GLW


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:Revenues
us-gaap:ProductOrService

us-gaap:CostOfRevenue

us-gaap:GrossProfit

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:InterestAndDebtExpense
us-gaap:ConsolidationItems

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

glw:CumulativeAdjustmentRelatedToCustomerContract
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
glw:ForeignCurrencyDebtNotIncludedInSegments

glw:ForeignCurrencyTranslationsNotIncludedInSegment
us-gaap:ConsolidationItems
glw:ForeignCurrencyTranslationsNotIncludedInSegmentNetIncome
us-gaap:StatementEquityComponents
glw:OtherComprehensiveIncomeLossEquityMethodInvestmentsNetOfTax
us-gaap:ConsolidationItems
glw:ReconciliationOfOtherCorporateItems

glw:ResearchDevelopmentAndEngineeringExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation
glw:RevenueCurrencyAdjustment

glw:RevenueNet

glw:SalesRevenueGoodsBeforeForeignCurrencyTranslations
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

glw:SharesIssuedToBenefitPlansAndForOptionExercises
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
glw:StockDividendRatePercentageIncrease

glw:TranslatedEarningsContractGainLossNet

us-gaap:AmortizationOfIntangibleAssets
us-gaap:ConsolidationItems

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:AssetImpairmentCharges

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems
us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems
us-gaap:StatementScenario, us-gaap:TaxPeriod
us-gaap:IncomeTaxExaminationPenaltiesAndInterestExpense

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:InvestmentIncomeInterest
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:ProceedsFromDepositsFromCustomers

us-gaap:ProceedsFromDerivativeInstrumentInvestingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:CreditFacility
us-gaap:ProceedsFromRepaymentsOfDebt
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:SeveranceCosts1
us-gaap:ConsolidationItems

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredParValueMethod
us-gaap:ShareRepurchaseProgram
us-gaap:StatementEquityComponents

glw:InvestmentLiabilitiesNoncurrent
us-gaap:EnvironmentalRemediationContingency
us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedLiabilitiesCurrent
us-gaap:BalanceSheetLocation
us-gaap:AccruedLiabilitiesFairValueDisclosure
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AccruedRentCurrent

us-gaap:AccruedRentNoncurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:ContractWithCustomerLiability
us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

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

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

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

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:TaxPeriod
us-gaap:IncomeTaxesReceivableNoncurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventorySuppliesNetOfReserves

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongTermDebtFairValue
us-gaap:LitigationCase
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LitigationCase, us-gaap:RestructuringPlan

us-gaap:LossContingencyAccrualCarryingValueCurrent
us-gaap:LitigationCase, us-gaap:RestructuringPlan

us-gaap:LossContingencyAccrualCarryingValueNoncurrent
us-gaap:LitigationCase, us-gaap:RestructuringPlan
us-gaap:LitigationCase
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:OtherAccruedLiabilitiesNoncurrent
us-gaap:BalanceSheetLocation
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation
us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
us-gaap:ShortTermDebtType
us-gaap:ShortTermBorrowings

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockShares

Tables

  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ██████▇▇▇▇▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▁▁▁859859858857857856855854854853852850846844842841840840840840836836835833831829828826825824823822818817817812812811NANANA
us-gaap:CommonStockSharesIssued ███▇▇▄▆▆▅▅▅▄▁▁17191717171717151713170017111709170817061705170016911689NA16821681168016801679167216711669166716611658165616531649164716451644163516341633162416231621NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁▇▂█760897789908NA930943848NA10091034936NA110211821103NA121813711394NA141113151370NA146314781481NA1494015301588015891580NANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁▅▇█760775781784NA805819848NA883908925NA97810591103NA121012461266NA128413021359NA145414691472NA14830151615691568156515571558155515501550NA
us-gaap:EarningsPerShareBasic ▄▅▄▅▅▆▆▃▁▅▅▄▇▅█▃▄▄▅▅▆▆▄▅▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▄-0.160.40.090.610.270.750.87-0.72-1.660.410.460.071.640.272.06-0.360.170.160.380.30.760.770.110.210.30.280.430.330.110.350.310.30.520.480.480.50.590.520.410.390.01
us-gaap:EarningsPerShareDiluted ▄▅▄▅▅▆▆▃▁▅▅▄▇▅█▄▅▅▅▅▆▆▅▅▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▄-0.160.380.090.550.260.670.78-0.72-1.660.390.420.071.470.261.87-0.360.170.150.360.290.70.720.110.20.30.280.430.330.10.350.30.30.510.470.470.50.580.520.410.390.01
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▆██▇██▇▆▇▇▆▆▆▆▆▅▅▅▆▅▆▆▆▅▄▅▄▄▅▅▄▄▅▄▄▃▃▃▃▂▁2391293429402812303530082747250026372607249723752476250723602047223122722343226524042540248222891956206719821814214620381908192020752005192316021712155314791395989
us-gaap:Revenues ▆██▇██▇▆▇▇▆▆▆▆▆▅▅▅▆▅▆▆▆▅▄▅▄▄▅▅▄▄▅▄▄▃▃▃▃▂▁2391293429402812303530082747250026372607249723752476250723602047223122722343226524042540248222891956206719821814214620381908192020752005192316021712155314791395989
 us-gaap:Revenues us-gaap:ProductOrService glw:DisplayProducts▁▇█▇633780820795NA815768732NA767747736NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService glw:EnvironmentalSubstrateAndFilterProducts▁█▅▅307380353351NA331317322NA277263275NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService glw:LifeScienceProducts▆▆█▁251250255239NA231245232NA223221210NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService glw:SpecialtyGlassProducts▃█▄▁352463369309NA459343278NA373337300NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService glw:TelecommunicationProducts▁▆█▇791100810901064NA11171023886NA917882818NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfRevenue ▅█▇▁1830191718751713NA177616751545NA15511512141814861466140912831374138013681336140814511450135411861166109910441348115911111106109711161049878885822880820719
us-gaap:GrossProfit ▃▆▇▇██▇▆▇▇▆▆▆▇▆▅▅▆▆▆▆▇▇▆▅▆▅▅▅▅▅▅▆▆▅▄▅▄▃▃▁56110171065109912021232107295510341056985957990104195176485789297592999610891032935770901883770798879797814978889874724827731599575270
us-gaap:SellingGeneralAndAdministrativeExpense ▅▁█▆395369414401NA439412501NA372379316368302499303563307337316242256318395332265266259356294291279216284250250246235219211207
us-gaap:OperatingIncomeLoss ▁▇▇█-121365374420NA522395194NA4533814244325352471778739243141253662046031518443942432479393309342587424460319430403230221-260
us-gaap:InterestAndDebtExpense █▃▂▁64555452NA454352NA37383737414041393833303231303028282836NA332420232227292626242014
 us-gaap:InterestAndDebtExpense us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems█▄▃▁58514945NA383439NA2727NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▇▆▁█-11-15-35-9NA1214-37NA-4-18-21-14-28-2621-21-27-23-21805720-15524338-126565NA582927432726564484120
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▁▂█▅-265-23838-110NA-128-428264NA53-46450-973245196428-113-181-40-256-534-676269-132-198317-296-505NANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▆▄█-108408216575NA758864-465NA47959220NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▂▃▃▃▃▃▃▃█▃▃▂▅▂▁▂▂▂▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▂▂-12711247654133126124197889153-66832-27-504-304-556110863493951721801461411913428879311111012311414319732-4-66
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems us-gaap:OperatingSegments▁██▆62122126111NA13911092NA167159168150172-14895138185205190194212181NANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:DisplayTechnologies▁▅██40495555NA575149NA82861029598-8693112119136132155136119NANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:EnvironmentalTechnologies▁█▆▄9211715NA161414NA1716141317-191614192223172823NANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:LifeSciences▆██▁1011118NA887NA87868-864998799NANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:OpticalCommunications▁▆█▇8354339NA464130NA5252453049-391115343729263531NANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:SpecialtyMaterials▂█▄▁14251813NA311712NA3628243321-191219232221132521NANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▆▃█-96341105505NA633744-586NANANANANANANANANANANANANANANANA561465501434NA539472498811755747785912815648612NA
us-gaap:ComprehensiveIncomeNetOfTax ▁▆▆█-42280128343NA524280-324NA44543456661153526453921604611581703404241875407213826NA764487413NANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▄▅▄▅▅▃▁▄▅▄▇▄█▃▄▄▅▅▆▆▄▄▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▄-9633792499292625738-589-14123904398615722842207-368224212496407988101416930142140863849415552146246281175574878591381664361114
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems us-gaap:OperatingSegments▁▇█▆236454475413NA520413345NA373356374371403318213282389443405567533388NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:DisplayTechnologies▁▅█▇152185213208NA218192185NA203211249243279204209243255303294518387282NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:EnvironmentalTechnologies▁█▆▄35796555NA605452NA3432312735373429384648315747NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:LifeSciences▆█▇▁38414031NA303127NA171417131617129181816131918NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:OpticalCommunications▁▆█▇29127158142NA168150109NA102101827378771733707757386861NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:ReportableSegments1▁▇█▆305524543485NA592491419NA494484480NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:SpecialtyMaterials▁█▄▁51926749NA1166446NA7256486842382639464438254339NANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁▆▃█-12031368475NA601714-613NA3664156215472602183-392199188472383964990145280421408638494NANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▁▆▃█-12033768499NA625738-613NA3904396215722842207-3922241884964079881014145280421408638494NA521462462811755748785913816643611NA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:Assets ▆▅▆▅▆▅▄▅▆▆▆▆▆▇█▆▆▇▇▇█▇▇▇▆▆▆▆▇▇▇▆▆▆▅▃▂▁2785927329275752732127505263922614026834274942809427830283052789928809306532794528547288982988829323300632981529832295442847828714283892859529375294102875428489281732782526660246702254121727NANANA
us-gaap:Liabilities █▇▇▇▇▆▆▆▅▅▄▄▄▅▅▄▄▃▃▃▃▃▃▃▂▂▂▂▃▂▂▂▂▂▂▂▁▁15572141951405413615136191241412189123461172410711975099269939110221098199589684882888337951841179658000782572676916693572057842752473527122648265196305620354995374NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▅▆▅▆▅▄▅▆▆▆▆▆▇█▆▆▇▇▇█▇▇▇▆▆▆▆▇▇▇▆▆▆▅▃▂▁2785927329275752732127505263922614026834274942809427830283052789928809306532794528547288982988829323300632981529832295442847828714283892859529375294102875428489281732782526660246702254121727NANANA
us-gaap:StockholdersEquity ▁▂▂▂▂▂▂▃▄▅▅▅▅▅▆▅▆▇▇███████████████▇▆▄▄1219813034134251360713792138901387714413156981731718012183081789317721196091791818788199972098321298215792177921763216502116221749213782134421486218392135421317216402125520304184161699216302NANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▂▁▁▁▂▂▂▃▅▄▅▅▅▅█▃▄▆▇▆▇▇▇▆▅▆▅▆▆▆▆▇▆▆▅▃▂▁69466156631163497034663264847663882782548431871890488479107477178826992539868923810238100139864961388919128905392699695951693789801926493299037736364606052NANANA
us-gaap:AccountsReceivableNetCurrent ▆██▇▇▇▇▆▆▆▅▅▅▅▅▄▄▅▅▅▅▅▅▅▃▄▃▃▄▃▃▂▃▃▂▁▁▁17082024210319741940197318421747180717481640158314811645154413881372147915451487150116011645158812531392129612431302124811571108118912521107854938860NANANA
us-gaap:InventoryNet ███▇▇▆▆▆▅▅▅▅▄▅▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁234723372291219020371921189618341712169316161544147115161501145313851374138513311322132713801395127012751240117110511003999955939917841712607604NANANA
us-gaap:OtherAssetsCurrent ▆▅▅▄▄▅▄▇▇▆▇▄▅▃▃▅▆▇█▇▇▅▃▄▅▄▅▄▄▂▂▂▂▂▁▁▁▁8668247397297028357239869919489867198054975587979121072117410911099825604697855706764681619424436479359364353313290323NANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▄▄▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁131871273112506121361193211368112591126510809106841051110304988410206997496329188902787848591833284128456814178657897768376067652774574867210708968246565617458825640NANANA
us-gaap:PropertyPlantAndEquipmentNet █████▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▃▃▃▃▄▄▄▃▃▃▂▂▁▁14932150831513714878148951434514201144161401713344130601296912546132931304812823126481254912669127081276613033135231334498019977995410171106251103610751103731026697559235852680477847NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▃▃▃▃█▇▇▇▇█▇▇▇▇▇█▇▆32033934434637632233934534035234833733635234620721975182618441764180120022013197655375160480947264915517248704554489050294569519444344296NANANA
us-gaap:Goodwill ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁██19181924193819301936193019181698169416841608161915771569156913991380133013431343115011421150112510021001100197297466466366562971007100NANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▇▇▇███▄▄▄▄▄▄▄▄▃▃▃▃▃▁1149120612401265129213091332851869891842825796797804703706678700702497NANANA540NANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇▇▇▇▅▅▅▅▅▅▄▅▆▆▆▆▇▇███▆▃▄▃▃▃▂▂▂▂▂▁▁▁▁▁▁141315121552150210211023100795293492889011321271120911871342151315511656168517221170666766473495561437301273274259157150174127120125NANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ▇█▇▆▇▇▆▆▇▆▆▄▅▄▅▅▆▃▃▃▄▄▄▃▂▂▂▃▃▃▃▃▃▃▃▂▂▁31913600341630593311311229082995320930652808242127512294244825642814196620221895232421382177204617461578159717951956198718921781200920831894169414571278NANANA
us-gaap:DebtCurrent ▁▄▆▁▁▄▄▅▅██▄▄▁▄▇▇12305455742522523803796316312572567279527572NANANA36NANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsPayableCurrent ▇█▇▇█▅▆▆█▆▅▅▅▄▄▄▄▄▄▄▅▃▃▃▃▂▃▃▃▄▄▄▄▅▄▃▁▁12501447129712781456109211111164143911791096101510799339388369349099308729977167777327716407217627799019298479381052949720519459NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▆▇▇█▇▅▄▃▂▂▁▁▃▁▁▁▂829905885977871785653584540510460450621456476453526NANANA623NANANA370NANANA359NANANANANANANANANANANANA
us-gaap:AccruedIncomeTaxesCurrent ▅▆▄▇▅██▆▄▄▄▇▄▄▂▁▁169183149237169252247192148135129210150149825753NANANA106NANANA139NANANA282NANANANANANANANANANANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:MinorityInterest ▇█▇█▇▆▅▅▄▄▄▄▄▄▃▄▅▄▄▅▄▄▄▄▁▁▅▁▁▁▁▂▂▂▂▂▂▂89100969994887475726668716766636975737274737169694949764647474850515151515051NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▇█▇▇▇▆▇▅▅▅▆▅██▅▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁38953724391038793652354534803797301729402928310128054104390527672242216521202081204618421834178914831605160016221574136413311306130013021251129012871311NANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▁▂▂▂▂▂▂▃▄▅▅▅▅▅▆▅▆▇▇███████████████▇▆▄▄1219813034134251360713792138901387714413156981731718012183081789317721196091791818788199972098321298215792177921763216502116221749213782134421486218392135421317216402125520304184161699216302NANANA
us-gaap:CommonStockValue ██████▇▇▇▇▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▁▁▁859859858857857856855854854853852850846844842841840840840840836836835833831829828826825824823822818817817812812811NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▇▇▇▇▇▇▇▇▇████▇▇▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▂▁▁161141655516399164891630316186157311516615930175331730317030168801546015331132901383213769137271340513021123391147811465113201101710754102621058810438100299679895882277550591652084374NANANA
us-gaap:TreasuryStockValue █████▇▇▇▇▇▆▆▆▆▅▅▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁199181958819279191161887018517181321744916633162361520414564141521350811566107479725869978717243672765436340595040993237302227792773264624582121124312421240122612241223NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▃▃▃▃▃▅▄▃▃▃▁▄▄▂▁▁▂▂▃▅▇▆▇▆▅▆▆▇▆▆▇█▇▇▅▅-1497-1387-1130-1166-1010-1136-1035-577-842-1146-1201-1196-1676-715-966-1404-1811-1803-1591-1556-1307-489185-7044-75-388-132-300105-136-1409346422381-606-419NANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 248NANA-29NANANA320NANANA191NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities -539NANA-483NANANA-644NANANA-326-294-2824314-76137-19990-713-209-170-282-301-429-225NA-122NANANA-604NANA-657NANA77NANA-126
us-gaap:NetCashProvidedByUsedInFinancingActivities -94NANA-393NANANA-959NANANA-388-448-2735-1210-913-1014-980-35-574-740-357-312-1177-716-363NA-629NANANA592NANA-57NANA-111NANA-143
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities 248NANA-29NANANA320NANANA191NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▄▅▄▅▅▃▁▄▅▄▇▄█▃▄▄▅▅▆▆▄▄▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▄-9633792499292625738-589-14123904398615722842207-368224212496407988101416930142140863849415552146246281175574878591381664361114
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems us-gaap:OperatingSegments▁▇█▆236454475413NA520413345NA373356374371403318213282389443405567533388NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:DisplayTechnologies▁▅█▇152185213208NA218192185NA203211249243279204209243255303294518387282NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:EnvironmentalTechnologies▁█▆▄35796555NA605452NA3432312735373429384648315747NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:LifeSciences▆█▇▁38414031NA303127NA171417131617129181816131918NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:OpticalCommunications▁▆█▇29127158142NA168150109NA102101827378771733707757386861NANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:ReportableSegments1▁▇█▆305524543485NA592491419NA494484480NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,glw:SpecialtyMaterials▁█▄▁51926749NA1166446NA7256486842382639464438254339NANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▁▆▃█-96341105505NA633744-586NANANANANANANANANANANANANANANANA561465501434NA539472498811755747785912815648612NA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -4NANA33NANANA-32NANANA6-115-26-2343-22561-2913170-343-38424241NA-141NANANA110NANA-144NANA63NANA61
us-gaap:IncreaseDecreaseInInventories 67NANA159NANANA98NANANA49-13244217653125-14-163927NA138NANANA-12NANA79NANA-31NANA39
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities -539NANA-483NANANA-644NANANA-326-294-2824314-76137-19990-713-209-170-282-301-429-225NA-122NANANA-604NANA-657NANA77NANA-126
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities -94NANA-393NANANA-959NANANA-388-448-2735-1210-913-1014-980-35-574-740-357-312-1177-716-363NA-629NANANA592NANA-57NANA-111NANA-143
us-gaap:PaymentsForRepurchaseOfCommonStock 105NANA257NANANA800NANANA4003432369812703132381261647718322417519011075209NANANA194NANANANANANANANANANANA
  2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value859859859858857857856855854854853852850846844842841840840840840836836835833831829828826825824823822818818817817813812812811808804
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.03.13.13.13.13.23.33.23.13.03.13.03.02.92.73.02.92.92.82.92.82.82.82.82.92.92.92.92.82.82.92.92.92.92.93.13.13.33.63.73.84.2

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value171917181717171717151713170017111709170817061705170016911689168216811680168016791672167116691667166116581656165316491647164516441636163516341633162616241623162116171609
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value760897789908930943848100910349361102118211031218137113941411131513701463147814811494015301588015891580
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value7607757817848058198488839089259781059110312101246126612841302135914541469147214830151615691568156515571558155515501550
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-0.160.40.090.610.270.750.87-0.72-1.660.410.460.071.640.272.06-0.360.170.160.380.30.760.770.110.210.30.280.430.330.110.350.310.30.520.480.480.50.590.520.410.390.01
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-0.160.380.090.550.260.670.78-0.72-1.660.390.420.071.470.261.87-0.360.170.150.360.290.70.720.110.20.30.280.430.330.10.350.30.30.510.470.470.50.580.520.410.390.01
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value2391293429402812303530082747250026372607249723752476250723602047223122722343226524042540248222891956206719821814214620381908192020752005192316021712155314791395989
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value2391293429402812303530082747250026372607249723752476250723602047223122722343226524042540248222891956206719821814214620381908192020752005192316021712155314791395989
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

glw:AllOtherProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value57535354555150504736
Percentage of Revenues2.41.81.81.91.81.92.01.91.91.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.41.81.81.91.81.92.01.91.91.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:AllOtherProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

glw:DisplayProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value633780820795815768732767747736
Percentage of Revenues26.526.627.928.327.128.029.329.429.931.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.526.627.928.327.128.029.329.429.931.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:DisplayProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

glw:EnvironmentalSubstrateAndFilterProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value307380353351331317322277263275
Percentage of Revenues12.813.012.012.511.011.512.910.610.511.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.813.012.012.511.011.512.910.610.511.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:EnvironmentalSubstrateAndFilterProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

glw:LifeScienceProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value251250255239231245232223221210
Percentage of Revenues10.58.58.78.57.78.99.38.68.98.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.58.58.78.57.78.99.38.68.98.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:LifeScienceProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

glw:SpecialtyGlassProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value352463369309459343278373337300
Percentage of Revenues14.715.812.611.015.312.511.114.313.512.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.715.812.611.015.312.511.114.313.512.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:SpecialtyGlassProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

glw:TelecommunicationProducts



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value79110081090106411171023886917882818
Percentage of Revenues33.134.437.137.837.137.235.435.235.334.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.134.437.137.837.137.235.435.235.334.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax glw:TelecommunicationProducts0.00.00.00.0100.0100.0100.0100.0100.0100.0

Sales Revenue Goods Net

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value183019171875171317761675154515511512141814861466140912831374138013681336140814511450135411861166109910441348115911111106109711161049878885822880820719
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.565.363.860.959.061.061.859.560.659.760.058.559.762.761.660.758.459.058.657.158.459.260.656.455.457.662.856.958.257.652.955.754.654.851.752.959.558.872.7

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value56110171065109912021232107295510341056985957990104195176485789297592999610891032935770901883770798879797814978889874724827731599575270
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.534.736.239.139.641.039.038.239.240.539.440.340.041.540.337.338.439.341.641.041.442.941.640.839.443.644.642.437.243.141.842.447.144.345.445.248.347.140.541.227.3

Research And Development Expense

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value395369414401439412501372379316368302499303563307337316242256318395332265266259356294291279216284250250246235219211207
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.512.614.114.314.615.020.014.315.213.314.912.021.114.825.213.514.414.010.110.112.817.317.012.813.414.316.614.415.314.510.414.213.015.614.415.114.815.120.9

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-1213653744205223951944533814244325352471778739243141253662046031518443942432479393309342587424460319430403230221-260
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.112.412.714.917.414.47.817.415.317.917.421.310.58.63.917.318.418.222.324.418.513.89.421.221.417.93.719.316.217.828.321.123.919.925.125.915.615.8-26.3

Interest And Debt Expense

us-gaap:InterestAndDebtExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value6455545245435237383737414041393833303231303028282836332420232227292626242014
Percentage of InterestAndDebtExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.71.91.81.81.51.62.11.41.51.61.51.61.72.01.71.71.41.31.31.21.21.31.41.41.42.01.61.31.01.11.11.41.81.51.71.61.41.4

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value585149453834392727
Percentage of InterestAndDebtExpense90.692.790.786.584.479.175.073.071.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.41.71.71.61.31.21.61.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-11-15-35-91214-37-4-18-21-14-28-2621-21-27-23-21805720-15524338-126565582927432726564484120
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-0.5-1.2-0.30.40.5-1.5-0.2-0.7-0.9-0.6-1.1-1.11.0-0.9-1.2-1.0-0.933.528.3-6.21.017.3-0.013.43.60.20.41.51.32.11.40.13.84.13.22.92.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-265-23838-110-128-42826453-46450-973245196428-113-181-40-256-534-676269-132-198317-296-505
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.1-8.11.3-3.9-4.3-15.610.62.0-1.818.9-39.39.88.320.9-5.1-8.0-1.7-11.3-22.2-26.610.8-5.8-10.115.3-14.9-27.8

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-108408216575758864-46547959220
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.513.97.320.425.231.5-18.618.423.70.8

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-12711247654133126124197889153-66832-27-504-304-556110863493951721801461411913428879311111012311414319732-4-66
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.52.44.22.71.84.44.65.075.03.46.1-2.833.6-1.1-21.4-14.9-2.50.34.73.814.515.66.97.97.56.89.61.91.34.34.95.85.36.15.90.91.86.22.2-0.3-6.7

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-74-51-2-35-61632-2540-179
Percentage of IncomeTaxExpenseBenefit616.7-71.8-1.6-46.1-4.512.725.8-28.126.1271.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.1-1.7-0.1-1.2-0.20.61.3-1.01.6-7.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value6212212611113911092167159168150172-14895138185205190194212181
Percentage of IncomeTaxExpenseBenefit-516.7171.8101.6146.1104.587.374.2187.6103.9-254.518.0-637.029.4-31.2-250.93083.3186.4220.955.653.7105.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.64.24.33.94.64.03.76.46.47.16.16.9-6.34.66.28.18.78.48.18.37.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.04.64.03.76.36.36.90.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value4049555557514982861029598-8693112119136132155136119
Percentage of IncomeTaxExpenseBenefit-333.369.044.472.442.940.539.592.156.2-154.511.4-363.017.1-30.6-203.61983.3123.6153.544.434.469.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.71.92.01.91.92.03.13.44.33.83.9-3.64.55.05.25.85.86.45.44.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:DisplayTechnologies0.00.00.00.06.76.56.610.311.113.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value92117151614141716141317-191614192223172823
Percentage of IncomeTaxExpenseBenefit-75.029.613.719.712.011.111.319.110.5-21.21.6-63.03.8-5.3-25.5316.720.026.74.97.113.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.70.60.50.50.50.60.70.60.60.50.7-0.80.80.60.80.91.00.71.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:EnvironmentalTechnologies0.00.00.00.04.84.44.36.16.15.15.36.4-7.36.15.57.48.58.26.89.98.1

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value101111888787868-864998799
Percentage of IncomeTaxExpenseBenefit-83.315.58.910.56.06.35.69.04.6-12.10.7-29.61.6-2.0-7.3150.08.29.32.02.35.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.30.30.30.30.30.30.30.20.3-0.30.30.20.40.40.40.30.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:LifeSciences0.00.00.00.03.53.33.03.63.23.82.93.7-3.72.92.04.34.34.13.34.24.0

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value83543394641305252453049-391115343729263531
Percentage of IncomeTaxExpenseBenefit-66.749.334.751.334.632.524.258.434.0-68.23.6-181.57.7-3.6-27.3566.733.633.77.48.918.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.31.21.51.41.51.51.22.02.11.91.22.0-1.70.50.71.51.61.31.11.41.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:OpticalCommunications0.00.00.00.04.14.03.45.75.95.53.76.2-5.01.82.04.64.64.23.95.04.5

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value142518133117123628243321-191219232221132521
Percentage of IncomeTaxExpenseBenefit-116.735.214.517.123.313.59.740.418.3-36.44.0-77.83.8-3.9-34.5383.320.024.43.76.312.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.90.60.51.00.60.51.41.11.01.30.8-0.80.60.91.00.90.90.51.00.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:SpecialtyMaterials0.00.00.00.06.85.04.39.78.38.09.87.1-7.15.36.98.08.17.74.17.67.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-19-19-18-19-19-21-20-28-30-25-27-2123-43-26-19-21-23-24-21-22
Percentage of IncomeTaxExpenseBenefit158.3-26.8-14.5-25.0-14.3-16.7-16.1-31.5-19.637.9-3.277.8-4.614.147.3-316.7-19.1-26.7-6.9-5.3-12.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.6-0.6-0.7-0.6-0.8-0.8-1.1-1.2-1.1-1.1-0.81.0-2.1-1.2-0.8-0.9-1.0-1.0-0.8-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.0-34.5-41.2-40.0-56.0-63.8-69.40.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-96341105505633744-586561465501434539472498811755747785912815648612
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.63.618.021.027.1-23.428.722.525.323.926.424.725.939.137.738.849.053.352.543.843.9

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of ProfitLoss100.098.887.698.898.799.2100.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of ProfitLoss100.098.887.698.898.799.2100.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-42280128343524280-32444543456661153526453921604611581703404241875407213826764487413
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.62.74.412.217.410.2-13.017.117.423.824.721.3112.11.99.70.019.77.07.113.417.18.227.634.919.30.337.525.521.5

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-9633792499292625738-589-14123904398615722842207-368224212496407988101416930142140863849415552146246281175574878591381664361114
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.79.620.826.9-23.6-53.515.017.63.663.511.393.5-18.010.09.321.218.041.139.96.813.121.519.732.227.27.225.624.224.139.137.738.949.053.352.543.543.81.4

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.0

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value236454475413520413345373356374371403318213282389443405567533388
Percentage of NetIncomeLoss-245.8134.7516.382.883.256.0-58.695.681.1434.923.6141.914.4-57.9125.9183.589.399.557.452.6229.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.915.516.214.717.315.013.814.314.315.715.016.113.510.412.617.118.917.923.621.015.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.017.115.013.714.214.115.40.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value152185213208218192185203211249243279204209243255303294518387282
Percentage of NetIncomeLoss-158.354.9231.541.734.926.0-31.452.148.1289.515.598.29.2-56.8108.5120.361.172.252.438.2166.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.37.27.47.27.07.47.88.510.59.811.18.610.210.911.212.913.021.515.211.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:DisplayTechnologies0.00.00.00.025.624.624.825.527.231.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value357965556054523432312735373429384648315747
Percentage of NetIncomeLoss-36.523.470.711.09.67.3-8.88.77.336.01.712.31.7-9.212.917.99.311.83.15.627.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.52.72.22.02.02.02.11.31.31.31.11.41.61.71.31.72.02.11.32.21.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:EnvironmentalTechnologies0.00.00.00.018.117.016.112.312.211.311.013.314.312.911.414.817.717.012.420.216.5

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value38414031303127171417131617129181816131918
Percentage of NetIncomeLoss-39.612.243.56.24.84.2-4.64.43.219.80.85.60.8-3.34.08.53.63.91.31.910.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.41.41.11.01.11.10.70.60.70.50.60.70.60.40.80.80.70.50.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:LifeSciences0.00.00.00.013.012.711.67.66.38.16.37.57.95.94.58.58.58.16.08.98.1

us-gaap:OperatingSegments, glw:NonReportableSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-69-70-68-72-72-78-74-64-62-60
Percentage of NetIncomeLoss71.9-20.8-73.9-14.4-11.5-10.612.6-16.4-14.1-69.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-2.4-2.3-2.6-2.4-2.8-3.0-2.5-2.5-2.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:NonReportableSegments0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value29127158142168150109102101827378771733707757386861
Percentage of NetIncomeLoss-30.237.7171.728.526.920.3-18.526.223.095.34.627.53.5-4.614.733.015.514.03.86.736.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.24.35.45.05.65.54.43.94.03.52.93.13.30.81.53.13.32.51.62.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:OpticalCommunications0.00.00.00.015.014.712.311.111.510.08.99.89.82.84.59.49.68.25.69.78.9

us-gaap:OperatingSegments, glw:ReportableSegments1



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value305524543485592491419494484480
Percentage of NetIncomeLoss-317.7155.5590.297.294.766.5-71.1126.7110.3558.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.817.918.517.219.717.916.818.919.420.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:ReportableSegments10.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5192674911664467256486842382639464438254339
Percentage of NetIncomeLoss-53.127.372.89.818.68.7-7.818.512.855.84.314.81.7-7.117.421.78.99.32.54.223.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.13.12.31.73.92.31.82.82.22.02.71.71.61.31.72.01.91.71.01.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:SpecialtyMaterials0.00.00.00.025.318.716.519.316.616.020.214.214.311.514.216.016.214.07.813.113.1

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-69-70-68-72-72-78-74-55-58-53-53-47-55-85-71-38-45-48-58-41-59
Percentage of NetIncomeLoss71.9-20.8-73.9-14.4-11.5-10.612.6-14.1-13.2-61.6-3.4-16.5-2.523.1-31.7-17.9-9.1-11.8-5.9-4.0-34.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-2.4-2.3-2.6-2.4-2.8-3.0-2.1-2.3-2.2-2.1-1.9-2.3-4.2-3.2-1.7-1.9-2.1-2.4-1.6-2.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.0-130.9-152.9-148.0-110.0-123.4-147.20.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-12031368475601714-6133664156215472602183-392199188472383964990145280421408638494
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.010.72.316.920.026.0-24.514.016.62.662.510.492.5-19.18.98.320.116.940.139.05.812.221.519.732.227.2

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-12033768499625738-6133904396215722842207-3922241884964079881014145280421408638494521462462811755748785913816643611
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.011.52.317.720.826.9-24.515.017.62.663.511.393.5-19.110.08.321.218.041.139.95.812.221.519.732.227.225.624.224.139.137.738.949.053.352.543.543.8

Net Income Loss Attributable To Noncontrolling Interest

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value27859288982732927575273212750526392261402683427494280942783028305278992880930653279452854728898298882932330063298152983229544284782871428389285952937529410287542848927848281732782526660258332467022541217272129519256
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value15572159011419514054136151361912414121891234611724107119750992699391102210981995896848828883379518411796580007825726769166935720578427524735271226719648265196305640762035499537457005765
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.955.051.951.049.849.547.046.646.042.638.135.035.135.638.335.835.633.930.529.627.128.026.726.826.525.524.124.425.226.725.625.625.024.123.023.423.624.825.124.424.726.829.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value27859288982732927575273212750526392261402683427494280942783028305278992880930653279452854728898298882932330063298152983229544284782871428389285952937529410287542848927848281732782526660258332467022541217272129519256
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value12198129071303413425136071379213890138771441315698173171801218308178931772119609179181878819997209832129821579217792176321650211622174921378213442148621839213542131721078216402125520304193751841616992163021554313443
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.844.747.748.749.850.152.653.153.757.161.664.764.764.161.564.064.165.869.270.272.671.873.073.073.374.375.775.374.673.174.374.374.875.776.876.476.275.074.675.475.073.069.8

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value6946746361566311634970346632648476638827825484318718904884791074771788269925398689238102381001398649613889191289053926996959516937898018677926493299037885973636460605255214619
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.925.822.522.923.225.625.124.828.632.129.430.330.832.429.435.125.729.032.033.031.534.133.633.132.531.231.831.932.433.032.432.634.431.232.933.533.934.329.828.727.925.924.0

Cash And Cash Equivalents At Carrying Value

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1708183620242103197419401973184217471807174816401583148116451544138813721479154514871501160116451588125313921296124313021248115711081082118912521107973854938860753512
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.16.47.47.67.27.17.57.06.56.66.25.95.65.35.75.05.04.85.15.25.15.05.45.55.44.44.84.64.34.44.24.03.93.94.24.54.23.83.54.24.03.52.7

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value2347232023372291219020371921189618341712169316161544147115161501145313851374138513311322132713801395127012751240117110511003999955975939917841738712607604579798
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.48.08.68.38.07.47.37.36.86.26.05.85.55.35.34.95.24.94.84.64.54.44.54.64.74.54.44.44.13.63.43.53.43.53.33.33.22.92.92.72.82.74.1

Inventory Finished Goods

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value8668738247397297028357239869919489867198054975587979121072117410911099825604697855706764681619424436479347359364353367313290323371335
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.03.02.72.72.63.22.83.73.63.43.52.52.91.71.82.93.23.73.93.73.72.82.02.43.02.52.72.42.11.41.51.71.21.31.31.31.41.31.31.51.71.7

Land

Machinery And Equipment Gross

Noncurrent Assets

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value131871299512731125061213611932113681125911265108091068410511103049884102069974963291889027878485918332841284568141786578977683760676527745748672107204708968246565642061745882564055035070
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.345.046.645.444.443.443.143.142.039.338.037.836.435.435.432.534.532.231.229.429.327.728.228.327.627.627.527.126.626.026.326.025.325.925.224.524.624.925.026.126.025.826.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value149321533715083151371487814895143451420114416140171334413060129691254613293130481282312648125491266912708127661303313523133449801997799541017110625110361075110373106711026697559235894385268047784779958199
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.653.155.254.954.554.254.454.353.751.047.546.945.845.046.142.645.944.343.442.443.342.543.745.345.234.434.735.135.636.237.537.436.438.336.435.134.634.634.635.736.137.542.6

Long Term Investments

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value320334339344346376322339345340352348337336352346207219751826184417641801200220131976553751604809472649155172487045544726489050294569437251944434429639923056
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.21.21.31.41.21.31.31.21.31.31.21.21.21.17.46.96.36.26.06.06.76.76.719.418.016.916.516.717.616.916.017.017.418.117.116.921.119.719.818.715.9

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-12-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value191819351924193819301936193019181698169416841608161915771569156913991380133013431343115011501142115011251002100110019729746646636656646297100710070007000
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.96.77.07.07.17.07.37.36.36.26.05.85.75.75.45.15.04.84.64.54.63.80.03.83.93.83.53.53.53.43.32.32.32.32.42.225.526.627.132.9

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value11491185120612401265129213091332851869891842825796797804703706678700702497540
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.14.44.54.64.75.05.13.23.23.23.02.92.92.82.62.52.52.32.32.41.71.9

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1413148715121552150210211023100795293492889011321271120911871342151315511656168517221170666766473495561437301273274259196157150174153127120125129145
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.15.15.55.65.53.73.93.93.53.43.33.24.04.64.23.94.85.35.45.55.75.73.92.22.61.71.72.01.51.00.91.00.90.70.60.50.70.60.50.50.60.60.8

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value3191352136003416305933113112290829953209306528082421275122942448256428141966202218952324213821772046174615781597179519561987189217812097200920831894198616941457127815392052
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.512.213.212.411.212.011.811.111.211.710.910.18.69.98.08.09.29.96.86.86.57.77.27.36.96.15.55.66.36.76.86.66.37.57.17.57.17.76.96.55.97.210.7

Debt Current

us-gaap:DebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value121130545574252252380379631631257256727952757236
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.01.11.70.00.01.01.01.41.42.22.30.90.90.00.91.92.00.1

Long Term Debt Current

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value125015871447129712781456109211111164143911791096101510799339388369349099308729977167777327716407217627799019298479779381052949798720519459550846
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.55.55.34.74.75.34.14.34.35.24.23.93.63.93.23.13.03.33.13.13.03.32.42.62.52.72.22.52.72.73.13.23.03.53.33.83.63.12.92.32.12.64.4

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value829853905885977871785653584540510460450621456476453526623370359432465317
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.03.33.23.63.23.02.52.22.01.81.71.62.21.61.61.61.82.11.31.21.61.81.5

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value169182183149237169252247192148135129210150149825753106139282288181125
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.70.50.90.61.00.90.70.50.50.50.70.50.50.30.20.20.40.51.01.00.70.6

Liabilities Noncurrent

Long Term Debt

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value899010096999488747572666871676663697573727473716969494976464747485051515151515150515248
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.30.40.30.30.30.30.30.20.20.30.20.20.20.20.30.30.20.30.20.20.20.20.20.20.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value3895398037243910387936523545348037973017294029283101280541043905276722422165212020812046184218341789148316051600162215741364133113061361130013021251124612901287131113731402
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.013.813.614.214.213.313.413.314.111.010.510.511.010.114.212.79.97.97.57.17.16.86.26.16.15.25.65.65.75.44.64.64.64.94.64.74.74.85.25.76.06.47.3

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value12198129071303413425136071379213890138771441315698173171801218308178931772119609179181878819997209832129821579217792176321650211622174921378213442148621839213542131721078216402125520304193751841616992163021554313443
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.844.747.748.749.850.152.653.153.757.161.664.764.764.161.564.064.165.869.270.272.671.873.073.073.374.375.775.374.673.174.374.374.875.776.876.476.275.074.675.475.073.069.8

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value859859859858857857856855854854853852850846844842841840840840840836836835833831829828826825824823822818818817817813812812811808804
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.03.13.13.13.13.23.33.23.13.03.13.03.02.92.73.02.92.92.82.92.82.82.82.82.92.92.92.92.82.82.92.92.92.92.93.13.13.33.63.73.84.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value161141640816555163991648916303161861573115166159301753317303170301688015460153311329013832137691372713405130211233911478114651132011017107541026210588104381002996799332895882277550688159165208437436361940
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.856.860.659.560.459.361.360.256.557.962.462.260.260.553.750.047.648.547.645.945.743.341.438.538.839.738.437.935.936.035.534.934.033.531.829.628.326.624.023.120.117.110.1

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value199181981219588192791911618870185171813217449166331623615204145641415213508115661074797258699787172436727654363405950409932373022277927732646245821212024124312421240122712261224122312071160
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.568.671.769.970.068.670.269.465.060.557.854.651.550.746.937.738.534.130.126.324.722.421.921.320.114.411.310.69.79.49.08.57.47.34.44.54.74.75.05.45.65.76.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-1497-1171-1387-1130-1166-1010-1136-1035-577-842-1146-1201-1196-1676-715-966-1404-1811-1803-1591-1556-1307-489185-7044-75-388-132-300105-136-140-89934642234381-606-419-401-643
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.4-4.1-5.1-4.1-4.3-3.7-4.3-4.0-2.2-3.1-4.1-4.3-4.2-6.0-2.5-3.2-5.0-6.3-6.2-5.3-5.3-4.3-1.60.6-0.20.2-0.3-1.4-0.5-1.00.4-0.5-0.5-0.30.31.70.80.20.3-2.7-1.9-1.9-3.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-31
Value248-29320191
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.4-1.012.88.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-539-483-644-326-294-2824314-76137-19990-713-209-170-282-301-429-225-122-604-65777-126
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.5-17.2-25.8-13.7-11.9-11.2182.8-3.76.1-8.83.8-31.5-8.7-6.7-11.4-13.1-21.9-10.9-6.7-31.5-34.25.0-12.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-94-393-959-388-448-2735-1210-913-1014-980-35-574-740-357-312-1177-716-363-629592-57-111-143
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.9-14.0-38.4-16.3-18.1-109.1-51.3-44.6-45.5-43.1-1.5-25.3-30.8-14.1-12.6-51.4-36.6-17.6-34.730.8-3.0-7.1-14.5

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-03-312018-03-312017-03-31
Value248-29320191
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.4-1.012.88.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-9633792499292625738-589-14123904398615722842207-368224212496407988101416930142140863849415552146246281175574878591381664361114
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.79.620.826.9-23.6-53.515.017.63.663.511.393.5-18.010.09.321.218.041.139.96.813.121.519.732.227.27.225.624.224.139.137.738.949.053.352.543.543.81.4

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.0

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value236454475413520413345373356374371403318213282389443405567533388
Percentage of NetIncomeLoss-245.8134.7516.382.883.256.0-58.695.681.1434.923.6141.914.4-57.9125.9183.589.399.557.452.6229.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.915.516.214.717.315.013.814.314.315.715.016.113.510.412.617.118.917.923.621.015.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.017.115.013.714.214.115.40.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value152185213208218192185203211249243279204209243255303294518387282
Percentage of NetIncomeLoss-158.354.9231.541.734.926.0-31.452.148.1289.515.598.29.2-56.8108.5120.361.172.252.438.2166.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.37.27.47.27.07.47.88.510.59.811.18.610.210.911.212.913.021.515.211.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:DisplayTechnologies0.00.00.00.025.624.624.825.527.231.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value357965556054523432312735373429384648315747
Percentage of NetIncomeLoss-36.523.470.711.09.67.3-8.88.77.336.01.712.31.7-9.212.917.99.311.83.15.627.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.52.72.22.02.02.02.11.31.31.31.11.41.61.71.31.72.02.11.32.21.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:EnvironmentalTechnologies0.00.00.00.018.117.016.112.312.211.311.013.314.312.911.414.817.717.012.420.216.5

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value38414031303127171417131617129181816131918
Percentage of NetIncomeLoss-39.612.243.56.24.84.2-4.64.43.219.80.85.60.8-3.34.08.53.63.91.31.910.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.41.41.11.01.11.10.70.60.70.50.60.70.60.40.80.80.70.50.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:LifeSciences0.00.00.00.013.012.711.67.66.38.16.37.57.95.94.58.58.58.16.08.98.1

us-gaap:OperatingSegments, glw:NonReportableSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-69-70-68-72-72-78-74-64-62-60
Percentage of NetIncomeLoss71.9-20.8-73.9-14.4-11.5-10.612.6-16.4-14.1-69.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-2.4-2.3-2.6-2.4-2.8-3.0-2.5-2.5-2.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:NonReportableSegments0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value29127158142168150109102101827378771733707757386861
Percentage of NetIncomeLoss-30.237.7171.728.526.920.3-18.526.223.095.34.627.53.5-4.614.733.015.514.03.86.736.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.24.35.45.05.65.54.43.94.03.52.93.13.30.81.53.13.32.51.62.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:OpticalCommunications0.00.00.00.015.014.712.311.111.510.08.99.89.82.84.59.49.68.25.69.78.9

us-gaap:OperatingSegments, glw:ReportableSegments1



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value305524543485592491419494484480
Percentage of NetIncomeLoss-317.7155.5590.297.294.766.5-71.1126.7110.3558.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.817.918.517.219.717.916.818.919.420.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:ReportableSegments10.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5192674911664467256486842382639464438254339
Percentage of NetIncomeLoss-53.127.372.89.818.68.7-7.818.512.855.84.314.81.7-7.117.421.78.99.32.54.223.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.13.12.31.73.92.31.82.82.22.02.71.71.61.31.72.01.91.71.01.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments glw:SpecialtyMaterials0.00.00.00.025.318.716.519.316.616.020.214.214.311.514.216.016.214.07.813.113.1

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-69-70-68-72-72-78-74-55-58-53-53-47-55-85-71-38-45-48-58-41-59
Percentage of NetIncomeLoss71.9-20.8-73.9-14.4-11.5-10.612.6-14.1-13.2-61.6-3.4-16.5-2.523.1-31.7-17.9-9.1-11.8-5.9-4.0-34.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-2.4-2.3-2.6-2.4-2.8-3.0-2.1-2.3-2.2-2.1-1.9-2.3-4.2-3.2-1.7-1.9-2.1-2.4-1.6-2.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.0-130.9-152.9-148.0-110.0-123.4-147.20.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-96341105505633744-586561465501434539472498811755747785912815648612
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.63.618.021.027.1-23.428.722.525.323.926.424.725.939.137.738.849.053.352.543.843.9

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of ProfitLoss100.098.887.698.898.799.2100.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-9633792499625738-589
Percentage of ProfitLoss100.098.887.698.898.799.2100.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.011.53.117.720.826.9-23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-433-326-115-26-2343-22561-2913170-343-38424241-141110-1446361
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value671599849-13244217653125-14-163927138-1279-3139
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-539-483-644-326-294-2824314-76137-19990-713-209-170-282-301-429-225-122-604-65777-126
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.5-17.2-25.8-13.7-11.9-11.2182.8-3.76.1-8.83.8-31.5-8.7-6.7-11.4-13.1-21.9-10.9-6.7-31.5-34.25.0-12.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-94-393-959-388-448-2735-1210-913-1014-980-35-574-740-357-312-1177-716-363-629592-57-111-143
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.9-14.0-38.4-16.3-18.1-109.1-51.3-44.6-45.5-43.1-1.5-25.3-30.8-14.1-12.6-51.4-36.6-17.6-34.730.8-3.0-7.1-14.5

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-09-30
Value1052578004003432369812703132381261647718322417519011075209194
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value0.1110.1740.5740.1320.1750.1460.2670.1860.2583.30.647-0.105-0.296-0.452-0.053999999999999990.0280.1820.174-0.0280000000000000250.280.5040.3740.0149999999999999860.2570.230.0640.1430.1680.1940.1190.140.132-0.0180.0330.106-0.047-0.006
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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

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

Share Based Compensation

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2025243497111781456235519032023309643175291
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Sale Of Short Term Investments

glw:CumulativeAdjustmentRelatedToCustomerContract



Period End2020-03-31
Value-105
Percentage of CumulativeAdjustmentRelatedToCustomerContract100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-31
Value-105
Percentage of CumulativeAdjustmentRelatedToCustomerContract100.0

us-gaap:ConsolidationItems

glw:ForeignCurrencyDebtNotIncludedInSegments

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-03-312018-09-302018-06-302017-09-30
Value-141115303714
Percentage of ForeignCurrencyDebtNotIncludedInSegments100.0100.0100.0100.0100.0100.0

glw:ForeignCurrencyTranslationsNotIncludedInSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-33-35-46-38-37-12-13-28-30-46
Percentage of ForeignCurrencyTranslationsNotIncludedInSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

glw:ForeignCurrencyTranslationsNotIncludedInSegmentNetIncome

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value-19-20-36-37-42-32-31-34-40
Percentage of ForeignCurrencyTranslationsNotIncludedInSegmentNetIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

glw:OtherComprehensiveIncomeLossEquityMethodInvestmentsNetOfTax

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value-12-3-1-12-1544316-2410-4443-25-1822-82110-767-15781241-72143111-56
Percentage of OtherComprehensiveIncomeLossEquityMethodInvestmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

glw:ReconciliationOfOtherCorporateItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-4175122124366373086-71
Percentage of ReconciliationOfOtherCorporateItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

glw:ResearchDevelopmentAndEngineeringExpenses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value261255249249244243241213207200173187192190208181191189210199208198169184179178219185188187-166172156148144145131136151
Percentage of ResearchDevelopmentAndEngineeringExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value39333536313039252227
Percentage of ResearchDevelopmentAndEngineeringExpenses14.912.914.114.512.712.316.211.710.613.5

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value209206214213213212202187185175148159164164185149163161184173183
Percentage of ResearchDevelopmentAndEngineeringExpenses80.180.885.985.587.387.283.887.889.487.585.585.085.486.388.982.385.385.287.686.988.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value30302926262723212319-414171827282624213141
Percentage of ResearchDevelopmentAndEngineeringExpenses11.511.811.610.410.711.19.59.911.19.5-2.37.58.99.513.015.513.612.710.015.619.7

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value282928302829292827252724262526212323262321
Percentage of ResearchDevelopmentAndEngineeringExpenses10.711.411.212.011.511.912.013.113.012.515.612.813.513.212.511.612.012.212.411.610.1

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value755555556666666665665
Percentage of ResearchDevelopmentAndEngineeringExpenses2.72.02.02.02.02.12.12.32.93.03.53.23.13.22.93.33.12.62.93.02.4

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value555354565351494440373737363737333533353534
Percentage of ResearchDevelopmentAndEngineeringExpenses21.120.821.722.521.721.020.320.719.318.521.419.818.819.517.818.218.317.516.717.616.3

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value413741414341393737363031343126272931383534
Percentage of ResearchDevelopmentAndEngineeringExpenses15.714.516.516.517.616.916.217.417.918.017.316.617.716.312.514.915.216.418.117.616.3

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value485257555859575252525247454763344445584348
Percentage of ResearchDevelopmentAndEngineeringExpenses18.420.422.922.123.824.323.724.425.126.030.125.123.424.730.318.823.023.827.621.623.1

us-gaap:IncomeStatementLocation

glw:RevenueCurrencyAdjustment

glw:RevenueAdjustments



Period End2020-03-31
Value105
Percentage of RevenueCurrencyAdjustment100.0

us-gaap:ForeignCurrencyGainLoss



Period End2020-03-312019-03-31
Value3338
Percentage of RevenueCurrencyAdjustment31.40.0

glw:RevenueNet



Period End2020-03-312019-03-31
Value25292850
Percentage of RevenueNet100.0100.0

glw:SalesRevenueGoodsBeforeForeignCurrencyTranslations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2529296929862850304527592513263525272421
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value25292850
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-03-31
Value751818
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations29.728.7

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-03-31
Value320362
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations12.712.7

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-03-31
Value258243
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations10.28.5

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-03-31
Value7911064
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations31.337.3

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-03-31
Value352309
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations13.910.8

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-03-31
Value5754
Percentage of SalesRevenueGoodsBeforeForeignCurrencyTranslations2.31.9

glw:SharesIssuedToBenefitPlansAndForOptionExercises



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17193531444030
Percentage of SharesIssuedToBenefitPlansAndForOptionExercises100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17183431433930
Percentage of SharesIssuedToBenefitPlansAndForOptionExercises100.094.797.1100.097.797.5100.0

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value17193531444030
Percentage of SharesIssuedToBenefitPlansAndForOptionExercises100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

glw:StockDividendRatePercentageIncrease

us-gaap:CommonStock, us-gaap:SubsequentEvent



Period End2020-02-052019-02-06
Value0.10.111
Percentage of StockDividendRatePercentageIncrease100.0100.0

glw:TranslatedEarningsContractGainLossNet



Period End2020-03-312019-03-31
Value68184
Percentage of TranslatedEarningsContractGainLossNet100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value26282829272219181817181715141412161289888887445443222323
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value26282829-27-2219-18-18
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0-100.0-100.0100.0-100.0-100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302010-09-302010-06-302009-09-302009-06-30
Value12621171212611172720162144201423135138363847444241425455
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

glw:ConvertiblePreferredStockSeriesA



Period End2020-03-312019-06-302018-03-312016-09-302016-03-312015-09-302014-06-302014-03-31
Value115115115011511511597
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount91.398.391.30.071.079.985.270.3

us-gaap:StockCompensationPlan



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value11221211512132047292014232029363847
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount8.7100.01.7100.0100.091.3100.01.748.1100.029.020.1100.0100.0100.014.821.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AssetImpairmentCharges

glw:HSG



Period End2020-03-31
Value0.0
Percentage of AssetImpairmentCharges0.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-312018-03-31
Value-409-899-1221
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.220.20.20.20.180.180.18
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStock, us-gaap:SubsequentEvent



Period End2020-02-052020-02-042019-02-062019-02-05
Value0.220.20.20.18
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod



Period End2020-03-312019-03-312018-03-31
Value4100
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod100.00.00.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-40-4016-121739-149-553-345-13315636-519831181224822-30471550-119
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-03-31
Value-1-2-2-2-2-2-1-1-1
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1212222121
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-100.0-100.0-50.0-100.0-100.0-100.0-200.0-100.00.0-100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value49424343474847434443
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value5777666767
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value31373737323332323131
Percentage of DefinedBenefitPlanInterestCost620.0528.6528.6528.6533.3550.0533.3457.1516.7442.9

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value6777778889
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value12224421131412122713
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost200.0314.3628.6300.0185.7200.0150.0150.0337.5144.4

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2322333223
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value29252625262625222324
Percentage of DefinedBenefitPlanServiceCost1450.0833.31300.01250.0866.7866.7833.31100.01150.0800.0

us-gaap:Depreciation



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value356306304260287283280281288280283279290294294289241240248235226206175
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-31
Value59
Percentage of Depreciation16.6

us-gaap:OperatingSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value296295300303-287287283274263258288277276278282273280273290287290
Percentage of Depreciation83.10.00.099.00.00.093.10.00.099.2100.397.998.698.997.997.598.997.8100.097.698.6

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, glw:DisplayTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value133144149152-146146144134130129146152149151150147152156166166171
Percentage of Depreciation37.40.00.049.70.00.047.40.00.049.650.953.753.253.752.152.553.755.957.256.558.2

us-gaap:OperatingSegments, glw:EnvironmentalTechnologies



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value34323231-3030293131313232333232323229302930
Percentage of Depreciation9.60.00.010.10.00.09.50.00.011.911.111.311.811.411.111.411.310.410.39.910.2

us-gaap:OperatingSegments, glw:LifeSciences



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value12121213-1213141413121614131515151515141516
Percentage of Depreciation3.40.00.04.20.00.04.60.00.04.65.64.94.65.35.25.45.35.44.85.15.4

us-gaap:OperatingSegments, glw:OpticalCommunications



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value62596059-5553524948455041434141414338433837
Percentage of Depreciation17.40.00.019.30.00.017.10.00.017.317.414.515.414.614.214.615.213.614.812.912.6

us-gaap:OperatingSegments, glw:SpecialtyMaterials



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value42353537-3435333431292826272830292726273029
Percentage of Depreciation11.80.00.012.10.00.010.90.00.011.29.89.29.610.010.410.49.59.39.310.29.9

us-gaap:OperatingSegments, us-gaap:AllOtherSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value13131211-101011121012161211111491191097
Percentage of Depreciation3.70.00.03.60.00.03.60.00.04.65.64.23.93.94.93.23.93.23.43.12.4

us-gaap:ConsolidationItems

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value5884-107184-230-458622-26-219438
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

glw:ForeignCurrencyHedgesRelatedToTranslatedEarnings, us-gaap:Nondesignated, us-gaap:GainLossOnDerivativeInstruments



Period End2020-03-312019-09-302019-03-312018-09-30
Value6886184230
Percentage of DerivativeGainLossOnDerivativeNet117.2102.4100.0-100.0

glw:ForeignExchangeAndOtherContractsBalanceSheetLoansAndOther, us-gaap:Nondesignated, us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-09-302019-03-312018-09-30
Value119-210
Percentage of DerivativeGainLossOnDerivativeNet1.722.6-1.1-4.3

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:Nondesignated



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value69105-86182240487-64119204-436-241-1236-894
Percentage of DerivativeGainLossOnDerivativeNet119.0125.080.498.9-104.3-106.3-103.1-73.1-93.2-99.50.00.00.0

us-gaap:HedgingDesignation

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-03-31
Value-82
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0

us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DesignatedAsHedgingInstrument, us-gaap:CostOfSales



Period End2020-03-312019-03-31
Value52
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet-62.5100.0

us-gaap:DesignatedAsHedgingInstrument, us-gaap:OtherExpense



Period End2020-03-31
Value-14
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet175.0

us-gaap:DesignatedAsHedgingInstrument, us-gaap:Sales



Period End2020-03-31
Value1000000.0
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet-12.5

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value168156157158146146153
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value168156157158146146153
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value168156157158146146153
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value24242524242524
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value24242524242524
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value24242524242524
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-03-312018-03-31
Value-24662
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value0.210.210.210.210.210.210.210.350.350.350.00.350.350.350.00.350.350.350.00.350.350.350.00.350.350.350.350.350.350.350.350.350.350.350.350.350.35
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1



Period End2020-03-31
Value0.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-33-86367-17853112335-6762-298-192-2994416
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1



Period End2020-03-31
Value-60
Percentage of GainLossOnDispositionOfAssets1100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-31
Value-60
Percentage of GainLossOnDispositionOfAssets1100.0

us-gaap:ConsolidationItems

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value-89-7
Percentage of GainLossOnSalesOfAssetsAndAssetImpairmentCharges100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value14233325288323139213313780165194159104396294239562867013816617393240259218324428398504474469418361195
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1820282631-303729-3179
Percentage of IncomeLossFromEquityMethodInvestments128.687.084.8104.096.9-96.894.993.5-83.898.8

us-gaap:StatementScenario, us-gaap:TaxPeriod

us-gaap:IncomeTaxExaminationPenaltiesAndInterestExpense

srt:ScenarioForecast, glw:TaxYear2013And2014



Period End2020-03-31
Value40
Percentage of IncomeTaxExaminationPenaltiesAndInterestExpense100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-207-299-162-230229129178-293148-103123-3143364529-413255-37-112-51-83-74-89
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value-4336-9454-7881124-21-110-7760-35-475232-21-11083-1749121-120-111
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-31
Value10979260-60-29-576-147104871333110-28-20-1124726
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value64577913101112119665655554123122334654323457
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-03-312017-06-302016-09-302016-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value-677-1-31-29003235-2-5
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value-253-23539-98-128-41326049-49434-949235240385-88-163-62-174-508-60026225-27976-224-40210670
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax377.60.00.0-1400.00.00.00.00.04900.00.00.0-758.1-827.60.00.00.00.00.00.00.00.00.00.00.0-700.0-1148.6-5300.0-1400.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceBeforeTax

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging, us-gaap:Nondesignated



Period End2020-03-31
Value14
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeReclassificationForDiscontinuanceBeforeTax100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-327-25736-156-101-459265119313-256-4882414-61-371241
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-326-25736-156-101-458265
Percentage of OtherComprehensiveIncomeLossNetOfTax99.7100.0100.0100.0100.099.8100.0

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-326-25736-156-101-458265
Percentage of OtherComprehensiveIncomeLossNetOfTax99.7100.0100.0100.0100.099.8100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-326-25736-156-101-45826555-5480-961251438407-8-212-35-249-818-674255-114119313-256-488440996928147372679812061191
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-03-31
Value-615
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent18.7-3.2

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-265-23838-110-128-42826453-46450
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent81.392.6105.670.5126.793.499.696.4920.093.8

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-31
Value22
Percentage of OtherComprehensiveIncomeLossTax100.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-06-302017-03-31
Value291610134010-1657
Percentage of OtherComprehensiveIncomeLossTax131.80.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

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



Period End2020-03-312019-03-31
Value-899
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-03-31
Value-899
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-09-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-61-22-3527-23412263111-22-19-4-3705251-4-32-171411-48-16-11249
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-31
Value5-2127-1-601-12-6-413-15-2-2
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromProductiveAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-03-312011-03-312010-03-312009-03-31
Value545524655364315282263270311298308333336262232246337244194412532173276
Percentage of PaymentsForProceedsFromProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfOrdinaryDividends



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value192181177168152153167173160169173177152152151136140146
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDepositsFromCustomers



Period End2020-03-312019-03-312018-03-31
Value1252276
Percentage of ProceedsFromDepositsFromCustomers100.0100.0100.0

us-gaap:ProceedsFromDerivativeInstrumentInvestingActivities



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1120138055152931641681721491357463895430
Percentage of ProceedsFromDerivativeInstrumentInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-03-312018-03-31
Value322-3
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0

us-gaap:CreditFacility

us-gaap:ProceedsFromRepaymentsOfDebt

us-gaap:RevolvingCreditFacility



Period End2020-03-31
Value1402
Percentage of ProceedsFromRepaymentsOfDebt100.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-03-312017-06-302016-09-302016-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value-62-17-26-29-1301718-2824
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeveranceCosts1



Period End2020-03-31
Value77
Percentage of SeveranceCosts1100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-31
Value77
Percentage of SeveranceCosts1100.0

us-gaap:StockholdersEquityOther



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value7228134-517
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value7212133111
Percentage of StockholdersEquityOther100.0100.042.999.3-20.064.7

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-03-312018-06-302018-03-31
Value611312-2
Percentage of StockholdersEquityOther85.750.097.811.80.0

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value11122192
Percentage of StockholdersEquityOther14.350.042.91.5-20.052.90.0

us-gaap:ShareRepurchaseProgram

us-gaap:TreasuryStockSharesAcquired

glw:The2018RepurchaseProgram



Period End2020-03-312019-09-302019-06-302019-03-31
Value41047
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredParValueMethod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value105308151244384674814
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareRepurchaseProgram

glw:The2018RepurchaseProgram



Period End2020-03-312019-09-302019-06-302019-03-31
Value105308151244
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value105308151244384674814
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value105308151244384674814
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.0100.0100.0100.0100.0

glw:InvestmentLiabilitiesNoncurrent



Period End2020-03-312019-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value25327011340661052021981952413433610
Percentage of InvestmentLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EnvironmentalRemediationContingency

us-gaap:AccrualForEnvironmentalLossContingencies

glw:EnvironmentalCleanupAndRelatedLitigation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value404139262830333538384040424345473637384141422830341521
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1929192318481664177418511768154514511391125510811149141613541231120113089569909171291967950846954915804959110195693490710931044100591911319499147969151128
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:AccruedLiabilitiesFairValueDisclosure

glw:OtherAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1431001296756
Percentage of AccruedLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

glw:OtherAccruedLiabilities, us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1431001296756
Percentage of AccruedLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:AccruedRentCurrent



Period End2020-03-312019-12-31
Value7562
Percentage of AccruedRentCurrent100.0100.0

us-gaap:AccruedRentNoncurrent



Period End2020-03-312019-12-31
Value560450
Percentage of AccruedRentNoncurrent100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value14340143231429514277142431421214201141581411914089140131396213888136951334013668136381335213590135781355213456133361330513072130661321513206131671314613118130961307713041130141298912954128651283312802127591270712502
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value44818071696460656160636256596260464848464647363132283031252624242319232420202122222020
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1100100090090010001000
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:OtherCurrentLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value192104424254
Percentage of ContractWithCustomerLiability17.510.44.74.75.4

us-gaap:OtherNoncurrentLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value907927851886922
Percentage of ContractWithCustomerLiability82.592.794.698.492.2

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-03-312018-12-31
Value1921048454
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value907927851886907922382
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312018-12-31
Value11811157951
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312018-12-31
Value251325347
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value970980902894843831783777724713743731705692762740697672
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetNotionalAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value19987161041701616098139131491117041171691657415718168181593517285186091943120979143991462314904172701519815717172771365386133208
Percentage of DerivativeAssetNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

glw:GrossNotionalValueCollarOptions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value37002500250025002500260026002300120013001100120016002000
Percentage of DerivativeAssetNotionalAmount18.515.514.715.518.017.415.313.47.28.36.57.59.310.7

glw:GrossNotionalValueForeignExchangeForward



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value84009700107001100010100110001210012300131001300014100131001390014700
Percentage of DerivativeAssetNotionalAmount42.060.262.968.372.673.871.071.679.082.783.882.280.479.0

glw:GrossNotionalValueTranslatedEarningsContracts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1210012200132001350012600136001470014600143001430015200143001540016700
Percentage of DerivativeAssetNotionalAmount60.575.877.683.990.691.286.385.086.391.090.489.789.189.7

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

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1100210020001600400
Percentage of DerivativeAssetNotionalAmount5.513.011.89.92.7

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

glw:TranslatedEarningsContracts, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value120891216613232135131264013620146791460414280142751521114264154301671111972126781323614664121261389915407116156826
Percentage of DerivativeAssetNotionalAmount60.575.577.883.990.991.386.185.186.290.890.489.589.389.883.186.788.884.979.888.489.285.179.3

us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1067212320391585336391376393313294381472588458782803674742487150271388433308377719
Percentage of DerivativeAssetNotionalAmount5.313.212.09.82.42.62.22.31.91.92.33.03.42.55.45.54.54.33.21.01.62.85.00.00.022.4

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6831181517451000937900113613221431599676649717890109559244456412851118104911008045915591939
Percentage of DerivativeAssetNotionalAmount34.211.310.36.26.76.06.77.78.63.84.04.14.14.87.64.03.03.38.57.16.18.19.30.00.060.4

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value65007700800081009100
Percentage of DerivativeAssetNotionalAmount32.547.847.050.361.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2832492371901681482551771972652842773195811031805929951157144114851535881209379462343482341166254910112102225553
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OtherAssets, glw:TranslatedEarningsContracts, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value5434666438436466146
Percentage of DerivativeFairValueOfDerivativeAsset19.113.727.833.722.629.125.124.925.1

us-gaap:OtherAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1237995221
Percentage of DerivativeFairValueOfDerivativeAsset4.214.93.84.73.01.40.80.4

us-gaap:OtherAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-30
Value44212123
Percentage of DerivativeFairValueOfDerivativeAsset15.58.48.912.1

us-gaap:OtherCurrentAssets, glw:TranslatedEarningsContracts, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1261141247711694159107106176175213275423
Percentage of DerivativeFairValueOfDerivativeAsset44.545.852.340.569.063.562.460.553.866.461.676.986.272.8

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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value11381013741271620121051
Percentage of DerivativeFairValueOfDerivativeAsset3.915.34.26.84.22.74.74.08.17.54.23.61.60.2

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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value36574259143274811
Percentage of DerivativeFairValueOfDerivativeAsset12.72.03.02.11.23.43.57.91.50.82.51.42.51.9

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-31
Value2932654004122804423374959523744014016013701747-16117241431748510859556231375479106134138181691951118520016114
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

glw:OtherAccruedLiabilities, glw:TranslatedEarningsContracts, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value827410962424740211083452293752
Percentage of DerivativeFairValueOfDerivativeLiability28.027.927.215.015.010.611.94.211.39.113.07.26.214.1

glw:OtherAccruedLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-06-302017-09-302017-06-302017-03-312016-12-31
Value24714226371329
Percentage of DerivativeFairValueOfDerivativeLiability8.22.63.50.50.51.20.71.72.27.8

glw:OtherAccruedLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-03-312012-12-31
Value371963178914737672110
Percentage of DerivativeFairValueOfDerivativeLiability12.67.21.50.70.41.62.41.81.51.90.71.71.01.919.876.9

us-gaap:OtherLiabilities, glw:TranslatedEarningsContracts, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value78161243330237386279325277
Percentage of DerivativeFairValueOfDerivativeLiability26.660.860.880.184.687.382.886.974.9

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-30
Value1442815
Percentage of DerivativeFairValueOfDerivativeLiability4.81.57.03.6

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-31
Value58
Percentage of DerivativeFairValueOfDerivativeLiability19.8

us-gaap:DerivativeLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1431001296743565042179423943568820421111255
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1501652713452373862874538303333433585462821543140061288
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value465565511438405642533411374620513410350487472386341491562445460373458393
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxPeriod

us-gaap:IncomeTaxesReceivableNoncurrent

glw:TaxYear20102018



Period End2020-03-312019-12-31
Value336415
Percentage of IncomeTaxesReceivableNoncurrent100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value991973964999959854801810786739720683668606636633630633583585527486457500535486487364399392338326312
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value475481500442410409380364350306314281256270278274247200246245268302323323317311329423361271234230268
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventorySuppliesNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value449445442426405388373366358345331325308292301301295288288288279279302307305239234231225220223209196
Percentage of InventorySuppliesNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value20820119818818218217316716116916215614815116015715614613012510012794
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value432421431424416386367356340322328327312303301293281264257267257255245250238234225222186168208234199
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value7815772962256080601859945056509948084749399433023669364639163918391039103915391031653227322832383224327228162822285533823272322931352364228222482245226223901927191919301527
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302018-12-31
Value8500850069006000
Percentage of LongTermDebtFairValue100.0100.0100.0100.0

us-gaap:LitigationCase

us-gaap:LossContingencyAccrualAtCarryingValue

glw:DowCorningBreastImplantLitigation



Period End2020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302016-05-31
Value165263263263263263290
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationCase, us-gaap:RestructuringPlan

glw:AsbestosLitigation, glw:AmendedPittsburghCorningCorporationPlan



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302016-12-312015-12-31
Value135135135185185185290528
Percentage of LossContingencyAccrualAtCarryingValue81.80.051.370.370.370.30.00.0

us-gaap:LossContingencyAccrualCarryingValueCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5657596411211314819212241583983707376238238
Percentage of LossContingencyAccrualCarryingValueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationCase, us-gaap:RestructuringPlan

glw:AsbestosLitigation, glw:AmendedPittsburghCorningCorporationPlan



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value3535355050503535
Percentage of LossContingencyAccrualCarryingValueCurrent62.559.354.744.633.826.028.760.3

us-gaap:LossContingencyAccrualCarryingValueNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value195196196243278279279280330338342343380369394394440440681
Percentage of LossContingencyAccrualCarryingValueNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationCase, us-gaap:RestructuringPlan

glw:AsbestosLitigation, glw:AmendedPittsburghCorningCorporationPlan



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value100100100135135135185185
Percentage of LossContingencyAccrualCarryingValueNoncurrent51.351.041.248.648.448.256.154.1

us-gaap:LitigationCase

us-gaap:LossContingencyEstimateOfPossibleLoss

glw:AsbestosLitigation



Period End2020-03-312019-12-312018-12-312018-06-302014-09-302014-06-302014-03-312013-12-312012-12-31
Value989814699701695692690671
Percentage of LossContingencyEstimateOfPossibleLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAccruedLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value60966765362911118878326656511146131012981275122110621010101818021365793903704613667
Percentage of OtherAccruedLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:OtherAssetsFairValueDisclosure

us-gaap:OtherCurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value17315714194103
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value1109296964566
Percentage of OtherAssetsFairValueDisclosure63.658.668.1102.143.70.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

us-gaap:OtherNoncurrentAssets, glw:RenewableEnergy



Period End2020-03-312019-12-312019-09-302019-06-30
Value19212123
Percentage of OtherAssetsFairValueDisclosure11.013.414.924.5

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherCurrentAssets, us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value17315714194103
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentAssets, us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value917175734566
Percentage of OtherAssetsFairValueDisclosure52.645.253.277.743.70.0

us-gaap:OtherNoncurrentAssets, us-gaap:FairValueInputsLevel3



Period End2020-03-312019-12-312019-09-302019-06-30
Value19212123
Percentage of OtherAssetsFairValueDisclosure11.013.414.924.5

us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilitiesFairValueDisclosure

us-gaap:OtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value150165271345406
Percentage of OtherLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherLiabilities, us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value150165271345386
Percentage of OtherLiabilitiesFairValueDisclosure100.0100.0100.0100.095.1

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value671671646648659662701702746749712712735737708710717718782781810814757751766766917916933930901900900897891886915913829828866858784
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtType

us-gaap:ShortTermBorrowings

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302018-12-312015-12-31
Value0000481
Percentage of ShortTermBorrowings0.00.00.00.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-312006-12-31
Value1228712997131341352113706138861397813951144881577017383180801837917960177871967217987188632007021055213722165221850218322171921211217982145421390215332188621402213672112921691213062035519426184671704216353155951349195427291
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-12-312019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312010-12-312009-12-312008-12-312007-12-31
Value-10511067-37-38-2-231-38-22
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.10.40.10.00.0-0.2-0.2-0.0-0.10.0-0.3-0.2

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-1497-1171-1387-1130-1166-1010-1136-1035-577-842-1676-1811-130744-300-8943-401-643-90-360
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-12.2-9.0-10.6-8.4-8.5-7.3-8.1-7.4-4.0-5.3-9.3-9.6-6.00.2-1.4-0.40.2-2.6-4.8-0.9-4.9

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312010-12-312009-12-312008-12-312007-12-31
Value-1122-857-1024-786-824-714-821-693-265-529-818-871-825-1275-1171-5811374808642543
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-9.1-6.6-7.8-5.8-6.0-5.1-5.9-5.0-1.8-3.4-4.7-4.8-4.5-7.1-6.2-2.77.15.24.85.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value143401432314295142771424314212142011415814119140891369513352134561306613146130411286512707125021228112008
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest116.7110.2108.8105.6103.9102.3101.6101.597.589.376.370.862.161.661.161.766.281.592.7128.7164.7

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value859859859858857857856855854854846840836831825818813808804799791
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest7.06.66.56.36.36.26.16.15.95.44.74.53.93.93.83.94.25.26.08.410.8

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value8990100969994887475726775734947515152484645
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.70.80.70.70.70.60.50.50.50.40.40.30.20.20.20.30.30.40.50.6

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value1219812907130341342513607137921389013877144131569817893187882157921162214862107819375155431344394967246
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.399.399.299.399.399.399.499.599.599.599.699.699.799.899.899.899.799.799.699.599.4

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value1611416408165551639916489163031618615731151661593016880138321302111320105889332688136361940-3002-4992
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest131.1126.2126.0121.3120.3117.4115.8112.8104.7101.094.073.360.153.449.244.235.423.314.4-31.5-68.5

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-19918-19812-19588-19279-19116-18870-18517-18132-17449-16633-14152-9725-6727-4099-2773-2024-1227-1207-1160-492-201
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-162.1-152.4-149.1-142.6-139.5-135.9-132.5-130.0-120.4-105.5-78.8-51.6-31.1-19.3-12.9-9.6-6.3-7.7-8.6-5.2-2.8

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value960956949938933925914902877850837803780765738607551496449420398389379361262211196180179169155129121666666656565656461
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:Revenues us-gaap:ProductOrService


us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:NetIncomeLoss us-gaap:ConsolidationItems


us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:NetIncomeLoss us-gaap:ConsolidationItems


us-gaap:ProfitLoss us-gaap:StatementEquityComponents