DOW


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

Table of contents



us-gaap:CommonStockValue
dei:LegalEntity
us-gaap:CommonStockParOrStatedValuePerShare
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:CostOfGoodsAndServicesSold
dei:LegalEntity

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
dei:LegalEntity
dei:LegalEntity, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:IncomeStatementLocation
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation
us-gaap:StatementBusinessSegments

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

us-gaap:GrossProfit
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperations
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity
us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:InterestExpenseDebt
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
dei:LegalEntity
us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:OtherNonoperatingIncomeExpense
us-gaap:IncomeStatementLocation

us-gaap:ProfitLoss
dei:LegalEntity

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
dei:LegalEntity

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:Revenues
dow:BusinessGroup, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense
dei:LegalEntity

us-gaap:Assets
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities
us-gaap:Liabilities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity
dei:LegalEntity

us-gaap:AssetsCurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:AccountsReceivableNetCurrent
dei:LegalEntity

us-gaap:InventoryNet
dei:LegalEntity

us-gaap:InventoryFinishedGoods

us-gaap:InventoryLIFOReserve

us-gaap:OtherAssetsCurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:AssetsNoncurrent

us-gaap:PropertyPlantAndEquipmentGross
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets
dei:LegalEntity
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:PropertyPlantAndEquipmentNet
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:StatementGeographical

us-gaap:Goodwill
dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill
dei:LegalEntity

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity

us-gaap:OtherAssetsNoncurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:LitigationCase
us-gaap:OtherAssets

us-gaap:AccruedIncomeTaxesCurrent
dei:LegalEntity

us-gaap:AccruedLiabilitiesCurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:NotesPayableCurrent
dei:LegalEntity

us-gaap:OperatingLeaseLiabilityCurrent
dei:LegalEntity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:LiabilitiesNoncurrent

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

us-gaap:LongTermDebtAndCapitalLeaseObligations
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity
us-gaap:BalanceSheetLocation

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
dei:LegalEntity
us-gaap:RetirementPlanType

us-gaap:MinorityInterest
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:OtherLiabilitiesNoncurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityNoncurrent
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital
dei:LegalEntity

us-gaap:AdditionalPaidInCapitalCommonStock
dei:LegalEntity

us-gaap:RetainedEarningsAccumulatedDeficit
dei:LegalEntity

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest
dei:LegalEntity
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:DeferredIncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsPayable
dei:LegalEntity

us-gaap:IncreaseDecreaseInInventories
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:PaymentsToAcquireProductiveAssets
dei:LegalEntity

us-gaap:PaymentsToAcquireInvestments
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument

us-gaap:PaymentsOfDividendsCommonStock
dei:LegalEntity

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt
dei:LegalEntity

dei:EntityListingParValuePerShare
dei:LegalEntity

dow:BusinessCombinationIntegrationAndSeparationRelatedCosts
dei:LegalEntity

dow:Chargesrelatedtoseparationdistributionandtaxmattersagreements
us-gaap:IncomeStatementLocation
us-gaap:StatementBusinessSegments
us-gaap:RetirementPlanType
dow:DefinedBenefitPlanNetPeriodicBenefitCostCreditIncludingDiscontinuedOperations

dow:DigitalizationProgramCosts
us-gaap:StatementBusinessSegments

dow:DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates
dei:LegalEntity

dow:DividendsPaidtoaJointVentureNotIncludedinDistributionstoNCI

dow:EquitySecuritiesNetUnrealizedGainLoss

dow:FinanceLeaseCost
us-gaap:LitigationCase, us-gaap:IncomeStatementLocation
dow:GainOnIndirectTaxContingenciesRealized

dow:InvestmentsInAndLoansToNonconsolidatedAffiliates
dei:LegalEntity
us-gaap:StatementEquityComponents
dow:NoncontrollingInterestIncreaseDecreaseFromOtherActivity

dow:OperatingEBIT
us-gaap:StatementBusinessSegments

dow:RestructuringImplementationCosts
us-gaap:StatementBusinessSegments

dow:RevenuePercentagefromProductsandServiceTransferredtoCustomers
us-gaap:GranteeStatus, us-gaap:PlanName
dow:RightToPurchaseSharesSubscribedByEmployees
us-gaap:StatementEquityComponents
dow:StockIssuedDuringPeriodValueNewIssuesandTreasuryStockReissued
dei:LegalEntity, us-gaap:StatementEquityComponents
dow:StockIssuedDuringPeriodValueParentCompanyStockDowInc
us-gaap:StatementEquityComponents
dow:TransferofBusinessUnderCommonControl

us-gaap:AssetImpairmentCharges
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:BusinessCombinationIntegrationRelatedCosts
us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:CashDividendsPaidToParentCompany
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanActuarialGainLoss
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
dei:LegalEntity
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:IncomeStatementLocation
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent
us-gaap:RetirementPlanType

us-gaap:Depreciation
dei:LegalEntity

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativesUsedInNetInvestmentHedgeGainLossReclassifiedToEarningsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization
dei:LegalEntity
us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:IncomeStatementLocation

us-gaap:GainLossOnDispositionOfAssets1
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnOilAndGasHedgingActivity
us-gaap:HedgingDesignation
dei:LegalEntity
us-gaap:GainLossOnSaleOfOtherAssets
us-gaap:IncomeStatementLocation

us-gaap:GainLossRelatedToLitigationSettlement
us-gaap:LitigationCase
us-gaap:LitigationCase, us-gaap:IncomeStatementLocation
us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable
dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:IncreaseDecreaseInPensionPlanObligations

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeOther
dei:LegalEntity

us-gaap:LeaseCost
dei:LegalEntity, us-gaap:LitigationCase
us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
dei:LegalEntity, us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:IncomeStatementLocation

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
dei:LegalEntity

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation
us-gaap:DebtInstrument
us-gaap:NotesIssued1

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:OtherComprehensiveIncomeLocation
us-gaap:HedgingDesignation

us-gaap:OtherNoncashIncomeExpense
dei:LegalEntity

us-gaap:OtherNonrecurringIncomeExpense
us-gaap:StatementBusinessSegments
us-gaap:EnvironmentalRemediationSite
us-gaap:PaymentsForLegalSettlements

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity
dei:LegalEntity, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan

us-gaap:PaymentsOfDividendsMinorityInterest
dei:LegalEntity

us-gaap:PaymentsOfFinancingCosts
dei:LegalEntity

us-gaap:PaymentsOfOrdinaryDividends
dei:LegalEntity

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
dei:LegalEntity

us-gaap:PaymentsToAcquireEquipmentOnLease
dei:LegalEntity

us-gaap:PaymentsToAcquireMachineryAndEquipment
dei:LegalEntity

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties
dei:LegalEntity

us-gaap:PensionAndOtherPostretirementBenefitContributions
dei:LegalEntity

us-gaap:PensionAndOtherPostretirementBenefitExpense
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfCommonStock
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
dei:LegalEntity

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments
dei:LegalEntity

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets
dei:LegalEntity
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
dei:LegalEntity
us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:StatementEquityComponents
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt
us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities
dei:LegalEntity
us-gaap:DebtInstrument
us-gaap:RepaymentsOfNotesPayable

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths
dei:LegalEntity

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringPlan
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:RestructuringCostsAndAssetImpairmentCharges
dei:LegalEntity
dei:LegalEntity, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringReserveAccrualAdjustment1
dei:LegalEntity, us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringPlan
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringReserveSettledWithoutCash2
us-gaap:RestructuringPlan

us-gaap:RestructuringSettlementAndImpairmentProvisions
dei:LegalEntity
dei:LegalEntity, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
dei:LegalEntity, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:RestructuringPlan
us-gaap:NatureOfExpense, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:NatureOfExpense, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringPlan
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent

us-gaap:ShortTermLeaseCost
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:VariableLeaseCost

dei:EntityCommonStockSharesOutstanding

dow:AsbestosRelatedLiabilitiesNoncurrent
dei:LegalEntity

dow:AsbestosRelatedLiabilityFutureClaimsPercentage
dei:LegalEntity, us-gaap:LossContingenciesByNatureOfContingency

dow:AsbestosRelatedLiabilityPendingClaimsPercentage
dei:LegalEntity, us-gaap:LossContingenciesByNatureOfContingency

dow:AssetRetirementObligationDiscountRate

dow:AvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGainCurrentbeforeTax

dow:AvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLossCurrentbeforeTax

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us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherInventorySupplies

us-gaap:OtherInvestmentsAndSecuritiesAtCost

us-gaap:OtherLongTermInvestments
dei:LegalEntity

us-gaap:OtherReceivablesNetCurrent
dei:LegalEntity
us-gaap:DebtInstrument
us-gaap:OtherShortTermBorrowings
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PercentageOfFIFOInventory

us-gaap:PercentageOfLIFOInventory

us-gaap:PercentageOfWeightedAverageCostInventory

us-gaap:PostemploymentBenefitsLiabilityNoncurrent
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk
us-gaap:PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months
dei:LegalEntity, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RatioOfIndebtednessToNetCapital1

us-gaap:RestrictedCashAndCashEquivalents
dei:LegalEntity
us-gaap:BalanceSheetLocation, us-gaap:RestructuringPlan
us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:ProductOrService
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:Range
us-gaap:SharePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBankLoansAndNotesPayable
dei:LegalEntity

us-gaap:ShortTermBorrowings
us-gaap:ShortTermDebtType

us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TreasuryStockShares

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnearnedESOPShares
dei:LegalEntity
us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense Debt
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Current Liabilities
Short Term Borrowings
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Finished Goods
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:CommonStockValue ███████▇▇▁▁8.08.08.08.08.08.08.07.07.00.00.0NANANA
 us-gaap:CommonStockParOrStatedValuePerShare dei:LegalEntity dow:TheDowChemicalCompanyDomainNA1e-081e-081e-081e-081e-081e-081e-081e-08NA1e-08NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA755.993198NANANA751.228644NANANA0.0001NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:TreasuryStockNANA12.803303NANANA9.729834NANANA0.0NANANA
us-gaap:CommonStockSharesIssued █████████▁▁761.524466759.792745755.993198754.555065753.924753753.534116751.228644749.457637749.0257620.00010.0001NANANA
us-gaap:CommonStockSharesAuthorized █████████▁▁5000.05000.05000.05000.05000.05000.05000.05000.05000.00.00010.0001NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁752.9749.8NA740.5739.3742.0NA743.0747.9747.2NA747.2747.2NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁747.0744.8NA740.5739.3740.2NA739.8742.8747.2NA747.2747.2NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█3.85.9NA26.927.715.5NA12.96.40.0NA0.00.0NA
us-gaap:EarningsPerShareBasic █▇▇▅▄▅▁▅▅▆▆▇▇2.531.321.66-0.04-0.310.32-3.130.450.10.741.19000000000000041.361.78NA
us-gaap:EarningsPerShareDiluted █▇▇▅▄▅▁▅▅▆▆▇▇2.511.321.66-0.04-0.310.32-3.130.450.10.741.19000000000000041.361.78NA
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare █▇▇▅▄▅▁▅▅▅▆▆▆▆2.53e-061.32e-061.66e-06-4e-08-3.1e-073.2e-07-3.14e-064.5000000000000003e-071.0000000000000001e-071.6e-076.3e-079.100000000000001e-071.0500000000000001e-061.21e-06
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare █▇▇▅▅▅▁▅▅▅▆▆▆▆2.5099999999999997e-061.32e-061.6499999999999999e-06-4e-08-3.1e-073.2e-07-3.14e-064.5000000000000003e-071.0000000000000001e-071.6e-076.3e-079.100000000000001e-071.0500000000000001e-061.21e-06
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 COGS Ratio dei:LegalEntity dow:TheDowChemicalCompany13885.0NANANA8354.0NANANANANANANANANA
 COGS Ratio dei:LegalEntity dow:TheDowChemicalCompanyDomainNA11882.010706.09712.08354.09770.010204.010764.011014.010969.011944.012634.012789.0NA
 EBT Margin dei:LegalEntity dow:TheDowChemicalCompanyDomainNA11882.0NA9712.08354.09770.010204.010764.011014.010969.011944.012634.012789.0NA
 Gross Margin dei:LegalEntity dow:TheDowChemicalCompanyDomainNANA10706.09712.08354.09770.010204.010764.011014.010969.0NANANANA
 Net profit Margin dei:LegalEntity dow:TheDowChemicalCompanyDomainNA11882.010706.09712.08354.09770.010204.010764.011014.010969.011944.012634.012789.0NA
 SG&A Ratio dei:LegalEntity dow:TheDowChemicalCompany13885.0NANANA8354.0NANANANANANANANANA
 SG&A Ratio dei:LegalEntity dow:TheDowChemicalCompanyDomainNA11882.0NA9712.08354.09770.010204.010764.011014.010969.011944.012634.012789.0NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 TTM Greenblatt ROC _ _█▆▇▄▄▅▁▅▅▆▅2456.01323.01816.042.0-183.0396.0-2196.0437.0215.0858.0545.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:ComprehensiveIncomeNetOfTax ██▆▆▅▅▁▅▅▆▅▇▇█2138.01933.0322.0259.079.0-44.0-3357.0109.071.0637.0145.01259.01123.01832.0
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▅▃▄▄▂▄▄▂▄█▆▅▁▅31.015.018.024.08.019.020.07.021.051.039.031.0-1.028.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ██▆▆▅▅▁▅▅▆▅▇▇█2169.01948.0340.0283.087.0-25.0-3337.0116.092.0688.0184.01290.01122.01860.0
us-gaap:CostOfGoodsAndServicesSold ▇▅▄▂▁▂▃▄▄▆▅▆▆█10740.010062.09135.08371.07610.08230.08718.09377.09420.010707.010098.010456.010540.011552.0
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal NANA497.0220.0NANA-5.00.0-44.0NA-20.00.00.0NA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal dei:LegalEntity dow:TheDowChemicalCompanyDomainNANANA-13.0NANA-7.0-5.0NANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal dei:LegalEntity,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations dow:TheDowChemicalCompanyDomain,dow:RailInfrastructureNANANA233.0NANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations dow:RailInfrastructureOperationsAndAssetsNANANA233.0NANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations,us-gaap:IncomeStatementLocation dow:RailInfrastructure,us-gaap:NonoperatingIncomeExpenseNANA266.0233.0NANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations,us-gaap:StatementBusinessSegments dow:RailInfrastructureOperationsAndAssets,dow:PackagingSpecialtyPlasticsNANANA48.0NANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations,us-gaap:StatementBusinessSegments dow:RailInfrastructureOperationsAndAssets,us-gaap:CorporateNANANA185.0NANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementLocation us-gaap:NonoperatingIncomeExpenseNANA-2.0-13.0NANA-5.0NANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:StatementBusinessSegments dow:PackagingSpecialtyPlasticsNANA17.035.0NANA0.00.00.0NA0.00.00.0NA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:StatementBusinessSegments us-gaap:CorporateNANA419.0185.0NANA0.00.0-44.0NA0.00.00.0NA
us-gaap:GainsLossesOnExtinguishmentOfDebt -102.0NA0.0-63.00.0-86.0-58.00.0-44.0NA-48.0-6.0NANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity dow:TheDowChemicalCompany102.0NANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity dow:TheDowChemicalCompanyDomainNANANA63.0NA86.0-146.0NANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:IncomeStatementLocation dow:A315PercentNotesDue2024And350PercentNotesDue2024,dow:SundryIncomeExpenseNet101.0NANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:IncomeStatementLocation dow:InterNotesRedeemedVariousMaturities,dow:SundryIncomeExpenseNet1.0NA0.01.00.01.0NANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:IncomeStatementLocation us-gaap:DebtSecurities,dow:SundryIncomeExpenseNetNANANA62.0NANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:IncomeStatementLocation us-gaap:NonoperatingIncomeExpense102.0NANA63.00.086.0NANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:StatementBusinessSegments us-gaap:Corporate-102.0NA0.0-63.00.0-86.0-58.00.0-44.0NA-48.0-6.0NANA
us-gaap:GrossProfit NANA1571.01341.0744.01540.01486.01387.01594.01827.01846.02178.02249.02257.0
 us-gaap:GrossProfit dei:LegalEntity dow:TheDowChemicalCompanyDomainNANA1572.01341.0746.01540.01485.01387.01595.01827.0NANANANA
us-gaap:IncomeLossFromContinuingOperations █▆▇▅▄▅▁▅▅▅▆▆▆▆1932.01006.01254.0-1.0-217.0258.0-2310.0347.090.0156.0491.0714.0810.0925.0
us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity NANANA24.08.019.0NA14.015.032.0NA32.025.0NA
 us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest█▇▁█▇▆▆▆▆▅▅▅▅31.015.0-120.024.08.0-19.0-13.0-14.0-15.0-32.0-24.0-32.0-25.0NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▆▇▄▄▅▁▅▅▆▅▆▆▇2456.01323.01816.042.0-183.0396.0-2196.0437.0215.0858.0545.0994.01059.01740.0
us-gaap:IncomeTaxExpenseBenefit ▇▅█▁▁▂▂▂▂▄▁▄▄▅524.0317.0562.043.034.0138.0114.090.0125.0272.054.0280.0249.0363.0
us-gaap:InterestExpenseDebt ▁▂▃▂▂▃▄▄▅▅█▆▆187.0196.0210.0202.0200.0215.0222.0233.0237.0241.0282.0258.0261.0NA
us-gaap:NetIncomeLoss █▁1901.0991.0NA-25.0-225.0239.0NA333.075.0541.0NA1013.01333.01342.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▂▃▄▁▃▂▂▂█▆▆▅▆31.015.018.024.08.019.013.014.015.045.032.036.031.035.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▆▇▅▄▅▁▅▅▆▆▇▇▇1891.0986.01236.0-25.0-225.0239.0-2323.0333.075.0556.0891.01013.01333.01404.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted NANA1234.0-28.0-227.0237.0-2325.0331.073.0556.0891.01013.01333.0NA
us-gaap:NonoperatingIncomeExpense ▁▂█▃▂▁▂▃▁▂▂▁-3.0128.01115.0182.053.0-81.092.0301.0-1.073.059.0-3.0NA83.0
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity dow:TheDowChemicalCompany6.0NANANA51.0NANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity dow:TheDowChemicalCompanyDomainNA119.0NA181.051.0-82.0111.0284.0109.069.059.0-3.0-14.0NA
 us-gaap:NonoperatingIncomeExpense us-gaap:IncomeStatementLocation us-gaap:NonoperatingIncomeExpense▁█-3.0128.0NA182.053.0-81.0NA301.0NANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▃▇▆▅▄▆▃▅▅▅▄▁█65.0-253.0214.091.063.0-163.0148.0-216.067.0-31.0-33.0-98.0-470.0376.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅█▁▆▆▄▁▄▅▅▂▆▄▆237.0942.0-914.0284.0304.0-283.0-1027.0-231.02.0102.0-739.0241.0-242.0483.0
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity dow:TheDowChemicalCompany12.0NANANA28.0NANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity dow:TheDowChemicalCompanyDomainNA8.0NA18.0NA-15.056.011.0NANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:IncomeStatementLocation us-gaap:NonoperatingIncomeExpense▁█12.013.0NA21.026.0-15.0NA9.0NANANANANANA
us-gaap:ProfitLoss █▆▇▅▄▅▁▅▅▆▆▇▇▇1932.01006.01254.0-1.0-217.0258.0-2310.0347.090.0586.0923.01049.01364.01377.0
us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost █▄▆▄▂▂▁▄▅▃▂▄▇228.0194.0214.0193.0182.0179.0173.0194.0208.0190.0178.0193.0221.0NA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax █▅▄▃▁▃▃▄▄▄▆▆▇▆13885.011882.010706.09712.08354.09770.010204.010764.011014.010969.011944.012634.012789.012237.0
us-gaap:Revenues ▇▅▄▂▁▃▃▄▄▇▅▆▆█13885.011882.010706.09712.08354.09770.010204.010764.011014.013582.011944.012634.012789.014899.0
us-gaap:SellingGeneralAndAdministrativeExpense ▃▂▂▂▁▁▁▂▃▇▂▂▄█440.0366.0408.0372.0357.0334.0332.0388.0422.0701.0406.0409.0485.0751.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:Assets ▂▁▂▁▁▁▁▃▃█▇61768.060437.061470.059945.059276.060686.060524.064937.064889.079737.077378.0NANANA
 us-gaap:Liabilities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▁▁▂▃▆▆█78.085.097.0106.0161.0164.0196.0NANANANANANANA
 us-gaap:Liabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee dow:PrincipalNonconsolidatedAffiliatesNANA24086.0NANANA24014.0NANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ▂▁▂▁▁▁▁▃▃█▇61768.060437.061470.059945.059276.060686.060524.064937.064889.079737.077378.0NANANA
us-gaap:StockholdersEquity ▂▂▁▁▁▁▁▃▃▆▆██▆15573.014003.012435.012354.012537.012906.013541.017399.017911.026966.026831.032774.032521.026781.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AssetsCurrent ▄▃▃▂▁▂▁▃▂██20352.019163.019084.017789.016997.018138.016815.018949.018637.025661.025263.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▅█▆▄▄▁▂▁▂▂▄▇█3491.04133.05104.04549.03724.03633.02367.02823.02446.02969.02669.03411.04823.05186.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▅█▆▄▄▁▂▁▃▂▄▇█3541.04161.05108.04555.03730.03645.02380.02839.02483.03012.02709.03442.04868.05204.0
us-gaap:AccountsReceivableNetCurrent ▅▃▂▂▁▂▂▂▃██6456.05576.04839.04689.04353.04841.04844.05125.05661.08428.08246.0NANANA
us-gaap:InventoryNet ▃▂▁▁▁▂▂▂▃██6952.06157.05701.05609.05784.06324.06214.06416.06841.09508.09260.0NANANA
us-gaap:InventoryFinishedGoods ▄▂▁▁▁▂▂▃▃██4144.03590.03140.03052.03185.03607.03505.03627.03988.05703.05640.0NANANA
us-gaap:InventoryLIFOReserve NANA-34.0NANANA-114.0-121.0-52.0265.0415.0NANANA
us-gaap:OtherAssetsCurrent ▆▂█▁▂▁▃█▅▄▇803.0608.0889.0559.0606.0569.0658.0891.0761.0708.0852.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee dow:PrincipalNonconsolidatedAffiliatesNANA25298.0NANANA26477.0NANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross ▃▂▂▂▂▁▁▁▁██56564.056009.056325.056132.055459.054942.054910.054890.054937.061764.061437.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▆▅▅▄▃▂▁▁▁█▇36700.036112.036086.035719.034841.034136.033914.033887.033687.038272.037775.0NANANA
us-gaap:AmortizationOfIntangibleAssets ▁▁▁▁▁▁▁▁▂▇▃▃▃█100.0101.0101.0100.0100.0100.099.0100.0104.0154.0116.0117.0118.0159.0
us-gaap:PropertyPlantAndEquipmentNet ▁▁▂▂▂▃▃▃▄██19864.019897.020239.020413.020618.020806.020996.021003.021250.023492.023662.0NANANA
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us-gaap:FiniteLivedIntangibleAssetsNet NANA3352.03442.03532.03636.03756.03856.03997.04694.04864.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ComputerSoftwareIntangibleAsset▁▁▂▃▃▄▄▅▅▇█470.0483.0500.0516.0530.0543.0556.0567.0579.0639.0653.0NANANA
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 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:DevelopedTechnologyRights▁▂▃▃▄▅▆▆▇▇█858.0909.0961.01013.01065.01118.01167.01219.01271.01257.01321.0NANANA
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us-gaap:OperatingLeaseRightOfUseAsset ▆▆▆▆▆▆▇▇▇█▁1745.01810.01856.01809.01881.01942.02072.02130.02183.02584.00.0NANANA
us-gaap:OtherAssetsNoncurrent █▇▇▆▅▄▁▁▁▂▁1354.01266.01249.01162.01137.01068.0818.0821.0803.0859.0796.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AccruedIncomeTaxesCurrent ▃▁▂▂▁▃▄▄▂▇█462.0305.0397.0354.0331.0468.0522.0490.0370.0699.0791.0NANANA
us-gaap:AccruedLiabilitiesCurrent ▆▆█▅▁▂▁▆▇▄▇3494.03431.03790.03408.02731.02811.02762.03518.03606.03232.03611.0NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▃▆█▇▆▂▂▂▃▄▁211.0307.0349.0310.0293.0196.0193.0201.0205.0233.0165.0NANANA
us-gaap:LiabilitiesCurrent ▄▃▃▂▁▃▂▃▃█▆12308.011354.011108.010207.09786.011121.010679.011201.011605.015373.013755.0NANANA
us-gaap:NotesPayableCurrent NANANA329.0853.01490.0586.0517.0544.0317.0305.0NANANA
 us-gaap:NotesPayableCurrent dei:LegalEntity dow:TheDowChemicalCompanyDomainNANANA329.0853.01490.0586.0935.01691.0NA298.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇▇▇▇▇▇▇▇█▁402.0405.0416.0405.0388.0384.0421.0418.0421.0477.00.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
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us-gaap:LongTermDebt ▁▃▃▄▃▃▃▅▄██15538.016692.016951.017045.016739.016697.016410.017591.017452.019529.019594.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▁▃▃▄▃▃▂▅▄▄█15093.016200.016491.016698.016288.016313.015975.017213.017155.017160.019254.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▁504.0485.0405.0NANANA347.0380.0500.0721.0664.0NANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent NANANA9759.09780.09832.010083.08447.08674.09103.09226.0NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity dow:TheDowChemicalCompanyDomainNANANA9759.09780.09832.010083.08447.08674.0NA8926.0NANANA
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us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁█▇███580.0560.0570.0578.0560.0555.0553.0587.0589.01180.01138.01181.01152.01190.0
us-gaap:OtherLiabilitiesNoncurrent ▄▄▄██▆▅▆▂▃▁6428.06331.06279.07497.07404.06937.06547.06888.05563.05975.05368.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▆▆▆▆▆▆▇▇▇█▁1419.01477.01521.01488.01562.01622.01739.01735.01779.02126.00.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▂▁█▅330.0323.0387.0359.0NANA422.0472.0510.0515.0369.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁█▅257.0253.0312.0288.0NANA355.0391.0401.0421.0328.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁█▆177.0174.0242.0222.0NANA285.0329.0346.0343.0297.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive ▇▇▁█716.0704.0164.0806.0NANA219.0265.0259.0291.0253.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA703.0NANANA803.0990.0979.01157.0978.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:StockholdersEquity ▂▂▁▁▁▁▁▃▃▆▆██▆15573.014003.012435.012354.012537.012906.013541.017399.017911.026966.026831.032774.032521.026781.0
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▂▂▁▁▁▁▁▃▃▆▆██▆16153.014563.013005.012932.013097.013461.014094.017986.018500.028146.027969.033955.033673.027971.0
us-gaap:CommonStockValue ███████▇▇▁▁8.08.08.08.08.08.08.07.07.00.00.0NANANA
us-gaap:AdditionalPaidInCapital NANANA7497.07431.07370.07325.07239.07186.07153.07042.0NANANA
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us-gaap:AdditionalPaidInCapitalCommonStock █▄▁7898.07743.07595.0NANANA7325.0NANANA7042.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▂▂▁▁▁▂▂▃▃██18200.016829.016361.015472.016017.016763.017045.019873.020110.029701.029808.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▁▄▃▂▃▇█▅▅▇▇-9676.0-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0-9783.0-9885.0-9146.0-9387.0NA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity dow:TheDowChemicalCompany-9676.0NA-10855.0NANANA-10246.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0NA-9885.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▄▄▁▄▄▃▃▆▆▆▅▆▆█-8276.0-8425.0-9559.0-8351.0-8498.0-8639.0-8781.0-7527.0-7635.0-7824.0-7965.0-7552.0-7675.0-6872.0
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 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▇▆█▆▆▅▆▅▇▁▁▁▂▇-1118.0-1183.0-930.0-1144.0-1235.0-1298.0-1135.0-1283.0-1067.0-1844.0-1813.0-1780.0-1682.0-1105.0
us-gaap:TreasuryStockValue █▅▅▅▅▅▄▂▁825.0625.0625.0625.0625.0625.0500.0406.0305.0NA0.0NANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁█▇███580.0560.0570.0578.0560.0555.0553.0587.0589.01180.01138.01181.01152.01190.0
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity,us-gaap:StatementEquityComponents dow:TheDowChemicalCompany,dow:UnearnedEsopShares7.0NANANA12.0NANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity,us-gaap:StatementEquityComponents dow:TheDowChemicalCompany,us-gaap:AdditionalPaidInCapital82.0NANANA47.0NANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity,us-gaap:StatementEquityComponents dow:TheDowChemicalCompanyDomain,dow:UnearnedEsopSharesNA10.0NA12.012.010.04.06.06.029.05.06.05.0NA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity,us-gaap:StatementEquityComponents dow:TheDowChemicalCompanyDomain,us-gaap:AdditionalPaidInCapitalNA21.0NA43.047.029.033.055.064.083.083.071.081.0NA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents dow:UnearnedEsopShares▂▂▂▃▃▂▁▁▁▆▁▁▁█7.010.08.012.012.010.04.06.06.029.05.06.05.039.0
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▅▁▂▂▃▁▂▃▃▅▅▄▄█82.021.043.043.047.029.033.055.064.083.083.071.081.0142.0
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▅▅▁▄▅▄▇▅▄▅█▄▆12.08.0-67.00.011.01.054.09.05.09.082.02.037.0NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁▇▇▇▆█▇▄▆▇▄█▁2004.0-291.01630.01767.01590.01239.01950.01724.0830.01426.01730.0731.01951.0-158.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂█▆▇▅▇▃▂▅▄▁▁▅▇-755.0-13.0-225.0-82.0-381.0-153.0-597.0-715.0-394.0-486.0-885.0-858.0-360.0-92.0
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-13.0NA-82.0-381.0-153.0-597.0-715.0-382.0-498.0-885.0-858.0NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▄▄▃█▁▅▄▅▂▃▁▄-1905.0-595.0-955.0-930.0-1144.0265.0-1839.0-589.0-1000.0-667.0-1483.0-1309.0-1759.0-853.0
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-777.0NA-925.0-1157.0265.0-1829.0-679.0-1101.0-633.0-1483.0-1309.0NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▂▆▇▅█▄▆▃▅▃▁▄▂-620.0-947.0553.0825.085.01265.0-459.0356.0-584.0303.0-678.0-1426.0-337.0-1003.0
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-947.0NA825.085.01265.0NA356.0-464.0183.0NA-1426.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▆▆█▃▄▄▄▄▅▄▁▄▅▄244.0144.0456.0-139.0-2.0-57.0-82.0-83.026.0-89.0-434.0-2.074.0-67.0
us-gaap:DepreciationDepletionAndAmortization ▅▄▄▄▄▄▄▅▂█▄▅▁█745.0717.0726.0724.0700.0724.0713.0739.0646.0840.0726.0732.0614.0837.0
us-gaap:IncreaseDecreaseInAccountsPayable █▇▆▆▁▃▄▂▄▂▁▅▆█746.0611.0476.0336.0-582.0-314.0-22.0-476.018.0-468.0-666.0154.0476.0823.0
us-gaap:IncreaseDecreaseInInventories ▃▄▃▅▆▄▃▅▄▅█▄▁▇-800.0-478.0-1102.0158.0540.0-111.0-1151.0425.0-208.0266.01979.0-208.0-2151.01239.0
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity dow:TheDowChemicalCompanyDomainNA478.0NA-158.0-540.0111.0-185.0-425.0-105.047.0-261.0208.0NANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▄▂▆▅▅▇▄▃▅█▅▁▆291.0-295.0-1584.0492.0248.0254.01301.0-108.0-718.0111.01870.0176.0-1999.0684.0
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁▇▇▇▆█▇▄▆▇▄█▁2004.0-291.01630.01767.01590.01239.01950.01724.0830.01426.01730.0731.01951.0-158.0
us-gaap:NetIncomeLoss █▁1901.0991.0NA-25.0-225.0239.0NA333.075.0541.0NA1013.01333.01342.0
us-gaap:ProfitLoss █▆▇▅▄▅▁▅▅▆▆▇▇▇1932.01006.01254.0-1.0-217.0258.0-2310.0347.090.0586.0923.01049.01364.01377.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂█▆▇▅▇▃▂▅▄▁▁▅▇-755.0-13.0-225.0-82.0-381.0-153.0-597.0-715.0-394.0-486.0-885.0-858.0-360.0-92.0
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-13.0NA-82.0-381.0-153.0-597.0-715.0-382.0-498.0-885.0-858.0NANA
us-gaap:PaymentsToAcquireProductiveAssets NA289.0297.0287.0273.0395.0577.0472.0470.0514.0646.0577.0489.0423.0
 us-gaap:PaymentsToAcquireProductiveAssets dei:LegalEntity dow:TheDowChemicalCompanyDomainNA289.0NA287.0273.0395.0577.0472.0470.0442.0646.0577.0489.0NA
us-gaap:PaymentsToAcquireInvestments ▅▁█▁▄▁▁▅▂▂▃▅410.0150.0621.0120.0334.0128.0115.0391.0220.0173.0229.0401.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▄▄▃█▁▅▄▅▂▃▁▄-1905.0-595.0-955.0-930.0-1144.0265.0-1839.0-589.0-1000.0-667.0-1483.0-1309.0-1759.0-853.0
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity dow:TheDowChemicalCompanyDomainNA-777.0NA-925.0-1157.0265.0-1829.0-679.0-1101.0-633.0-1483.0-1309.0NANA
 us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:DebtInstrument dow:USDollarNotesNANANA556.0NANANANANANANANANANA
us-gaap:RepaymentsOfLongTermDebt NANA58.050.0NANANANANANANANANANA
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us-gaap:PaymentsOfDividendsCommonStock █▁522.0521.0NANA516.0518.0NANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.0125.094.0101.0305.00.00.00.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument dow:A21PercentNotesDue2030NANANANANANANANANANANANANANA
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 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument dow:ThreePointFivePercentNotesDue20243.5e-06NANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument dow:ThreePointOneFivePercentNotesDue20243.15e-06NANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8000000.08000000.08000000.08000000.08000000.08000000.08000000.07000000.07000000.000
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare dei:LegalEntity

us-gaap:CommonStockParOrStatedValuePerShare

dow:TheDowChemicalCompanyDomain


Common
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-04-012018-12-312017-09-012017-08-31
Value0.010.010.010.010.010.010.010.010.010.010.012.5
Percentage of CommonStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-12-312019-12-312018-12-312017-12-31
Value7557510.00010.0
Percentage of SharesOutstanding100.0100.0100.00.0

us-gaap:TreasuryStock


Shares
Period End2020-12-312019-12-312018-12-312017-12-31
Value129.7298340.00.0
Percentage of SharesOutstanding1.71.30.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7617597557547537537517497490.00010.0001
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5000500050005000500050005000500050000.00010.0001
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value752749740739742743747747747747
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value747744740739740739742747747747
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value3.85.9262715126.40.00.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.00.00.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.531.321.66-0.04-0.310.32-3.130.450.10.741.191.361.78
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.511.321.66-0.04-0.310.32-3.130.450.10.741.191.361.78
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.531.321.66-0.04-0.310.32-3.140.450.10.160.630.911.051.21
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.511.321.65-0.04-0.310.32-3.140.450.10.160.630.911.051.21
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2138193332225979-44.0-3357.010971637145125911231832
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.416.33.02.70.9-0.5-32.91.00.65.81.210.08.815.0

us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Comprehensive
Period End2021-06-302020-06-30
Value215179
Percentage of ComprehensiveIncomeNetOfTax100.6100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.50.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany15.50.9

dow:TheDowChemicalCompanyDomain


Comprehensive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value192533225979-44.0-3339.08619865214512591123
Percentage of ComprehensiveIncomeNetOfTax99.6103.1100.0100.0100.099.578.9278.9102.4100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax16.23.12.70.9-0.5-32.70.81.85.91.210.08.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain16.23.12.70.9-0.5-32.70.81.85.90.010.08.8

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value311518248.019207.021513931-1.028
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.20.20.10.20.20.10.20.50.30.2-0.00.2

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompany


Comprehensive
Period End2021-06-302020-06-30
Value318.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.20.1

dow:TheDowChemicalCompanyDomain


Comprehensive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1518248.019207.021513931-1.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.20.20.10.20.20.10.20.50.30.2-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain0.10.20.20.10.20.20.10.20.50.00.2-0.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2169194834028387-25.0-3337.011692688184129011221860
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.616.43.22.91.0-0.3-32.71.10.86.31.510.28.815.2

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompany


Comprehensive
Period End2021-06-302020-06-30
Value218287
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.6100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.71.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany15.71.0

dow:TheDowChemicalCompanyDomain


Comprehensive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value194035028387-25.0-3319.09321970318412901122
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest99.6102.9100.0100.0100.099.580.2238.0102.2100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax16.33.32.91.0-0.3-32.50.92.06.41.510.28.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain16.33.32.91.0-0.3-32.50.92.06.40.010.28.8

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value107401006291358371761082308718937794201070710098104561054011552
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax77.384.785.386.291.184.285.487.185.597.684.582.882.494.4

us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity

dow:TheDowChemicalCompany


Cost
Period End2021-06-302020-06-30
Value107397608
Percentage of CostOfGoodsAndServicesSold100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax77.391.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany77.391.1

dow:TheDowChemicalCompanyDomain


Cost
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1006191348371760882308719937794199142100981045610540
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.085.4100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax84.785.386.291.184.285.487.185.583.384.582.882.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain84.785.386.291.184.285.487.185.583.30.082.882.4

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal


Disposal
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value497220-5.00.0-44.0-20.00.00.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0100.0100.00.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.62.3-0.00.0-0.4-0.20.00.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Disposal
Period End2020-09-302019-12-312019-09-30
Value-13.0-7.0-5.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal-5.9140.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.1-0.1-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.1-0.1-0.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal dei:LegalEntity, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

dow:TheDowChemicalCompanyDomain, dow:RailInfrastructure


Disposal
Period End2020-09-30
Value233
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal105.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain dow:RailInfrastructure0.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

dow:RailInfrastructureOperationsAndAssets


Disposal
Period End2020-09-30
Value233
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal105.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:RailInfrastructureOperationsAndAssets0.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:IncomeStatementLocation

dow:RailInfrastructure, us-gaap:NonoperatingIncomeExpense


Disposal
Period End2020-12-312020-09-30
Value266233
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal53.5105.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.52.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:RailInfrastructure us-gaap:NonoperatingIncomeExpense0.00.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

dow:RailInfrastructureOperationsAndAssets, dow:PackagingSpecialtyPlastics


Disposal
Period End2020-09-30
Value48
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal21.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:RailInfrastructureOperationsAndAssets dow:PackagingSpecialtyPlastics0.0

dow:RailInfrastructureOperationsAndAssets, us-gaap:Corporate


Disposal
Period End2020-09-30
Value185
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal84.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:RailInfrastructureOperationsAndAssets us-gaap:Corporate0.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Disposal
Period End2020-12-312020-09-302019-12-31
Value-2.0-13.0-5.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal-0.4-5.9100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.0-0.1-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonoperatingIncomeExpense0.00.00.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:StatementBusinessSegments

dow:PackagingSpecialtyPlastics


Disposal
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value17350.00.00.00.00.00.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal3.415.9-0.00.0-0.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.40.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PackagingSpecialtyPlastics0.00.80.00.00.00.00.00.0

us-gaap:Corporate


Disposal
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value4191850.00.0-44.00.00.00.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal84.384.1-0.00.0100.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.91.90.00.0-0.40.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Corporate0.0212.60.00.0-39.60.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value-102.00.0-63.00.0-86.0-58.00.0-44.0-48.0-6.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.0100.00.0100.0100.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.70.0-0.60.0-0.9-0.60.0-0.4-0.4-0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt dei:LegalEntity

dow:TheDowChemicalCompany


Gains
Period End2021-06-30
Value102
Percentage of GainsLossesOnExtinguishmentOfDebt-100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.7

dow:TheDowChemicalCompanyDomain


Gains
Period End2020-09-302020-03-312019-12-31
Value6386-146.0
Percentage of GainsLossesOnExtinguishmentOfDebt-100.0-100.0251.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.9-1.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain0.60.9-1.4

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation

dow:A315PercentNotesDue2024And350PercentNotesDue2024, dow:SundryIncomeExpenseNet


Gains
Period End2021-06-30
Value101
Percentage of GainsLossesOnExtinguishmentOfDebt-99.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:A315PercentNotesDue2024And350PercentNotesDue2024 dow:SundryIncomeExpenseNet0.0

dow:InterNotesRedeemedVariousMaturities, dow:SundryIncomeExpenseNet


Gains
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value1.00.01.00.01.0
Percentage of GainsLossesOnExtinguishmentOfDebt-1.00.0-1.60.0-1.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:InterNotesRedeemedVariousMaturities dow:SundryIncomeExpenseNet0.00.00.00.00.0

us-gaap:DebtSecurities, dow:SundryIncomeExpenseNet


Gains
Period End2020-09-30
Value62
Percentage of GainsLossesOnExtinguishmentOfDebt-98.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:DebtSecurities dow:SundryIncomeExpenseNet0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Gains
Period End2021-06-302020-09-302020-06-302020-03-31
Value102630.086
Percentage of GainsLossesOnExtinguishmentOfDebt-100.0-100.00.0-100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.70.60.00.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonoperatingIncomeExpense0.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:StatementBusinessSegments

us-gaap:Corporate


Gains
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value-102.00.0-63.00.0-86.0-58.00.0-44.0-48.0-6.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.0100.00.0100.0100.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.70.0-0.60.0-0.9-0.60.0-0.4-0.4-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Corporate-121.40.0-72.40.0-168.60.00.0-39.60.0-8.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15711341744154014861387159418271846217822492257
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.713.88.915.814.612.914.516.715.517.217.618.4

us-gaap:GrossProfit dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1572134174615401485138715951827
Percentage of GrossProfit100.1100.0100.3100.099.9100.0100.1100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.713.88.915.814.612.914.516.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain14.713.88.915.814.612.914.516.7

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value193210061254-1.0-217.0258-2310.034790156491714810925
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.98.511.7-0.0-2.62.6-22.63.20.81.44.15.76.37.6

us-gaap:IncomeLossFromContinuingOperations dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1.0-217.0258-2292.0324217156491714810
Percentage of IncomeLossFromContinuingOperations100.0100.0100.099.293.4241.1100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.0-2.62.6-22.53.02.01.44.15.76.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.0-2.62.6-22.53.02.01.40.05.76.3

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value248.0191415323225
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.20.10.10.30.30.2

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3115-120.0248.0-19.0-13.0-14.0-15.0-32.0-24.0-32.0-25.0
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity0.00.00.0100.0100.0-100.00.0-100.0-100.0-100.00.0-100.0-100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.1-1.10.20.1-0.2-0.1-0.1-0.1-0.3-0.2-0.3-0.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value24561323181642-183.0396-2196.043721585854599410591740
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.711.117.00.4-2.24.1-21.54.12.07.84.67.98.314.2

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompany


Income
Period End2021-06-302020-06-30
Value2466-183.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.4100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.8-2.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany17.8-2.2

dow:TheDowChemicalCompanyDomain


Income
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value131542-183.0396-2178.04143422975459941059
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest99.4100.0100.0100.099.294.7159.134.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.10.4-2.24.1-21.33.83.12.74.67.98.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain11.10.4-2.24.1-21.33.83.12.70.07.98.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value52431756243341381149012527254280249363
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.82.75.20.40.41.41.10.81.12.50.52.21.93.0

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

dow:TheDowChemicalCompany


Income
Period End2021-06-302020-06-30
Value52134
Percentage of IncomeTaxExpenseBenefit99.4100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.80.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany3.80.4

dow:TheDowChemicalCompanyDomain


Income
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value31743341381149012514154280249
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.051.8100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.70.40.41.41.10.81.11.30.52.21.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain2.70.40.41.41.10.81.11.30.02.21.9

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value187196210202200215222233237241282258261
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.31.62.02.12.42.22.22.22.22.22.42.02.0

us-gaap:InterestExpenseDebt dei:LegalEntity

dow:TheDowChemicalCompany


Interest
Period End2021-06-302020-06-30
Value187200
Percentage of InterestExpenseDebt100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.32.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany1.32.4

dow:TheDowChemicalCompanyDomain


Interest
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value196202200215224238249241282258261
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.9102.1105.1100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.62.12.42.22.22.22.32.22.42.02.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain1.62.12.42.22.22.22.32.20.02.02.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1901991-25.0-225.023933375541101313331342
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.78.3-0.3-2.72.43.10.74.98.010.411.0

us-gaap:NetIncomeLoss dei:LegalEntity

dow:TheDowChemicalCompany


Net
Period End2021-06-302020-06-30
Value1914-225.0
Percentage of NetIncomeLoss100.7100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.8-2.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany13.8-2.7

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value983-25.0-225.023931020255610131333
Percentage of NetIncomeLoss99.2100.0100.0100.093.1269.3102.8100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.3-0.3-2.72.42.91.85.18.010.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain8.3-0.3-2.72.42.91.85.18.010.4

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value311518248.0191314154532363135
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.20.20.10.20.10.10.10.40.30.30.20.3

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompany


Net
Period End2021-06-302020-06-30
Value318.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.20.1

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15248.01913141545323631
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.20.10.20.10.10.10.40.30.30.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain0.10.20.10.20.10.10.10.40.00.30.2

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value18919861236-25.0-225.0239-2323.033375556891101313331404
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.68.311.5-0.3-2.72.4-22.83.10.75.17.58.010.411.5

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1246-25.0-225.0239-2305.0310202556
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.8100.0100.0100.099.293.1269.3100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.6-0.3-2.72.4-22.62.91.85.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain11.6-0.3-2.72.4-22.62.91.85.1

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity, us-gaap:StatementEquityComponents

dow:TheDowChemicalCompany, us-gaap:RetainedEarnings


Net
Period End2021-06-302020-06-30
Value1914-225.0
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic101.2100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.8-2.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany us-gaap:RetainedEarnings0.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:RetainedEarnings


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value983-25.0-225.0239-2305.031020255689110131333
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic99.7100.0100.0100.099.293.1269.3100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.3-0.3-2.72.4-22.62.91.85.17.58.010.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19019911236-25.0-225.0239-2323.033375541891101313331342
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.5100.5100.0100.0100.0100.0100.0100.0100.097.3100.0100.0100.095.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.78.311.5-0.3-2.72.4-22.83.10.74.97.58.010.411.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1234-28.0-227.0237-2325.03317355689110131333
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.5-0.3-2.72.4-22.83.10.75.17.58.010.4

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-31
Value-3.0128111518253-81.092301-1.07359-3.083
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.01.110.41.90.6-0.80.92.8-0.00.70.5-0.00.7

us-gaap:NonoperatingIncomeExpense dei:LegalEntity

dow:TheDowChemicalCompany


Nonoperating
Period End2021-06-302020-06-30
Value6.051
Percentage of NonoperatingIncomeExpense-200.096.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.00.6

dow:TheDowChemicalCompanyDomain


Nonoperating
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11918151-82.01112841096959-3.0-14.0
Percentage of NonoperatingIncomeExpense93.099.596.2101.2120.794.4-10900.094.5100.0100.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.01.90.6-0.81.12.61.00.60.5-0.0-0.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain1.01.90.6-0.81.12.61.00.60.0-0.0-0.1

us-gaap:NonoperatingIncomeExpense us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-3.012818253-81.0301
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.01.11.90.6-0.82.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonoperatingIncomeExpense0.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value65-253.02149163-163.0148-216.067-31.0-33.0-98.0-470.0376
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.5-2.12.00.90.8-1.71.5-2.00.6-0.3-0.3-0.8-3.73.1

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value6563
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.50.8

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-253.02149163-163.0148-216.067-31.0-33.0-98.0-470.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-2.12.00.90.8-1.71.5-2.00.6-0.3-0.3-0.8-3.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-2.12.00.90.8-1.71.5-2.00.6-0.30.0-0.8-3.7

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value237942-914.0284304-283.0-1027.0-231.02.0102-739.0241-242.0483
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.77.9-8.52.93.6-2.9-10.1-2.10.00.9-6.21.9-1.93.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value237304
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.73.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany1.73.6

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value942-914.0284304-283.0-1027.0-231.02.0102-739.0241-242.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.9-8.52.93.6-2.9-10.1-2.10.00.9-6.21.9-1.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain7.9-8.52.93.6-2.9-10.1-2.10.00.90.01.9-1.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity, us-gaap:StatementEquityComponents

dow:TheDowChemicalCompany, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302020-06-30
Value237304
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.73.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany us-gaap:AccumulatedOtherComprehensiveIncome0.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value942284304-283.0-1027.0-231.02.0102-739.0241-242.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.92.93.6-2.9-10.1-2.10.00.9-6.21.9-1.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1491134-1208.0147141142-1254.0108106141-413.0123124126
Percentage of OtherComprehensiveIncomeLossNetOfTax62.9120.4132.251.846.4-50.2122.1-46.85300.0138.255.951.0-51.226.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.19.5-11.31.51.71.5-12.31.01.01.3-3.51.01.01.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.0110243824-162.075-134.0-204.0-75.0-257.02081186.0
Percentage of OtherComprehensiveIncomeLossNetOfTax2.511.7-2.613.47.957.2-7.358.0-10200.0-73.534.886.3-48.81.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.90.20.40.3-1.70.7-1.2-1.9-0.7-2.21.60.90.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value17-49.0568.076-100.04.0113367-36.08.0-14.0-25.0
Percentage of OtherComprehensiveIncomeLossNetOfTax7.2-5.2-6.12.825.035.3-0.4-4.81650.065.74.93.35.8-5.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.1-0.40.50.10.9-1.00.00.10.30.6-0.30.1-0.1-0.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value237942-914.0284304-283.0-1027.0-231.02.0102-739.0241-242.0483
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.77.9-8.52.93.6-2.9-10.1-2.10.00.9-6.21.9-1.93.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value65-253.02149163-163.0148-216.067-31.0-33.0-98.0-470.0376
Percentage of OtherComprehensiveIncomeLossNetOfTax27.4-26.9-23.432.020.757.6-14.493.53350.0-30.44.5-40.7194.277.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.5-2.12.00.90.8-1.71.5-2.00.6-0.3-0.3-0.8-3.73.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

us-gaap:OtherNonoperatingIncomeExpense

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value1228
Percentage of OtherNonoperatingIncomeExpense100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany0.10.3

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-09-302020-03-312019-12-312019-09-30
Value8.018-15.05611
Percentage of OtherNonoperatingIncomeExpense0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.2-0.20.50.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain0.10.2-0.20.50.1

us-gaap:OtherNonoperatingIncomeExpense us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value12132126-15.09.0
Percentage of OtherNonoperatingIncomeExpense100.00.00.092.90.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.10.20.3-0.20.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:NonoperatingIncomeExpense0.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value193210061254-1.0-217.0258-2310.034790586923104913641377
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.98.511.7-0.0-2.62.6-22.63.20.85.37.78.310.711.3

us-gaap:ProfitLoss dei:LegalEntity

dow:TheDowChemicalCompany


Profit
Period End2021-06-302020-06-30
Value1945-217.0
Percentage of ProfitLoss100.7100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.0-2.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany14.0-2.6

dow:TheDowChemicalCompanyDomain


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9981264-1.0-217.0258-2292.032421760192310491364
Percentage of ProfitLoss99.2100.8100.0100.0100.099.293.4241.1102.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.411.8-0.0-2.62.6-22.53.02.05.57.78.310.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain8.411.8-0.0-2.62.6-22.53.02.05.50.08.310.7

Research And Development Expense Excluding Acquired In Process Cost

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value228194214193182179173194208190178193221
Percentage of ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.61.62.02.02.21.81.71.81.91.71.51.51.7

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost dei:LegalEntity

dow:TheDowChemicalCompany


Research
Period End2021-06-302020-06-30
Value228182
Percentage of ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.62.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany1.62.2

dow:TheDowChemicalCompanyDomain


Research
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value194193182179173194208190178193221
Percentage of ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.62.02.21.81.71.81.91.71.51.51.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain1.62.02.21.81.71.81.91.70.01.51.7

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1388511882107069712835497701020410764110141096911944126341278912237
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax dei:LegalEntity

dow:TheDowChemicalCompany


Revenue
Period End2021-06-302020-06-30
Value138858354
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany100.0100.0

dow:TheDowChemicalCompanyDomain


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value118821070697128354977010204107641101410969119441263412789
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4215360735013058241730453253336533423480377039103969
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.430.432.731.528.931.231.931.330.331.731.630.931.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.430.432.731.528.931.231.931.330.331.731.630.931.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:IndustrialIntermediatesInfrastructure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:PackagingSpecialtyPlastics


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7121608251264565400146094840506252055138588961446124
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax51.351.247.947.047.947.247.447.047.346.849.348.647.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax51.351.247.947.047.947.247.447.047.346.849.348.647.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PackagingSpecialtyPlastics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:PerformanceMaterialsCoatings


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2465212320292002185520652035225023562282222125052624
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.817.919.020.622.221.119.920.921.420.818.619.820.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.817.919.020.622.221.119.920.921.420.818.619.820.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PerformanceMaterialsCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Corporate


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value847050878151768711169647572
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.60.50.91.00.50.70.81.00.60.50.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.60.50.91.00.50.70.81.00.60.50.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Corporate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1388511882107069712835497701020410764110141358211944126341278914899
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0123.8100.0100.0100.0121.8

us-gaap:Revenues dow:BusinessGroup, us-gaap:StatementBusinessSegments

dow:CoatingsandPerformanceMonomers, dow:PerformanceMaterialsCoatings


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value101085582084476682876890094790287610501098
Percentage of Revenues7.37.27.78.79.28.57.58.48.66.67.38.38.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.37.27.78.79.28.57.58.48.68.27.38.38.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:CoatingsandPerformanceMonomers dow:PerformanceMaterialsCoatings0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:ConsumerSolutions, dow:PerformanceMaterialsCoatings


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1455126812091158108912371267135014091380134514551526
Percentage of Revenues10.510.711.311.913.012.712.412.512.810.211.311.511.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.510.711.311.913.012.712.412.512.812.611.311.511.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:ConsumerSolutions dow:PerformanceMaterialsCoatings0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:HydrocarbonsEnergy, dow:PackagingSpecialtyPlastics


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value200817511244102178712191279132513491404187220081879
Percentage of Revenues14.514.711.610.59.412.512.512.312.210.315.715.914.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.514.711.610.59.412.512.512.312.212.815.715.914.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:HydrocarbonsEnergy dow:PackagingSpecialtyPlastics0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:IndustrialSolutions, dow:IndustrialIntermediatesInfrastructure


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12011049105093189410541047106610701127119112321214
Percentage of Revenues8.68.89.89.610.710.810.39.99.78.310.09.89.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.68.89.89.610.710.810.39.99.710.310.09.89.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:IndustrialSolutions dow:IndustrialIntermediatesInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:Other, dow:IndustrialIntermediatesInfrastructure


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.02.03.03.03.03.03.04.03.03.09.04.03.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:Other dow:IndustrialIntermediatesInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:PackagingandSpecialtyPlastics, dow:PackagingSpecialtyPlastics


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5113433138823544321433903561373738563734401741364245
Percentage of Revenues36.836.536.336.538.534.734.934.735.027.533.632.733.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax36.836.536.336.538.534.734.934.735.034.033.632.733.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PackagingandSpecialtyPlastics dow:PackagingSpecialtyPlastics0.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:PolyurethanesConstructionChemicals, dow:IndustrialIntermediatesInfrastructure


Revenuesdow:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value301225562448212415201988220322952269
Percentage of Revenues21.721.522.921.918.220.321.621.320.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax21.721.522.921.918.220.321.621.320.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PolyurethanesConstructionChemicals dow:IndustrialIntermediatesInfrastructure0.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4215360735013058241730453253336533423480377039103969
Percentage of Revenues30.430.432.731.528.931.231.931.330.325.631.630.931.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.430.432.731.528.931.231.931.330.331.731.630.931.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:IndustrialIntermediatesInfrastructure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:PackagingSpecialtyPlastics


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7121608251264565400146094840506252055138588961446124
Percentage of Revenues51.351.247.947.047.947.247.447.047.337.849.348.647.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax51.351.247.947.047.947.247.447.047.346.849.348.647.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PackagingSpecialtyPlastics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:PerformanceMaterialsCoatings


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2465212320292002185520652035225023562282222125052624
Percentage of Revenues17.817.919.020.622.221.119.920.921.416.818.619.820.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.817.919.020.622.221.119.920.921.420.818.619.820.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:PerformanceMaterialsCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Corporate


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value847050878151768711169647572
Percentage of Revenues0.60.60.50.91.00.50.70.81.00.50.50.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.60.50.91.00.50.70.81.00.60.50.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Corporate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementGeographical

dow:EuropeMiddleEastAfricaandIndiaDomain


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value510243293575327227113411338436213725388241494386
Percentage of Revenues36.736.433.433.732.534.933.233.633.828.634.734.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax36.736.433.433.732.534.933.233.633.835.434.734.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:EuropeMiddleEastAfricaandIndiaDomain0.00.00.00.00.00.00.00.00.00.00.00.0

dow:U.S.Canada


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value49274028369733912944355036123932407248844207460945515468
Percentage of Revenues35.533.934.534.935.236.335.436.537.036.035.236.535.636.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax35.533.934.534.935.236.335.436.537.044.535.236.535.644.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:U.S.Canada0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:AsiaPacific


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value24792365231520731932184522122193217032022374236224803256
Percentage of Revenues17.919.921.621.323.118.921.720.419.723.619.918.719.421.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.919.921.621.323.118.921.720.419.729.219.918.719.426.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:AsiaPacific0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:LatinAmerica


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1377116011199767679649961018104712851214127712851410
Percentage of Revenues9.99.810.510.09.29.99.89.59.59.510.210.110.09.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.99.810.510.09.29.99.89.59.511.710.210.110.011.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:LatinAmerica0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value440366408372357334332388422701406409485751
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.23.13.83.84.33.43.33.63.86.43.43.23.86.1

us-gaap:SellingGeneralAndAdministrativeExpense dei:LegalEntity

dow:TheDowChemicalCompany


Selling
Period End2021-06-302020-06-30
Value440356
Percentage of SellingGeneralAndAdministrativeExpense100.099.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.24.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany3.24.3

dow:TheDowChemicalCompanyDomain


Selling
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value366372356334330389418448406409485
Percentage of SellingGeneralAndAdministrativeExpense100.0100.099.7100.099.4100.399.163.9100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.13.84.33.43.23.63.84.13.43.23.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain3.13.84.33.43.23.63.84.13.43.23.8

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6176860437614705994559276606866052464937648897973777378
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

dow:TheDowChemicalCompany


Assetsdei:
Period End2021-06-302020-12-312019-12-31
Value616896134560390
Percentage of Assets99.999.899.8
Percentage of Assets99.999.899.8
Percentage of Assets dow:TheDowChemicalCompany100.0100.0100.0

dow:TheDowChemicalCompanyDomain


Assetsdei:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value603526134559837591766057460390648106470483699
Percentage of Assets99.999.899.899.899.899.899.899.7108.2
Percentage of Assets99.999.899.899.899.899.899.899.7108.2
Percentage of Assets dow:TheDowChemicalCompanyDomain100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value295311319341398398436
Percentage of Assets0.50.50.50.60.70.70.7
Percentage of Assets0.50.50.50.60.70.70.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

dow:PrincipalNonconsolidatedAffiliates


Assetsus-gaap:
Period End2020-12-312019-12-31
Value3034231779
Percentage of Assets49.452.5
Percentage of Assets49.452.5
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Assetsus-gaap:
Period End2020-12-312019-12-31
Value1222011753
Percentage of Assets19.919.4
Percentage of Assets19.919.4
Percentage of Assets dow:IndustrialIntermediatesInfrastructure100.0100.0

dow:PackagingSpecialtyPlastics


Assetsus-gaap:
Period End2020-12-312019-12-31
Value3006929522
Percentage of Assets48.948.8
Percentage of Assets48.948.8
Percentage of Assets dow:PackagingSpecialtyPlastics100.0100.0

dow:PerformanceMaterialsCoatings


Assetsus-gaap:
Period End2020-12-312019-12-31
Value1391514059
Percentage of Assets22.623.2
Percentage of Assets22.623.2
Percentage of Assets dow:PerformanceMaterialsCoatings100.0100.0

us-gaap:Corporate


Assetsus-gaap:
Period End2020-12-312019-12-31
Value52665190
Percentage of Assets8.68.6
Percentage of Assets8.68.6
Percentage of Assets us-gaap:Corporate100.0100.0

Liabilities

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:Liabilities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value788597106161164196
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.20.20.30.30.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary26.427.330.431.140.541.245.0

us-gaap:Liabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

dow:PrincipalNonconsolidatedAffiliates


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value2408624014
Percentage of Liabilities24830.912252.0
Percentage of Assets39.239.7
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates79.475.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6176860437614705994559276606866052464937648897973777378
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity

dow:TheDowChemicalCompany


Liabilities
Period End2021-06-302020-12-312019-12-31
Value616896134560390
Percentage of LiabilitiesAndStockholdersEquity99.999.899.8
Percentage of Assets99.999.899.8
Percentage of Assets dow:TheDowChemicalCompany100.0100.0100.0

dow:TheDowChemicalCompanyDomain


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value603526134559837591766057460390648106470483699
Percentage of LiabilitiesAndStockholdersEquity99.999.899.899.899.899.899.899.7108.2
Percentage of Assets99.999.899.899.899.899.899.899.7108.2
Percentage of Assets dow:TheDowChemicalCompanyDomain100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value155731400312435123541253712906135411739917911269662683132774325212678131515
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.223.220.220.621.221.322.426.827.633.834.70.00.00.00.0

us-gaap:StockholdersEquity dei:LegalEntity

dow:TheDowChemicalCompany


Stockholders
Period End2021-06-302020-12-312020-06-302019-12-312018-12-31
Value1594312999132921430932483
Percentage of StockholdersEquity102.4104.5106.0105.7121.1
Percentage of Assets25.821.122.423.642.0
Percentage of Assets dow:TheDowChemicalCompany25.821.20.023.70.0

dow:TheDowChemicalCompanyDomain


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14376129991311313292136731430917780176803266832483327743252131515
Percentage of StockholdersEquity102.7104.5106.1106.0105.9105.7102.298.7121.1121.1100.0100.0100.0
Percentage of Assets23.821.121.922.422.523.627.427.241.042.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain23.821.221.922.522.623.727.427.30.038.80.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2035219163190841778916997181381681518949186372566125263
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.931.731.029.728.729.927.829.228.732.232.6

us-gaap:AssetsCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Assets
Period End2021-06-302020-12-312019-12-31
Value203111899816733
Percentage of AssetsCurrent99.899.599.5
Percentage of Assets32.930.927.6
Percentage of Assets dow:TheDowChemicalCompany32.931.027.7

dow:TheDowChemicalCompanyDomain


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value191161899817715169301805916733188361846839370
Percentage of AssetsCurrent99.899.599.699.699.699.599.499.1155.8
Percentage of Assets31.630.929.628.629.827.629.028.550.9
Percentage of Assets dow:TheDowChemicalCompanyDomain31.731.029.628.629.827.729.128.547.0

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assets
Period End2020-12-312019-12-31
Value4451
Percentage of AssetsCurrent0.20.3
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary13.811.7

us-gaap:AssetsCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

dow:PrincipalNonconsolidatedAffiliates


Assets
Period End2020-12-312019-12-31
Value50445302
Percentage of AssetsCurrent26.431.5
Percentage of Assets8.28.8
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates16.616.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value349141335104454937243633236728232446296926693411482351866189
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.76.88.37.66.36.03.94.33.83.73.40.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

dow:TheDowChemicalCompany


Cash
Period End2021-06-302020-12-312020-06-302019-12-312018-12-31
Value34915104372423672724
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0102.1
Percentage of Assets5.78.36.33.93.5
Percentage of Assets dow:TheDowChemicalCompany5.78.30.03.90.0

dow:TheDowChemicalCompanyDomain


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4133510445493724363323672823244629042724341148236189
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.097.8102.1100.0100.0100.0
Percentage of Assets6.88.37.66.36.03.94.33.83.63.50.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain6.88.37.66.36.03.94.43.80.03.30.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value36372653414437
Percentage of CashAndCashEquivalentsAtCarryingValue1.00.90.51.21.11.21.6
Percentage of Assets0.10.10.00.10.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary12.211.98.215.510.311.18.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3541416151084555373036452380283924833012270934424868520462076624
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.76.98.37.66.36.03.94.43.83.83.50.00.00.00.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

dow:TheDowChemicalCompany


Cash
Period End2021-06-302020-12-312020-06-302019-12-312018-12-312017-12-31
Value354151083730238027646208
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0102.0100.0
Percentage of Assets5.78.36.33.93.60.0
Percentage of Assets dow:TheDowChemicalCompany5.78.30.03.90.00.0

dow:TheDowChemicalCompanyDomain


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value41615108455537303645238028392483294727643442486862086624
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.097.8102.0100.0100.0100.0100.0
Percentage of Assets6.98.37.66.36.03.94.43.83.73.60.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain6.98.37.66.36.03.94.43.80.03.30.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64565576483946894353484148445125566184288246
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.59.27.97.87.38.08.07.98.710.610.7

us-gaap:AccountsReceivableNetCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Accounts
Period End2021-06-302020-12-312019-12-31
Value645648394844
Percentage of AccountsReceivableNetCurrent100.0100.0100.0
Percentage of Assets10.57.98.0
Percentage of Assets dow:TheDowChemicalCompany10.57.98.0

dow:TheDowChemicalCompanyDomain


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-31
Value55764839468943534844512556615646
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.068.5
Percentage of Assets9.27.97.87.38.07.98.77.3
Percentage of Assets dow:TheDowChemicalCompanyDomain9.27.97.87.48.07.98.76.7

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value69526157570156095784632462146416684195089260
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.310.29.39.49.810.410.39.910.511.912.0

us-gaap:InventoryNet dei:LegalEntity

dow:TheDowChemicalCompany


Inventory
Period End2021-06-302020-12-312019-12-31
Value695257016214
Percentage of InventoryNet100.0100.0100.0
Percentage of Assets11.39.310.3
Percentage of Assets dow:TheDowChemicalCompany11.39.310.3

dow:TheDowChemicalCompanyDomain


Inventory
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value615757015609578463246214641668416899
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.074.5
Percentage of Assets10.29.39.49.810.410.39.910.58.9
Percentage of Assets dow:TheDowChemicalCompanyDomain10.29.39.49.810.410.39.910.68.2

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value41443590314030523185360735053627398857035640
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.75.95.15.15.45.95.85.66.17.27.3

Inventory L I F O Reserve

us-gaap:InventoryLIFOReserve

us-gaap:InventoryLIFOReserve


Inventory
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-34.0-114.0-121.0-52.0265415
Percentage of InventoryLIFOReserve100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.2-0.2-0.10.30.5

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value803608889559606569658891761708852
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.01.40.91.00.91.11.41.20.91.1

us-gaap:OtherAssetsCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-12-312019-12-31
Value759801592
Percentage of OtherAssetsCurrent94.590.190.0
Percentage of Assets1.21.31.0
Percentage of Assets dow:TheDowChemicalCompany1.21.31.0

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value561801484538490571774588712
Percentage of OtherAssetsCurrent92.390.186.688.886.186.886.977.383.6
Percentage of Assets0.91.30.80.90.80.91.20.90.9
Percentage of Assets dow:TheDowChemicalCompanyDomain0.91.30.80.90.80.91.20.90.9

us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value39414442565251
Percentage of OtherAssetsCurrent4.96.74.97.59.29.17.8
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary13.213.213.812.314.113.111.7

Assets Noncurrent

us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:AssetsNoncurrent

dow:PrincipalNonconsolidatedAffiliates


Assets
Period End2020-12-312019-12-31
Value2529826477
Percentage of AssetsNoncurrent100.0100.0
Percentage of Assets41.243.7
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates83.483.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5656456009563255613255459549425491054890549376176461437
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets91.692.791.693.693.690.590.784.584.777.579.4

us-gaap:PropertyPlantAndEquipmentGross dei:LegalEntity

dow:TheDowChemicalCompany


Property
Period End2021-06-302020-12-312019-12-31
Value565645632554910
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0
Percentage of Assets91.691.690.7
Percentage of Assets dow:TheDowChemicalCompany91.791.890.9

dow:TheDowChemicalCompanyDomain


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value560095632556132554595494254910548905493753984
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.087.9
Percentage of Assets92.791.693.693.690.590.784.584.769.8
Percentage of Assets dow:TheDowChemicalCompanyDomain92.891.893.893.790.790.984.784.964.5

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

dow:FinanceLeases


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value727712665620536526486501466437
Percentage of PropertyPlantAndEquipmentGross1.31.31.21.11.01.00.90.90.80.7
Percentage of Assets1.21.21.11.00.90.90.80.80.70.5
Percentage of Assets dow:FinanceLeases0.00.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-31
Value497647424745
Percentage of PropertyPlantAndEquipmentGross8.88.67.7
Percentage of Assets8.17.86.1
Percentage of Assets us-gaap:Building0.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-31
Value160419861846
Percentage of PropertyPlantAndEquipmentGross2.83.63.0
Percentage of Assets2.63.32.4
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.0

us-gaap:LandAndLandImprovements


Property
Period End2020-12-312019-12-312018-12-31
Value201121772059
Percentage of PropertyPlantAndEquipmentGross3.64.03.4
Percentage of Assets3.33.62.7
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-31
Value421084065140250
Percentage of PropertyPlantAndEquipmentGross74.874.065.5
Percentage of Assets68.567.252.0
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.0

us-gaap:PropertyPlantAndEquipmentOtherTypes


Property
Period End2020-12-312019-12-312018-12-31
Value562653545084
Percentage of PropertyPlantAndEquipmentGross10.09.88.3
Percentage of Assets9.28.86.6
Percentage of Assets us-gaap:PropertyPlantAndEquipmentOtherTypes0.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3670036112360863571934841341363391433887336873827237775
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.459.858.759.658.856.356.052.251.948.048.8

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment dei:LegalEntity

dow:TheDowChemicalCompany


Accumulated
Period End2021-06-302020-12-312019-12-31
Value367003608633914
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0
Percentage of Assets59.458.756.0
Percentage of Assets dow:TheDowChemicalCompany59.558.856.2

dow:TheDowChemicalCompanyDomain


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value361123608635719348413413633914338873368732566
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.086.2
Percentage of Assets59.858.759.658.856.356.052.251.942.1
Percentage of Assets dow:TheDowChemicalCompanyDomain59.858.859.758.956.456.252.352.138.9

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

dow:FinanceLeases


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value246227216198193179167158145143
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment0.70.60.60.60.60.50.50.50.40.4
Percentage of Assets0.40.40.40.30.30.30.30.20.20.2
Percentage of Assets dow:FinanceLeases0.00.00.00.00.00.00.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10010110110010010099100104154116117118159
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Amortization
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10110010010099100104116116117118
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.075.3100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2322242424242623232525232323
Percentage of AmortizationOfIntangibleAssets23.021.823.824.024.024.026.323.022.116.221.619.719.514.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10010110110010010099100104154116117118159
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value198641989720239204132061820806209962100321250234922366221584
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.232.932.934.134.834.334.732.332.729.530.60.0

us-gaap:PropertyPlantAndEquipmentNet dei:LegalEntity

dow:TheDowChemicalCompany


Property
Period End2021-06-302020-12-312019-12-31
Value198642023920996
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0
Percentage of Assets32.232.934.7
Percentage of Assets dow:TheDowChemicalCompany32.233.034.8

dow:TheDowChemicalCompanyDomain


Property
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value198972023920413206182080620996210032125021418
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.090.5
Percentage of Assets32.932.934.134.834.334.732.332.727.7
Percentage of Assets dow:TheDowChemicalCompanyDomain33.033.034.134.834.334.832.432.825.6

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value204216232230284286330
Percentage of PropertyPlantAndEquipmentNet1.01.11.11.11.41.41.6
Percentage of Assets0.30.40.40.40.50.50.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary69.269.572.767.471.471.975.7

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value13833145711475014771
Percentage of PropertyPlantAndEquipmentNet68.369.462.368.4
Percentage of Assets22.524.119.10.0
Percentage of Assets country:US0.00.00.00.0

dow:EuropeMiddleEastAfricaandIndiaDomain


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value2813264926572547
Percentage of PropertyPlantAndEquipmentNet13.912.611.211.8
Percentage of Assets4.64.43.40.0
Percentage of Assets dow:EuropeMiddleEastAfricaandIndiaDomain0.00.00.00.0

dow:RestofWorldDomain


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value3593377640114266
Percentage of PropertyPlantAndEquipmentNet17.818.017.019.8
Percentage of Assets5.86.25.20.0
Percentage of Assets dow:RestofWorldDomain0.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value88338819890888548801878087969785984813812138489833
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.314.614.514.814.814.514.515.115.217.317.90.0

us-gaap:Goodwill dei:LegalEntity

dow:TheDowChemicalCompany


Goodwilldei:
Period End2021-06-302020-12-312019-12-31
Value883389088796
Percentage of Goodwill100.0100.0100.0
Percentage of Assets14.314.514.5
Percentage of Assets dow:TheDowChemicalCompany14.314.514.6

dow:TheDowChemicalCompanyDomain


Goodwilldei:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value881989088854880187808796978598489846
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.071.1
Percentage of Assets14.614.514.814.814.514.515.115.212.7
Percentage of Assets dow:TheDowChemicalCompanyDomain14.614.514.814.914.514.615.115.211.8

us-gaap:Goodwill us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value10981097110011021100109911001090109410951101
Percentage of Goodwill12.412.412.312.412.512.512.511.111.17.911.2
Percentage of Assets1.81.81.81.81.91.81.81.71.71.40.0
Percentage of Assets dow:IndustrialIntermediatesInfrastructure0.00.09.00.00.00.09.40.00.00.00.0

dow:PackagingSpecialtyPlastics


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value51115110511551125109510851095085509751015043
Percentage of Goodwill57.957.957.457.758.158.258.152.051.836.851.3
Percentage of Assets8.38.58.38.58.68.48.47.87.96.60.0
Percentage of Assets dow:PackagingSpecialtyPlastics0.00.017.00.00.00.017.30.00.00.00.0

dow:PerformanceMaterialsCoatings


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value26242612269326402592257325873610365736503689
Percentage of Goodwill29.729.630.229.829.529.329.436.937.126.437.5
Percentage of Assets4.24.34.44.44.44.24.35.65.64.70.0
Percentage of Assets dow:PerformanceMaterialsCoatings0.00.019.40.00.00.018.40.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value30933199335234423532363637593859400047434913
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.05.35.55.76.06.06.25.96.25.96.3

us-gaap:IntangibleAssetsNetExcludingGoodwill dei:LegalEntity

dow:TheDowChemicalCompany


Intangible
Period End2021-06-302020-12-312019-12-31
Value309333523759
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0
Percentage of Assets5.05.56.2
Percentage of Assets dow:TheDowChemicalCompany5.05.56.2

dow:TheDowChemicalCompanyDomain


Intangible
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value319933523442353236363759385940004225
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.086.0
Percentage of Assets5.35.55.76.06.06.25.96.25.5
Percentage of Assets dow:TheDowChemicalCompanyDomain5.35.55.86.06.06.26.06.25.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value335234423532363637563856399746944864
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.76.06.06.25.96.25.96.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value470483500516530543556567579639653
Percentage of FiniteLivedIntangibleAssetsNet0.00.014.915.015.014.914.814.714.513.613.4
Percentage of Assets0.80.80.80.90.90.90.90.90.90.80.8
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelatedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value17571799188219041928196520232060213726872760
Percentage of FiniteLivedIntangibleAssetsNet0.00.056.155.354.654.053.953.453.557.256.7
Percentage of Assets2.83.03.13.23.33.23.33.23.33.43.6
Percentage of Assets us-gaap:CustomerRelatedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value85890996110131065111811671219127112571321
Percentage of FiniteLivedIntangibleAssetsNet0.00.028.729.430.230.731.131.631.826.827.2
Percentage of Assets1.41.51.61.71.81.81.91.92.01.61.7
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TrademarksAndTradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8.08.09.09.09.010.010.010.010.04257
Percentage of FiniteLivedIntangibleAssetsNet0.00.00.30.30.30.30.30.30.30.91.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.1
Percentage of Assets us-gaap:TrademarksAndTradeNames0.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value17451810185618091881194220722130218325840.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.83.03.03.03.23.23.43.33.43.20.0

us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity

dow:TheDowChemicalCompany


Operating
Period End2021-06-302020-12-312019-12-31
Value174518562072
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0
Percentage of Assets2.83.03.4
Percentage of Assets dow:TheDowChemicalCompany2.83.03.4

dow:TheDowChemicalCompanyDomain


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value181018561809188119422072213021830.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.03.03.03.23.23.43.33.40.0
Percentage of Assets dow:TheDowChemicalCompanyDomain3.03.03.03.23.23.43.33.40.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value135412661249116211371068818821803859796
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.12.01.91.91.81.41.31.21.11.0

us-gaap:OtherAssetsNoncurrent dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-12-312019-12-31
Value13541249818
Percentage of OtherAssetsNoncurrent100.0100.0100.0
Percentage of Assets2.22.01.4
Percentage of Assets dow:TheDowChemicalCompany2.22.01.4

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value12651249116111371067818820801735
Percentage of OtherAssetsNoncurrent99.9100.099.9100.099.9100.099.999.892.3
Percentage of Assets2.12.01.91.91.81.41.31.20.9
Percentage of Assets dow:TheDowChemicalCompanyDomain2.12.01.91.91.81.41.31.20.9

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16171716171618
Percentage of OtherAssetsNoncurrent1.21.31.41.41.51.52.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.45.55.34.74.34.04.1

Other Assets

us-gaap:OtherAssets us-gaap:LitigationCase

us-gaap:OtherAssets

dow:DowVBrazilExcessPISCOFINSTaxes


Other
Period End2021-06-30
Value55
Percentage of OtherAssets100.0
Percentage of Assets0.1
Percentage of Assets dow:DowVBrazilExcessPISCOFINSTaxes0.0

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value462305397354331468522490370699791
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.50.60.60.60.80.90.80.60.91.0

us-gaap:AccruedIncomeTaxesCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Accrued
Period End2021-06-302020-12-312019-12-31
Value462397522
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0
Percentage of Assets0.70.60.9
Percentage of Assets dow:TheDowChemicalCompany0.70.60.9

dow:TheDowChemicalCompanyDomain


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value305397354331468522490370557
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.070.4
Percentage of Assets0.50.60.60.60.80.90.80.60.7
Percentage of Assets dow:TheDowChemicalCompanyDomain0.50.60.60.60.80.90.80.60.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value34943431379034082731281127623518360632323611
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.75.76.25.74.64.64.65.45.64.14.7

us-gaap:AccruedLiabilitiesCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Accrued
Period End2021-06-302020-12-312019-12-31
Value319832562233
Percentage of AccruedLiabilitiesCurrent91.585.980.8
Percentage of Assets5.25.33.7
Percentage of Assets dow:TheDowChemicalCompany5.25.33.7

dow:TheDowChemicalCompanyDomain


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value312032562784225323142233314530722931
Percentage of AccruedLiabilitiesCurrent90.985.981.782.582.380.889.485.281.2
Percentage of Assets5.25.34.63.83.83.74.84.73.8
Percentage of Assets dow:TheDowChemicalCompanyDomain5.25.34.73.83.83.74.94.73.5

us-gaap:AccruedLiabilitiesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value57627368122115141
Percentage of AccruedLiabilitiesCurrent1.61.81.92.04.54.15.1
Percentage of Assets0.10.10.10.10.20.20.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary19.319.922.919.930.728.932.3

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value211307349310293196193201205233165
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.50.60.50.50.30.30.30.30.30.2

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value123081135411108102079786111211067911201116051537313755
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.918.818.117.016.518.317.617.217.919.317.8

us-gaap:LiabilitiesCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Liabilities
Period End2021-06-302020-12-312019-12-31
Value120121057410150
Percentage of LiabilitiesCurrent97.695.295.0
Percentage of Assets19.417.216.8
Percentage of Assets dow:TheDowChemicalCompany19.517.216.8

dow:TheDowChemicalCompanyDomain


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1104310574958393081062410150112461221715547
Percentage of LiabilitiesCurrent97.395.293.995.195.595.0100.4105.3113.0
Percentage of Assets18.317.216.015.717.516.817.318.820.1
Percentage of Assets dow:TheDowChemicalCompanyDomain18.317.216.015.717.516.817.418.918.6

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilities
Period End2020-12-312019-12-31
Value73141
Percentage of LiabilitiesCurrent0.71.3
Percentage of Assets0.10.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary22.932.3

us-gaap:LiabilitiesCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

dow:PrincipalNonconsolidatedAffiliates


Liabilities
Period End2020-12-312019-12-31
Value39423743
Percentage of LiabilitiesCurrent35.535.1
Percentage of Assets6.46.2
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates13.011.8

Notes Payable Current

us-gaap:NotesPayableCurrent

us-gaap:NotesPayableCurrent


Notes
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3298531490586517544317305
Percentage of NotesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.51.42.51.00.80.80.40.4

us-gaap:NotesPayableCurrent dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Notes
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value32985314905869351691298
Percentage of NotesPayableCurrent100.0100.0100.0100.0180.9310.897.7
Percentage of Assets0.51.42.51.01.42.60.4
Percentage of Assets dow:TheDowChemicalCompanyDomain0.51.42.51.01.42.60.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4024054164053883844214184214770.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.70.70.70.60.70.60.60.60.0

us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity

dow:TheDowChemicalCompany


Operating
Period End2021-06-302020-12-312019-12-31
Value402416421
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0
Percentage of Assets0.70.70.7
Percentage of Assets dow:TheDowChemicalCompany0.70.70.7

dow:TheDowChemicalCompanyDomain


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value4054164053883844214184210.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.70.70.60.70.60.60.0
Percentage of Assets dow:TheDowChemicalCompanyDomain0.70.70.70.70.60.70.60.70.0

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:LiabilitiesNoncurrent

dow:PrincipalNonconsolidatedAffiliates


Liabilities
Period End2020-12-312019-12-31
Value2014420271
Percentage of LiabilitiesNoncurrent100.0100.0
Percentage of Assets32.833.5
Percentage of Assets dow:PrincipalNonconsolidatedAffiliates66.463.8

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1553816692169511704516739166971641017591174521952919594
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.227.627.628.428.227.527.127.126.924.525.3

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

dow:SadaraChemicalCompany, dow:TotalProjectFinancing


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1040010400108001080011200112001170011700
Percentage of LongTermDebt61.062.164.765.863.764.259.959.7
Percentage of Assets17.317.517.817.817.217.314.715.1
Percentage of Assets dow:SadaraChemicalCompany dow:TotalProjectFinancing0.00.00.00.00.00.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1509316200164911669816288163131597517213171551716019254
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.426.826.827.927.526.926.426.526.421.524.9

us-gaap:LongTermDebtAndCapitalLeaseObligations dei:LegalEntity

dow:TheDowChemicalCompany


Long
Period End2021-06-302020-12-312019-12-31
Value150931649115975
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0
Percentage of Assets24.426.826.4
Percentage of Assets dow:TheDowChemicalCompany24.526.926.5

dow:TheDowChemicalCompanyDomain


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value162001649116698162881631315975172131715519253
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.826.827.927.526.926.426.526.424.9
Percentage of Assets dow:TheDowChemicalCompanyDomain26.826.927.927.526.926.526.626.523.0

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.06.06.019203034
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.10.10.20.2
Percentage of Assets0.00.00.00.00.00.00.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary1.71.91.95.65.07.57.8

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value504485405347380500721664
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.70.60.60.80.90.9

us-gaap:DeferredIncomeTaxLiabilitiesNet dei:LegalEntity

dow:TheDowChemicalCompany


Deferred
Period End2021-06-302020-12-312019-12-31
Value504405347
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0
Percentage of Assets0.80.70.6
Percentage of Assets dow:TheDowChemicalCompany0.80.70.6

dow:TheDowChemicalCompanyDomain


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value485405337321352347380500501
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.00.00.00.0100.0100.0100.075.5
Percentage of Assets0.80.70.60.50.60.60.60.80.6
Percentage of Assets dow:TheDowChemicalCompanyDomain0.80.70.60.50.60.60.60.80.6

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilitiesNoncurrent


Deferred
Period End2020-09-302020-06-302020-03-312019-12-31
Value337321352347
Percentage of DeferredIncomeTaxLiabilitiesNet0.00.00.0100.0
Percentage of Assets0.60.50.60.6
Percentage of Assets us-gaap:OtherLiabilitiesNoncurrent0.00.00.00.0

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value975997809832100838447867491039226
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.316.516.216.713.013.411.411.9

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Pension
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value97599780983210083844786748926
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.096.7
Percentage of Assets16.316.516.216.713.013.411.5
Percentage of Assets dow:TheDowChemicalCompanyDomain16.316.516.216.713.013.410.7

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-31
Value135114071347
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent0.014.014.6
Percentage of Assets2.22.31.7
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-31
Value985682877227
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent0.082.278.3
Percentage of Assets16.013.79.3
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value580560570578560555553587589118011381181115211901186
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.91.00.90.90.90.90.91.51.50.00.00.00.0

us-gaap:MinorityInterest dei:LegalEntity

dow:TheDowChemicalCompany


Minority
Period End2021-06-302020-12-312019-12-312018-12-31
Value5805705531138
Percentage of MinorityInterest100.0100.0100.0100.0
Percentage of Assets0.90.90.91.5
Percentage of Assets dow:TheDowChemicalCompany0.90.90.90.0

dow:TheDowChemicalCompanyDomain


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value56057057856055555358758911381186
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.00.90.90.90.90.91.50.0
Percentage of Assets dow:TheDowChemicalCompanyDomain0.90.91.00.90.90.90.90.91.40.0

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5805605705785605555535875891180113811811152119011861242
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.90.90.91.00.90.90.90.90.91.51.50.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64286331627974977404693765476888556359755368
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.410.510.212.512.511.410.810.68.67.56.9

us-gaap:OtherLiabilitiesNoncurrent dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-12-312019-12-31
Value627561246174
Percentage of OtherLiabilitiesNoncurrent97.697.594.3
Percentage of Assets10.210.010.2
Percentage of Assets dow:TheDowChemicalCompany10.210.010.2

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value618461247254702765556174633549974709
Percentage of OtherLiabilitiesNoncurrent97.797.596.894.994.594.392.089.887.7
Percentage of Assets10.210.012.111.910.810.29.87.76.1
Percentage of Assets dow:TheDowChemicalCompanyDomain10.210.012.111.910.810.29.87.75.6

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16171819191921
Percentage of OtherLiabilitiesNoncurrent0.20.30.30.30.30.30.3
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.45.55.65.64.84.84.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value14191477152114881562162217391735177921260.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.32.42.52.52.62.72.92.72.72.70.0

us-gaap:OperatingLeaseLiabilityNoncurrent dei:LegalEntity

dow:TheDowChemicalCompany


Operating
Period End2021-06-302020-12-312019-12-31
Value141915211739
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0
Percentage of Assets2.32.52.9
Percentage of Assets dow:TheDowChemicalCompany2.32.52.9

dow:TheDowChemicalCompanyDomain


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value147715211488156216221739173517790.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.42.52.52.62.72.92.72.70.0
Percentage of Assets dow:TheDowChemicalCompanyDomain2.42.52.52.62.72.92.72.70.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value330323387359422472510515369
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.60.60.70.70.80.60.5

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value257253312288355391401421328
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.50.60.60.60.50.4

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value177174242222285329346343297
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.40.50.50.50.40.4

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value716704164806219265259291253
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.20.31.30.40.40.40.40.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7038039909791157978
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.31.51.51.51.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value18211882193718932160
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets2.93.13.23.23.6

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value213522052285224525762579278631642637
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.63.73.74.34.04.34.03.4

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value314323348352
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.50.50.60.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value155731400312435123541253712906135411739917911269662683132774325212678131515
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.223.220.220.621.221.322.426.827.633.834.70.00.00.00.0

us-gaap:StockholdersEquity dei:LegalEntity

dow:TheDowChemicalCompany


Stockholders
Period End2021-06-302020-12-312020-06-302019-12-312018-12-31
Value1594312999132921430932483
Percentage of StockholdersEquity102.4104.5106.0105.7121.1
Percentage of Assets25.821.122.423.642.0
Percentage of Assets dow:TheDowChemicalCompany25.821.20.023.70.0

dow:TheDowChemicalCompanyDomain


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14376129991311313292136731430917780176803266832483327743252131515
Percentage of StockholdersEquity102.7104.5106.1106.0105.9105.7102.298.7121.1121.1100.0100.0100.0
Percentage of Assets23.821.121.922.422.523.627.427.241.042.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain23.821.221.922.522.623.727.427.30.038.80.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value161531456313005129321309713461140941798618500281462796933955336732797132701
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.224.121.221.622.122.223.327.728.535.336.10.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompany


Stockholders
Period End2021-06-302020-12-312020-06-302019-12-312018-12-31
Value1652313569138521486233621
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest102.3104.3105.8105.4120.2
Percentage of Assets26.822.123.424.643.5
Percentage of Assets dow:TheDowChemicalCompany26.822.10.024.60.0

dow:TheDowChemicalCompanyDomain


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14936135691369113852142281486218367182693384833621339553367332701
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest102.6104.3105.9105.8105.7105.4102.198.8120.3120.2100.0100.0100.0
Percentage of Assets24.722.122.823.423.424.628.328.242.443.50.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain24.722.122.923.423.524.628.328.20.040.20.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity, us-gaap:StatementEquityComponents

dow:TheDowChemicalCompany, dow:UnearnedEsopShares


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value-32.0-39.0-49.0-69.0-81.0-91.0-134.0-189.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.3-0.4-0.5-0.6-0.6-0.5-0.6
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.2-0.20.0
Percentage of Assets dow:TheDowChemicalCompany dow:UnearnedEsopShares0.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompany, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value-9676.0-9913.0-10855.0-10225.0-10529.0-10246.0-9885.0-8591.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-59.9-68.1-83.5-78.1-78.2-72.7-35.3-26.3
Percentage of Assets-15.7-16.4-17.7-17.2-17.3-16.9-12.80.0
Percentage of Assets dow:TheDowChemicalCompany us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompany, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value79067751760374397378733370426553
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest48.953.258.556.854.852.025.220.0
Percentage of Assets12.812.812.412.512.212.19.10.0
Percentage of Assets dow:TheDowChemicalCompany us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompany, us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302020-06-30
Value580560
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.64.3
Percentage of Assets0.90.9
Percentage of Assets dow:TheDowChemicalCompany us-gaap:NoncontrollingInterest0.00.0

dow:TheDowChemicalCompany, us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value1774516577163001614716905173133546033742
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest109.9113.8125.3123.3125.6122.8126.8103.2
Percentage of Assets28.727.426.527.227.928.645.80.0
Percentage of Assets dow:TheDowChemicalCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, dow:UnearnedEsopShares


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-39.0-49.0-57.0-69.0-81.0-91.0-95.0-99.0-105.0-134.0-139.0-145.0-150.0-189.0-239.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.3-0.4-0.4-0.5-0.6-0.6-0.5-0.5-0.4-0.5-0.4-0.4-0.5-0.60.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.1-0.20.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain dow:UnearnedEsopShares0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0-9783.0-9885.0-9146.0-9387.0-8088.0-8591.0-9822.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-68.1-83.5-76.9-78.1-78.2-72.7-51.3-48.6-34.8-35.3-26.9-27.9-28.9-26.30.0
Percentage of Assets-16.4-17.7-16.6-17.2-17.3-16.9-14.2-13.9-12.3-12.80.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value775176037505743973787333724571927153704269536861675865534262
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest53.258.558.056.854.852.040.338.925.425.220.520.424.220.00.0
Percentage of Assets12.812.412.512.512.212.111.211.19.09.10.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:NoncontrollingInterest


Stockholders
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value560578560555587589118011811152
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.84.54.34.13.33.24.23.53.4
Percentage of Assets0.91.00.90.90.90.91.50.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:RetainedEarnings


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value165771630015606161471690517313198491957535403354603510635192338993374230338
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest113.8125.3120.7123.3125.6122.8110.4105.8125.8126.8103.4104.5121.2103.20.0
Percentage of Assets27.426.526.027.227.928.630.630.244.445.80.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

dow:UnearnedEsopShares


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-32.0-39.0-49.0-57.0-69.0-81.0-91.0-95.0-99.0-105.0-134.0-139.0-145.0-150.0-189.0-239.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.3-0.4-0.4-0.5-0.6-0.6-0.5-0.5-0.4-0.5-0.4-0.4-0.5-0.60.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.1-0.20.00.00.00.00.0
Percentage of Assets dow:UnearnedEsopShares0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-01-012016-12-31
Value-9676.0-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0-9783.0-9885.0-9146.0-9387.0-8088.0-8591.0-8571.0-9822.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-59.9-68.1-83.5-76.9-78.1-78.2-72.7-51.3-48.6-34.8-35.3-26.9-27.9-28.9-26.30.00.0
Percentage of Assets-15.7-16.4-17.7-16.6-17.2-17.3-16.9-14.2-13.9-12.3-12.80.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7898774375957497743173707325723971867153704269536861675865534262
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest48.953.258.458.056.754.852.040.238.825.425.220.520.424.220.00.0
Percentage of Assets12.812.812.412.512.512.112.111.111.19.09.10.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value8.08.08.08.08.08.08.07.07.00.00.00.00.00.00.03107
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.10.10.10.10.10.10.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value18200168291636115472160171676317045198732011029701298083510635192282612805030338
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest112.7115.6125.8119.6122.3124.5120.9110.5108.7105.5106.6103.4104.5101.085.80.0
Percentage of Assets29.527.826.625.827.027.628.230.631.037.238.50.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-825.0-625.0-625.0-625.0-625.0-625.0-500.0-406.0-305.00.00.00.00.00.00.0-1659.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-5.1-4.3-4.8-4.8-4.8-4.6-3.5-2.3-1.60.00.00.00.00.00.00.0
Percentage of Assets-1.3-1.0-1.0-1.0-1.1-1.0-0.8-0.6-0.50.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8000000.08000000.08000000.08000000.08000000.08000000.08000000.07000000.07000000.000
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value74977431737073257239718671537042
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.512.512.112.111.111.19.09.1

us-gaap:AdditionalPaidInCapital dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value7505743973787333724571927042
Percentage of AdditionalPaidInCapital100.1100.1100.1100.1100.1100.1100.0
Percentage of Assets12.512.512.212.111.211.19.1
Percentage of Assets dow:TheDowChemicalCompanyDomain12.512.612.212.111.211.18.4

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value78987743759573257042
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0
Percentage of Assets12.812.812.412.19.1

us-gaap:AdditionalPaidInCapitalCommonStock dei:LegalEntity

dow:TheDowChemicalCompany


Additional
Period End2021-06-302020-12-312019-12-31
Value790676037333
Percentage of AdditionalPaidInCapitalCommonStock100.1100.1100.1
Percentage of Assets12.812.412.1
Percentage of Assets dow:TheDowChemicalCompany12.812.412.1

dow:TheDowChemicalCompanyDomain


Additional
Period End2021-03-312020-12-312019-12-312018-12-31
Value7751760373337042
Percentage of AdditionalPaidInCapitalCommonStock100.1100.1100.1100.0
Percentage of Assets12.812.412.19.1
Percentage of Assets dow:TheDowChemicalCompanyDomain12.812.412.18.4

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1820016829163611547216017167631704519873201102970129808
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.527.826.625.827.027.628.230.631.037.238.5

us-gaap:RetainedEarningsAccumulatedDeficit dei:LegalEntity

dow:TheDowChemicalCompany


Retained
Period End2021-06-302020-12-312019-12-31
Value177451630017313
Percentage of RetainedEarningsAccumulatedDeficit97.599.6101.6
Percentage of Assets28.726.528.6
Percentage of Assets dow:TheDowChemicalCompany28.826.628.7

dow:TheDowChemicalCompanyDomain


Retained
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value165771630015606161471690517313198491957535460
Percentage of RetainedEarningsAccumulatedDeficit98.599.6100.9100.8100.8101.699.997.3119.0
Percentage of Assets27.426.526.027.227.928.630.630.245.8
Percentage of Assets dow:TheDowChemicalCompanyDomain27.526.626.127.327.928.730.630.342.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-9676.0-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0-9783.0-9885.0-9146.0-9387.0-8591.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-15.7-16.4-17.7-16.6-17.2-17.3-16.9-14.2-13.9-12.3-12.80.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Accumulated
Period End2021-06-302020-12-312019-12-31
Value-9676.0-10855.0-10246.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0
Percentage of Assets-15.7-17.7-16.9
Percentage of Assets dow:TheDowChemicalCompany-15.7-17.7-17.0

dow:TheDowChemicalCompanyDomain


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value-9913.0-10855.0-9941.0-10225.0-10529.0-10246.0-9219.0-8988.0-9885.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-16.4-17.7-16.6-17.2-17.3-16.9-14.2-13.9-12.8
Percentage of Assets dow:TheDowChemicalCompanyDomain-16.4-17.7-16.6-17.3-17.4-17.0-14.2-13.9-11.8

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-8276.0-8425.0-9559.0-8351.0-8498.0-8639.0-8781.0-7527.0-7635.0-7824.0-7965.0-7552.0-7675.0-6872.0-6998.0-7389.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax85.585.088.184.083.182.085.781.684.980.080.682.681.80.081.50.0
Percentage of Assets-13.4-13.9-15.6-13.9-14.3-14.2-14.5-11.6-11.8-9.8-10.30.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-354.0-360.0-470.0-494.0-532.0-556.0-394.0-469.0-335.0-131.0-56.0201-7.0-103.0-109.0-95.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax3.73.64.35.05.25.33.85.13.71.30.6-2.20.10.01.30.0
Percentage of Assets-0.6-0.6-0.8-0.8-0.9-0.9-0.7-0.7-0.5-0.2-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value72551044840-36.064604916-51.0-15.0-23.0-8.01743
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.7-0.6-1.0-0.5-0.40.3-0.6-0.7-0.5-0.20.50.20.20.0-0.20.0
Percentage of Assets0.10.10.20.10.1-0.10.10.10.10.0-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-1118.0-1183.0-930.0-1144.0-1235.0-1298.0-1135.0-1283.0-1067.0-1844.0-1813.0-1780.0-1682.0-1105.0-1481.0-2381.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax11.611.98.611.512.112.311.113.911.918.818.319.517.90.017.20.0
Percentage of Assets-1.8-2.0-1.5-1.9-2.1-2.1-1.9-2.0-1.6-2.3-2.30.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value8256256256256256255004063050.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.31.01.01.01.11.00.80.60.50.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value580560570578560555553587589118011381181115211901186
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.91.00.90.90.90.90.91.51.50.00.00.00.0

us-gaap:MinorityInterest dei:LegalEntity

dow:TheDowChemicalCompany


Minority
Period End2021-06-302020-12-312019-12-312018-12-31
Value5805705531138
Percentage of MinorityInterest100.0100.0100.0100.0
Percentage of Assets0.90.90.91.5
Percentage of Assets dow:TheDowChemicalCompany0.90.90.90.0

dow:TheDowChemicalCompanyDomain


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value56057057856055555358758911381186
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.00.90.90.90.90.91.50.0
Percentage of Assets dow:TheDowChemicalCompanyDomain0.90.91.00.90.90.90.90.91.40.0

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5805605705785605555535875891180113811811152119011861242
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.90.90.91.00.90.90.90.90.91.51.50.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue dei:LegalEntity, us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

dow:TheDowChemicalCompany, dow:UnearnedEsopShares


Adjustments
Period End2021-06-302020-06-30
Value7.012
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0
Percentage of Assets0.00.0
Percentage of Assets dow:TheDowChemicalCompany dow:UnearnedEsopShares0.00.0

dow:TheDowChemicalCompany, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302020-06-30
Value8247
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue1171.4391.7
Percentage of Assets0.00.0
Percentage of Assets dow:TheDowChemicalCompany us-gaap:AdditionalPaidInCapital0.00.0

dow:TheDowChemicalCompanyDomain, dow:UnearnedEsopShares


Adjustments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10.0121210.04.06.06.0295.06.05.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.00.0100.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain dow:UnearnedEsopShares0.00.00.00.00.00.00.00.00.00.00.0

dow:TheDowChemicalCompanyDomain, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2143472933556483837181
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.00.0391.70.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dow:TheDowChemicalCompanyDomain us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

dow:UnearnedEsopShares


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.010.08.0121210.04.06.06.0295.06.05.039
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.00.00.00.0100.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets dow:UnearnedEsopShares0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value82214343472933556483837181142
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue1171.40.00.00.0391.70.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value128.0-67.00.0111.0549.05.09.0822.037
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2004-291.0163017671590123919501724830142617307311951-158.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.4-2.415.218.219.012.719.116.07.513.014.55.815.3-1.3

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-109.01762160312391940181494213811730731
Percentage of NetCashProvidedByUsedInOperatingActivities37.599.7100.8100.099.5105.2113.596.8100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.918.119.212.719.016.98.612.614.55.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.918.119.212.719.016.98.612.614.55.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-755.0-13.0-225.0-82.0-381.0-153.0-597.0-715.0-394.0-486.0-885.0-858.0-360.0-92.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-5.4-0.1-2.1-0.8-4.6-1.6-5.9-6.6-3.6-4.4-7.4-6.8-2.8-0.8

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-13.0-82.0-381.0-153.0-597.0-715.0-382.0-498.0-885.0-858.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.097.0102.5100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.1-0.8-4.6-1.6-5.9-6.6-3.5-4.5-7.4-6.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.1-0.8-4.6-1.6-5.9-6.6-3.5-4.5-7.4-6.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1905.0-595.0-955.0-930.0-1144.0265-1839.0-589.0-1000.0-667.0-1483.0-1309.0-1759.0-853.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-13.7-5.0-8.9-9.6-13.72.7-18.0-5.5-9.1-6.1-12.4-10.4-13.8-7.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-777.0-925.0-1157.0265-1829.0-679.0-1101.0-633.0-1483.0-1309.0
Percentage of NetCashProvidedByUsedInFinancingActivities130.699.5101.1100.099.5115.3110.194.9100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-6.5-9.5-13.82.7-17.9-6.3-10.0-5.8-12.4-10.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-6.5-9.5-13.82.7-17.9-6.3-10.0-5.8-12.4-10.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-620.0-947.0553825851265-459.0356-584.0303-678.0-1426.0-337.0-1003.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-4.5-8.05.28.51.012.9-4.53.3-5.32.8-5.7-11.3-2.6-8.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Cash
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-947.0825851265356-464.0183-1426.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.079.560.4100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-8.08.51.012.93.3-4.21.7-11.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-8.08.51.012.93.3-4.21.7-11.3

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value244144456-139.0-2.0-57.0-82.0-83.026-89.0-434.0-2.074-67.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Deferred
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value144-139.0-2.0-57.0-82.0-83.09.0-72.0-434.0-2.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.034.680.9100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value745717726724700724713739646840726732614837
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Depreciation
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value717724700724713739743743726732
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0115.088.5100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value746611476336-582.0-314.0-22.0-476.018-468.0-666.0154476823
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayable dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Increase
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value611336-582.0-314.0-22.0-475.01.0-452.0-666.0154
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.099.85.696.6100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-800.0-478.0-1102.0158540-111.0-1151.0425-208.02661979-208.0-2151.01239
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInventories dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Increase
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value478-158.0-540.0111-185.0-425.0-105.047-261.0208
Percentage of IncreaseDecreaseInInventories-100.0-100.0-100.0-100.016.1-100.050.517.7-13.2-100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value291-295.0-1584.04922482541301-108.0-718.01111870176-1999.0684
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Increase
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value172-494.0-249.0-256.0-130.0100486274-408.0-176.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet-58.3-100.4-100.4-100.8-10.0-92.6-67.7246.8-21.8-100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2004-291.0163017671590123919501724830142617307311951-158.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.4-2.415.218.219.012.719.116.07.513.014.55.815.3-1.3

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-109.01762160312391940181494213811730731
Percentage of NetCashProvidedByUsedInOperatingActivities37.599.7100.8100.099.5105.2113.596.8100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.918.119.212.719.016.98.612.614.55.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.918.119.212.719.016.98.612.614.55.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1901991-25.0-225.023933375541101313331342
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.78.3-0.3-2.72.43.10.74.98.010.411.0

us-gaap:NetIncomeLoss dei:LegalEntity

dow:TheDowChemicalCompany


Net
Period End2021-06-302020-06-30
Value1914-225.0
Percentage of NetIncomeLoss100.7100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.8-2.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany13.8-2.7

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value983-25.0-225.023931020255610131333
Percentage of NetIncomeLoss99.2100.0100.0100.093.1269.3102.8100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.3-0.3-2.72.42.91.85.18.010.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain8.3-0.3-2.72.42.91.85.18.010.4

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value193210061254-1.0-217.0258-2310.034790586923104913641377
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.98.511.7-0.0-2.62.6-22.63.20.85.37.78.310.711.3

us-gaap:ProfitLoss dei:LegalEntity

dow:TheDowChemicalCompany


Profit
Period End2021-06-302020-06-30
Value1945-217.0
Percentage of ProfitLoss100.7100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.0-2.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompany14.0-2.6

dow:TheDowChemicalCompanyDomain


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9981264-1.0-217.0258-2292.032421760192310491364
Percentage of ProfitLoss99.2100.8100.0100.0100.099.293.4241.1102.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.411.8-0.0-2.62.6-22.53.02.05.57.78.310.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain8.411.8-0.0-2.62.6-22.53.02.05.57.78.310.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-755.0-13.0-225.0-82.0-381.0-153.0-597.0-715.0-394.0-486.0-885.0-858.0-360.0-92.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-5.4-0.1-2.1-0.8-4.6-1.6-5.9-6.6-3.6-4.4-7.4-6.8-2.8-0.8

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-13.0-82.0-381.0-153.0-597.0-715.0-382.0-498.0-885.0-858.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.097.0102.5100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.1-0.8-4.6-1.6-5.9-6.6-3.5-4.5-7.4-6.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-0.1-0.8-4.6-1.6-5.9-6.6-3.5-4.5-7.4-6.8

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value289297287273395577472470514646577489423
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value289287273395577472470442646577489
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.086.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value410150621120334128115391220173229401
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireInvestments dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value150120334128115391220173229401
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1905.0-595.0-955.0-930.0-1144.0265-1839.0-589.0-1000.0-667.0-1483.0-1309.0-1759.0-853.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-13.7-5.0-8.9-9.6-13.72.7-18.0-5.5-9.1-6.1-12.4-10.4-13.8-7.0

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-777.0-925.0-1157.0265-1829.0-679.0-1101.0-633.0-1483.0-1309.0
Percentage of NetCashProvidedByUsedInFinancingActivities130.699.5101.1100.099.5115.3110.194.9100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-6.5-9.5-13.82.7-17.9-6.3-10.0-5.8-12.4-10.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax dow:TheDowChemicalCompanyDomain-6.5-9.5-13.82.7-17.9-6.3-10.0-5.8-12.4-10.4

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfLongTermDebt

dow:USDollarNotes


Proceeds
Period End2020-09-30
Value556
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-30
Value5850
Percentage of RepaymentsOfLongTermDebt100.0100.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument

us-gaap:DebtSecurities


Repayments
Period End2020-09-30
Value493
Percentage of RepaymentsOfLongTermDebt986.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value522521516518
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-03-31
Value703643
Percentage of PaymentsOfDividendsCommonStock134.9124.1

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.00.0125941013050.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.0100.0100.0100.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

dow:A21PercentNotesDue2030


Debt
Period End2020-08-31
Value2.1
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations dow:A21PercentNotesDue20300.0

dow:A36PercentNotesDue2050


Debt
Period End2020-08-31
Value3.6
Percentage of DebtInstrumentInterestRateStatedPercentage171.4
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations dow:A36PercentNotesDue20500.0

dow:ThreePointFivePercentNotesDue2024


Debt
Period End2021-06-30
Value3.5
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations dow:ThreePointFivePercentNotesDue20240.0

dow:ThreePointOneFivePercentNotesDue2024


Debt
Period End2021-06-30
Value3.15
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations dow:ThreePointOneFivePercentNotesDue20240.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption, dow:A2019StockIncentivePlan


Share
Period End2020-12-312019-12-312018-12-31
Value202128
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, dow:A2019StockIncentivePlan


Share
Period End2020-12-312019-12-312018-12-31
Value47.4445.9646.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

dow:PerformanceStockUnitsPSUs


Share
Period End2021-03-312020-03-312019-06-30
Value1200000.01400000.01200000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-03-312020-03-312019-06-30
Value1600000.02000000.01800000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod133.3142.9150.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value657463865615
Percentage of DeferredTaxAssetsNet100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value373319314255231
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-31
Value130212621225
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-47.0-448.0-657.0838158-13.0178-16.0-603.080
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfShortTermDebt dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-47.0-448.0-657.0838158-13.0178-16.0-603.080
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityListingParValuePerShare

dei:EntityListingParValuePerShare


Entity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value00.010000.01
Percentage of EntityListingParValuePerShare0.0100.00.00.00.0100.0

dei:EntityListingParValuePerShare dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Entity
Period End2021-03-312020-09-302020-06-302020-03-31
Value0.01000.01
Percentage of EntityListingParValuePerShare100.00.00.0100.0

dow:BusinessCombinationIntegrationAndSeparationRelatedCosts

dow:BusinessCombinationIntegrationAndSeparationRelatedCosts


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6563466599164348408380313262202
Percentage of BusinessCombinationIntegrationAndSeparationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:BusinessCombinationIntegrationAndSeparationRelatedCosts dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6563466599164324452380313262
Percentage of BusinessCombinationIntegrationAndSeparationRelatedCosts100.0100.0100.0100.0100.0100.093.1110.8100.0100.0100.0

dow:Chargesrelatedtoseparationdistributionandtaxmattersagreements

dow:Chargesrelatedtoseparationdistributionandtaxmattersagreements


Chargesrelatedtoseparationdistributionandtaxmattersagreements
Period End2021-06-302019-12-312019-09-302019-06-30
Value5.0170.0127
Percentage of Chargesrelatedtoseparationdistributionandtaxmattersagreements100.0100.00.0100.0

dow:Chargesrelatedtoseparationdistributionandtaxmattersagreements us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Chargesrelatedtoseparationdistributionandtaxmattersagreementsus-gaap:
Period End2021-06-302019-12-31
Value5.017
Percentage of Chargesrelatedtoseparationdistributionandtaxmattersagreements100.0100.0

dow:Chargesrelatedtoseparationdistributionandtaxmattersagreements us-gaap:StatementBusinessSegments

us-gaap:Corporate


Chargesrelatedtoseparationdistributionandtaxmattersagreementsus-gaap:
Period End2021-06-302019-12-312019-09-302019-06-30
Value5.0170.0127
Percentage of Chargesrelatedtoseparationdistributionandtaxmattersagreements100.0100.00.0100.0

dow:DefinedBenefitPlanNetPeriodicBenefitCostCreditIncludingDiscontinuedOperations us-gaap:RetirementPlanType

dow:DefinedBenefitPlanNetPeriodicBenefitCostCreditIncludingDiscontinuedOperations

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value766665644344166253108109
Percentage of DefinedBenefitPlanNetPeriodicBenefitCostCreditIncludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:DigitalizationProgramCosts

dow:DigitalizationProgramCosts


Digitalization
Period End2021-06-302021-03-31
Value4833
Percentage of DigitalizationProgramCosts100.0100.0

dow:DigitalizationProgramCosts us-gaap:StatementBusinessSegments

us-gaap:Corporate


Digitalization
Period End2021-06-302021-03-31
Value4833
Percentage of DigitalizationProgramCosts100.0100.0

dow:DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates

dow:DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates


Distributions
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.01.00.06.0890.00.00.00.00.0
Percentage of DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates0.0100.00.0100.0100.00.00.00.00.00.0

dow:DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Distributions
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.00.06.0890.00.00.00.00.0
Percentage of DistributionsAndLoanRepaymentsFromNonconsolidatedAffiliates100.00.0100.0100.00.00.00.00.00.0

dow:DividendsPaidtoaJointVentureNotIncludedinDistributionstoNCI

dow:DividendsPaidtoaJointVentureNotIncludedinDistributionstoNCI


Dividends
Period End2021-06-302020-09-302020-06-30
Value8.00.07.0
Percentage of DividendsPaidtoaJointVentureNotIncludedinDistributionstoNCI100.00.0100.0

dow:EquitySecuritiesNetUnrealizedGainLoss

dow:EquitySecuritiesNetUnrealizedGainLoss


Equity
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1000000.0-1000000.01000000.01000000.01000000.01000000.05000000.02000000.0-1000000.09000000.0
Percentage of EquitySecuritiesNetUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:FinanceLeaseCost

dow:FinanceLeaseCost


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25222223191914201812
Percentage of FinanceLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dow:GainOnIndirectTaxContingenciesRealized us-gaap:LitigationCase, us-gaap:IncomeStatementLocation

dow:GainOnIndirectTaxContingenciesRealized

dow:DowVBrazilExcessPISCOFINSTaxes, us-gaap:CostOfSales


Gain
Period End2021-06-30
Value61
Percentage of GainOnIndirectTaxContingenciesRealized100.0

dow:InvestmentsInAndLoansToNonconsolidatedAffiliates

dow:InvestmentsInAndLoansToNonconsolidatedAffiliates


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value53441221143051052280.07.09.0
Percentage of InvestmentsInAndLoansToNonconsolidatedAffiliates100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

dow:InvestmentsInAndLoansToNonconsolidatedAffiliates dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Investments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value441221143051052280.07.09.0
Percentage of InvestmentsInAndLoansToNonconsolidatedAffiliates100.0100.0100.0100.0100.0100.00.0100.0100.0

dow:NoncontrollingInterestIncreaseDecreaseFromOtherActivity us-gaap:StatementEquityComponents

dow:NoncontrollingInterestIncreaseDecreaseFromOtherActivity

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0-1000000.01000000.0-1000000.000-2000000.00-1000000.01000000.002000000.0
Percentage of NoncontrollingInterestIncreaseDecreaseFromOtherActivity0.0100.0100.0100.00.00.0100.00.0100.0100.00.0100.0

dow:OperatingEBIT

dow:OperatingEBIT


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value2828155410547615784311171059
Percentage of OperatingEBIT100.0100.0100.0100.0100.0100.0100.0100.0

dow:OperatingEBIT us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value648326296104-220.0175193154
Percentage of OperatingEBIT22.921.028.113.7-386.020.817.314.5

dow:PackagingSpecialtyPlastics


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value20141228780647318580798768
Percentage of OperatingEBIT71.279.074.085.0557.968.871.472.5

dow:PerformanceMaterialsCoatings


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value22562507527162200214
Percentage of OperatingEBIT8.04.04.79.947.419.217.920.2

us-gaap:Corporate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-59.0-62.0-72.0-65.0-68.0-74.0-74.0-77.0
Percentage of OperatingEBIT-2.1-4.0-6.8-8.5-119.3-8.8-6.6-7.3

dow:RestructuringImplementationCosts

dow:RestructuringImplementationCosts


Restructuring
Period End2021-03-31
Value10000000.0
Percentage of RestructuringImplementationCosts100.0

dow:RestructuringImplementationCosts us-gaap:StatementBusinessSegments

us-gaap:Corporate


Restructuring
Period End2021-03-31
Value10000000.0
Percentage of RestructuringImplementationCosts100.0

dow:RevenuePercentagefromProductsandServiceTransferredtoCustomers

dow:RevenuePercentagefromProductsandServiceTransferredtoCustomers


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value98.098.099.00.980.9998.00.980.99
Percentage of RevenuePercentagefromProductsandServiceTransferredtoCustomers100.0100.0100.0100.0100.0100.0100.0100.0

dow:RightToPurchaseSharesSubscribedByEmployees us-gaap:GranteeStatus, us-gaap:PlanName

dow:RightToPurchaseSharesSubscribedByEmployees

dow:Employee, dow:EmployeeStockPurchasePlan


Right
Period End2021-06-30
Value2000000.0
Percentage of RightToPurchaseSharesSubscribedByEmployees100.0

dow:StockIssuedDuringPeriodValueNewIssuesandTreasuryStockReissued us-gaap:StatementEquityComponents

dow:StockIssuedDuringPeriodValueNewIssuesandTreasuryStockReissued

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7312755231416535.01.00.00.00.00.0
Percentage of StockIssuedDuringPeriodValueNewIssuesandTreasuryStockReissued100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

dow:StockIssuedDuringPeriodValueParentCompanyStockDowInc dei:LegalEntity, us-gaap:StatementEquityComponents

dow:StockIssuedDuringPeriodValueParentCompanyStockDowInc

dow:TheDowChemicalCompany, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-06-30
Value7314
Percentage of StockIssuedDuringPeriodValueParentCompanyStockDowInc100.0100.0

dow:TheDowChemicalCompanyDomain, us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1272314165.06.00.00.00.0
Percentage of StockIssuedDuringPeriodValueParentCompanyStockDowInc0.00.0100.00.00.00.00.00.00.0

dow:TransferofBusinessUnderCommonControl us-gaap:StatementEquityComponents

dow:TransferofBusinessUnderCommonControl

us-gaap:RetainedEarnings


Transferof
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1770.00.0-29667.0501484635-386.05237
Percentage of TransferofBusinessUnderCommonControl100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-30
Value-9.046
Percentage of AssetImpairmentCharges100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass

dow:NonManufacturingAssets


Asset
Period End2020-09-30
Value24
Percentage of AssetImpairmentCharges52.2

us-gaap:ManufacturingFacility


Asset
Period End2020-09-302019-12-312019-09-302019-03-31
Value7.0241612
Percentage of AssetImpairmentCharges15.20.00.00.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

dow:NonManufacturingAssets, us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2020-09-30
Value15
Percentage of AssetImpairmentCharges32.6

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments

us-gaap:ManufacturingFacility, us-gaap:FairValueMeasurementsNonrecurring, dow:PackagingSpecialtyPlastics


Asset
Period End2020-12-312019-12-312019-09-30
Value0.01924
Percentage of AssetImpairmentCharges-0.00.00.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value181310.03335161910.0166.02.04.08.07.0
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.05.0158.010.07.04.04.05.05.04.08.09.09.0
Percentage of AvailableForSaleSecuritiesGrossRealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6563466599164348402344289234
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationIntegrationRelatedCosts us-gaap:StatementBusinessSegments

us-gaap:Corporate


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6563466599164348402344289234
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashDividendsPaidToParentCompany dei:LegalEntity, us-gaap:StatementEquityComponents

us-gaap:CashDividendsPaidToParentCompany

dow:DowInc., us-gaap:RetainedEarnings


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-739.0-703.0-513.0-529.0-643.00.00.0
Percentage of CashDividendsPaidToParentCompany100.0100.0100.0100.0100.00.00.0

us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries

dow:TheDowChemicalCompany, dow:DowInc.


Cash
Period End2021-06-302020-06-30
Value739529
Percentage of CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries100.0100.0

dow:TheDowChemicalCompanyDomain, dow:DowInc.


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-03-31
Value7035485135296430.0
Percentage of CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries0.00.00.0100.00.00.0

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-17.0-63.0-9.03.030-66.0-85.0338341528
Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.70.70.70.70.70.70.70.70.70000
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.01510.00.00.00.015
Percentage of ContractWithCustomerAssetReclassifiedToReceivable0.00.0100.0100.00.00.00.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value140403530453545-10.04565955.03075
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanActuarialGainLoss us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanActuarialGainLoss

country:US


Defined
Period End2021-02-28
Value-1268.0
Percentage of DefinedBenefitPlanActuarialGainLoss100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.02.03.02.03.02.04.05.05.06.06.06.06.06.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-200.0-224.0-195.0-194.0-192.0-192.0-148.0-147.0-147.0-132.0-133.0-168.0-170.0-171.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-20000.0-11200.0-6500.0-9700.0-6400.0-9600.0-3700.0-2940.0-2940.0-2200.0-2216.7-2800.0-2833.3-2850.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5000000.0-5000000.0-5000000.0-4000000.0-5000000.0-5000000.0-4000000.0-5000000.0-5000000.0-6000000.0-6000000.0-6000000.0-6000000.0-6000000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

country:US


Defined
Period End2021-06-302021-03-31
Value0.01000
Percentage of DefinedBenefitPlanContributionsByEmployer0.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-31
Value481061111
Percentage of DefinedBenefitPlanContributionsByEmployer0.0106.10.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4354222899-415.0412414421420421417433401404406
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.06.01110.010.09.01112121412111111
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value150143193191191192226227227241235216217218
Percentage of DefinedBenefitPlanInterestCost3000.02383.31754.51910.01910.02133.32054.51891.71891.71721.41958.31963.61972.71981.8

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost dei:LegalEntity

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

dow:TheDowChemicalCompany


Defined
Period End2021-06-302020-06-30
Value8627
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0

dow:TheDowChemicalCompanyDomain


Defined
Period End2021-03-312020-09-302020-03-312019-12-312019-09-30
Value752627-366.044
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost0.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value867526272744
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.00.00.0100.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.06.09.010.09.09.09.09.06.010.08.08.07.08.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost7.00.00.00.033.30.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.0237666656443441662278384110
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost7.00.00.00.0240.70.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1

country:US


Defined
Period End2021-02-28
Value19
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-06-302019-09-302019-06-302018-09-302018-06-30
Value0.0190.00.0270.00.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments10.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.02.01.02.02.02.02.02.02.02.03.03.03.03.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value961021011009999949595112124131132133
Percentage of DefinedBenefitPlanServiceCost4800.05100.010100.05000.04950.04950.04700.04750.04750.05600.04133.34366.74400.04433.3

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent


Defined
Period End2021-06-302021-03-31
Value05.0
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.0100.0

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent us-gaap:RetirementPlanType

dow:AutomaticNonElectiveContribution


Defined
Period End2021-06-302021-03-31
Value04.0
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.080.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value518515534526517515535540538598531549540621
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation dei:LegalEntity

dow:TheDowChemicalCompany


Depreciationdei:
Period End2021-06-302020-06-30
Value518517
Percentage of Depreciation100.0100.0

dow:TheDowChemicalCompanyDomain


Depreciationdei:
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value515526517515540538543549540
Percentage of Depreciation100.0100.0100.0100.0100.0100.090.8100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-16.0-167.0-19.04.0174226-11.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:CommodityContract, us-gaap:Nondesignated, us-gaap:CostOfSales


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.0-30.01.0-7.06.0119.0-6.0-19.0-12.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet31.218.00.036.8150.064.70.0-14.3-73.1109.1

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:OtherNonoperatingIncomeExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5.0-113.043-5.09.0-19.01821383110.02682-17.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet31.267.70.026.3225.0-111.80.050.0146.2-281.80.00.00.00.0

us-gaap:InterestRateContract, us-gaap:Nondesignated, dow:InterestExpenseAndAmortizationOfDebtDiscount


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.0-2.0-3.0-1.0-6.0-3.00.00.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet6.21.215.8-25.0-35.3-7.10.0-0.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:HedgingDesignation

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-11.0-145.038-15.014-14.0261219-44.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet68.886.80.078.9350.0-82.40.028.673.1400.0

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

us-gaap:DerivativesUsedInNetInvestmentHedgeGainLossReclassifiedToEarningsNetOfTax

dow:ExcludedComponents, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:OtherNonoperatingIncomeExpense


Derivatives
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.01.02.02.02.01424252525
Percentage of DerivativesUsedInNetInvestmentHedgeGainLossReclassifiedToEarningsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStock

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-522.0-521.03623-518.0-516.0-518.02583-516.0-517.05350.00.00.01057
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value36-48.01037020-86.027-64.0-20.030-40.010.0-169.0100
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Effect
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-48.07020-86.027-64.0-20.030-40.010.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentDividendsOrDistributions

dow:EquatePetrochemicalCompanyKsc


Equity
Period End2021-03-312020-06-30
Value7994
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0

dow:TheKuwaitOlefinsCompanyKSCC


Equity
Period End2021-03-312020-09-302020-06-30
Value7411569
Percentage of EquityMethodInvestmentDividendsOrDistributions93.70.073.4

dow:TheKuwaitStyreneCompanyKSCC


Equity
Period End2021-03-312020-06-302020-03-31
Value250.042
Percentage of EquityMethodInvestmentDividendsOrDistributions31.60.00.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.07.06.07.06.06.06.06.07.06.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.07.06.07.06.06.06.06.07.06.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value18112413138.0187.06.03.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1915161613138.014116.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax dei:LegalEntity

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

dow:TheDowChemicalCompany


Foreign
Period End2021-06-302020-06-30
Value-4.0-6.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0

dow:TheDowChemicalCompanyDomain


Foreign
Period End2021-03-312020-09-302020-03-312019-12-312019-09-30
Value-12.0-22.0-17.0263.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax0.00.00.00.00.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Foreign
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-8.0-8.0-24.0-2.0-16.017
Percentage of ForeignCurrencyTransactionGainLossBeforeTax200.00.00.033.30.00.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-12.0-38.01085-244.0-27.0-12.0129-21.0-15.0-12.0622.0-59.033
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1 dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Gain
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3824427123321252.014-2.0
Percentage of GainLossOnDispositionOfAssets1-100.0-100.0-100.0-100.025.6-100.0-166.7-16.722.6-100.0

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

us-gaap:GainLossOnOilAndGasHedgingActivity

us-gaap:CommodityContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:CostOfSales


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.0131.0-4.0-17.0-11.0-28.0-27.0-26.00.0
Percentage of GainLossOnOilAndGasHedgingActivity100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

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


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-4.0-8.0-5.0-1.05.04.05.07.08.08.0
Percentage of GainLossOnOilAndGasHedgingActivity200.0-61.5-500.025.0-29.4-36.4-17.9-25.9-30.80.0

us-gaap:InterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, dow:InterestExpenseAndAmortizationOfDebtDiscount


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-2.0-3.0-1.00.00.00.00.0
Percentage of GainLossOnOilAndGasHedgingActivity100.0-23.125.0-0.0-0.0-0.00.0

us-gaap:InterestRateContract, us-gaap:FairValueHedging, us-gaap:DesignatedAsHedgingInstrument, dow:InterestExpenseAndAmortizationOfDebtDiscount


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.0-25.00.00.024170.00.0
Percentage of GainLossOnOilAndGasHedgingActivity-0.0-192.3-0.0-0.0-218.2-63.0-0.00.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.0-22.042-4.0-10.0312.0307.033
Percentage of GainLossOnOilAndGasHedgingActivity250.0-169.24200.0100.058.8-281.8-7.1-111.1-26.90.0

us-gaap:GainLossOnSaleOfOtherAssets dei:LegalEntity

us-gaap:GainLossOnSaleOfOtherAssets

dow:TheDowChemicalCompany


Gain
Period End2021-06-302020-06-30
Value14-4.0
Percentage of GainLossOnSaleOfOtherAssets100.0100.0

dow:TheDowChemicalCompanyDomain


Gain
Period End2021-03-312020-09-302020-03-312019-12-312019-09-30
Value482.09.03426
Percentage of GainLossOnSaleOfOtherAssets0.00.00.00.00.0

us-gaap:GainLossOnSaleOfOtherAssets us-gaap:IncomeStatementLocation

us-gaap:NonoperatingIncomeExpense


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value14482.0-4.09.026
Percentage of GainLossOnSaleOfOtherAssets100.00.00.0100.00.00.0

us-gaap:GainLossRelatedToLitigationSettlement

us-gaap:GainLossRelatedToLitigationSettlement


Gain
Period End2020-12-312020-09-302020-06-302019-12-312019-09-30
Value5380.06.00.0205
Percentage of GainLossRelatedToLitigationSettlement100.00.0100.00.0100.0

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:LitigationCase

dow:DowV.NovaChemicalsCorporationEthyleneAssetMatterMember


Gain
Period End2020-12-312020-06-302019-09-30
Value55218186
Percentage of GainLossRelatedToLitigationSettlement102.6300.090.7

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:LitigationCase, us-gaap:IncomeStatementLocation

dow:DowV.NovaChemicalsCorporationEthyleneAssetMatterMember, dow:SundryIncomeExpenseNet


Gain
Period End2020-12-312020-09-302020-06-302019-09-30
Value146.06.0170
Percentage of GainLossRelatedToLitigationSettlement2.60.0100.082.9

dow:DowV.NovaChemicalsCorporationEthyleneAssetMatterMember, us-gaap:NonoperatingIncomeExpense


Gain
Period End2020-12-312020-09-302020-06-302019-12-312019-09-30
Value5380.06.00.0170
Percentage of GainLossRelatedToLitigationSettlement100.00.0100.00.082.9

dow:DowV.NovaChemicalsCorporationEthyleneAssetMatterMember, us-gaap:SellingGeneralAndAdministrativeExpenses


Gain
Period End2020-12-312020-09-302020-06-302019-09-30
Value538121216
Percentage of GainLossRelatedToLitigationSettlement100.00.0200.07.8

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:StatementBusinessSegments

dow:PackagingSpecialtyPlastics


Gain
Period End2020-12-312020-09-302020-06-302019-12-312019-09-30
Value5380.06.00.0170
Percentage of GainLossRelatedToLitigationSettlement100.00.0100.00.082.9

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value14-89.0625521-16.051-63.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.0-3.02.02.01.0-1.011-4.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss7.13.43.23.64.86.221.66.3

dow:PackagingSpecialtyPlastics


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.0-5.07.05.01.0-1.024-12.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss7.15.611.39.14.86.247.119.0

dow:PerformanceMaterialsCoatings


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value12-81.0534819-14.016-47.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss85.791.085.587.390.587.531.474.6

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit

dow:RailInfrastructureOperationsAndAssets


Goodwill
Period End2020-12-31
Value0
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit0.0

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

dow:RailInfrastructureOperationsAndAssets, dow:PackagingSpecialtyPlastics


Goodwill
Period End2020-12-31
Value0
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit0.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value27822410660-95.0-89.0-21.0-44.0-15.01326135193243
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments dei:LegalEntity

dow:TheDowChemicalCompany


Income
Period End2021-06-302020-06-30
Value278-95.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0

dow:TheDowChemicalCompanyDomain


Income
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value22460-95.0-89.0-21.0-44.0-15.0-14.026135193
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0-107.7100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14411536-13.0-113.0-76.0-45.0-70.0-78.0-48.0-15.05496
Percentage of IncomeLossFromEquityMethodInvestments51.851.334.0-21.7118.985.4214.3159.1520.0-369.2-57.740.049.7

dow:PackagingSpecialtyPlastics


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1301067771205.0272374383783108
Percentage of IncomeLossFromEquityMethodInvestments46.847.372.6118.3-21.1-5.6-128.6-52.3-493.3292.3142.361.556.0

dow:PerformanceMaterialsCoatings


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.02.02.01.02.01.02.02.01.00.00.03.01.0
Percentage of IncomeLossFromEquityMethodInvestments0.00.91.91.7-2.1-1.1-9.5-4.5-6.70.00.02.20.5

us-gaap:Corporate


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.01.0-9.01.0-4.0-19.0-5.01.0-12.0-4.04.0-5.0-12.0
Percentage of IncomeLossFromEquityMethodInvestments1.40.4-8.51.74.221.323.8-2.380.0-30.815.4-3.7-6.2

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-237.0-46.0-958.060321134-2041.0471630-750.0-189.0-115.0483-287.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Income
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value46-60.0-321.0-134.0-187.0-47.0-105.0-775.0-27.0115
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions-100.0-100.0-100.0-100.09.2-100.0-6.4103.314.3-100.0

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1037.0-866.0-510.0-357.0568128-2247.0755181582277-307.0-2639.01524
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Increase
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value866357-568.0-128.0-259.0-754.0-155.0-85.0-567.0307
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable-100.0-100.0-100.0-100.011.5-99.9-85.6-146.6-24.9-100.0

us-gaap:IncreaseDecreaseInPensionPlanObligations us-gaap:RetirementPlanType

us-gaap:IncreaseDecreaseInPensionPlanObligations

country:US


Increase
Period End2021-02-28
Value-345000000.0
Percentage of IncreaseDecreaseInPensionPlanObligations100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5900000.05000000.001800000.0-2800000.03200000.05100000.00000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value138.0116.06.01523192118222218
Percentage of InterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOther dei:LegalEntity

dow:TheDowChemicalCompany


Interest
Period End2021-06-302020-06-30
Value135.0
Percentage of InterestIncomeOther100.083.3

dow:TheDowChemicalCompanyDomain


Interest
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8.07.05.01623192118222218
Percentage of InterestIncomeOther100.0116.783.3106.7100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value292261237242239256201294269230
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease dei:LegalEntity, us-gaap:LitigationCase

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease

dow:DowSiliconesCorporation, dow:CommercialCreditorsLitigation


Loss
Period End2020-09-302019-09-302017-06-30
Value5050-33.0
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease100.0100.0100.0

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease dei:LegalEntity, us-gaap:ProductOrService

dow:DowSiliconesCorporation, dow:BreastImplantandOtherProductsLiabilityClaims


Loss
Period End2020-09-302019-09-30
Value-98.098
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease-196.0196.0

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease us-gaap:ProductOrService, us-gaap:IncomeStatementLocation

dow:BreastImplantandOtherProductsLiabilityClaims, us-gaap:NonoperatingIncomeExpense


Loss
Period End2020-12-312019-12-312019-09-30
Value0.00.085
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease0.00.0170.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-955.0-930.0-1144.0265-1839.0-589.0-1034.0-615.0-1474.0-1308.0
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-925.0-1157.0265-1829.0-679.0-1101.0-615.0-1474.0-1308.0
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations99.5101.1100.099.5115.3106.5100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-225.0-82.0-381.0-153.0-597.0-715.0-382.0-464.0-719.0-767.0
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-82.0-381.0-153.0-597.0-715.0-382.0-464.0-719.0-767.0
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2021-228.016561761159912361920179096010431389203
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1762160312391940178993410431389203
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.1100.3100.2101.099.997.3100.0100.0100.0

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1234-28.0-227.0237-2325.033173124467682785
Percentage of NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value193210061254-1.0-217.0258-2310.0347906019231049
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Net
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value998-1.0-217.0258-2292.03242176019231049
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest99.2100.0100.0100.099.293.4241.1100.0100.0100.0

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2020-12-312020-09-30
Value0.07.0
Percentage of NoncontrollingInterestDecreaseFromDeconsolidation0.0100.0

us-gaap:NotesIssued1 us-gaap:DebtInstrument

us-gaap:NotesIssued1

dow:InterNotesredeemed


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value392923706037141
Percentage of NotesIssued1100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value118121122122120120134134139125
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value118127125117114126146129136133
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1.0-16.02.08.016-5.06.0-7.0-5.0-34.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value17-49.0568.076-100.04.0113367-36.08.0-14.0-25.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value1776
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-49.0568.076-100.04.0113367-36.08.0-14.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.01268-1771.02.00.0-1733.00.034-625.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.0100.0100.0100.00.0100.00.0100.0100.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-10.0122184517-176.075-187.0-263.0-95.0-309.0241108
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.09.6-1.02250.00.00.0-4.30.0-773.50.049.40.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value39-54.06535122-118.020205286-48.06.0-18.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.0-4.3-3.71750.00.00.0-1.20.0152.90.07.70.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value67-217.020911663-161.0159-164.076-12.0-49.0-94.0-443.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.0-17.1-11.85800.00.00.0-9.20.0223.50.07.80.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0970-1360.02.00.0-1310.00.0240.0-495.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.0100.0100.0100.00.0100.00.0100.00.0100.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.0113193515-166.066-150.0-217.0-68.0-267.019691-16.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.011.6-1.41750.00.00.0-5.00.0-904.20.053.90.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value30-43.0522795-93.015164168-38.05.0-15.0-26.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.0-4.4-3.81350.00.00.0-1.10.0170.80.07.70.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value68-253.021612065-149.0169-190.091-13.0-31.0-98.0-468.0376
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.0-26.1-15.96000.00.00.0-12.90.0379.20.06.30.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.0-298.00.04230.0-10.01300.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.0100.00.0100.00.0100.0100.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8.0-9.01.0-10.0-2.010.0-9.037462742-45.0-17.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.03.00.00.00.00.0-2.10.0-460.00.032.30.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-9.011-13.0-8.0-27.025-5.0-4.0-11.0-18.010.0-1.03.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.0-3.70.00.00.00.0-1.20.0110.00.07.70.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.0-36.07.04.02.01210.0-26.015-1.018-4.0-25.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.012.10.00.00.00.02.40.0-150.00.013.80.00.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.0110243824-162.075-134.0-204.0-75.0-257.02081186.0
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value6.024
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value110243824-162.075-134.0-204.0-75.0-257.0208118
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-149.0-1134.01208-147.0-141.0-142.01254-108.0-106.0-141.0413-123.0-124.0-126.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax dei:LegalEntity

dow:TheDowChemicalCompany


Other
Period End2021-06-302020-06-30
Value-149.0-141.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1134.01208-147.0-141.0-142.01254-108.0-106.0-141.0413-123.0-124.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.087-34.01420-32.013-38.0-237.073
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:CommodityContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4165154222-87.09.0-29.0-41.055
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax1025.074.7-44.1300.0110.0271.969.276.317.375.3

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.010.0-35.0-19.0-6.022-31.077-128.030
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax75.011.5102.9-135.7-30.0-68.8-238.5-202.654.041.1

us-gaap:InterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-44.00.00.0-109.0-130.0-106.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax-1100.00.0-0.0286.854.9-145.2

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

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


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.05.0-11.0-12.0-5.08.0-5.015-1.07.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax25.05.732.4-85.7-25.0-25.0-38.5-39.50.49.6

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:OtherComprehensiveIncomeLocation

dow:ExcludedComponents, us-gaap:FairValueHedging, us-gaap:DesignatedAsHedgingInstrument, dow:CumulativeTranslationAdjustments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.02.0-3.03.04.03.01.00.0-4.00.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax0.02.38.821.420.0-9.47.7-0.01.70.0

dow:ExcludedComponents, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument, dow:CumulativeTranslationAdjustments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.05.00.00.05.02210.00.06686
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax75.05.7-0.00.025.0-68.876.9-0.0-27.8117.8

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.087-34.01420-32.013-38.0-237.073
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value16955-606.012528135-341.028154-39.0-742.086339-98.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Other
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-59.0-124.0-31.0-136.0-56.0-42.0-82.0-33.0-88.0-86.0
Percentage of OtherNoncashIncomeExpense-107.3-99.2-110.7-100.716.4-150.0-53.284.611.9-100.0

us-gaap:OtherNonrecurringIncomeExpense

us-gaap:OtherNonrecurringIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-198.0-43.0961-523.0-46.0-247.0-3030.0-466.0-628.0-558.0-438.0-343.0-286.0
Percentage of OtherNonrecurringIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonrecurringIncomeExpense us-gaap:StatementBusinessSegments

dow:IndustrialIntermediatesInfrastructure


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1.061-22.00.00.0-1175.0-13.00.00.00.00.00.0
Percentage of OtherNonrecurringIncomeExpense0.56.34.2-0.0-0.038.82.8-0.0-0.0-0.0-0.0-0.0

dow:PackagingSpecialtyPlastics


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-8.0555170.0-6.0-389.0134-6.0-13.0-30.0-7.0-3.0
Percentage of OtherNonrecurringIncomeExpense4.057.8-3.3-0.02.412.8-28.81.02.36.82.01.0

dow:PerformanceMaterialsCoatings


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-10.0-3.0-189.00.00.0-1044.0-60.0-22.00.0-7.00.0-35.0
Percentage of OtherNonrecurringIncomeExpense5.1-0.336.1-0.0-0.034.512.93.5-0.01.6-0.012.2

us-gaap:Corporate


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-179.0-43.0348-329.0-46.0-241.0-422.0-527.0-600.0-545.0-401.0-336.0-248.0
Percentage of OtherNonrecurringIncomeExpense90.4100.036.262.9100.097.613.9113.195.597.791.698.086.7

us-gaap:PaymentsForLegalSettlements us-gaap:EnvironmentalRemediationSite

us-gaap:PaymentsForLegalSettlements

dow:TittabawasseeAndSaginawRiversSaginawBay


Payments
Period End2020-12-31
Value15
Percentage of PaymentsForLegalSettlements100.0

dow:TittabawasseeAndSaginawRiversSaginawBayLocalProjects


Payments
Period End2020-12-31
Value7.0
Percentage of PaymentsForLegalSettlements46.7

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2020-12-312020-09-30
Value-58.00.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2020-09-30
Value0.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities0.0

us-gaap:PaymentsForRestructuring dei:LegalEntity, us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:PaymentsForRestructuring

dow:TheDowChemicalCompanyDomain, us-gaap:EmployeeSeverance, dow:A2020RestructuringProgram


Payments
Period End2020-09-30
Value1.0
Percentage of PaymentsForRestructuring100.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

dow:CostsAssociatedwithExitandDisposalActivities, dow:A2020RestructuringProgram


Payments
Period End2021-06-302021-03-31
Value3.012
Percentage of PaymentsForRestructuring0.00.0

us-gaap:EmployeeSeverance, dow:A2020RestructuringProgram


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value53377.01.0
Percentage of PaymentsForRestructuring0.00.00.0100.0

us-gaap:EmployeeSeverance, dow:DowDuPontCostSynergyProgram


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4421425277719739565448
Percentage of PaymentsForRestructuring4400.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringPlan

dow:A2020RestructuringProgram


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value56498.01.0
Percentage of PaymentsForRestructuring0.00.00.0100.0

dow:DowDuPontCostSynergyProgram


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value44224356837112642566051
Percentage of PaymentsForRestructuring4400.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value208.0430.0181.0619.0-2.09.0942.01524
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value8.00.0181.0619.05.02.0942.0
Percentage of PaymentsOfDividendsMinorityInterest100.00.0100.0100.0100.0100.0-250.022.2100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value941.00.0766.093585.0560.0700.0
Percentage of PaymentsOfFinancingCosts100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:PaymentsOfFinancingCosts dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.0766.093585.0560.0700.0
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsOfOrdinaryDividends


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5185165185175165170.00.00.0
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfOrdinaryDividends dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value5135296430.00.0
Percentage of PaymentsOfOrdinaryDividends99.0102.5124.10.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.010.01.00.00.0266.04.0-4.0541.06.0-7.077
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10.00.00.0266.04.05.0451.06.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.00.00.0100.0100.0100.0-125.083.3100.0100.0

us-gaap:PaymentsToAcquireEquipmentOnLease

us-gaap:PaymentsToAcquireEquipmentOnLease


Payments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-30
Value1.02.01.02.00.00.0260.0
Percentage of PaymentsToAcquireEquipmentOnLease100.0100.0100.0100.00.00.0100.00.0

us-gaap:PaymentsToAcquireEquipmentOnLease dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302019-12-312019-09-302018-12-312018-09-30
Value2.02.00.00.0260.0
Percentage of PaymentsToAcquireEquipmentOnLease100.0100.00.00.0100.00.0

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireMachineryAndEquipment


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value333289273395
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0100.0100.0

us-gaap:PaymentsToAcquireMachineryAndEquipment dei:LegalEntity

dow:TheDowChemicalCompany


Payments
Period End2021-06-302020-06-30
Value333273
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-03-31
Value289395
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value159.00.00.00.05.05.023232532361828
Percentage of PaymentsToExploreAndDevelopOilAndGasProperties100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value9.00.00.05.05.02323253236
Percentage of PaymentsToExploreAndDevelopOilAndGasProperties100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:PensionAndOtherPostretirementBenefitContributions


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value481061111764963555449103118116065308
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitContributions dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Pension
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1061764963555453991181160
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0108.296.1100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitExpense

us-gaap:PensionAndOtherPostretirementBenefitExpense


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.023716665644344-5.062278359110
Percentage of PensionAndOtherPostretirementBenefitExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitExpense dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Pension
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value23666564434416412783
Percentage of PensionAndOtherPostretirementBenefitExpense100.0100.0100.0100.0100.0100.0-320.066.1100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7312755231416545.06.0286.0212263
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value127231416545.06.0286.021
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value392923214060244914113620100.019990.0
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value29214060244914113620100.019990.0
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value99428113219318472279238559176189274
Percentage of ProceedsFromSaleAndMaturityOfOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value428219318472279238559176189274
Percentage of ProceedsFromSaleAndMaturityOfOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7318795200294248234370375159173255277348
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.09.06342813.01137389.00.0321.0
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value9.02813.01137389.00.0321.0
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

dow:RailInfrastructureOperationsAndAssets


Proceeds
Period End2020-09-30
Value303
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets107.8

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths dei:LegalEntity

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths

dow:TheDowChemicalCompanyDomain


Proceeds
Period End2020-09-30
Value0.0
Percentage of ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths0.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-17.0-8.05.0-25.0-25.0-9.0-15.0-6.0-11.0-1.02.04.01.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19419819618818418591139108166126156158154
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-1141.2-2475.03920.0-752.0-736.0-2055.6-606.7-2316.7-981.8-16600.06300.03900.015800.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.0-3.06.05.0127.0142017-7.014163227
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-52.937.5120.0-20.0-48.0-77.8-93.3-333.3-154.5700.0700.0400.03200.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-13.0-6.04.0-19.0-19.0-7.0-11.0-5.0-8.0-1.02.03.01.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-3.0-2.0-29.0-2.0-14.0-21.0-26.0-24.0-18.0-2.00.0-2.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax23.1-50.0152.610.5200.0190.9520.0300.01800.0-100.00.0-200.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value149164152145141142561088214182123124126
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-1146.2-2733.33800.0-763.2-742.1-2028.6-509.1-2160.0-1025.0-14100.04100.04100.012400.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.0-3.05.03.09.04.09.01613-7.010.0122722
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-61.550.0125.0-15.8-47.4-57.1-81.8-320.0-162.5700.0500.0400.02700.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.02.0-1.06.06.02.04.01.03.00.00.0-1.00.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-45.0-34.0-44.0-43.0-43.0-43.0-35.0-31.0-26.0-25.0-44.0-33.0-34.0-28.0
Percentage of ReclassificationFromAociCurrentPeriodTax-1125.0-1700.04400.0-716.7-716.7-2150.0-875.0-3100.0-866.70.00.03300.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.0-1.0-2.0-3.0-3.0-5.0-4.0-4.00.0-4.0-4.0-5.0-5.0
Percentage of ReclassificationFromAociCurrentPeriodTax-25.0100.0-33.3-50.0-150.0-125.0-400.0-133.30.00.0400.00.00.0

us-gaap:RepaymentsOfDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfDebt

us-gaap:RevolvingCreditFacility, dow:TermLoanFacilityDueSeptember2023


Repayments
Period End2020-08-312020-03-31
Value1250750
Percentage of RepaymentsOfDebt100.0100.0

us-gaap:RepaymentsOfDebt us-gaap:DebtInstrument

dow:ThreePointFivePercentNotesDue2024


Repayments
Period End2021-06-30
Value811
Percentage of RepaymentsOfDebt0.0

dow:ThreePointOneFivePercentNotesDue2024


Repayments
Period End2021-06-30
Value208
Percentage of RepaymentsOfDebt0.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12611643061988842275129050414180219529151454
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Repayments
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value16419888422751290504140812195291
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0101.2100.0100.0

us-gaap:RepaymentsOfNotesPayable us-gaap:DebtInstrument

us-gaap:RepaymentsOfNotesPayable

dow:InterNotesRedeemedVariousMaturities


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value86118931070.0200
Percentage of RepaymentsOfNotesPayable100.0100.0100.0100.00.0100.0

dow:InterNotesredeemed


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.013147034625.0378.0725.066
Percentage of RepaymentsOfNotesPayable5.811.015.165.40.031.00.00.00.00.00.00.0

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths


Repayments
Period End2020-12-312020-09-30
Value0.063
Percentage of RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths0.0100.0

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths dei:LegalEntity

dow:TheDowChemicalCompanyDomain


Repayments
Period End2020-09-30
Value63
Percentage of RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43-11.06176.096285114765156464832
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

dow:Assetwritedownsandwriteoffs, dow:A2020RestructuringProgram


Restructuring
Period End2020-09-30
Value197
Percentage of RestructuringCharges31.9

dow:CostsAssociatedwithExitandDisposalActivities, dow:A2020RestructuringProgram


Restructuring
Period End2020-09-30
Value81
Percentage of RestructuringCharges13.1

us-gaap:EmployeeSeverance, dow:A2020RestructuringProgram


Restructuring
Period End2020-09-30
Value297
Percentage of RestructuringCharges48.1

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments

dow:Assetwritedownsandwriteoffs, dow:A2020RestructuringProgram, dow:IndustrialIntermediatesInfrastructure


Restructuring
Period End2020-09-30
Value22
Percentage of RestructuringCharges3.6

dow:Assetwritedownsandwriteoffs, dow:A2020RestructuringProgram, dow:PackagingSpecialtyPlastics


Restructuring
Period End2020-09-30
Value11
Percentage of RestructuringCharges1.8

dow:Assetwritedownsandwriteoffs, dow:A2020RestructuringProgram, dow:PerformanceMaterialsCoatings


Restructuring
Period End2020-09-30
Value117
Percentage of RestructuringCharges19.0

dow:Assetwritedownsandwriteoffs, dow:A2020RestructuringProgram, us-gaap:Corporate


Restructuring
Period End2020-09-30
Value47
Percentage of RestructuringCharges7.6

dow:CostsAssociatedwithExitandDisposalActivities, dow:A2020RestructuringProgram, dow:PerformanceMaterialsCoatings


Restructuring
Period End2020-09-30
Value57
Percentage of RestructuringCharges9.2

dow:CostsAssociatedwithExitandDisposalActivities, dow:A2020RestructuringProgram, us-gaap:Corporate