NUE


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

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

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

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

us-gaap:CostOfGoodsAndServicesSold

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:InterestExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

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

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByMeasurementBasis

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Goodwill
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:ProductOrService

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:DividendsPayableCurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensation

us-gaap:ProceedsFromRepaymentsOfShortTermDebt
us-gaap:AwardType, us-gaap:PlanName
nue:AllocatedShareBasedCompensationExpenseIncome

nue:AmortizationUnearnedCompensation
us-gaap:StatementEquityComponents

nue:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightedAverageExercisePrice

nue:CostsAndExpensesOperatingAndNonoperating

nue:DistributionsFromAffiliates

nue:LossesOnAssets

nue:ProfitSharingAndRetirementSavingsPlanExpense

us-gaap:AdjustmentForAmortization
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
us-gaap:StatementEquityComponents
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:Depreciation

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillOtherIncreaseDecrease
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:InterestRevenueExpenseNet

us-gaap:InvestmentIncomeInterest

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ProceedsFromContributionsFromAffiliates

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockOptionPlanExpense
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

nue:AccruedVacationAndHolidayPay

nue:BookOverdrafts

nue:ChangeInAccruedPlantAndEquipmentPurchases
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DebtInstrument
nue:EquityMethodInvestmentsApplicableCreditFacilitiesAmountOutstanding
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:InvestmentType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
nue:ExpenseAssociatedWithReservingRelatedPartyNotesReceivable

nue:FinishedAndSemiFinishedProductsInInventoryPercentage

nue:RawMaterialAndSuppliesInInventoryPercentage

nue:ShortAndLongTermDebtFairValue

us-gaap:AccrualForEnvironmentalLossContingenciesGross

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementBusinessSegments

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashEquivalentsAtCarryingValue
us-gaap:FairValueByMeasurementBasis

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementBasis
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:DueFromRelatedPartiesNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType, us-gaap:PlanName

us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShortTermBorrowings

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockCommonValue

Tables

  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
us-gaap:CommonStockValue █████████▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁152152152152152152152152152151151151151151151151151151151151151151151151151151151150150150150150150150150150150150150150NANANA149NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock█████████▁380380380380380380380380380379NANANA379NANANA378NANANA378NANANA377377NANANA377377NANANA376NANANA375NANANA374NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:TreasuryStock██▇▇▆▆▃▂▁▁79787676757466636261NANANA60NANANA60NANANA59NANANA5959NANANA5959NANANA59NANANA59NANANA59NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 302NA304305307NA316319320NA320321321NA320319319NA320320320NA320319319NANA319319318NANA318318317NA317317316NA316316316NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 302NA304305306NA315318319NA320320320NA319319319NA320320320NA320319319NANA319318318NANA318317317NA317316316NA316315315NANANANA
us-gaap:EarningsPerShareBasic ▃▃▅▆▇███▅▆▅▅▅▄▅▄▃▂▄▄▃▄▄▄▃▄▄▄▃▃▄▄▃▃▄▄▄▅▄▂▃▃▃▃▂▁▁0.070.350.91.261.632.082.132.141.111.20.791.01.110.50.840.730.22-0.190.710.390.210.660.760.460.350.530.530.460.270.260.430.430.350.350.460.430.570.940.5-0.040.070.290.10.19-0.1-0.43-0.6
us-gaap:EarningsPerShareDiluted ▃▃▅▆▇███▅▆▅▅▅▄▅▄▃▂▄▄▃▄▄▄▃▄▄▄▃▃▄▄▃▃▄▄▄▅▄▂▃▃▃▃▂▁▁0.070.350.91.261.632.072.132.131.11.20.791.01.110.50.840.730.22-0.190.710.390.210.650.760.460.350.530.530.460.270.260.430.430.350.350.460.430.570.940.5-0.040.070.290.10.18-0.1-0.43-0.6
  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▆▅▆▇▇▇██▆▅▅▅▅▃▄▄▃▃▄▄▄▅▆▆▅▅▅▅▅▄▄▄▅▅▅▅▆▅▅▃▄▄▃▂▂▁▁56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:IntersegmentElimination,nue:RawMaterials▆▄▄▆▆▇▇█▆▅▅▆▅▂▃▃▁▁▃▃▄▅▆▆▆▅▅▅▅24231866206324302423277329233155260822192333245921781280177417711171106816891687183221542492244325282378237823912183NANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:IntersegmentElimination,nue:SteelMills▆▅▅▅▆▆██▆▄▅▅▃▁▂▂▁▁▂▂▂▃▅▄▄▃▃▃▃86976282581490290410551065898733764760660474567554470448551577574655797742708639639652639NANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nue:SteelMills▅▄▅▆▇▇█▇▆▄▅▆▆▁▄▄▃▂▄▄▄▆▇▆▆▅▅▅▅35193036324437033949409344014169358031203214380035421935296030162634224528162968305335433898367436073410341034353197NANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nue:SteelProducts▇▇█▇▇▇█▇▅▆▆▂▁▇▂▂▁▂▃▂▂▂▃▂▁▂▂▂▂17261765182017501654174018491738146814861514970860168910119238289481081101592198011421035874916916964937NANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▆▅▆▇▇▇██▆▅▅▅▅▃▄▄▃▃▄▄▄▅▆▆▅▅▅▅▅▄▄▄▅▅▅▅▆▅▅▃▄▄▃▂▂▁▁56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
us-gaap:Revenues ▆▅▆▇▇▇██▆▅▅▅▅▃▄▄▃▃▄▄▄▅▆▆▅▅▅▅▅▄▄▄▅▅▅▅▆▅▅▃▄▄▃▂▂▁▁56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
 us-gaap:Revenues us-gaap:ProductOrService nue:Bar▄▁▂▄▅▅██▄1062933979107911151116124312581090NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService nue:OtherSteelProducts▆▇▇▆▅██▅▁99810601054101898210701078975828NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService nue:Sheet▃▁▂▅▅▆█▇▄157813791513174918071879205119741666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments nue:Bar,nue:SteelMills1062NA979107911151116124312581090NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments nue:OtherSteelProducts,nue:SteelProducts998NA1054101898210701078975828NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments nue:Sheet,nue:SteelMills1578NA1513174918071879205119741666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments nue:SteelMills3519NA3244370339494093440141693580NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments nue:SteelProducts1726NA1820175016541740184917381468NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ▄▂▄▅▆▆█▇▃▁▁49954696489151205200518354525294484245714591NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:SellingGeneralAndAdministrativeExpense ▄▅▅▇▆▇██▆▅▅▅▅▄▅▅▂▁▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▂▂15316215920818020923423418216817217017615616916110981124128124127152132133117117125123116120120114112107NA140147125NA8810792NANANANA
us-gaap:InterestExpense █▃▄▅▃▄▆▂▄▇███▆█▆█▆█▆▇▄█▇▅▄▄▄▄▁▅▅▆▆▆4737404137404435404547474643464347424643453946454139393840334141424444NA444645NA393839NANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▃▆▅▆▅▄▆▄▅▄█▆▅▄▅▆▇▃▃▆▁▄▂▆▄▅▅▆▅▃▅▅█▃▇-6413-1415-6-3222-436-3174232-28-8853-50-6227-116-48-8131-43-19-1931-15-50-1-161-5554NA-86NANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▂▂▄▅▆███▅▃▄▅▅▄▄▄▂▁▄▃▂▄▄▃▂▃▃▃▂▂▃▃▂▃▃14617838053468987792291351532237050854835942637014119354216119351403241207237237248152153219219191216225NA284477266NA58NANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nue:SteelMills▂▃▃▅▆▇█▇▅▃▄▅▅▃▅▅▃▁▃▃▃1562123095786898821095961560349432617684320593530279-47260198217NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nue:SteelProducts█▇█▅▃▄▆▇▄▃▃▂▁▂▃▄▂▃▄▃▁162147170116778613815585745945265272824276967032NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▄▅▆▇███▆▁▅▇▇▆▆▅▄▄▅▄▄▅▆▅▅▄▄▄▄▄▄▄▄▅▄914386122158196216200135-721041661711161311123734865634106129747746467046425959617661NA8415585NA74922NANANANA
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us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▅▇▄▅▄█▆▁▂▃2016899325376504921030742127288415NANANANANANANANANANANANANANA1941943983561287575678NA207NANANA47NANANA-3NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▁▂▅▆▄▆▇███-254-625-536-366-265-397-266-195-171-182-161NANANANANANANANANANANANANANA-292-292-181-227-13860602NA-92NANANA-84NANANA-253NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▅▆▄▅▂▄█▆▁▅-228-215-141-289-233-627-310174-145-724-205NANANANANANANANANANANANANANA-139-139874-399-139-775-775-101NA-138NANANA-138NANANA-105NANANANA
  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▅▇▄▅▄█▆▁▂▃2016899325376504921030742127288415NANANANANANANANANANANANANANA1941943983561287575678NA207NANANA47NANANA-3NANANANA
us-gaap:NetIncomeLoss ▃▃▅▆▇███▅▆▅▅▅▄▅▄▃▂▄▄▃▄▄▄▃▄▄▄▃▃▄▄▃▃▄▄▄▅▄▂▃▃▃▃▂▁▁2010727538650164667668335438325432335615927023370-62227124672102451471111701701478584136136110112145137181299159-1123903058-29-133-189
us-gaap:ProfitLoss ▃▄▅▆▇███▅▆▅▅▅▄▅▄▃▂▅▄▃▄▅▄▃▄▄▄▃▃▄▄▃▄▄▄▄▅▄▃▃▃▃▃▂▁▁54134293412530681706713380395266341377175294258104-15267159842442741661291901901781061101601601291391631582003211818501064186-5-127-190
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest█▄▁▄▅█▆▆▄342618252834293025NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA21NANANA10NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▁▂▄▅▆███▅20107275386501646676683354NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▂▄▅▆███▅20107275386501646676683354NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▆█▁█▆▇▄▆▃█▂1145-68491333-1419-2842-46NA-366NANA-2773NANA4768NANA-365757-7030-607070-37NA-59NANANA-51NANANA25NANANANA
us-gaap:IncreaseDecreaseInInventories ▄▁▁▂▂█▃█▆▃▅41-235-195-173-107447-31429246-56175NA519-51NANA-142-223NANA-330-35NANA123168168165-9963107107-194NA263NANANA397NANANA303NANANANA
  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▁▂▅▆▄▆▇███-254-625-536-366-265-397-266-195-171-182-161NANANANANANANANANANANANANANA-292-292-181-227-13860602NA-92NANANA-84NANANA-253NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇█▅▆▄▆▄▃▂▂▁416492334361288357263189172156103NA94277NANA8091NANA77110NANA258309309266290330333333230NA167NANANA96NANANA54NANANANA
us-gaap:PaymentsToAcquireInvestments 24NANANA50NANANANA00NA500NANA500NANA1110NANA100000NANA000NA185NANANA140NANANA240NANANANA
  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▅▆▄▅▂▄█▆▁▅-228-215-141-289-233-627-310174-145-724-205NANANANANANANANANANANANANANA-139-139874-399-139-775-775-101NA-138NANANA-138NANANA-105NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt 32NANANA3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▂▂▁▃▂█▄▃▁▁39101012472502181141290NANANA0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04

Common Stock Value

us-gaap:CommonStockValue



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value152152152152152152152152152151151151151151151151151151151151151151151151151151150150150150150150150150150150150150149
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.80.80.80.80.80.80.90.91.00.90.91.01.01.01.01.11.11.01.01.01.01.01.01.01.01.01.11.11.11.01.01.01.01.01.01.01.11.2

Shares Issued

us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value380380380380380380380380380379379378378377377376375374374373
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value7978767675746663626160605959595959596085
Percentage of SharesIssued20.820.620.220.319.819.617.416.816.316.316.016.015.615.715.715.815.916.016.122.8

Common Stock Shares Issued

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-04-042019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-10-012016-07-022016-04-022015-10-032015-07-042015-04-042014-10-042014-07-052014-04-052013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value302304305307316319320320321321320319319320320320320319319319319318318318317317317316316316316
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-04-042019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-10-012016-07-022016-04-022015-10-032015-07-042015-04-042014-10-042014-07-052014-04-052013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value302304305306315318319320320320319319319320320320320319319319318318318317317317316316316315315
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value0.070.350.91.261.632.082.132.141.111.20.791.01.110.50.840.730.22-0.190.710.390.210.660.760.460.350.530.530.460.270.260.430.430.350.350.460.430.570.940.5-0.040.070.290.10.19-0.1-0.43-0.6
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value0.070.350.91.261.632.072.132.131.11.20.791.01.110.50.840.730.22-0.190.710.390.210.650.760.460.350.530.530.460.270.260.430.430.350.350.460.430.570.940.5-0.040.070.290.10.18-0.1-0.43-0.6
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-30
Value-3376-2688-2945-3299-3388-3742-4034-4271-3543-2983-3129
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-60.0-52.4-53.9-56.0-55.6-59.4-59.8-66.1-63.6-58.6-60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-60.0-52.4-53.9-56.0-55.6-59.4-59.8-66.1-63.6-58.6-60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value2423186620632430242327732923315526082219233324592178128017741771117110681689168718322154249224432528237823912183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.136.437.841.239.844.043.448.846.943.645.147.545.232.441.441.731.530.940.038.741.743.143.746.249.548.648.446.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.136.437.841.239.844.043.448.846.943.645.147.545.232.441.441.731.50.040.038.741.743.143.746.249.548.648.446.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination nue:RawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, nue:SteelMills



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value86976282581490290410551065898733764760660474567554470448551577574655797742708639652639
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.514.915.113.814.814.415.616.516.114.414.814.713.712.013.213.112.713.013.013.213.113.114.014.013.913.113.213.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.514.915.113.814.814.415.616.516.114.414.814.713.712.013.213.112.70.013.013.213.113.114.014.013.913.113.213.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination nue:SteelMills100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value83595754626456503531302427303127212426211923342621222430
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.11.10.91.01.00.80.80.60.60.60.50.60.80.70.70.60.70.60.50.40.50.60.50.40.50.50.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.11.10.91.01.00.80.80.60.60.60.50.60.80.70.70.60.00.60.50.40.50.60.50.40.50.50.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination nue:SteelProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value378330399442492462491552519485441404412331317306252261328373424479661581626567540531
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.76.47.37.58.17.37.38.69.39.58.57.88.68.47.47.26.87.67.88.69.79.611.611.012.311.610.911.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.76.47.37.58.17.37.38.69.39.58.57.88.68.47.47.26.80.07.88.69.79.611.611.012.311.610.911.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:RawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nue:SteelMills



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value3519303632443703394940934401416935803120321438003542193529603016263422452816296830533543389836743607341034353197
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.659.259.462.864.865.065.364.564.361.362.273.473.648.969.071.070.965.066.768.169.470.868.469.470.669.769.568.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.659.259.462.864.865.065.364.564.361.362.273.473.648.969.071.070.90.066.768.169.470.868.469.470.669.769.568.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:SteelMills100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value17261765182017501654174018491738146814861514970860168910119238289481081101592198011421035874916964937
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.734.433.329.727.127.627.426.926.429.229.318.817.942.723.621.722.327.425.623.320.919.620.019.617.118.719.520.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.734.433.329.727.127.627.426.926.429.229.318.817.942.723.621.722.30.025.623.320.919.620.019.617.118.719.520.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:SteelProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value56245131546458956096629567426460556850925170517448153956429042453715345642254357439950035701529151084894489449404665455044514451480151045072482952525107483338534140419536542937312024782654
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

nue:Bar



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value1062933979107911151116124312581090
Percentage of Revenues18.918.217.918.318.317.718.419.519.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.918.217.918.318.317.718.419.519.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Bar0.00.00.00.00.00.00.00.00.0

nue:OtherSteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value99810601054101898210701078975828
Percentage of Revenues17.820.719.317.316.117.016.015.114.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.820.719.317.316.117.016.015.114.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:OtherSteelProducts0.00.00.00.00.00.00.00.00.0

nue:Plate



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value427364372472593615602488427
Percentage of Revenues7.67.16.88.09.79.88.97.67.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.67.16.88.09.79.88.97.67.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Plate0.00.00.00.00.00.00.00.00.0

nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value378330399442492462491552519
Percentage of Revenues6.76.47.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.76.47.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:RawMaterials0.00.00.00.00.00.00.00.00.0

nue:RebarFabrication



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value423416469438342363412390329
Percentage of Revenues7.58.18.67.45.65.86.16.15.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.58.18.67.45.65.86.16.15.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:RebarFabrication0.00.00.00.00.00.00.00.00.0

nue:Sheet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value157813791513174918071879205119741666
Percentage of Revenues28.126.927.729.729.629.930.430.629.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.126.927.729.729.629.930.430.629.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Sheet0.00.00.00.00.00.00.00.00.0

nue:Structural



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value450358378401433481503448396
Percentage of Revenues8.07.06.96.87.17.67.56.97.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.07.06.96.87.17.67.56.97.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Structural0.00.00.00.00.00.00.00.00.0

nue:TubularProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value305287296293329306357371311
Percentage of Revenues5.45.65.45.05.44.95.35.85.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.45.65.45.05.44.95.35.85.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:TubularProducts0.00.00.00.00.00.00.00.00.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

nue:Bar, nue:SteelMills



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value1062979107911151116124312581090
Percentage of Revenues18.917.918.318.317.718.419.519.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.917.918.318.317.718.419.519.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Bar nue:SteelMills0.00.00.00.00.00.00.00.0

nue:OtherSteelProducts, nue:SteelProducts



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value9981054101898210701078975828
Percentage of Revenues17.819.317.316.117.016.015.114.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.819.317.316.117.016.015.114.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:OtherSteelProducts nue:SteelProducts0.00.00.00.00.00.00.00.0

nue:Plate, nue:SteelMills



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value427372472593615602488427
Percentage of Revenues7.66.88.09.79.88.97.67.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.66.88.09.79.88.97.67.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Plate nue:SteelMills0.00.00.00.00.00.00.00.0

nue:RawMaterials, nue:RawMaterials



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value378399442492462491552519
Percentage of Revenues6.77.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.77.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:RawMaterials nue:RawMaterials0.00.00.00.00.00.00.00.0

nue:RebarFabrication, nue:SteelProducts



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value423469438342363412390329
Percentage of Revenues7.58.67.45.65.86.16.15.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.58.67.45.65.86.16.15.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:RebarFabrication nue:SteelProducts0.00.00.00.00.00.00.00.0

nue:Sheet, nue:SteelMills



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value15781513174918071879205119741666
Percentage of Revenues28.127.729.729.629.930.430.629.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.127.729.729.629.930.430.629.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Sheet nue:SteelMills0.00.00.00.00.00.00.00.0

nue:Structural, nue:SteelMills



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value450378401433481503448396
Percentage of Revenues8.06.96.87.17.67.56.97.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.06.96.87.17.67.56.97.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:Structural nue:SteelMills0.00.00.00.00.00.00.00.0

nue:TubularProducts, nue:SteelProducts



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value305296293329306357371311
Percentage of Revenues5.45.45.05.44.95.35.85.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.45.45.05.44.95.35.85.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:TubularProducts nue:SteelProducts0.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

nue:RawMaterials



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value378399442492462491552519
Percentage of Revenues6.77.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.77.37.58.17.37.38.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:RawMaterials0.00.00.00.00.00.00.00.0

nue:SteelMills



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value35193244370339494093440141693580
Percentage of Revenues62.659.462.864.865.065.364.564.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.659.462.864.865.065.364.564.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:SteelMills0.00.00.00.00.00.00.00.0

nue:SteelProducts



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value17261820175016541740184917381468
Percentage of Revenues30.733.329.727.127.627.426.926.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.733.329.727.127.627.426.926.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax nue:SteelProducts0.00.00.00.00.00.00.00.0

Sales Revenue Net

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-30
Value49954696489151205200518354525294484245714591
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.891.589.586.885.382.380.981.987.089.888.8

Cost Of Goods Sold

Gross Profit

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value153162159208180209234234182168172170176156169161109811241281241271521321331171251231161201141121071401471258810792
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 RevenueFromContractWithCustomerExcludingAssessedTax2.73.22.93.53.03.33.53.63.33.33.33.33.73.93.93.83.00.02.93.02.82.52.72.52.62.42.52.62.62.72.42.22.12.72.92.62.12.62.5

Interest Expense

us-gaap:InterestExpense



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value473740413740443540454747464346434742464345394645413938403341424444444645393839
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.70.70.70.60.70.70.50.70.90.90.91.01.11.11.01.30.01.11.01.00.80.80.90.80.80.80.90.70.90.90.90.90.80.90.91.00.91.1

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-01
Value-6413-1415-6-3222-436-3174232-28-8853-50-6227-116-48-8131-43-1931-15-50-161-5554-86
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.10.3-0.30.3-0.1-0.50.3-0.70.1-0.61.40.50.0-0.7-0.20.21.50.0-1.50.6-2.7-1.0-1.40.6-0.9-0.40.6-0.3-1.1-0.01.3-1.11.1-1.6

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-02
Value1461783805346898779229135153223705085483594263701411935421611935140324120723724815215321919121622528447726658
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.63.57.09.111.313.913.714.19.36.37.29.811.49.19.98.73.80.08.45.02.77.07.14.64.14.85.03.33.44.94.04.24.45.49.35.51.4

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-30
Value-164-89-89-182-130-147-282-338-204-129-131
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-112.7-50.0-23.5-34.1-18.9-16.8-30.6-37.1-39.7-40.1-35.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.9-1.7-1.6-3.1-2.1-2.3-4.2-5.2-3.7-2.5-2.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ConsolidationEliminations4.93.33.05.53.83.97.07.95.84.34.2

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-04
Value-7-92-10215355-29134742696626-1814-27-63-161-43-38-41
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-5.4-51.9-2.84.17.76.4-3.214.814.48.32.713.04.8-5.23.4-7.3-44.8-818.1-12.2-17.6-34.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-1.8-0.20.40.90.9-0.42.11.30.50.21.30.5-0.50.3-0.6-1.70.0-1.0-0.9-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:RawMaterials-2.1-28.0-2.74.910.812.1-5.924.414.45.52.316.46.4-5.74.5-8.9-25.1-61.5-13.2-10.2-9.8

us-gaap:OperatingSegments, nue:SteelMills



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-04
Value1562123095786898821095961560349432617684320593530279-47260198217
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest107.0119.281.5108.3100.0100.6118.7105.3108.6108.6116.8121.5124.689.0139.1143.1197.7-239.373.691.8182.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.84.15.79.811.314.016.214.910.16.98.411.914.28.113.812.57.50.06.24.64.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:SteelMills4.47.09.615.617.521.624.923.115.711.213.516.219.316.620.017.610.6-2.19.36.77.1

us-gaap:OperatingSegments, nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-04
Value162147170116778613815585745945265272824276967032
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest111.182.744.821.711.29.915.017.016.623.216.09.04.914.517.022.429.9389.827.132.727.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.93.12.01.31.42.12.41.51.51.10.90.61.31.72.01.10.02.31.60.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments nue:SteelProducts9.48.49.46.64.75.07.59.05.85.03.94.73.13.17.29.05.18.18.97.03.5

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 End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value914386122158196216200135-72104166171116131112373486563410612974774670464259617661841558574922
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.91.62.12.63.13.23.12.4-1.42.03.23.63.03.12.71.00.02.01.30.82.12.31.41.51.01.41.00.91.31.31.51.21.63.01.80.21.20.6

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value54134293412530681706713380395266341377175294258104-15267159842442741661291901901781061101601601291391631582003211818501064186-5-127-190
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.02.65.47.08.710.810.511.06.87.85.16.67.84.46.96.12.8-0.46.33.71.94.94.83.22.53.93.93.62.32.43.63.62.72.73.23.33.86.33.70.21.22.51.12.9-0.2-5.2-7.2

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312011-04-022010-04-03
Value3426182528342930252110
Percentage of ProfitLoss62.619.76.36.35.55.04.24.36.811.724.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.30.40.50.50.40.50.50.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value20107275386501646676683354
Percentage of ProfitLoss37.480.393.793.794.595.095.895.793.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value20107275386501646676683354
Percentage of ProfitLoss37.480.393.793.794.595.095.895.793.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value-44118259397495617698636359347329347357192262248125-111161152-501501641786615717969341421816720799315231845113
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.82.34.76.78.19.810.49.96.56.86.46.77.44.96.15.93.40.03.83.5-1.23.02.93.41.33.23.61.50.83.23.81.34.11.96.24.82.01.20.4

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-02
Value342618252834293025111118202124243346403416342819181930212523192718182121
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.30.40.50.50.40.50.50.20.20.40.40.50.60.60.90.01.00.80.40.70.50.40.40.40.60.50.60.50.40.50.40.40.40.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value-10145277423524651727666385358341365378213287273159-64202187-34184192198841762099060166201942261183372531116623
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.22.85.17.28.610.310.810.36.97.06.67.17.95.46.76.44.30.04.84.3-0.83.73.43.81.73.64.31.91.33.74.21.94.52.26.65.22.71.60.6

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value2010727538650164667668335438325432335615927023370-62227124672102451471111701701478584136136110112145137181299159-1123903058-29-133-189
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.47.54.96.27.44.06.35.51.9-1.85.42.91.54.24.32.82.23.53.53.01.81.93.13.12.32.22.92.83.55.93.3-0.30.62.20.82.0-0.9-5.4-7.1

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value1910727338449964467368035238225332135522026923270-62226124672092441461101691478484136109111144180298159239030
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.58.210.210.010.56.37.54.96.27.45.66.35.51.90.05.42.91.54.24.32.82.23.53.01.81.93.12.32.22.93.45.83.30.62.20.8

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value1910727338449964467368035338225332135522026923270-62226124672092441461101691478484136109111144180298159239030
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.58.210.210.010.56.37.54.96.27.45.66.35.51.90.05.42.91.54.24.32.82.23.53.01.81.93.12.32.22.93.45.83.30.62.20.8

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value342618252834293025111118202124243346403416342819181930212523192718182121261510
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.30.40.50.50.40.50.50.20.20.40.40.50.60.60.90.01.00.80.40.70.50.40.40.40.60.50.60.50.40.50.40.40.40.40.60.40.3

Assets

us-gaap:Assets



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-312008-12-31
Value17866183441850618126180861792017962174511612115841165031611215875152231511314924143951425015269150681485515615154931531015118152031509113766140391415214997147661481414570148071473314344139211257113874
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292017-12-312016-12-31
Value6251134143289177144910514501356
Percentage of Assets3.56.27.74.94.32.55.92.88.9
Percentage of Assets3.56.27.74.94.32.55.92.88.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312014-12-31
Value331133163225325934923318357335673396346233163395323532733200318731233858
Percentage of Assets18.518.117.418.019.518.520.522.121.421.020.621.421.321.721.422.121.924.7
Percentage of Assets18.518.117.418.019.518.520.522.121.421.020.621.421.321.721.422.121.924.7
Percentage of Assets us-gaap:OperatingSegments nue:RawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nue:SteelMills



Period End2020-04-042019-12-312019-09-282019-06-292018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312014-12-31
Value940592839117920492448764859081479249927292309054808478577667725073188528
Percentage of Assets52.650.649.350.851.648.849.250.558.456.257.357.053.152.051.450.451.454.6
Percentage of Assets52.650.649.350.851.648.849.250.558.456.257.357.053.152.051.450.451.454.6
Percentage of Assets us-gaap:OperatingSegments nue:SteelMills100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312014-12-31
Value452346104730477047344828467244072737289326912596254425702538242424852731
Percentage of Assets25.325.125.626.326.426.926.827.317.317.516.716.416.717.017.016.817.417.5
Percentage of Assets25.325.125.626.326.426.926.827.317.317.516.716.416.717.017.016.817.417.5
Percentage of Assets us-gaap:OperatingSegments nue:SteelProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value10701529169612031263108915801185257645119311421243176120872105208717691717127090896312411297
Percentage of Assets6.08.39.26.67.06.18.86.81.64.17.27.17.811.613.814.114.512.411.28.46.16.28.08.5
Percentage of Assets6.08.39.26.67.06.18.86.81.64.17.27.17.811.613.814.114.512.411.28.46.16.28.08.5
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value726975537645742875847718778877166798675676587400740769687023700366176464722270936949754074777364725772937228599562366266713369847018686371287058689065914987
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.741.241.341.041.943.143.444.242.242.746.445.946.745.846.546.946.045.447.347.146.848.348.348.148.048.047.943.644.444.347.647.347.447.148.147.948.047.339.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value178661834418506181261808617920179621745116121158411650316112158751522315113149241439514250152691506814855156151549315310151181520315091137661403914152149971476614814145701480714733143441392112571
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value10168103571044910300101149792979293738976873985058377813478797727757374267416770976607611777277357680760276457605753775677641763375587585747474627464725171207390
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.956.556.556.855.954.654.553.755.755.251.552.051.251.851.150.751.652.050.550.851.249.849.950.250.350.350.454.853.954.050.951.251.251.350.450.750.651.158.8

Assets Current

us-gaap:AssetsCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value784782268684846786508636884484017079682475007182687865066700653860065754646561545862644167966494630964106468518355465661662264866859670868936716629558615182
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.944.846.946.747.848.249.248.143.943.145.444.643.342.744.343.841.740.442.340.839.541.343.942.441.742.242.937.739.540.044.243.946.346.046.645.643.942.141.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022011-01-012010-12-312010-10-022010-07-032010-04-032009-12-312008-12-312007-12-31
Value1245153416861431155013981932148676094915751511165720451704178122781939189515761153102412951067115214831722630902105216931111117912001101118911521325132518508011659201623551393
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.08.49.17.98.67.810.88.54.76.09.59.410.413.411.311.915.813.612.410.57.86.68.47.07.69.811.44.66.47.411.37.58.08.27.48.18.00.09.50.00.00.016.017.00.0

Short Term Investments

us-gaap:ShortTermInvestments



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value14630024950500505050501506505505010010011211110010010010028484729104430569119813621312109211431153225
Percentage of ShortTermInvestments100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.61.30.30.30.00.30.30.30.31.04.33.70.30.70.70.70.80.60.60.70.70.20.30.30.20.72.93.98.19.48.97.48.08.31.8

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value1463002495050505050501506505505010010011211110010028
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.61.30.30.30.30.30.30.31.04.33.70.30.70.70.70.80.60.60.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value1463002495050505050501506505505010010011211110010028
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.81.61.30.30.30.30.30.30.31.04.33.70.30.70.70.70.80.60.60.2
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure13.619.614.74.24.07.74.24.44.08.531.126.12.45.75.88.812.310.48.12.2

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value227321602312239924832505263626372371202821132081198016311850178914931383171617911711206822432071190018101918176717911707179919191791171018381837170414391116
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.711.812.513.213.714.014.715.114.712.812.812.912.510.712.212.010.49.711.211.911.513.214.513.512.611.912.712.812.812.112.013.012.111.712.412.511.910.38.9

Inventory Net

us-gaap:InventoryNet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value387538424072426844454553410541333708346135223326306424792338228820072145236122672405274526832738272426052439227923812323221724062258198721882222195915571312
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.720.922.023.624.625.422.923.723.021.921.320.619.316.315.515.313.915.115.515.016.217.617.317.918.017.116.216.617.016.414.816.315.213.614.815.113.711.210.4

Inventory L I F O Reserve

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value307389363317121178170143238335238213125198156129175185392407480504473517432482339458441473481479431446452374335384511
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.72.12.01.80.71.00.90.81.52.11.41.30.81.31.00.91.21.32.62.73.23.23.13.42.93.22.23.33.13.33.23.22.93.13.12.52.32.84.1

Machinery And Equipment Gross

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value956094169540946093209190914088908840869686108460831081578160803078807740760074707320716570706930678066266520640062806155607059605850572556105480537052404784
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.551.351.652.251.551.350.950.954.854.952.252.552.353.654.053.854.754.349.849.649.345.945.645.344.843.643.246.544.743.540.540.439.539.337.937.237.437.638.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value641661785886579755735334515151225090509350955062513350784913481648134891504051205184528748844971496049174697460844504283410639593817375537663804383138524013
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.933.731.832.030.829.828.729.431.632.230.931.432.333.432.532.333.434.333.034.034.933.931.532.532.832.331.133.531.730.327.426.825.825.825.425.826.727.731.9

us-gaap:PropertyPlantAndEquipmentByType

nue:CarryingValueOfTheOneFieldOfWells



Period End2020-04-042019-12-31
Value1212
Percentage of PropertyPlantAndEquipmentNet0.20.2
Percentage of Assets0.10.1
Percentage of Assets nue:CarryingValueOfTheOneFieldOfWells0.00.0

nue:CarryingValueOfTheTwoFieldOfWells



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-29
Value65666868697172
Percentage of PropertyPlantAndEquipmentNet1.01.11.21.21.21.31.4
Percentage of Assets0.40.40.40.40.40.40.4
Percentage of Assets nue:CarryingValueOfTheTwoFieldOfWells0.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-312008-12-31
Value2182220121862187218321842194218521952196220821792177205220262030202520112023204620432068198219711958197319831983199020042008198818551830183018451847183618031732
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 Assets12.212.011.812.112.112.212.212.513.613.913.413.513.713.513.413.614.114.113.313.613.813.212.812.913.013.013.114.414.214.213.413.512.512.612.412.512.913.214.312.5

us-gaap:ProductOrService

nue:GratingUnit



Period End2020-04-042019-12-312019-09-282019-06-292019-03-30
Value3636363636
Percentage of Goodwill1.71.71.71.71.7
Percentage of Assets0.20.20.20.20.2
Percentage of Assets nue:GratingUnit0.00.00.00.00.0

nue:RebarFabrication



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-31
Value341356354356352353
Percentage of Goodwill15.616.216.216.316.116.2
Percentage of Assets1.91.91.92.01.92.0
Percentage of Assets nue:RebarFabrication0.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

nue:RawMaterials



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-312009-12-31
Value729729729729729729729729729729729729729729729729729729729729729729729703703703703703703703703693694682679679665
Percentage of Goodwill33.433.133.433.333.433.433.233.433.233.233.033.533.535.536.035.936.036.336.135.735.735.336.835.735.935.635.535.535.335.135.034.937.437.337.137.036.9
Percentage of Assets4.14.03.94.04.04.14.14.24.54.64.44.54.64.84.84.95.15.14.84.84.94.74.74.64.74.64.75.15.05.04.74.74.74.74.64.95.3
Percentage of Assets nue:RawMaterials0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.023.420.920.319.518.618.117.817.717.818.819.319.720.822.022.722.923.423.125.127.5

nue:SteelMills



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-312009-12-31
Value591591591591591591591591591745745745745620590590590590590590594594495495495495495495495407407411268268268268268
Percentage of Goodwill27.126.927.127.127.127.127.027.127.033.933.834.234.230.229.129.129.229.429.228.929.128.725.025.225.325.125.025.024.920.320.320.714.514.714.714.614.9
Percentage of Assets3.33.23.23.33.33.33.33.43.74.74.54.64.74.13.94.04.14.13.93.94.03.83.23.23.33.33.33.63.52.92.72.81.81.81.81.92.1
Percentage of Assets nue:SteelMills0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.08.17.57.57.46.55.85.85.85.96.16.36.25.35.35.14.04.34.24.54.9

nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-312009-12-31
Value861879864866862862872864874720733704702702706710705691703726719744757772759774784783791805809794804790793799780
Percentage of Goodwill39.540.039.639.639.539.539.839.539.832.833.232.332.334.234.935.034.834.434.835.535.236.038.239.238.839.239.539.539.840.240.340.043.343.243.343.543.3
Percentage of Assets4.84.84.74.84.84.84.95.05.44.64.44.44.44.64.74.84.94.84.64.84.84.84.95.05.05.15.25.75.65.75.45.45.45.45.45.76.2
Percentage of Assets nue:SteelProducts0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.027.826.726.827.425.825.025.726.927.126.327.027.828.126.826.727.427.226.328.228.8

Intangible Assets Net Excluding Goodwill

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-31
Value718742764786806828847867892914940946969866757740756770793819834862819842851874
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.04.14.34.54.64.75.05.55.85.75.96.15.75.05.05.35.45.25.45.65.55.35.55.65.7

us-gaap:ProductOrService

nue:RebarFabrication



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-31
Value626769727476
Percentage of FiniteLivedIntangibleAssetsNet8.79.19.19.29.29.3
Percentage of Assets0.40.40.40.40.40.4
Percentage of Assets nue:RebarFabrication0.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value700996984887872936925874863812758740717718715797793822946927930955101110301037102810451007969968865850903905906963947917669
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.95.45.34.94.85.25.25.05.45.14.64.64.54.74.75.35.55.86.26.26.36.16.56.76.96.86.97.36.96.85.85.86.16.26.16.56.66.65.3

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value221824632585238025682806280727502844282435553325283723891898193615501385184716901524209721562017189519601993174019862029288727572549239623582002178715041227
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.413.414.013.114.215.715.615.817.617.821.520.617.915.712.613.010.89.712.111.210.313.413.913.212.512.913.212.614.214.319.318.717.216.415.913.612.510.89.8

Long Term Debt Current

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value118912011310121914291428144715581329118113121214125783892610237585669078207469931113112410621117113797910211046118611271188958117511431114896707
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.76.67.16.77.98.08.18.98.27.58.07.57.95.56.16.95.34.05.95.45.06.47.27.37.07.37.57.17.37.47.97.68.06.67.97.87.86.45.6

Dividends Payable Current

us-gaap:DividendsPayableCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value122122122122123123120121121121121121121121120120120120120120119119118118118118117117117117116116116116115115115115114
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.70.70.70.70.70.80.80.70.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.90.80.80.80.80.80.80.80.80.80.80.9

Long Term Debt

Long Term Debt Noncurrent

Deferred Tax Liabilities Noncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292012-12-312011-12-312010-12-312009-12-31
Value446431407387352332382376359329516549546558506451456449729758769779661675682676556571566533448342
Percentage of DeferredTaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.32.22.11.91.92.12.22.22.13.13.43.43.73.33.03.23.24.85.05.25.04.34.44.54.43.74.14.03.73.22.7

Minority Interest

us-gaap:MinorityInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value427433411397388409382362346345340334334374363346351369338314294302280265258264258233235243230224210231216210202210193
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.42.22.22.12.32.12.12.22.22.12.12.12.52.42.32.42.62.22.12.01.91.81.71.71.71.71.71.71.71.51.51.41.61.51.41.41.51.5

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value10168103571044910300101149792979293738976873985058377813478797727757374267416770976607611777277357680760276457605753775677641763375587585747474627464725171207390
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.956.556.556.855.954.654.553.755.755.251.552.051.251.851.150.751.652.050.550.851.249.849.950.250.350.350.454.853.954.050.951.251.251.350.450.750.651.158.8

Common Stock Value

us-gaap:CommonStockValue



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value152152152152152152152152152151151151151151151151151151151151151151151151151151150150150150150150150150150150150150149
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.80.80.80.80.80.80.90.91.00.90.91.01.01.01.01.11.11.01.01.01.01.01.01.01.01.01.11.11.11.01.01.01.01.01.01.01.11.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value110121111511130109771071410337981492578696846382018067786676307469731972067255743873317326737872877160713271407088705870917124712971357140711170907024684067957120
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.660.660.160.659.257.754.653.053.953.449.750.149.650.149.449.050.150.948.748.749.347.247.046.847.247.047.051.350.550.347.548.348.248.847.947.747.748.856.6

Treasury Stock Value

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052014-03-252013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value-367-302-313-297-308-304-274-296-249-254-217-292-316-317-288-281-296-351-301-236-264-145-85-3-35-35922-965651-2024-38-216044-27-41
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.1-1.7-1.7-1.6-1.7-1.7-1.5-1.7-1.5-1.6-1.3-1.8-2.0-2.1-1.9-1.9-2.1-2.5-2.0-1.6-1.8-0.9-0.6-0.0-0.20.00.10.1-0.10.00.40.3-0.10.2-0.3-0.10.40.3-0.2-0.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value20168993253765049210307421272884151943983561287567820747-3
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.613.417.19.110.77.815.311.52.35.78.04.08.17.62.81.714.14.11.0-0.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-254-625-536-366-265-397-266-195-171-182-161-292-181-227-138602-92-84-253
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-12.2-9.8-6.2-4.4-6.3-4.0-3.0-3.1-3.6-3.1-6.0-3.7-4.9-3.01.40.0-1.8-1.7-6.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-228-215-141-289-233-627-310174-145-724-205-139874-399-139-775-101-138-138-105
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-4.2-2.6-4.9-3.8-10.0-4.62.7-2.6-14.2-4.0-2.817.7-8.6-3.1-17.4-2.1-2.7-2.9-2.9

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value20168993253765049210307421272884151943983561287567820747-3
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.613.417.19.110.77.815.311.52.35.78.04.08.17.62.81.714.14.11.0-0.1

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value2010727538650164667668335438325432335615927023370-62227124672102451471111701701478584136136110112145137181299159-1123903058-29-133-189
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.47.54.96.27.44.06.35.51.9-1.85.42.91.54.24.32.82.23.53.53.01.81.93.13.12.32.22.92.83.55.93.3-0.30.62.20.82.0-0.9-5.4-7.1

Profit Loss

us-gaap:ProfitLoss



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-12-312013-09-282013-06-292013-03-302012-12-312012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312010-10-022010-07-032010-04-032009-12-312009-10-032009-07-042009-04-04
Value54134293412530681706713380395266341377175294258104-15267159842442741661291901901781061101601601291391631582003211818501064186-5-127-190
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.02.65.47.08.710.810.511.06.87.85.16.67.84.46.96.12.8-0.46.33.71.94.94.83.22.53.93.93.62.32.43.63.62.72.73.23.33.86.33.70.21.22.51.12.9-0.2-5.2-7.2

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312011-04-022010-04-03
Value3426182528342930252110
Percentage of ProfitLoss62.619.76.36.35.55.04.24.36.811.724.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.30.40.50.50.40.50.50.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value20107275386501646676683354
Percentage of ProfitLoss37.480.393.793.794.595.095.895.793.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value20107275386501646676683354
Percentage of ProfitLoss37.480.393.793.794.595.095.895.793.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.42.15.06.68.210.310.010.66.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value1145-68491333-1419-2842-46-366-27734768-3657-7030-6070-37-59-5125
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value41-235-195-173-107447-31429246-56175519-51-142-223-330-35123168165-9963107-194263397303
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-254-625-536-366-265-397-266-195-171-182-161-292-181-227-138602-92-84-253
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-12.2-9.8-6.2-4.4-6.3-4.0-3.0-3.1-3.6-3.1-6.0-3.7-4.9-3.01.40.0-1.8-1.7-6.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value416492334361288357263189172156103942778091771102583092662903303332301679654
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments



Period End2020-04-042019-03-302017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282012-12-312012-09-292012-03-312011-04-022010-04-03
Value24500050050011101000000185140240
Percentage of PaymentsToAcquireInvestments100.0100.00.00.0100.00.0100.00.0100.00.0100.00.0100.00.00.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-228-215-141-289-233-627-310174-145-724-205-139874-399-139-775-101-138-138-105
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-4.2-2.6-4.9-3.8-10.0-4.62.7-2.6-14.2-4.0-2.817.7-8.6-3.1-17.4-2.1-2.7-2.9-2.9

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-04-042019-03-30
Value323
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0

Repayments Of Long Term Debt

Payments Of Dividends

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-31
Value391010124725021811412900
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-04-042019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-10-012016-07-022016-04-022015-10-032015-07-042015-04-042014-10-042014-07-052014-04-052013-09-282013-06-292013-03-302012-09-292012-06-302012-03-31
Value0.6280.2280.2290.230.2340.2190.2630.2820.3270.3120.3090.3030.2620.2440.2630.2920.3210.310.3750.2820.3020.2780.3230.3540.274
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value33443334344433333333222222221111010111
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value50.7850.7849.9249.9250.0449.7149.7149.4948.3647.9647.947.7545.4945.3245.0744.8243.5143.5143.5143.5642.3942.3942.4342.3340.4740.4740.4740.4739.0339.0139.0138.1139.8638.2629.1421.9520.820.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value1016134812713411012109127666666286756910
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Cash And Cash Equivalents Period Increase Decrease

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-914-12-11135-6-142121130-11-14-3-180166-2-96-1012-123637
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType, us-gaap:PlanName

nue:AllocatedShareBasedCompensationExpenseIncome

nue:RestrictedStockAndRestrictedStockUnits, nue:AipAndLtip



Period End2020-04-042019-03-30
Value05
Percentage of AllocatedShareBasedCompensationExpenseIncome100.0100.0

nue:AmortizationUnearnedCompensation



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value400000.0508000.0500000.0400000.0600000.0377000.0400000.0300000.0700000.0200000.0300000.0400000.0243000.0200000.0232000.0300000.0218000.0200000.0220000.0201000.0199000.0201000.0200000.0100000.0300000.0500000.0600000.0
Percentage of AmortizationUnearnedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value400000.0508000.0500000.0400000.0600000.0377000.0400000.0300000.0700000.0
Percentage of AmortizationUnearnedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-02
Value400000.0508000.0500000.0400000.0600000.0377000.0400000.0300000.0700000.0200000.0300000.0400000.0243000.0200000.0232000.0300000.0218000.0200000.0220000.0201000.0199000.0201000.0200000.0100000.0300000.0500000.0
Percentage of AmortizationUnearnedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightedAverageExercisePrice



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302017-12-312017-09-302017-09-292017-07-012016-12-312016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-10-042013-12-312013-09-282013-06-292012-12-312012-09-292012-06-302011-10-01
Value51.380.060.9260.9260.920.065.865.80.059.0759.0759.070.049.445.73-1.379999999999995547.4550.6350.630.00.00.044.51-42027.9342070.042.0742070.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightedAverageExercisePrice100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

nue:CostsAndExpensesOperatingAndNonoperating



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value547849535084536154075418581955475052477047994666426635963863387435743437387141414280465252975049490046574692451343974231460948884847496746304567408240403590
Percentage of CostsAndExpensesOperatingAndNonoperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:DistributionsFromAffiliates



Period End2020-04-042019-12-312019-03-302018-12-31
Value210260
Percentage of DistributionsFromAffiliates100.0100.0100.0100.0

nue:LossesOnAssets



Period End2020-04-04
Value287
Percentage of LossesOnAssets100.0

nue:ProfitSharingAndRetirementSavingsPlanExpense



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312012-03-302011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value1117405271818688513135485442383611-3312111323722182222131319171722222644273146
Percentage of ProfitSharingAndRetirementSavingsPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentForAmortization



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value212121212122222222222222191818181818181818191920161718
Percentage of AdjustmentForAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

nue:Duferdofin



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-04
Value22222222222222222222222
Percentage of AdjustmentForAmortization10.210.410.010.810.210.010.410.410.710.110.00.09.411.10.00.012.111.80.00.011.813.70.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value000300030
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value000300030
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value000300030
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-30
Value101011416783255621555184551954517455184
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value212122212122222222222323221918171818181818181717181818181919201616171717171718
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-04-042019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-09-292017-07-012017-04-012016-07-022016-04-022015-10-032015-07-042015-04-042014-10-042014-04-052013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-10-01
Value3000000000012100000000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.00.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-31
Value-289-151254-119151-533445726-188-626
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value0.40250.40250000000000010.40.40.40.400000000000000130.380.380.380.37999999999999990.37750.37750.37750.377499999999999950.3750.3750.3750.3750.37250.37250.37250.372499999999999830.370.370.370.36999999999999990.36750.36750.36750.367499999999999940.3650.3650.3650.36250.36250.36250.360.360.36
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value1522193719-5151829-182-34-6215-29-10134845-111117-19-2142
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value175170155163158156157157158161156158154152156157165161145132127130139133131127127
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value122122122122123123120121121121121121121120120119119118118117117117117116116115114
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-02
Value122122122122123123120121121121121121121120120119119118118117117117117116116115
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value122122122122123123120121121
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-31
Value-70000-1-830-8
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

nue:Duferdofin



Period End2020-04-04
Value250
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-31
Value17-11-409-89012-2103
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

nue:SteelProducts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-31
Value17-11-409-89012-2103
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillOtherIncreaseDecrease



Period End2020-04-04
Value-671000.0
Percentage of GoodwillOtherIncreaseDecrease100.0

us-gaap:StatementBusinessSegments

nue:SteelProducts



Period End2020-04-04
Value-671000.0
Percentage of GoodwillOtherIncreaseDecrease100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value00-1126131091171388146940003234621-1-4-20-6-111-4-5-7-18
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-28-7368-237-116-138210157-1368041320197-355-237-1967-83167-440-133-20228216232
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value124-163-85-90-21-12912258343-7710290-110104-326-343-23997-100133-1990-85-13974259179
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value55-2-55-227105-4-4012286-76-16157-2523-5039-20656766-711-397737617
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value-216-2963104-32531172173-1711376-10230-49-40-1222-59-54838-74-730-1191735
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRevenueExpenseNet



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-02
Value-40-28-31-33-28-31-37-29-37-42-43-44-43-40-43-40-44-41-45-42-44-38-45-44-40-37-37-39-32-39-40-41-41-40-43-42-37
Percentage of InterestRevenueExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-02
Value68988975334222322110001111111-202334231
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value395316506915245561124915241224136223481339-290
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value395316506915245561124915241224136223481339-290
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-31
Value-6413-1415-6-3222-436-3174232-28-8853-50-6224-116-48-8131-43-1931-15-50061-5554
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-31
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0800000.00.00.0-400000.0-900000.0500000.0-200000.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value-669-1710-5-2821-475-3674230-30-91152-51-6623-118-59-8132-45-1331-15
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-04-052013-09-282012-12-312012-09-292012-06-30
Value0-1-1-401-1-30-300-131610-20-2-60-10101010
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-01
Value-6410-1611-6-2921-465-3675240-29-71455-49-6527-118-60-8131-44-1331-15-50571-4462-82
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value-6410-1611-6-2921-465
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value-6410-1611-6-2921-465
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-09-28
Value-20-10000000000-1-2-3-3-2-1-1000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncomeStatementLocation

us-gaap:CostOfSales



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-05
Value-20-10000000000-1-2-3-3-2-1-100000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value0000000000000111111000000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0

us-gaap:IncomeStatementLocation

us-gaap:CostOfSales



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-05
Value0000000000000111111000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-09-282012-12-312012-09-292012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value-2-2-3-502-1-30-300-1103-1-2-30-2-700-1000-2-4-1-1-60-22
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-31
Value00-1-1000-10-100-1001-1-1-20-1-400-10000-200-1
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value0012122211011000000000000000
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-29
Value0012122211011000000000000000
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302016-12-312016-04-022015-12-312015-04-042014-12-312013-12-31
Value0000-20-2300-80000-1-100
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-31
Value122122122123123120121121121121121121120120119119118118117117117117116116116116
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value395316506915245561124915241224136223481339290
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-31
Value090141021540011
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value31816110938175540014156392037202122201148382480
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProceedsFromContributionsFromAffiliates

nue:Numit



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-04
Value2901260022510301013610120
Percentage of ProceedsFromContributionsFromAffiliates100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-31
Value-2-2-2-2-1-2-1-2-1-100-80000000000000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-03-312011-04-022010-04-03
Value10814512310115568354217441972821733
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-05
Value-20-100100000000-2-3-3-2-1-300000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

nue:RestrictedStockAndRestrictedStockUnits



Period End2020-04-042019-12-312019-09-282019-06-292019-03-30
Value344000.03000.09000.07000.0280000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-05
Value000100000000000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod3.21000.0511.115585.714.30.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

nue:RestrictedStockAndRestrictedStockUnits



Period End2020-04-042019-12-312019-09-282019-06-292019-03-30
Value40.560.039999999999999150.07999999999999830.0500000000000042658.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-04-012016-12-312016-04-022015-12-312015-04-042014-12-312014-04-05
Value53.190.03999999999999915-0.0799999999999983-1.99000000000000254.46-0.250.029999999999994035.21000000000000153.99-0.039999999999999150.048.640.01000000000000511647.970.02000000000000312644.930.042.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue131.1100.0-100.0-3980.092.90.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value-148000.0-175000.0-58000.0-556000.0-306000.0-8000.0-34000.0-479000.0-240000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value163112918891915
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value11-291087868
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation68.3-92.882.636.245.396.589.931.857.8

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value163112918891915
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value561181000136
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation31.7192.817.463.854.73.510.168.242.1

us-gaap:StockOptionPlanExpense



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-10-012011-07-022011-06-302011-04-022010-10-022010-07-032010-04-03
Value0003000300070007000700070008000801770000
Percentage of StockOptionPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value010218220
Percentage of TreasuryStockSharesAcquired100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312016-04-02
Value3910101247250218114129005
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312016-04-02
Value3910101247250218114129005
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-31
Value3910101247250218114129
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-04-042019-09-282019-06-292019-03-302018-09-292018-06-302018-03-312017-09-302017-07-012017-04-012016-10-012016-07-022016-04-022015-10-032015-07-042015-04-042014-10-042014-07-052014-04-052013-09-282013-06-292013-03-302012-09-292012-06-302012-03-312011-10-012011-07-022011-04-022010-10-022010-07-032010-04-03
Value0000001000000000000000000000000
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:AccruedVacationAndHolidayPay



Period End2020-04-042019-12-31
Value111106
Percentage of AccruedVacationAndHolidayPay100.0100.0

nue:BookOverdrafts



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value1171161611811618916116371139125123786154814862611924107118166748110380375310610170538283576373
Percentage of BookOverdrafts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:ChangeInAccruedPlantAndEquipmentPurchases



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302017-12-312017-04-012016-12-312016-04-022015-12-312015-04-04
Value-17-34-62-39-12-14-40-1-5811-127-45-7
Percentage of ChangeInAccruedPlantAndEquipmentPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DebtInstrument

nue:EquityMethodInvestmentsApplicableCreditFacilitiesAmountOutstanding

nue:NucorJFE, nue:GeneralFinancingAgreementAndPromissoryNote



Period End2020-04-042019-12-312019-09-28
Value20030
Percentage of EquityMethodInvestmentsApplicableCreditFacilitiesAmountOutstanding100.00.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:InvestmentType

nue:Duferdofin, nue:Facility



Period End2020-04-042019-12-312019-09-282018-12-31
Value147147154155
Percentage of EquityMethodInvestmentsApplicableCreditFacilitiesAmountOutstanding735.00.0513.30.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

nue:ExpenseAssociatedWithReservingRelatedPartyNotesReceivable

nue:Duferdofin



Period End2020-04-04
Value35
Percentage of ExpenseAssociatedWithReservingRelatedPartyNotesReceivable100.0

nue:FinishedAndSemiFinishedProductsInInventoryPercentage



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value0.580.580.570.60.60.570.60.580.590.580.570.610.610.630.60.620.650.620.580.630.640.60.60.630.640.60.60.640.640.630.640.630.580.60.580.570.590.590.52
Percentage of FinishedAndSemiFinishedProductsInInventoryPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:RawMaterialAndSuppliesInInventoryPercentage



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value0.420.420.430.40.40.430.40.420.410.420.430.390.390.370.40.380.350.380.420.370.360.40.40.370.360.40.40.360.360.370.360.370.420.40.420.430.410.410.48
Percentage of RawMaterialAndSuppliesInInventoryPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nue:ShortAndLongTermDebtFairValue



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value455048104830474046204450448045304130419047504750470047004760472046004470467046504850497047804610
Percentage of ShortAndLongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesGross



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value161617171718171616171817202121202021212226271920212223242426292930313333343537
Percentage of AccrualForEnvironmentalLossContingenciesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value5444573243656999991010101144667889101415141212121315
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value111212121211141412131212141211111111111115151416151616161617191515172021212121
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value659659659624694610627625602573593549529505552526517478555548509527578562554527529489471423482466490452480464409387357
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052014-03-252013-12-312013-09-282013-06-292012-12-312012-09-292012-06-302012-03-312011-12-312010-12-312009-12-31
Value-14-14-12-11-6-6-8-6-3-20000-2-3-10-11-11-9-10-8-1-1-1-10000-10-21-31-40-68-74
Percentage of AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052014-03-252013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312010-12-312009-12-31
Value-7-7-8-8-8-7-5-5-5-5-7-7-7-7-12-12-12-12-11-11-11-11-16-16-16-1616-10-1010-10-14-1414-14-13-13
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052014-03-252013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312010-12-312009-12-31
Value-361-296-309-295-311-304-272-294-251-257-225-300-324-326-298-289-297-351-301-238-265-148-100-19-50-50-711-19-44647-1341-122719
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

nue:Duferdofin



Period End2020-04-042019-12-31
Value-191-182
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax53.061.3

us-gaap:StatementBusinessSegments

nue:CanadianOperations



Period End2020-04-042019-12-31
Value-169-114
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax47.038.7

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value211921072108209820832073206520512041202120132004198619741954194319251918191319071890188318761867184918431841183518171811180417941773175617481735172317111675
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292017-12-31
Value1066152916941202126310841578644
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292017-12-31
Value4210420
Percentage of AssetsFairValueDisclosure0.40.10.10.10.40.10.1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value12451534168614311550139819321486760949157520451939
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022015-12-31
Value92012291445115212131084157811782545941143109211931609143715541668
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value9201229144511521213108415781178254594114310921193160914371554203716681616115779686111401269
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-04-042019-12-312018-12-312018-09-292018-06-302018-03-312017-12-31
Value1211089185949772
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-31
Value8087987718137826797487337106898618348298397867307297181014104210641082960978984955854874869856866846839837839806
Percentage of DeferredTaxAndOtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302017-12-312017-04-012016-12-312016-10-012016-07-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-04
Value421042600200000021
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-04-042019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-04
Value421042630000200000021
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302017-12-312017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value18191615981098104616181814161210
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042013-12-31
Value18191615981096822104616181814161210
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:DueFromRelatedPartiesNoncurrent

nue:Duferdofin



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032014-12-31
Value3535353535403540433535403536353835383535
Percentage of DueFromRelatedPartiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value286510539476371709679507338516499422325428389319237289329270225352341276218282288240202279286255211333344294222207154
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-05
Value011111121222111211110000
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-05
Value50607081394653622934404626313642263136412429333924
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized5611.15041.74680.04522.23046.22918.82836.82822.71622.21586.41616.01596.62007.71943.82011.12019.02390.92407.72585.72766.76050.05860.06780.06533.30.0

us-gaap:AwardType, us-gaap:PlanName

nue:RestrictedStockAndRestrictedStockUnits, nue:AipAndLtip



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-10-042014-07-05
Value21223122211110011011111
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized277.8133.3140.0144.4230.8100.0105.3109.1150.050.052.055.2146.243.850.047.6118.261.571.473.3325.0200.0183.3

us-gaap:EquityMethodInvestments



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value533793826821806869858808798750695679660663659743737746868849851872923937944936913886855855746729786775787841826797582
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

nue:Duferdofin



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032014-12-31
Value2263256262260269272275292285280274258256277271275258386412
Percentage of EquityMethodInvestments0.433.231.031.932.330.931.734.036.638.140.440.439.238.742.136.537.434.644.547.3

nue:NucorJFE



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-31
Value1601631501431341351281028871
Percentage of EquityMethodInvestments30.020.618.217.516.715.615.012.711.19.5

nue:Numit



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312014-12-31
Value323319323320316337330317305321311302304325312297288314301
Percentage of EquityMethodInvestments60.540.339.239.039.238.838.639.338.342.844.944.546.249.047.440.139.142.134.6

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value918896898876855833811789767744722699675653635629611593574556537519500483465446428410391379359339322306290273255240169
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value785767767748731713695677659641622603584566551547533517501485470454438423407391375358342325309291277262248234219203142
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization85.685.685.485.585.585.685.785.885.986.186.286.486.586.786.687.187.287.287.387.487.487.587.687.687.687.687.587.587.585.985.986.085.985.885.885.785.684.984.1

us-gaap:OtherIntangibleAssets



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-31
Value383635343332302928262523212020181817171716161615151514141420191818171717
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization4.24.14.04.03.93.93.83.73.73.63.53.43.23.13.23.03.03.03.13.13.13.23.23.33.33.43.53.63.75.55.65.55.65.85.97.1

us-gaap:TrademarksAndTradeNames



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052013-12-31
Value94929592908785827977747169666462605755535048464440
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization10.310.310.610.610.610.510.510.410.410.410.310.310.210.210.29.99.89.79.69.59.49.39.29.29.0

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value163616381662166216621662165916571659165916621646164515201393136913681364136713751372138113201325131613201324132213251338134013291114109010921099110010961072
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value14101412142114211420141814191418142014201422140914081295117711901188118511881194119211991146115111421147115111491152115611581149964941942949950944922
Percentage of FiniteLivedIntangibleAssetsGross86.286.285.585.585.585.385.685.685.685.685.685.685.685.284.586.986.986.986.986.986.986.986.986.986.886.986.986.986.986.486.486.486.586.386.386.386.386.286.0

us-gaap:OtherIntangibleAssets



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012010-12-31
Value636363636367626262626262626259232323232322222222222121212128282725252527
Percentage of FiniteLivedIntangibleAssetsGross3.93.93.83.83.84.13.83.83.83.83.83.83.84.14.31.71.71.71.71.71.71.71.71.71.71.71.71.71.62.12.12.12.32.42.42.5

us-gaap:TrademarksAndTradeNames



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052013-12-31
Value161162177177177176176176176176176174174161156156156155156157157158150151151
Percentage of FiniteLivedIntangibleAssetsGross9.99.910.710.710.710.610.610.610.610.610.610.610.610.611.211.411.411.411.411.511.511.511.411.411.5

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-04-042019-12-312019-09-282018-12-31
Value4243429142874233
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent



Period End2020-04-042019-12-31
Value2929
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

nue:RestrictedStockAndRestrictedStockUnits



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312017-12-312016-12-31
Value151000.0147000.0150000.0159000.0166000.0130000.091000.067000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312012-12-312011-12-31
Value1111111111111111111101111110
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1163.61208.21206.71174.8720.5958.50.00.00.01176.90.00.00.01552.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

nue:RestrictedStockAndRestrictedStockUnits



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312017-12-312016-12-31
Value50.0760.8160.8460.8760.8762.9754.545.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312012-12-312011-12-31
Value52.5952.652.6252.5859.2159.0958.9358.9752.652.6252.6152.6248.4748.4748.4848.4247.9347.9347.9347.9146.045.9845.9846.1942.5242.5140.846.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue105.086.586.586.497.393.80.00.00.096.60.00.00.0105.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShortTermBorrowings



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022010-12-312009-12-31
Value53624760715752597452503948172919365154422620741422729383142293078171416131
Percentage of ShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022011-01-012010-12-312010-10-022010-07-032010-04-032009-12-312008-12-312007-12-31
Value1059610791108611069810502102011017497359322908488458711846882548090792077787786804779757905807580157946786079107863777178027885786377827795770676797675745373307330743074557509758482565400
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:AccumulatedOtherComprehensiveIncome



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-367-302-313-297-308-304-274-296-249-254-317-351-145956-38-27-41-190163
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.5-2.8-2.9-2.8-2.9-3.0-2.7-3.0-2.7-2.8-3.9-4.5-1.80.10.7-0.5-0.4-0.5-2.33.0

us-gaap:AdditionalPaidInCapital



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value2119210721082098208320732065205120412021197419181883184318111756171116751629256
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest20.019.519.419.619.820.320.321.121.922.223.924.623.323.323.022.823.322.119.74.7

us-gaap:CommonStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value152152152152152152152152152151151151151151150150150149149149
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.41.41.41.41.41.51.51.61.61.71.81.91.91.91.92.02.02.01.82.8

us-gaap:NoncontrollingInterest



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022011-01-012010-12-312010-10-022010-07-032010-04-032009-12-312008-12-312007-12-31
Value427433411397388409382362346345340334334374363346351369338314294302280265258264258233235243230224210231216210202210210203208203193327287
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.04.03.83.73.74.03.83.73.73.83.83.83.94.54.54.44.54.74.23.93.73.73.53.33.33.33.33.03.03.12.92.92.73.02.82.72.72.92.92.72.82.72.64.05.3

us-gaap:Parent



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022016-04-022015-12-312015-10-032015-07-042015-04-042014-12-312014-10-042014-07-052014-04-052013-12-312013-09-282013-06-292013-03-302012-12-312012-09-292012-06-302012-03-312011-12-312011-10-012011-07-022011-04-022011-01-012010-12-312009-12-312008-12-312007-12-31
Value10168103571044910300101149792979293738976873985058377813478797727757374267416770976607611777277357680760276457605753775677641763375587585747474627464725171207120739079295112
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest96.096.096.296.396.396.096.296.396.396.296.296.296.195.595.595.695.595.395.896.196.396.396.596.796.796.796.797.097.096.997.197.197.397.097.297.397.397.197.197.496.094.7

us-gaap:RetainedEarnings



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value11012111151113010977107141033798149257869684637630725573787140712471116795712078606621
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest103.9103.0102.5102.6102.0101.396.595.193.393.292.493.291.490.390.492.392.793.995.2122.6

us-gaap:TreasuryStock



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-2748-2713-2628-2630-2526-2467-1964-1791-1663-1643-1559-1558-1494-1498-1501-1505-1509-1514-1520-2077
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-25.9-25.1-24.2-24.6-24.1-24.2-19.3-18.4-17.8-18.1-18.9-20.0-18.5-18.9-19.0-19.5-20.6-20.0-18.4-38.5

us-gaap:TreasuryStockCommonValue



Period End2020-04-042019-12-312019-09-282019-06-292019-03-302018-12-312018-09-292018-06-302018-03-312017-12-312017-09-302017-07-012017-04-012016-12-312016-10-012016-07-022015-12-31
Value27482713262826302526246719641791166316431643155315541559155915601558
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:SharesIssued us-gaap:StatementEquityComponents


us-gaap:Revenues us-gaap:ProductOrService


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


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


us-gaap:Revenues us-gaap:StatementBusinessSegments


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


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:Goodwill us-gaap:ProductOrService


us-gaap:ProfitLoss us-gaap:StatementEquityComponents