease36.0

us-gaap:LitigationCase, us-gaap:StatementGeographical

us-gaap:LossContingencyClaimsDismissedNumber

mmm:ProductLiabilityBairHugger, mmm:StateCourt



Period End2020-03-31
Value3.0
Percentage of LossContingencyClaimsDismissedNumber100.0

mmm:ProductLiabilityBairHugger, mmm:UnitedStatesDistrictCourtForDistrictOfOklahoma



Period End2020-03-31
Value1.0
Percentage of LossContingencyClaimsDismissedNumber33.3

us-gaap:LitigationCase

us-gaap:LossContingencyNewClaimsFiledNumber

mmm:ProductLiabilityBairHugger



Period End2020-03-31
Value18.0
Percentage of LossContingencyNewClaimsFiledNumber100.0

mmm:ProductLiabilityDualEndedCombatArmsEarplugs



Period End2020-03-31
Value2787.0
Percentage of LossContingencyNewClaimsFiledNumber15483.3

us-gaap:LitigationCase, us-gaap:StatementGeographical

mmm:ProductLiabilityBairHugger, country:US



Period End2020-03-31
Value18.0
Percentage of LossContingencyNewClaimsFiledNumber100.0

mmm:ProductLiabilityBairHugger, mmm:UsDistrictCourtForDistrictOfMinnesota



Period End2020-03-31
Value61.0
Percentage of LossContingencyNewClaimsFiledNumber338.9

us-gaap:LossContingenciesByNatureOfContingency

mmm:EnvironmentalMattersAqueousFilmFormingFoamLitigation



Period End2020-03-31
Value8.0
Percentage of LossContingencyNewClaimsFiledNumber44.4

us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

mmm:StateCourtOfNewYorkState, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value4.0
Percentage of LossContingencyNewClaimsFiledNumber22.2

mmm:USJudicialPanelOnMultidistrictLitigation, mmm:EnvironmentalMattersAqueousFilmFormingFoamLitigation



Period End2020-03-31
Value568.0
Percentage of LossContingencyNewClaimsFiledNumber3155.6

mmm:UsDistrictCourtOfNewYorkState, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-312019-03-31
Value42.022.0
Percentage of LossContingencyNewClaimsFiledNumber233.30.0

stpr:MI, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-312019-03-31
Value262.0214.0
Percentage of LossContingencyNewClaimsFiledNumber1455.60.0

stpr:NH, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value2.0
Percentage of LossContingencyNewClaimsFiledNumber11.1

stpr:NJ, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value2.0
Percentage of LossContingencyNewClaimsFiledNumber11.1

stpr:VT, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value2.0
Percentage of LossContingencyNewClaimsFiledNumber11.1

us-gaap:LitigationCase

us-gaap:LossContingencyNumberOfPlaintiffs

mmm:ProductLiabilityBairHugger



Period End2020-03-31
Value21.0
Percentage of LossContingencyNumberOfPlaintiffs100.0

mmm:ProductLiabilityDualEndedCombatArmsEarplugs



Period End2020-03-31
Value11582.0
Percentage of LossContingencyNumberOfPlaintiffs55152.4

us-gaap:LitigationCase, us-gaap:StatementGeographical

mmm:ProductLiabilityBairHugger, mmm:VariousFederalCourts



Period End2020-03-31
Value5000.0
Percentage of LossContingencyNumberOfPlaintiffs23809.5

us-gaap:LossContingenciesByNatureOfContingency

mmm:RespiratorMaskAsbestosLitigation



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1733.02335.02250.02650.02110.00.02150.0-10.05.0-45.02270.020.050.035.02095.0-55.0
Percentage of LossContingencyNumberOfPlaintiffs8252.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

mmm:U.s.DistrictCourtForNorthernDistrictOfAlabama, mmm:EnvironmentalMattersLitigation



Period End2020-03-31
Value59.0
Percentage of LossContingencyNumberOfPlaintiffs281.0

stpr:MI, mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-31
Value1.0
Percentage of LossContingencyNumberOfPlaintiffs4.8

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-06-302019-03-312019-03-31
Value4.04.05.05.0
Percentage of NumberOfReportableSegments100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging



Period End2020-03-312019-09-302019-06-302019-03-31
Value79105230
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging



Period End2020-03-312019-08-312019-09-302019-06-302019-03-31
Value-2143-74-32-17
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-2.5-70.50.0-1600.0-56.7

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging



Period End2020-03-312019-09-302019-06-302019-03-31
Value7731-3013
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent97.529.5-1500.043.3

us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value7731-301322182-82-80
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent97.529.5-1500.043.30.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-362-11883116-88-22947-109-241125-5244-61-187-28116-440
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-458.2-112.44150.0386.70.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-439-149-40103-110-411129-29-167226-85960-477-12-44-537
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-555.7-141.9-2000.0343.30.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-15-18-16-16-20-19-19-21-22-22-22-24-23-19-17-18
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value164101258104150151151119119119103101103367141148-25508992911499144144143-49153154153
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value6110-50659210-48-78
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent37.29.9-19.45.839.3139.1-31.8-65.5

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-214-3831021399-5023212-12722627117-10-10879213-342
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent-130.5-37.6120.2204.866.0-33.1153.610.1-106.7189.926.2115.8-9.7-29.456.0143.9-384.3

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-439-149102103-110-411129-29-167226-85960-477-12-44-453-5371285-118240-260-324-78380-324155
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent-267.7-147.539.599.0-73.3-272.285.4-24.4-140.3189.9-7.858.458.3-130.0-8.5-29.717.8-603.4139.15.5-7.9166.7-180.6-226.6159.2248.4-210.4101.3

us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:CostOfSales



Period End2020-03-312019-09-302019-06-302019-03-31
Value4109418843134310
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value964525648
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax2.31.15.91.1

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value478-38646162-61-49-51-76-45-27-1101-32704668-927-24824-17-3623-151754
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value478-38646162-61-49-51-76-45-27-1101-32704668-927-24824-17-3623-151754
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-278-11828116748-22022275-40299397797-23587-32-2181-47717984874354-184-289-247475-216219-1701-361
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value11976196841141141168078836767692369691-1742596061972929185-91969897
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value478-38646162-61-49
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent39.510.5-19.47.140.4142.1-52.6-61.2

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-275-11628016751-21622376-40296387798-23488-32-467
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-231.1-152.6142.9198.844.7-189.5192.295.0-51.3356.656.7114.9142.0-99.291.7-35.2-791.5

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Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-441-20012277-109-49216845-672891637139-47124-193-486-5931238-84286-260-360-94401-346155
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-370.6-263.262.291.7-95.6-431.6144.856.2-85.9348.223.955.2201.4-199.625.0-212.127.9-1005.1205.013.1-8.6310.9-285.7-423.5103.3417.7-353.1159.8

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-119-76-196-84-114-114-116-80-78-83-67-67-69-236-96-911742-59-60-61-977-92-91-8590-96-98-971487-77
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-119-76-196-84-114-114-116-80-78-83-67-67-69-236-96-911742-59-60-61-972-92-91-8591-96-98-971482-77
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5100.0100.0100.0101.1100.0100.0100.099.7100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-177-119-119-120-170-170-170-140-141-141-125-126-126-153-159-159
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value452562203637353941363634341314557-80830323052752535842575656
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-30
Value142-12134813-29
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent131.18.0-19.436.1129.737.1-74.4

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value61783046481669-64-87-70-1140-108126-9245125
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1135.6312.048.4230.0133.3448.625.7-164.1-212.2-194.4-30.6117.6-317.696.2-20.0429.8416.7

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value251-2026-181-39-74-100-63-2422-79-6-3614933565-3-34-4603616-21220
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent14.4204.0-32.3130.0-2.8218.9-111.4-189.7-243.9-175.0-66.764.7-232.4-4.6-80.0261.4-4.1186.715.6-10.0-6.5-88.50.062.138.1-36.839.30.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value847830810702672646652544550556566423431436440407408410392374
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-03-312010-03-31
Value2570443150009400079810447117
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash



Period End2020-03-312019-03-312018-03-312017-03-31
Value987010281
Percentage of PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash100.0100.0100.0100.0

us-gaap:ProceedsFromDebtMaturingInMoreThanThreeMonths



Period End2020-03-312019-03-312018-03-31
Value174522656
Percentage of ProceedsFromDebtMaturingInMoreThanThreeMonths100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-30
Value86640535601900000000
Percentage of ProceedsFromDivestitureOfBusinesses100.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.00.00.0

us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, mmm:AdvancedBallisticProtectionBusiness



Period End2020-01-31
Value86
Percentage of ProceedsFromDivestitureOfBusinesses0.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value-36-17-7-6-22-28-2218-6-14-1736-77-43-18-2-33
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value462-4281581-68138-35-4-19081873-404466-6096191-130-2-1812-27
Percentage of ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value207369990351164
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value718311810419783534268810267423
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfTreasuryStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value149215219315357141309229154318267237269365738240293213378151
Percentage of ProceedsFromSaleOfTreasuryStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-312018-03-312017-03-31
Value100162166271
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-164-101-105-104-150-151-151-119-119-119-103-101-103-13414112488899291138144144143155153
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1621207-37-28-34-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-9.8-20.8-19.0-6.724.718.522.51.7

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-107-59-206-78-143-135-142-82-75-71-52-50-35-55-74-61
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-119-76-80-84-114-114-116-80-78-83-67-67-69-90-96-78
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax111.2128.838.8107.779.784.481.797.6104.0116.9128.8134.0197.1163.6129.7127.9

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1217166-29-21-26-2
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-11.2-28.8-7.8-7.720.315.618.32.4

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

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging, us-gaap:CostOfSales



Period End2020-03-312019-09-302019-06-302019-03-31
Value1822217
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:InterestExpense



Period End2020-03-312019-09-302019-06-30
Value-2-1-1
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent-11.1-4.5-4.8

us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ForeignExchangeContract, us-gaap:CostOfSales



Period End2020-03-312019-09-302019-03-31
Value18227
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:OtherOperatingIncomeExpense



Period End2020-03-312019-09-30
Value-2-1
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent-11.1-4.5

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging



Period End2020-03-312019-09-302019-06-302019-03-31
Value1621207
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent88.995.595.2100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-164-101-105-104-150-151-151-119-119-119-103-101-103-134-141-124-89
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent-911.1-459.1-500.0-1485.70.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1621207-37-28-34-2
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent88.995.595.2100.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-148-80-227-97-187-179-185-121-114-101-79-73-51-79-107-97-98
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent-822.2-363.6-1081.0-1385.70.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-45-25-25-20-36-37-35-39-41-36-36-34-34-44-45-46-30
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4441-8-7-8
Percentage of ReclassificationFromAociCurrentPeriodTax-8.9-16.0-16.0-5.022.218.922.9

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:PerformanceShares



Period End2020-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.02000.01682.04493.011897.02682.02533.027178.02359.04142.05359.06947.09569.011276.0433.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value16000.06000.012014.012924.012661.012372.012480.017744.018594.014949.04440.016629.015897.010315.08835.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0300.0714.3287.6106.4461.3492.765.3788.2360.982.9239.4166.191.52040.4

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares



Period End2020-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value231.34181.11159.53145.2722.709999999999994100.230.129999999999995456.85999999999999911.65000000000000690.80.8599999999999994-1.23999999999999490.4500000000000028491.270.009999999999990905
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value193.91171.27153.49136.397.359999999999999104.19-0.9799999999999898-2.42000000000000170.649999999999991599.980.389999999999986360.47000000000001310.1099999999999994389.850.18000000000000682
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue83.894.696.293.932.4104.0-753.8-35.35.6110.145.3-37.924.498.41800.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value153.02207.49231.34189.75159.34-0.1599999999999966159.320.4800000000000040.53000000000000111.0300000000000011122.850.54000000000000630.099999999999994320.439999999999997795.790.21999999999999886
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value157.29201.12233.61176.1148.220.0165.860.00.00.0126.790.00.00.0101.570.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue102.896.9101.092.893.0-0.0104.10.00.00.0103.20.00.00.0106.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value206000.0210000.0206000.0312173.0367428.0221.0323717.01.00.00.0277357.00.0358.00.0506725.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value000000000010001
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod268.4318.6296.6232.1235.413345.7287.7926500.00.00.0379.00.016426.00.0201.5

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3545485554054000350005200000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value881331501271332155142138171105363601023
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue251.4295.6312.5230.9246.30.0287.00.00.00.0394.30.00.00.0201.90.00.00.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value190.84162.16159.82124.6399.060.01000000000000511683.070.00.00.084.740.00.00.075.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value176.16147.9165.67127.57102.0-0.1499999999999914790.38-0.060000000000002274-0.199999999999988630.03000000000000113790.6-0.0099999999999909050.109999999999999430.0900000000000034179.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue92.391.2103.7102.4103.0-1500.0108.80.00.00.0106.90.00.00.0106.1

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value9823528328625310825817897197143118106123215577880674
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax

mmm:ForeignCurrencyDenominatedDebt, us-gaap:NetInvestmentHedging



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value15177-6492-14299-128-179-270-121-5594-144-24-55240233-54-18-9-47-52-24-41-34-4590-407685-35
Percentage of TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ForeignExchangeForward, us-gaap:NetInvestmentHedging



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value138-1015-323-6-9-7-20-1416-4319-5515738551
Percentage of TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax6.721.515.616.321.47.74.75.02.616.525.517.029.9-79.2100.065.416.3-101.9-5.6

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:NetInvestmentHedging



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value16215-74107-17322-134-188-277-141-69110-187-5-1103972711-17-9-35-52-24-41-34-4590-407685-35
Percentage of TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax106.7121.5115.6116.3121.4107.7104.7105.0102.6116.5125.5117.0129.920.8200.0165.4116.3-1.994.4100.074.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockReissuedAtLowerThanRepurchasePrice



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-153-72-150-219-94-86-227-87-180-324-133-255-362-69-143-312-233-155-306-269-237-269-366-741-240-293-267-214-39-111-376-380
Percentage of TreasuryStockReissuedAtLowerThanRepurchasePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2353294405716645467183434108210393411194331541051873121091031182955568150205626180163
Percentage of TreasuryStockReissuedAtLowerThanRepurchasePrice-153.6-44.4-62.7-184.9-75.5-76.7-200.0-77.0-101.7-134.0-81.2-82.4-108.6-59.4-83.2-138.8-66.1-67.7-61.1-116.0-46.0-38.3-32.2-39.8-22.9-23.2-56.2-95.8-15.4-23.4-47.9-42.9

us-gaap:TreasuryStockCommon



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value-388-104-244-624-165-152-681-154-363-758-241-465-755-110
Percentage of TreasuryStockReissuedAtLowerThanRepurchasePrice253.6144.4162.7284.9175.5176.7300.0177.0201.7234.0181.2182.4208.6159.4

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value3561414046661058159197239447567877183711631449178789612051283138217731607157012328077373166335348376696751138420
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStockCommon



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value3561414046661058159197239447567877183711631449
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityPublicFloat



Period End2020-01-312019-06-302019-01-312018-06-302018-01-312017-06-302017-01-312016-06-302016-01-312015-06-302015-01-312014-06-302014-01-312013-06-302013-01-312012-06-30
Value913009970011530011540014920012420010420010580091400964001030009280085000747006940061900
Percentage of EntityPublicFloat100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mmm:ShortTermBorrowingsAndCurrentPortionOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3248279519608921211
Percentage of ShortTermBorrowingsAndCurrentPortionOfLongTermDebt100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value602459075861581257555643559755505496535253025244518950615012496349164791473146854607437942774641454543754309424341794044399839543894376737253683359934683153
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1721619510388919410410510898109
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value-113-112-114-14-15
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value16-3117947
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax-14.227.7-14.9-64.3-313.3

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations



Period End2020-03-312019-12-312019-03-312018-12-312017-12-312016-12-31
Value425323532938285330532398
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtType

us-gaap:CommercialPaper

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value58515000435
Percentage of CommercialPaper100.0100.00.00.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value422430605603619617614512519513
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-09-302015-12-31
Value19247175181747914914155801341113539112941221112096110881080210678110798753
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-09-302015-12-31
Value20226184751857315715161321358613666114741265912535115671133711168119589101
Percentage of DebtInstrumentFairValue105.1105.5106.3105.4103.5101.3100.9101.6103.7103.6104.3105.0104.6107.9104.0

us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType, mmm:LongTermUSPensionSecurities

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:FundedPlan, country:US, us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit, mmm:AbsoluteReturn



Period End2020-12-31
Value0.16
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0

us-gaap:FundedPlan, country:US, us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit, mmm:PrivateEquitySecurities



Period End2020-12-31
Value0.14
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage87.5

us-gaap:FundedPlan, country:US, us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit, us-gaap:EquitySecurities



Period End2020-12-31
Value0.23
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage143.8

us-gaap:FundedPlan, country:US, us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit, us-gaap:FixedIncomeSecurities



Period End2020-12-31
Value0.47
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage293.8

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetFairValueGrossLiability

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1214942393845592627343560393874863728573820273329513025
Percentage of DerivativeAssetFairValueGrossLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value20514222714017114613813052787790175259131243170296368365561256198707684891039372801337913511446617779
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value946412867887451465712114210723567214820417931011681121724585458394082
Percentage of DerivativeFairValueOfDerivativeAsset45.945.156.447.951.550.737.035.49.69.015.612.224.041.317.623.042.450.055.449.055.345.340.917.122.428.665.252.462.454.250.060.7

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value281196111421221630192352413194196353921186668404851193415101425
Percentage of DerivativeFairValueOfDerivativeAsset13.77.74.04.36.49.615.216.930.838.524.725.629.715.823.738.711.221.314.425.221.025.834.357.163.260.721.333.016.113.917.518.5

us-gaap:OtherNoncurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value65507046533941421120243257862835266171731004726
Percentage of DerivativeFairValueOfDerivativeAsset31.735.230.832.931.026.729.732.321.225.631.235.632.633.221.414.415.320.619.320.017.818.413.1

us-gaap:OtherNoncurrentAssets, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value181720211919252020212222222549585324402031272317981223
Percentage of DerivativeFairValueOfDerivativeAsset8.812.08.815.011.113.018.115.438.526.928.624.412.69.737.423.931.28.110.95.55.510.511.624.311.89.513.531.9

us-gaap:DerivativeInstrumentRisk

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value20514222714017114613813052787790174259131243170296368365561256198697483771029167
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.697.498.886.599.097.893.1

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value187125207119152127113110325755661512348218511727232834552922900000000059722
Percentage of DerivativeFairValueOfDerivativeAsset91.288.091.285.088.987.081.984.661.573.171.473.386.390.362.676.168.891.989.194.594.389.50.00.00.00.00.00.00.00.00.06.36.76.14.32.6

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1817202119192520202122242425495853244020312723179812151823252728312939
Percentage of DerivativeFairValueOfDerivativeAsset8.812.08.815.011.113.018.115.438.526.928.626.713.79.737.423.931.28.110.95.55.510.511.624.311.89.513.514.619.431.931.234.220.727.263.050.6

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value187125207119152127113110325755661512348218511727232822917575
Percentage of DerivativeFairValueOfDerivativeAsset91.288.091.285.088.987.081.984.661.573.171.473.386.390.362.676.168.891.989.189.588.489.3

us-gaap:InterestRateSwap, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value1817202119192520202122242425495853244027238
Percentage of DerivativeFairValueOfDerivativeAsset8.812.08.815.011.113.018.115.438.526.928.626.713.79.737.423.931.28.110.910.511.69.5

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1771312181341601321171083648586712321810014915123331527244119013030283370697862669861110964165
Percentage of DerivativeFairValueOfDerivativeAsset86.392.396.095.793.690.484.883.169.261.575.374.470.384.276.361.388.878.785.674.578.674.265.742.936.839.378.767.083.986.182.573.777.281.584.289.184.4

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value281196111421221630192352413194196353931206668404851193415101435182518512
Percentage of DerivativeFairValueOfDerivativeAsset13.77.74.04.36.49.615.216.930.838.524.725.629.715.823.738.711.221.314.425.521.425.834.357.163.260.721.333.016.113.917.526.322.818.515.810.915.6

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value19312821898132108937126514355115220931698425934030852323617137473359696747
Percentage of DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value19312821898132108937126514355114220931698425934030852323617136453247686542
Percentage of DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.395.797.079.798.697.089.4

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2220148556531111172381971821938395150191156698881734364575611070588610672425449461151038794
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2921411122221122109804237971548314446242320355485
Percentage of DerivativeFairValueOfDerivativeLiability9.145.014.316.519.622.619.817.951.355.344.021.844.69.547.328.353.220.34.54.98.24.76.240.435.731.877.180.2

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value198109126626633254711829823697465179716233463136681420
Percentage of DerivativeFairValueOfDerivativeLiability86.440.071.410.621.411.355.956.413.912.725.861.134.986.324.050.829.573.989.887.784.976.771.954.464.361.820.018.9

us-gaap:OtherNoncurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value131314111363565227123433526343010
Percentage of DerivativeFairValueOfDerivativeLiability4.515.07.13.51.87.59.911.126.528.428.614.014.53.228.718.316.74.34.53.70.02.30.0

us-gaap:DerivativeInstrumentRisk

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value22201485565311111523819718218977931371801566481756836615755110705180106
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.098.3100.0100.0100.097.992.897.991.394.2100.092.892.092.693.283.795.3100.098.2100.0100.087.993.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value22201326242295100218190179187789415018615568877969360000000110
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.092.930.642.941.585.685.591.696.498.496.994.098.9100.097.499.498.698.997.594.583.70.00.00.00.00.00.00.00.91.40.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-31
Value22201326242295100218190179187789415018615568873650103
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.092.930.642.941.585.685.591.696.498.496.994.098.9100.097.499.498.698.983.778.193.6

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value31247644474951205172135755413114941101887610182620425634618655394341356453
Percentage of DerivativeFairValueOfDerivativeLiability13.660.028.689.478.688.744.143.686.187.374.238.965.113.776.049.270.526.19.18.68.223.328.145.635.738.280.058.670.981.176.492.979.683.776.155.760.9

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1981091266266332547118298236974651807467334631366814242520173118115134
Percentage of DerivativeFairValueOfDerivativeLiability86.440.071.410.621.411.355.956.413.912.725.861.134.986.324.050.829.573.990.991.491.876.771.954.464.361.820.041.429.118.923.67.120.416.323.944.339.1

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1065431715665821217014815823561121177032602435233724275940246081
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value106543171566562121701481541754991067027531830163424265940175481
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.096.6100.0100.0100.097.573.996.488.490.6100.084.488.375.085.769.691.9100.096.3100.0100.070.890.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilityFairValueGrossAsset

mmm:DerivativesSubjectToMasterNettingAgreements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1214942393845592627343560393874863728573820273329513025
Percentage of DerivativeLiabilityFairValueGrossAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNotionalAmount

mmm:CurrentBalanceSheetLocation, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value1919199522352277
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

mmm:CurrentBalanceSheetLocation, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-12-31
Value2601268419312484
Percentage of DerivativeNotionalAmount135.5134.586.4109.1

mmm:CurrentBalanceSheetLocation, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value5005005001000
Percentage of DerivativeNotionalAmount26.125.122.443.9

mmm:NoncurrentBalanceSheetLocation, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value939104111101099
Percentage of DerivativeNotionalAmount48.952.249.748.3

mmm:NoncurrentBalanceSheetLocation, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302018-12-31
Value6036036031403
Percentage of DerivativeNotionalAmount31.430.227.061.6

us-gaap:DerivativeInstrumentRisk

us-gaap:TreasuryLock



Period End2020-03-31
Value500
Percentage of DerivativeNotionalAmount26.1

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ForeignExchangeForward, us-gaap:NetInvestmentHedging



Period End2020-03-312019-12-312019-09-30
Value200200150
Percentage of DerivativeNotionalAmount10.410.06.7

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations



Period End2020-03-312019-12-312018-03-312017-12-312017-09-302017-06-302016-12-31
Value20302752705050270
Percentage of DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventoryCurrent

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations



Period End2020-03-312019-12-31
Value6070
Percentage of DisposalGroupIncludingDiscontinuedOperationInventoryCurrent100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations



Period End2020-03-312019-12-312017-12-312016-12-31
Value1351502025
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value523702669604517749783646563870856666532678729580468644684582446732728656491708688589466701684593473676654586479778680
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1076279971176684102123678510412569871051266986104123597389106516479945467
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value40162027301831436025364251162227421725374922263540142027331116
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized37.425.825.327.825.627.336.942.248.837.342.440.440.823.225.325.733.324.629.135.639.837.335.639.337.727.531.234.235.120.423.9

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-30
Value13272901091297492110131789311213381100120141841021221408493110128779411212895
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized123.4116.1113.9112.4110.3112.1109.5107.8106.5116.4109.4107.7106.4117.4114.9114.3111.9121.7118.6117.3113.8142.4127.4123.6120.8151.0146.9141.8136.2141.8

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:Investments



Period End2020-03-312019-12-312019-09-30
Value182522
Percentage of EquitySecuritiesFvNi100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:Investments



Period End2020-03-312019-12-312019-09-30
Value182522
Percentage of EquitySecuritiesFvNi100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value37464949494030303030202020201818181215151515121212111010776454587767651
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value258925202371231922452182212921702143207320632000206020051969190418511785175816981639164616171593153614881430135712991254117611141075109110711028946872772
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value11971180110710751034998966931912874865818824797773737706668659630599597577563514
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization46.246.846.746.446.145.745.442.942.642.241.940.940.039.839.338.738.137.437.537.136.536.335.735.334.5

us-gaap:OtherIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value9090898988888616416616216717317617317217117216916916816816716616610701030982922874833783717
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.53.63.83.83.94.04.07.67.77.88.18.78.58.68.79.09.39.59.69.910.310.110.310.469.769.268.767.967.366.466.665.7

us-gaap:Patents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value500499493494489487486491496489500494506497496489484481477468457472473474466458448435425421393374
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization19.319.820.821.321.822.322.822.623.123.624.224.724.624.825.225.726.126.927.127.627.928.729.329.830.330.831.332.132.733.633.434.3

us-gaap:TechnologyBasedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value470435382368350333323312304292293284315302293279267252239228218215210203179
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization18.217.316.115.915.615.315.214.414.214.114.214.215.315.114.914.714.414.113.613.413.313.113.012.712.0

us-gaap:TrademarksAndTradeNames



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value332316300293284276268272265256238231239236235228222215214204197195191187178
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization12.812.512.712.612.712.612.612.512.412.311.511.611.611.811.912.012.012.012.212.012.011.811.811.712.0

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value81488261458346424653419842124314437643613592356136963696375337443762375142742937292029583008306730383047304630173014305229002835281530072897292328222567
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value4222431625252565257722912301230223412332192419001935193919771974198519732063135213391348137514091411
Percentage of FiniteLivedIntangibleAssetsGross51.852.255.155.355.454.654.653.453.553.553.653.452.452.552.752.752.852.648.346.045.945.645.745.946.3

us-gaap:OtherIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value12312512212512512512520420820721120921321121421421821623022222422122322524362445244724242423245623382323
Percentage of FiniteLivedIntangibleAssetsGross1.51.52.72.72.73.03.04.74.84.75.95.95.85.75.75.75.85.85.47.67.77.57.47.380.280.280.380.380.480.580.677.3

us-gaap:Patents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value535538536540539542544554564561586585604602608607610616620563561581590601602602599593591596562561
Percentage of FiniteLivedIntangibleAssetsGross6.66.511.711.611.612.912.912.812.912.916.316.416.316.316.216.216.216.414.519.219.219.619.619.619.819.819.719.719.619.519.418.7

us-gaap:TechnologyBasedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value20932124727738738576578578584583478475527524529525526525527402400407415422406
Percentage of FiniteLivedIntangibleAssetsGross25.725.715.915.915.913.713.713.413.313.413.313.314.314.214.114.014.014.012.313.713.713.813.813.813.3

us-gaap:TrademarksAndTradeNames



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value11751158673674674664664676679678393392417420425424423421834398396401405410411
Percentage of FiniteLivedIntangibleAssetsGross14.414.014.714.514.515.815.815.715.515.510.911.011.311.411.311.311.211.219.513.613.613.613.513.413.5

us-gaap:HedgedLiabilityFairValueHedge



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value127612741270128418701872
Percentage of HedgedLiabilityFairValueHedge100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

mmm:ShortTermBorrowingsAndCurrentPortionOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-03-312018-12-31
Value500499499598596
Percentage of HedgedLiabilityFairValueHedge39.239.239.332.031.8

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value776775771128412721276
Percentage of HedgedLiabilityFairValueHedge60.860.860.7100.068.068.2

us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value242225261914
Percentage of HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value242226262018
Percentage of HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease100.0100.0104.0100.0105.3128.6

us-gaap:IndefiniteLivedTradeNames



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value632638635641639641643643652648646640633629638637640635116116115123125129129129129126125127123121125123126130128125129
Percentage of IndefiniteLivedTradeNames100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:InsuranceSettlementsReceivable

mmm:EnvironmentalRemediationRegulatoryActivitiesAndLitigation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value35333333331515151515151515
Percentage of InsuranceSettlementsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mmm:RespiratorMaskAsbestosLitigation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value4444444444444444393939414141414753586778808789136124121119121121122143193
Percentage of InsuranceSettlementsReceivable11.412.112.112.112.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0273.3313.3353.3386.7446.7520.0533.3580.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InventoryWorkInProcess



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1214119412311348133312921350129213131218116411451078103911571165115710081061113211161081116712201170113912131222117911861163109511121061108811071033950815
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationCase

us-gaap:LossContingencyAccrualAtCarryingValue

mmm:ProductLiabilityBairHugger



Period End2020-03-31
Value0.0
Percentage of LossContingencyAccrualAtCarryingValue0.0

us-gaap:LossContingenciesByNatureOfContingency

mmm:EnvironmentalMattersOtherPfcRelatedEnvironmentalLitigation



Period End2020-03-31
Value407
Percentage of LossContingencyAccrualAtCarryingValue0.0

mmm:EnvironmentalRemediationRegulatoryActivitiesAndLitigation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value000004445464849525557
Percentage of LossContingencyAccrualAtCarryingValue0.00.00.00.00.00.00.00.00.00.00.00.00.0

mmm:RespiratorMaskAsbestosLitigation



Period End2020-03-312019-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value589620175153148152156157160154163160133130105113123126138140
Percentage of LossContingencyAccrualAtCarryingValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mmm:RespiratorMaskAsbestosLitigationAearo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5850242728282929293018181919192021212222232424242425262728282829293030313132
Percentage of LossContingencyAccrualAtCarryingValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EnvironmentalRemediation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value21192022252529
Percentage of LossContingencyAccrualAtCarryingValue0.00.00.00.00.00.00.0

us-gaap:LitigationCase, us-gaap:StatementGeographical

us-gaap:LossContingencyPendingClaimsNumber

mmm:ProductLiabilityBairHugger, mmm:MultidistrictLitigation



Period End2020-03-312019-12-31
Value14.015.0
Percentage of LossContingencyPendingClaimsNumber100.0100.0

mmm:ProductLiabilityBairHuggerAndMedicalMalpracticeClaims, mmm:HidalgoCountyTexas



Period End2020-02-29
Value1.0
Percentage of LossContingencyPendingClaimsNumber0.0

mmm:ProductLiabilityBairHuggerAndMedicalMalpracticeClaims, mmm:JacksonCountyMissouri



Period End2020-02-29
Value2.0
Percentage of LossContingencyPendingClaimsNumber0.0

us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

mmm:VariousStateCourts, mmm:EnvironmentalMattersAqueousFilmFormingFoamLitigation



Period End2020-03-312019-12-312019-09-30
Value5.05.06.0
Percentage of LossContingencyPendingClaimsNumber35.733.30.0

us-gaap:MarketableSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value258141761855854173654116311103235719291555164516411569
Percentage of MarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6102734101031315976
Percentage of MarketableSecurities2.37.135.518.41.72.48.57.59.46.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19485102510366304347495899
Percentage of MarketableSecurities75.260.355.187.287.883.384.478.481.5

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-31
Value21
Percentage of MarketableSecurities8.1

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value37464949494030303030
Percentage of MarketableSecurities14.332.664.526.58.49.68.27.34.82.7

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6102734101031315976
Percentage of MarketableSecurities2.37.135.518.41.72.48.57.59.46.9

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19485102510366304347495899
Percentage of MarketableSecurities75.260.355.187.287.883.384.478.481.5

us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value58464949494030303030
Percentage of MarketableSecurities22.532.664.526.58.49.68.27.34.82.7

us-gaap:MarketableSecuritiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2249830139539380338385604107614611486114812851101744
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CertificatesOfDeposit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6102734101031315976
Percentage of MarketableSecuritiesCurrent2.710.290.024.51.92.69.28.19.87.1

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19485102510366304347495899
Percentage of MarketableSecuritiesCurrent86.686.773.494.696.389.990.182.083.6

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value24333333433
Percentage of MarketableSecuritiesCurrent10.73.110.02.20.60.80.91.00.50.3

us-gaap:MarketableSecuritiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value34434646463727262727896443407360540825
Percentage of MarketableSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value34434646463727262727
Percentage of MarketableSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value244247241247255
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value603607584619531
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value604704717949713741745713832937821
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:RestructuringReserve

us-gaap:EmployeeSeverance, mmm:RestructuringActions2019



Period End2020-03-312019-12-312019-09-302019-06-30
Value1241401766
Percentage of RestructuringReserve100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-312009-12-31
Value0000000000000000000001000000011000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value111110111112222222222222233333344
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber397.9354.3388.1395.9425.4318.3316.3288.7278.5290.7312.4340.6323.2332.9353.4364.1325.0280.2276.9268.4261.7256.2293.8294.8337.3346.7349.6364.4372.0299.5308.0552.9632.7

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-312009-12-31
Value187.5205.58205.34205.26204.5188.96189.19190.52191.02171.9171.52170.63170.77142.98142.18141.44143.41120.89120.84121.81121.59102.65101.34101.2899.5888.1287.8687.7287.6579.2779.1878.5573.990.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value190.55201.11200.12200.13200.17180.02180.11180.22179.55162.6161.9161.84160.94145.64145.27143.95143.67127.47127.3126.5125.84104.41103.31102.89102.6292.3192.1692.0491.8185.1784.8573.0268.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue101.697.897.597.597.995.395.294.694.094.694.494.894.2101.9102.2101.8100.2105.4105.3103.9103.5101.7101.9101.6103.1104.8104.9104.9104.7107.4107.293.092.9

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value10209101261076410142975798481031110428110391162212202116441104010343120481193711774117471222413130139521314216206178461792417948182521831918528180401814116873166191586217412177421688716017158331426313851133021030412072
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-8414-8139-7388-7272-7552-6866-6968-7019-6803-7026-6913-6989-6949-7245-6146-6184-6261-6359-6467-6233-6321-6289-4108-3666-3841-3913-4810-5166-5001-4750-4548-5012-4785-5025-3339-2961-3237-3543-3366-4016-3747-3754-3646-747
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-82.4-80.4-68.6-71.7-77.4-69.7-67.6-67.3-61.6-60.5-56.7-60.0-62.9-70.0-51.0-51.8-53.2-54.1-52.9-47.5-45.3-47.9-25.3-20.5-21.4-21.8-26.4-28.2-27.0-26.3-25.1-29.7-28.8-31.7-19.2-16.7-19.2-22.1-21.3-28.2-27.1-28.2-35.4-6.2

us-gaap:CommonStockIncludingAdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value60335916587058215764565256065559550553615311525351985070502149724925480047404694461643884286465045544384431842524188405340073963390337763734369236083477339033453269316230152798
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest59.158.454.557.459.157.454.453.349.946.143.545.147.149.041.741.741.840.938.835.833.133.426.426.125.424.423.723.222.622.522.123.523.523.821.420.821.421.721.423.523.623.829.323.2

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6263625954526363625956535145464341393837353333492476446456443446465497467437442444412393354329292285538424325
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.60.60.60.60.50.60.60.60.50.50.50.50.40.40.40.30.30.30.30.30.30.22.82.72.52.52.42.42.62.72.82.62.82.52.32.32.22.12.02.14.04.12.7

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4234542135420854136241159406364012039442384533911539454387933809437907377453719436785365753623535615350803431734484338363331232416324123171631073306793015029465288582834827784271102652125995254932478824231237532222720295
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest414.8416.1391.0407.8421.8412.6389.1378.2348.3336.6323.3333.2345.1366.5313.3311.6312.4311.4296.4271.2251.4261.1212.8189.6185.9180.6177.6173.1167.7170.1166.2174.6173.6178.7159.6152.8157.0162.3161.0173.8174.9178.6215.7168.1

us-gaap:TreasuryStockCommon



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value-29817-29849-29865-29828-29668-29626-28510-27617-26178-25887-25706-25466-25354-25434-24618-24088-23716-23308-22322-20983-19307-15385
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-292.1-294.8-277.5-294.1-304.1-300.8-276.5-264.8-237.1-222.7-210.7-218.7-229.7-245.9-204.3-201.8-201.4-198.4-182.6-159.8-146.9-85.7

us-gaap:TreasuryStockCommonShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value368368368944367367361357350349348347346347342334308280
Percentage of TreasuryStockCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value29817298492986529828296682962628510276172617825887257062546625354254342461823308
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value11071178736718679655584493518526384370348333356383375369279232268265238202192262269190198185210242246295319355358394425334
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems


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


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


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


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


us-gaap:Revenues us-gaap:ConsolidationItems


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


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems


us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument