HII


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:Revenues
hii:Contracttype
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, hii:Contracttype
us-gaap:StatementBusinessSegments, hii:MajorPrograms
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:GeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease
us-gaap:ChangeInAccountingEstimateByType
hii:ChangeInAccountingEstimateEffectOfChangeOnOperatingResults
us-gaap:ChangeInAccountingEstimateByType
hii:ChangeInAccountingEstimateEffectOfChangeOnOperatingResultsPerShareDiluted

hii:Deferredgainonreceiptofproperty
us-gaap:AwardType
hii:EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromIssuanceOfInstrumentsOtherThanOptions
us-gaap:StatementBusinessSegments
hii:FasCasAdjustment

hii:Grantproceedsforcapitalexpenditures

hii:NonoperatingretirementFASexpense

hii:PercentageofworkforcesubjecttoCollectiveBargainingArrangements
us-gaap:CollectiveBargainingArrangement, us-gaap:StatementBusinessSegments

hii:Repaymentoflineofcreditborrowings
us-gaap:StatementBusinessSegments
hii:SalesRevenueIntersegmentNet

hii:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsTransferredFromEmployeesforMinimumTaxObligations

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfIntangibleAssets
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:BusinessAcquisition
us-gaap:CashAcquiredFromAcquisition

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:Range, us-gaap:CreditFacility, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:StatementBusinessSegments
us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation

us-gaap:Dividends
us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInInventoryForLongTermContractsOrPrograms

us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:MarketableSecuritiesGainLoss

us-gaap:NumberOfReportableSegments

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherPostretirementBenefitsPayments

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition

us-gaap:PensionAndOtherPostretirementBenefitContributions
hii:DefinedBenefitPlansAndOtherPostretirementBenefitPlansTypeOfCashContribution, hii:DefinedBenefitPlansAndOtherPostretirementBenefitPlansTypeOfPlan
us-gaap:PensionContributions

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted

us-gaap:ShortTermLeaseCost

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost

dei:EntityCommonStockSharesOutstanding

dei:EntityNumberOfEmployees

hii:DisposalGroupIncludingDiscontinuedOperationLeaseLiability

hii:InventoryWorkInProcessAndGeneralAndAdministrativeCostsIncludedInInventoryNetOfReserves

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetsHeldInTrust

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:StatementBusinessSegments

us-gaap:CommercialPaper
us-gaap:Range

us-gaap:CommonStockValueOutstanding

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DeferredTaxAssetsLiabilitiesNetNoncurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets
us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities
us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets
us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities
us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesReceivable

us-gaap:InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:StatementBusinessSegments
us-gaap:CreditFacility, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility, us-gaap:SubsequentEventType

us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:CreditFacility
us-gaap:LongtermDebtType

us-gaap:WorkersCompensationLiabilityCurrent

us-gaap:WorkersCompensationLiabilityNoncurrent

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
us-gaap:CommonStockSharesIssued ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁53535353535353535353535252525252525252525251515151505050504949494944595748NANANANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁40404141414143434445454546464646474647484848484849484949504949494944595748NANA48NANA
us-gaap:CommonStockSharesAuthorized ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150000000150NANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 40NA414141NA434444NA454546NA474747NA484848NA494949NA505050NA505049NA4849484848
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 40NA414141NA434444NA454546NA464747NA484848NA484849NA495049NA494949NA4848484848
us-gaap:EarningsPerShareBasic ▇▇▇▆▆███▇▅▇▇▆▇▆▆▆▅▆▇▆▅▆▆▆▆▅▅▅▅▅▅▅▅▁▅▅▅▄4.233.623.743.072.854.965.295.413.481.413.283.222.574.262.282.832.891.072.313.221.81.071.972.051.831.861.381.140.881.010.261.010.671.37-5.070.810.920.86-0.23
us-gaap:EarningsPerShareDiluted ▇▇▇▆▆███▇▅▇▇▆▇▆▆▆▅▆▇▆▅▆▆▆▆▅▅▅▅▅▅▅▅▁▅▅▅▄4.233.613.743.072.854.945.295.43.481.413.273.212.564.22.272.82.871.062.293.21.791.051.962.041.811.821.361.120.870.980.261.00.671.35-5.070.80.920.86-0.23
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
us-gaap:Revenues ▇█▆▆▅▆▅▅▄▅▃▃▂▄▂▂▃▄▃▃▁▄▂▂▁▄▂▂▁▃▁▂▁▂▁▁▂▂▁226324122219218820802199208320201874199618631858172419221683170017631905180017451570192717171719159419381637168315621823159617211568173515931563168416651610
 us-gaap:Revenues hii:Contracttype hii:Costtype▅▁▄▆█▆▃▃▁9228349139501011969885874830NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues hii:Contracttype hii:Fixedpriceincentive▅█▄▃▁▄▃▃▁1161134110971051931109110411008904NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers hii:U.S.FederalGovernment▆█▅▅▄▅▄▃▁219523372141211720142116202419501818NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments hii:U.S.FederalGovernment,hii:Ingalls▄█▅▃▁█▇▄▁628701646621584699692629585NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments hii:U.S.FederalGovernment,hii:NewportNewsShipbuilding▇█▅▅▅▅▃▃▁133913861262126512651275117711801082NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments hii:U.S.FederalGovernment,hii:TechnicalSolutions▇█▇▇▃▁▂▁▂228250233231165142155141151NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService us-gaap:Product▆█▅▄▃▆▅▄▁▃▁16241710154515201490160715471499137014851391NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService us-gaap:Service▆█▇▇▅▅▃▂▂▂▁639702674668590592536521504511472NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,hii:Ingalls▄█▄▂▁██▄▁578641584556538643636577534NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,hii:NewportNewsShipbuilding██▅▅▄▅▃▃▁10461063952951939943891903822NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Service,hii:NewportNewsShipbuilding▄▇▆▆▇█▃▃▁293324310314326333286277260NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Service,hii:TechnicalSolutions▇█▇▆▂▂▁▁▁296318302289218203194192193NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments hii:Ingalls▆█▆▆▄██▆▄▆▅▆▃▆▄▄▅▄▅▃▁▅▄▄▃629702647622584699694629585638593639550641577585586580593546469608559572547NA639672631NA670756692NA740708NANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments hii:NewportNewsShipbuilding▇█▇▇▇▇▆▆▄▅▄▄▃▁▄▅▅▇▆▅▄▇▅▅▄13411390126412671265127811791183108211391053100197177410721090115312961177116610611263109711291047NA10181031950NA944979895NA876872NANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments hii:TechnicalSolutions▆█▇▇▅▅▄▄▄▄▄▄▄▂▁▁▃317369347336257267245243233242241244225186154143208NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:Contracttype hii:Ingalls,hii:Fixedpriceincentive▄▇▄▂▁█▇▄523573519490478584569528NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:Contracttype hii:NewportNewsShipbuilding,hii:Costtype▄▁▃▄█▆▄▄699617682704823767703699NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:Contracttype hii:NewportNewsShipbuilding,hii:Fixedpriceincentive▅█▄▃▁▂▁▂638768578560453507472480NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:MajorPrograms hii:Ingalls,hii:Amphibiousassaultships▅▇▆▃▁█▆▄347365349325297377356327NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:MajorPrograms hii:Ingalls,hii:Surfacecombatantsandcoastguardcutters▁█▃▃▂▆█▄279334294295286319336302NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:MajorPrograms hii:NewportNewsShipbuilding,hii:Aircraftcarriers▅▆▅█▆▆▁▁698712707746713717647654NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:MajorPrograms hii:NewportNewsShipbuilding,hii:Submarines▇█▃▁▁▁▁▂455474390363368362369386NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments,hii:MajorPrograms hii:TechnicalSolutions,hii:Governmentandenergyservices▅█▇▇▁▂▁▂253296284280191210194201NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Product▆█▅▅▅▅▃▃▁▂▁12901404124612501258125811591147106311251064NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Service▇█▇█▅▄▃▂▃▂▁550576556584494471434421432424384NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅▆▅▄▃█▅▅▄▃▁▁▁▄▂▂▁▅▂▃▂▆▄▃▂214224209184171262208209192173135133129188147151137196150173150217189170150NA186185170NA164176150NA153169149158161
us-gaap:OperatingIncomeLoss ▇▆▇▆▆▇██▇▇▇▇▆█▆▇▇▆▇█▆▆▆▆▆▆▆▅▅▅▅▅▅▆▁▅▅▅▃215186214175161213290257191227237237164268175217198144200269156144171181159174127116951066610680121-190918577-20
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments hii:Ingalls▂▂▂▂▁▃▃▃▂▂▂▃▂▃▂▃▃▂▃█▁▂▂▂▁685961694684828364757498668566888259771984572555943NA493526NA13820NA-28119NANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments hii:NewportNewsShipbuilding▅█▆▃▃▂▇▄▁▆▅▃▃▇▃▅▄▇▅▆▅▇▅▆▅95133109707857119915110696807211679102891201001099311610110494NA9310194NA888981NA9479NANANA
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us-gaap:PaymentsForRepurchaseOfCommonStock ▃▃▃▂▃█▄█▆▂▂▅▃▂▃▂▂▂▄▃▂▂▁▄▁8460665284230104242166394013968426642444010261292689410NANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType hii:SeniorNotesDue20253844,us-gaap:SeniorNotes,us-gaap:SubsequentEvent0.03844NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType hii:SeniorNotesDue20304200,us-gaap:SeniorNotes,us-gaap:SubsequentEvent0.042NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-03-302010-12-31
Value53535353535353535353535252525252525252525251515151505050504949494944595748480
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-03-312010-12-31
Value40404141414143434445454546464646474647484848484849484949504949494944595748480
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150000000150150
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value404141414344444545464747474848484949495050505050494849484848
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value404141414344444545464647474848484848494950494949494848484848
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value4.233.623.743.072.854.965.295.413.481.413.283.222.574.262.282.832.891.072.313.221.81.071.972.051.831.861.381.140.881.010.261.010.671.37-5.070.810.920.86-0.23
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value4.233.613.743.072.854.945.295.43.481.413.273.212.564.22.272.82.871.062.293.21.791.051.962.041.811.821.361.120.870.980.261.00.671.35-5.070.80.920.86-0.23
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value226324122219218820802199208320201874199618631858172419221683170017631905180017451570192717171719159419381637168315621823159617211568173515931563168416651610
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Contracttype

hii:Costtype



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9228349139501011969885874830
Percentage of Revenues40.734.641.143.448.644.142.543.344.3
Percentage of Revenues40.734.641.143.448.644.142.543.344.3
Percentage of Revenues hii:Costtype100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Fixedpriceincentive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1161134110971051931109110411008904
Percentage of Revenues51.355.649.448.044.849.650.049.948.2
Percentage of Revenues51.355.649.448.044.849.650.049.948.2
Percentage of Revenues hii:Fixedpriceincentive100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7611789815543666067
Percentage of Revenues3.44.94.03.72.62.03.23.03.6
Percentage of Revenues3.44.94.03.72.62.03.23.03.6
Percentage of Revenues us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1041201201068396917873
Percentage of Revenues4.65.05.44.84.04.44.43.93.9
Percentage of Revenues4.65.05.44.84.04.44.43.93.9
Percentage of Revenues us-gaap:TimeAndMaterialsContract100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers

hii:Commercial



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value687378716682596956
Percentage of Revenues3.03.03.53.23.23.72.83.43.0
Percentage of Revenues3.03.03.53.23.23.72.83.43.0
Percentage of Revenues hii:Commercial100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:U.S.FederalGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value219523372141211720142116202419501818
Percentage of Revenues97.096.996.596.896.896.297.296.597.0
Percentage of Revenues97.096.996.596.896.896.297.296.597.0
Percentage of Revenues hii:U.S.FederalGovernment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

hii:Commercial, hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value687278716681596956
Percentage of Revenues3.03.03.53.23.23.72.83.43.0
Percentage of Revenues3.03.03.53.23.23.72.83.43.0
Percentage of Revenues hii:Commercial hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Intersegment, hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value111102
Percentage of Revenues0.00.00.00.00.00.1
Percentage of Revenues0.00.00.00.00.00.1
Percentage of Revenues hii:Intersegment hii:Ingalls100.0100.0100.0100.00.0100.0

hii:Intersegment, hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value2322223
Percentage of Revenues0.10.10.10.10.10.10.1
Percentage of Revenues0.10.10.10.10.10.10.1
Percentage of Revenues hii:Intersegment hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0

hii:Intersegment, hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value214536342643313226
Percentage of Revenues0.91.91.61.61.22.01.51.61.4
Percentage of Revenues0.91.91.61.61.22.01.51.61.4
Percentage of Revenues hii:Intersegment hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Intersegment, us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-24-49-39-37-26-45-35-35-26
Percentage of Revenues-1.1-2.0-1.8-1.7-1.2-2.0-1.7-1.7-1.4
Percentage of Revenues-1.1-2.0-1.8-1.7-1.2-2.0-1.7-1.7-1.4
Percentage of Revenues hii:Intersegment us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:U.S.FederalGovernment, hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value628701646621584699692629585
Percentage of Revenues27.829.129.128.428.131.833.231.131.2
Percentage of Revenues27.829.129.128.428.131.833.231.131.2
Percentage of Revenues hii:U.S.FederalGovernment hii:Ingalls100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:U.S.FederalGovernment, hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value133913861262126512651275117711801082
Percentage of Revenues59.257.556.957.860.858.056.558.457.7
Percentage of Revenues59.257.556.957.860.858.056.558.457.7
Percentage of Revenues hii:U.S.FederalGovernment hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:U.S.FederalGovernment, hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value228250233231165142155141151
Percentage of Revenues10.110.410.510.67.96.57.47.08.1
Percentage of Revenues10.110.410.510.67.96.57.47.08.1
Percentage of Revenues hii:U.S.FederalGovernment hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:Product



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16241710154515201490160715471499137014851391
Percentage of Revenues71.870.969.669.571.673.174.374.273.174.474.7
Percentage of Revenues71.870.969.669.571.673.174.374.273.174.474.7
Percentage of Revenues us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value639702674668590592536521504511472
Percentage of Revenues28.229.130.430.528.426.925.725.826.925.625.3
Percentage of Revenues28.229.130.430.528.426.925.725.826.925.625.3
Percentage of Revenues us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:Product, hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value578641584556538643636577534
Percentage of Revenues25.526.626.325.425.929.230.528.628.5
Percentage of Revenues25.526.626.325.425.929.230.528.628.5
Percentage of Revenues us-gaap:Product hii:Ingalls100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10461063952951939943891903822
Percentage of Revenues46.244.142.943.545.142.942.844.743.9
Percentage of Revenues46.244.142.943.545.142.942.844.743.9
Percentage of Revenues us-gaap:Product hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value506062654656565251
Percentage of Revenues2.22.52.83.02.22.52.72.62.7
Percentage of Revenues2.22.52.83.02.22.52.72.62.7
Percentage of Revenues us-gaap:Service hii:Ingalls100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value293324310314326333286277260
Percentage of Revenues12.913.414.014.415.715.113.713.713.9
Percentage of Revenues12.913.414.014.415.715.113.713.713.9
Percentage of Revenues us-gaap:Service hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value296318302289218203194192193
Percentage of Revenues13.113.213.613.210.59.29.39.510.3
Percentage of Revenues13.113.213.613.210.59.29.39.510.3
Percentage of Revenues us-gaap:Service hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value629702647622584699694629585638593639550641577585586580593546469608559572547639672631670756692740708
Percentage of Revenues27.829.129.228.428.131.833.331.131.232.031.834.431.933.434.334.433.230.432.931.329.931.632.633.334.339.039.940.442.043.944.146.545.3
Percentage of Revenues27.829.129.228.428.131.833.331.131.232.031.834.431.933.434.334.433.230.432.931.329.931.632.633.334.339.039.940.442.043.944.146.545.3
Percentage of Revenues hii:Ingalls100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value1341139012641267126512781179118310821139105310019717741072109011531296117711661061126310971129104710181031950944979895876872
Percentage of Revenues59.357.657.057.960.858.156.658.657.757.156.553.956.340.363.764.165.468.065.466.867.665.563.965.765.762.261.360.859.156.957.155.055.8
Percentage of Revenues59.357.657.057.960.858.156.658.657.757.156.553.956.340.363.764.165.468.065.466.867.665.563.965.765.762.261.360.859.156.957.155.055.8
Percentage of Revenues hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value317369347336257267245243233242241244225186154143208
Percentage of Revenues14.015.315.615.412.412.111.812.012.412.112.913.113.19.79.28.411.8
Percentage of Revenues14.015.315.615.412.412.111.812.012.412.112.913.113.19.79.28.411.8
Percentage of Revenues hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-24-49-39-37-26-45-35-35-26-23-24-26-22-1001-2-2400-200-2-20-20-19-18-14-19-23-17
Percentage of Revenues-1.1-2.0-1.8-1.7-1.2-2.0-1.7-1.7-1.4-1.2-1.3-1.4-1.3-5.20.1-0.1-1.40.00.0-0.10.00.0-0.1-1.2-1.2-1.2-1.1-0.8-1.2-1.4-1.1
Percentage of Revenues-1.1-2.0-1.8-1.7-1.2-2.0-1.7-1.7-1.4-1.2-1.3-1.4-1.3-5.20.1-0.1-1.40.00.0-0.10.00.0-0.1-1.2-1.2-1.2-1.1-0.8-1.2-1.4-1.1
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments, hii:Contracttype

hii:Ingalls, hii:Costtype



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9098106108891079283
Percentage of Revenues4.04.14.84.94.34.94.44.1
Percentage of Revenues4.04.14.84.94.34.94.44.1
Percentage of Revenues hii:Ingalls hii:Costtype100.0100.0100.0100.0100.0100.0100.0100.0

hii:Ingalls, hii:Fixedpriceincentive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value523573519490478584569528
Percentage of Revenues23.123.823.422.423.026.627.326.1
Percentage of Revenues23.123.823.422.423.026.627.326.1
Percentage of Revenues hii:Ingalls hii:Fixedpriceincentive100.0100.0100.0100.0100.0100.0100.0100.0

hii:Ingalls, hii:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value111102
Percentage of Revenues0.00.00.00.00.00.1
Percentage of Revenues0.00.00.00.00.00.1
Percentage of Revenues hii:Ingalls hii:Intersegment100.0100.0100.0100.00.0100.0

hii:Ingalls, us-gaap:FixedPriceContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value153021231783118
Percentage of Revenues0.71.20.91.10.80.41.50.9
Percentage of Revenues0.71.20.91.10.80.41.50.9
Percentage of Revenues hii:Ingalls us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Costtype



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value699617682704823767703699
Percentage of Revenues30.925.630.732.239.634.933.734.6
Percentage of Revenues30.925.630.732.239.634.933.734.6
Percentage of Revenues hii:NewportNewsShipbuilding hii:Costtype100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Fixedpriceincentive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value638768578560453507472480
Percentage of Revenues28.231.826.025.621.823.122.723.8
Percentage of Revenues28.231.826.025.621.823.122.723.8
Percentage of Revenues hii:NewportNewsShipbuilding hii:Fixedpriceincentive100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value2322223
Percentage of Revenues0.10.10.10.10.10.10.1
Percentage of Revenues0.10.10.10.10.10.10.1
Percentage of Revenues hii:NewportNewsShipbuilding hii:Intersegment100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, us-gaap:FixedPriceContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value22213221
Percentage of Revenues0.10.10.10.00.10.10.10.0
Percentage of Revenues0.10.10.10.00.10.10.10.0
Percentage of Revenues hii:NewportNewsShipbuilding us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, hii:Costtype



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13311912513899959092
Percentage of Revenues5.94.95.66.34.84.34.34.6
Percentage of Revenues5.94.95.66.34.84.34.34.6
Percentage of Revenues hii:TechnicalSolutions hii:Costtype100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, hii:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2145363423433132
Percentage of Revenues0.91.91.61.61.12.01.51.6
Percentage of Revenues0.91.91.61.61.12.01.51.6
Percentage of Revenues hii:TechnicalSolutions hii:Intersegment100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, us-gaap:FixedPriceContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5985665735333341
Percentage of Revenues2.63.53.02.61.71.51.62.0
Percentage of Revenues2.63.53.02.61.71.51.62.0
Percentage of Revenues hii:TechnicalSolutions us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, us-gaap:TimeAndMaterialsContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10412012010683969178
Percentage of Revenues4.65.05.44.84.04.44.43.9
Percentage of Revenues4.65.05.44.84.04.44.43.9
Percentage of Revenues hii:TechnicalSolutions us-gaap:TimeAndMaterialsContract100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, hii:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-24-49-39-37-23-45-35-35
Percentage of Revenues-1.1-2.0-1.8-1.7-1.1-2.0-1.7-1.7
Percentage of Revenues-1.1-2.0-1.8-1.7-1.1-2.0-1.7-1.7
Percentage of Revenues us-gaap:IntersegmentElimination hii:Intersegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments, hii:MajorPrograms

hii:Ingalls, hii:Amphibiousassaultships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value347365349325297377356327
Percentage of Revenues15.315.115.714.914.317.117.116.2
Percentage of Revenues15.315.115.714.914.317.117.116.2
Percentage of Revenues hii:Ingalls hii:Amphibiousassaultships100.0100.0100.0100.0100.0100.0100.0100.0

hii:Ingalls, hii:Otherprograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3342132
Percentage of Revenues0.10.10.20.10.00.10.1
Percentage of Revenues0.10.10.20.10.00.10.1
Percentage of Revenues hii:Ingalls hii:Otherprograms100.0100.0100.0100.0100.0100.0100.0

hii:Ingalls, hii:Surfacecombatantsandcoastguardcutters



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value279334294295286319336302
Percentage of Revenues12.313.813.213.513.814.516.115.0
Percentage of Revenues12.313.813.213.513.814.516.115.0
Percentage of Revenues hii:Ingalls hii:Surfacecombatantsandcoastguardcutters100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Aircraftcarriers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value698712707746713717647654
Percentage of Revenues30.829.531.934.134.332.631.132.4
Percentage of Revenues30.829.531.934.134.332.631.132.4
Percentage of Revenues hii:NewportNewsShipbuilding hii:Aircraftcarriers100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Otherprograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value188204167158198199163143
Percentage of Revenues8.38.57.57.29.59.07.87.1
Percentage of Revenues8.38.57.57.29.59.07.87.1
Percentage of Revenues hii:NewportNewsShipbuilding hii:Otherprograms100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding, hii:Submarines



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value455474390363368362369386
Percentage of Revenues20.119.717.616.617.716.517.719.1
Percentage of Revenues20.119.717.616.617.716.517.719.1
Percentage of Revenues hii:NewportNewsShipbuilding hii:Submarines100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, hii:Governmentandenergyservices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value253296284280191210194201
Percentage of Revenues11.212.312.812.89.29.59.310.0
Percentage of Revenues11.212.312.812.89.29.59.310.0
Percentage of Revenues hii:TechnicalSolutions hii:Governmentandenergyservices100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions, hii:Oilandgasservices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6473635649575142
Percentage of Revenues2.83.02.82.62.42.62.42.1
Percentage of Revenues2.83.02.82.62.42.62.42.1
Percentage of Revenues hii:TechnicalSolutions hii:Oilandgasservices100.0100.0100.0100.0100.0100.0100.0100.0

Sales Revenue Net

Sales Revenue Goods Net

Cost Of Goods And Services Sold

us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:Product



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12901404124612501258125811591147106311251064
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues57.058.256.257.160.557.255.656.856.756.457.1
Percentage of Revenues us-gaap:Product79.482.180.682.284.478.374.976.577.675.876.5

us-gaap:Service



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value550576556584494471434421432424384
Percentage of CostOfGoodsAndServicesSold42.641.044.646.739.337.437.436.740.637.736.1
Percentage of Revenues24.323.925.126.723.821.420.820.823.121.220.6
Percentage of Revenues us-gaap:Service86.182.182.587.483.779.681.080.885.783.081.4

Cost Of Goods Sold

Cost Of Services

Research And Development Expense

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value214224209184171262208209192173135133129188147151137196150173150217189170150186185170164176150153169149158161
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues9.59.39.48.48.211.910.010.310.28.77.27.27.59.88.78.97.810.38.39.99.611.311.09.99.411.411.010.910.310.29.69.610.88.89.510.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value215186214175161213290257191227237237164268175217198144200269156144171181159174127116951066610680121-190918577-20
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues9.57.79.68.07.79.713.912.710.211.412.712.89.513.910.412.811.27.611.115.49.97.510.010.510.09.07.86.96.15.84.16.25.17.0-11.95.85.04.6-1.2

us-gaap:StatementBusinessSegments

hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value68596169468482836475749866856688825977198457255594349352613820-28119
Percentage of OperatingIncomeLoss31.631.728.539.428.639.428.332.333.533.031.241.440.231.737.740.641.441.038.573.628.850.032.232.627.038.630.227.41.535.825.0147.920.9
Percentage of Revenues3.02.42.73.22.23.83.94.13.43.84.05.33.84.43.95.24.73.14.311.32.93.73.23.42.73.02.11.70.12.21.3-17.61.2
Percentage of Revenues hii:Ingalls10.88.49.411.17.912.011.813.210.911.812.515.312.013.311.415.014.010.213.036.39.611.89.810.37.97.75.24.10.15.02.9-38.02.7

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value9513310970785711991511069680721167910289120100109931161011049493101948889819479
Percentage of OperatingIncomeLoss44.271.550.940.048.426.841.035.426.746.740.533.843.943.345.147.044.983.350.040.559.680.659.157.559.173.287.198.9133.384.0101.2-49.586.8
Percentage of Revenues4.25.54.93.23.82.65.74.52.75.35.24.34.26.04.76.05.06.35.66.25.96.05.96.15.95.76.06.05.55.25.25.95.1
Percentage of Revenues hii:NewportNewsShipbuilding7.19.68.65.56.24.510.17.74.79.39.18.07.415.07.49.47.79.38.59.38.89.29.29.29.09.19.89.99.39.19.110.79.1

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-7-1921-15716728229-1816-23
Percentage of OperatingIncomeLoss-3.3-10.29.8-0.63.13.35.52.71.03.59.33.8-11.00.43.4-0.91.5
Percentage of Revenues-0.3-0.80.9-0.00.20.30.80.30.10.41.20.5-1.00.10.4-0.10.2
Percentage of Revenues hii:TechnicalSolutions-2.2-5.16.1-0.31.92.66.52.90.93.39.13.7-8.00.53.9-1.41.4

us-gaap:OperatingSegments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value15617319113812914821718111718919218712022514018416612417224312813415116313714213612089127101-18798
Percentage of OperatingIncomeLoss72.693.089.378.980.169.574.870.461.383.381.078.973.284.080.084.883.886.186.090.382.193.188.390.186.2111.8117.2126.3134.8119.8126.298.4107.7
Percentage of Revenues6.97.28.66.36.26.710.49.06.29.510.310.17.011.78.310.89.46.59.613.98.27.08.89.58.68.78.17.75.67.46.4-11.76.3
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value161818181614141515411817181819181964252523662729272829302929303030151010
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.70.70.80.80.80.60.70.70.82.11.00.91.00.91.11.11.13.41.41.41.53.41.61.71.71.71.71.91.81.71.91.91.90.90.60.6

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-130-15120111-2110-2
Percentage of OtherNonoperatingIncomeExpense100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Revenues-0.60.0-0.00.20.00.10.00.00.10.1-0.10.10.10.0-0.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-30
Value21617219816414921929526219518722021814725115719917780175244133791441521321439987657737775092-220617067
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues9.57.18.97.57.210.014.213.010.49.411.811.78.513.19.311.710.04.29.714.08.54.18.48.88.37.46.05.24.24.22.34.53.25.3-13.83.94.24.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value4423443631766233912371712854506641306488462748524230302124271728212525-19
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.91.02.01.61.50.33.21.12.16.23.83.81.62.83.03.92.31.63.65.02.91.42.83.02.61.81.81.31.51.61.11.81.31.51.5-1.2

us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6676655659999487855-7-10-824-3-3-381-11-11-13
Percentage of IncomeTaxExpenseBenefit13.626.115.916.719.471.47.626.112.87.312.712.732.17.416.010.619.5183.3-10.9-11.4-17.488.9-6.2-5.8-7.10.0-36.7-36.7-61.9
Percentage of Revenues0.30.20.30.30.30.20.20.30.30.50.50.50.50.20.50.40.52.9-0.4-0.6-0.51.2-0.2-0.2-0.24.2-0.7-0.7-0.8
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value187-28173146137-62442521711131191631355412014514831121169100-30499106968718546306348-2404762492
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.3-1.27.86.76.6-0.311.712.59.15.76.48.87.82.87.18.58.41.66.79.76.4-15.85.86.26.05.311.02.91.93.73.1-15.13.03.72.90.1

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value172149154128118212229239156641491471191971071331365011115687529610090916957445013503367-248404542-11
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.66.26.95.95.79.611.011.88.33.28.07.96.910.26.47.87.72.66.28.95.52.75.65.85.64.74.23.42.82.70.82.92.13.9-15.62.62.72.5-0.7

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value1721491541281182122292391566414914711919710713313650111156875296100904433-2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-4.4
Percentage of Revenues7.66.26.95.95.79.611.011.88.33.28.07.96.910.26.47.87.72.66.28.95.52.75.65.85.62.82.1-0.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7615703171847230700063836199637563766374617261906234635260085859589660246042631263196269612560806107622562796047625163925863581258246001571559375203
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value1704161817121673159514481607147414781385129013641354136213271289130213241422138514291452150215571700175317061754
Percentage of Assets22.423.023.823.122.822.725.923.123.221.720.922.021.721.422.122.022.122.023.521.922.623.224.525.627.828.226.729.2
Percentage of Assets22.423.023.823.122.822.725.923.123.221.720.922.021.721.422.122.022.122.023.521.922.623.224.525.627.828.226.729.2
Percentage of Assets hii:Ingalls100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value4038384939454029390735723571357134783350333732383230316932263235330632863346337033283155318332363269302129822843
Percentage of Assets53.054.754.955.755.856.057.656.054.552.654.152.351.849.953.755.256.154.555.453.452.750.352.053.253.548.546.747.4
Percentage of Assets53.054.754.955.755.856.057.656.054.552.654.152.351.849.953.755.256.154.555.453.452.750.352.053.253.548.546.747.4
Percentage of Assets hii:NewportNewsShipbuilding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value14721059113411201084734673671642642650656676692303416
Percentage of Assets19.315.115.815.515.511.510.910.510.110.110.510.610.810.95.06.6
Percentage of Assets19.315.115.815.515.511.510.910.510.110.110.510.610.810.95.06.6
Percentage of Assets hii:TechnicalSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Corporate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value401505393408414629348659778997895932974112913641251121313361143142113611452116610221138145117041472
Percentage of Assets5.37.25.55.65.99.95.610.312.215.614.515.115.617.822.721.420.622.218.922.521.523.219.016.818.623.326.724.5
Percentage of Assets5.37.25.55.65.99.95.610.312.215.614.515.115.617.822.721.420.622.218.922.521.523.219.016.818.623.326.724.5
Percentage of Assets us-gaap:Corporate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5972544354795602543748674374467646584616446045404596469943564247437545344552482749394904446345114546470453445174554457254825481849065129456045263785
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets78.477.476.377.577.776.270.673.373.172.472.373.373.774.072.572.574.275.375.376.578.278.272.974.274.475.685.185.688.789.682.382.984.285.579.876.272.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7615703171847230700063836199637563766374617261906234635260085859589660246042631263196269612560806107622562796047625163925863581258246001571559375203
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2137178520252123192217451859215222102195193920332063214223442197220322842419269426282546238023272544267625312269239124842226216721562268208219941313
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.125.428.229.427.527.330.033.834.734.431.432.833.133.739.037.537.437.940.042.741.640.638.938.341.743.040.337.538.238.938.037.337.037.836.433.625.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value28753229512406839852870149955360872095785279389467196090499076959274210438956236521057766669551915536381225000
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.41.10.40.40.73.81.16.28.311.08.18.99.811.315.914.513.414.811.115.214.315.812.69.712.116.814.310.310.416.513.111.59.515.29.46.40.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value41831848956437525247236434311881200120111781164104610221086107412781244121910381144121612991123105511011199905883878954711781898728
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.54.56.87.85.43.97.65.75.418.619.419.418.918.317.417.418.417.821.219.719.316.618.720.021.318.016.818.219.214.215.115.116.411.813.715.114.0

Inventory Net

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value40241471451191221001388712357754748734341313639375028462529234521213141323034408
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.32.02.01.71.91.62.21.41.90.91.20.80.81.20.70.70.50.60.60.60.80.50.80.40.50.40.70.30.30.50.70.50.50.60.70.2

Machinery And Equipment Gross

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value1939196119351896186218291796-1775-180617701730169916611627159215551519148914531416138813511525149214561404131311601010
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.527.926.926.226.628.729.0-27.8-28.327.828.027.426.625.626.526.525.824.724.022.422.021.624.924.523.822.620.519.319.4

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2848283227002626256925172332225822192215209320341986198618411813180918271750175717681792185218501856189719641990200420341988199220052033197919851997
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.440.337.636.336.739.437.635.434.834.833.932.931.931.330.630.930.730.329.027.828.028.630.230.430.430.531.332.932.131.833.934.334.433.934.633.438.4

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value16481373140214031402126312171217121712171217121812341234956956956956973973103210261086108992288188188188188184484484484483411341134
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.619.519.519.420.019.819.619.119.119.119.719.719.819.415.916.316.215.916.115.416.316.417.717.915.114.214.014.614.113.814.414.514.514.114.619.121.8

us-gaap:StatementBusinessSegments

hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value175175175175175175175175175175175175175175175175175175198198198488
Percentage of Goodwill10.612.712.512.512.513.914.414.414.414.218.318.018.017.017.116.116.119.022.522.523.543.0
Percentage of Assets2.32.52.42.42.52.72.72.82.82.82.92.92.82.82.82.92.92.93.23.13.39.4
Percentage of Assets hii:Ingalls10.310.810.210.511.012.112.613.612.812.813.212.312.612.212.111.711.210.311.311.611.30.0

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value721721721721721721721721721721752753753753748748748747683683683683
Percentage of Goodwill43.852.551.451.451.457.159.259.259.258.478.777.477.473.072.968.968.781.077.577.580.960.2
Percentage of Assets9.510.310.010.010.311.311.311.711.611.412.512.511.911.911.912.212.312.211.010.711.413.1
Percentage of Assets hii:NewportNewsShipbuilding17.918.718.317.918.520.221.521.622.322.822.922.522.322.623.723.523.122.922.622.924.00.0

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-312014-12-31
Value75247750650750636732132132233860130
Percentage of Goodwill45.634.736.136.136.129.126.426.426.427.46.312.7
Percentage of Assets9.96.87.07.07.25.75.05.25.25.31.02.1
Percentage of Assets hii:TechnicalSolutions51.145.044.645.346.750.050.049.449.148.819.831.2

Intangible Assets Net Excluding Goodwill

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value481492506518530492480490499508518528537548479484490495528534540547551557528528532537542548552557562567572587
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.37.07.07.27.67.77.77.77.88.08.48.58.68.68.08.38.38.28.78.58.58.79.09.28.68.58.58.98.78.69.49.69.69.410.011.3

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2080189019501902196018291631150914631391127512471273134312281141115512741294158913321312123412671240139214021220117713841239121712521372120711842226
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.326.927.126.328.028.726.323.722.921.820.720.120.421.120.419.519.621.121.425.221.120.920.120.820.322.422.320.218.821.721.120.921.522.921.119.942.8

Long Term Debt Current

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value536497616616618562407378344375318325333316293252252317296269307269268297263337287287247377292314293380287255274
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.07.18.68.58.88.86.65.95.45.95.25.35.35.04.94.34.35.34.94.34.94.34.44.94.35.44.64.74.05.95.05.45.06.35.04.35.3

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value353323332307362332317277294236240219279256255222274247272264290249222244255262260209191205206229238249242265
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.64.64.25.25.25.14.34.63.73.93.54.54.04.23.84.64.14.54.24.64.03.64.04.24.24.13.53.13.23.53.94.14.14.25.1

Other Liabilities Current

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value166712861549169814961283128212811280127912821281128012781277127612751273130516791700170017431765177917791808181718171830183718441859
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.918.321.623.521.420.120.720.120.120.120.820.720.520.121.321.821.621.121.626.626.927.128.529.029.128.628.830.029.128.631.331.731.0

us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility



Period End2020-03-31
Value380
Percentage of LongTermDebt22.8
Percentage of Assets5.0
Percentage of Assets us-gaap:RevolvingCreditFacility0.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

hii:SeniorNotesDue20253844, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-03-31
Value500
Percentage of LongTermDebt30.0
Percentage of Assets6.6
Percentage of Assets hii:SeniorNotesDue20253844 us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

hii:SeniorNotesDue20304200, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-03-31
Value500
Percentage of LongTermDebt30.0
Percentage of Assets6.6
Percentage of Assets hii:SeniorNotesDue20304200 us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value166712861549169814961283128212811280127912821281128012781277127612751273130513051592159216501679170017001743176517791779179418081822183018371844105
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.918.321.623.521.420.120.720.120.120.120.820.720.520.121.321.821.621.121.620.725.225.426.927.627.827.327.829.228.527.830.631.131.330.532.131.12.0

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value291291259255225189141130102101999589909988100103103102104105991101061045264615953495149515456
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.84.13.63.53.23.02.32.01.61.61.61.51.41.41.61.51.71.71.71.61.61.71.61.81.71.70.81.11.00.90.90.80.90.80.90.91.1

Stockholders Equity

Common Stock Value

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3139300929022783269126092434223620291687165615341414132311541069960848821729593525492406316236-45-58-108-1410
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets41.242.840.438.538.440.939.335.131.826.526.824.822.720.819.218.216.314.113.611.59.48.48.06.75.23.8-0.8-1.0-1.9-2.30.0

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value205819741916184817961760148413851138972931894756684644576540492454351287258232225145120572711
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.028.126.725.625.727.623.921.717.815.215.114.412.110.810.79.89.28.27.55.64.54.13.83.72.41.90.90.40.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312011-09-302011-06-302010-12-31
Value-1394-1409-1232-1251-1269-1288-1070-1085-1098-900-949-919-935-951-808-821-833-845-826-836-849-862-506-509-515-521-1078-1096-1224-1226-834-849-483-491-515
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-18.3-20.0-17.1-17.3-18.1-20.2-17.3-17.0-17.2-14.1-15.4-14.8-15.0-15.0-13.4-14.0-14.1-14.0-13.7-13.2-13.4-13.8-8.3-8.4-8.4-8.4-17.2-18.1-19.6-19.2-14.3-14.1-8.5-8.3-9.9

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value-1390-1407-1228-1246-1264-1283-1065-1080-1095-906-953-921-935-948-807-819-831-843-824-838-850-864-508-513-518-523-1080-1097-1225-1226-862-532
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax99.799.999.799.699.699.699.599.599.7100.7100.4100.2100.099.799.999.899.899.899.8100.2100.1100.2100.4100.8100.6100.4100.2100.1100.1100.0101.5103.3
Percentage of Assets-18.3-20.0-17.1-17.2-18.1-20.1-17.2-16.9-17.2-14.2-15.4-14.9-15.0-14.9-13.4-14.0-14.1-14.0-13.6-13.3-13.5-13.8-8.3-8.4-8.5-8.4-17.2-18.1-19.6-19.2-14.4-10.2
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-4-2-4-5-5-5-5-5-3642-3-1-2-2-2-22122432211
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax0.30.10.30.40.40.40.50.50.3-0.7-0.4-0.20.30.10.20.20.20.2-0.2-0.1-0.2-0.4-0.8-0.6-0.4-0.2-0.1-0.1
Percentage of Assets-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.00.10.10.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value68566363-4411648-93239120434961869834525416954411254166-3402256272-214-362-329-364
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.023.516.4-2.00.529.5-4.511.86.421.75.210.05.718.015.19.93.121.614.19.5-0.220.914.915.8-13.4-23.2-21.0-21.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-444-157-109-92-269-209-102-95-70-133-83-75-58-512-60-44-37-102-37-86-74-39-254-70-30-27-63
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.6-6.5-4.9-4.2-12.9-9.5-4.9-4.7-3.7-6.7-4.5-4.0-3.4-26.6-3.6-2.6-2.1-5.4-2.1-0.50.4-3.8-2.3-14.8-4.4-1.9-1.7-3.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value329-366-25111469-267-135-274-223-99-67-166-152-70-89-66-118-86-506-102-89-107-40-168-17-13-8652
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.5-15.2-11.35.23.3-12.1-6.5-13.6-11.9-5.0-3.6-8.9-8.8-3.6-5.3-3.9-6.7-4.5-28.1-5.8-5.7-5.6-2.3-9.8-1.1-0.8-0.538.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value68566363-4411648-93239120434961869834525416954411254166-3402256272-214-362-329-364
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.023.516.4-2.00.529.5-4.511.86.421.75.210.05.718.015.19.93.121.614.19.5-0.220.914.915.8-13.4-23.2-21.0-21.6

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value172149154128118212229239156641491471191971071331365011115687529610090916957445013503367-248404542-11
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.66.26.95.95.79.611.011.88.33.28.07.96.910.26.47.87.72.66.28.95.52.75.65.85.64.74.23.42.82.70.82.92.13.9-15.62.62.72.5-0.7

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value1721491541281182122292391566414914711919710713313650111156875296100904433-2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-4.4
Percentage of Revenues7.66.26.95.95.79.611.011.88.33.28.07.96.910.26.47.87.72.66.28.95.52.75.65.85.62.82.1-0.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

Increase Decrease In Inventories

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-444-157-109-92-269-209-102-95-70-133-83-75-58-512-60-44-37-102-37-86-74-39-254-70-30-27-63
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.6-6.5-4.9-4.2-12.9-9.5-4.9-4.7-3.7-6.7-4.5-4.0-3.4-26.6-3.6-2.6-2.1-5.4-2.1-0.50.4-3.8-2.3-14.8-4.4-1.9-1.7-3.7

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value711811151241101701161027515491795814060483710237292074402724302763
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value329-366-25111469-267-135-274-223-99-67-166-152-70-89-66-118-86-506-102-89-107-40-168-17-13-8652
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.5-15.2-11.35.23.3-12.1-6.5-13.6-11.9-5.0-3.6-8.9-8.8-3.6-5.3-3.9-6.7-4.5-28.1-5.8-5.7-5.6-2.3-9.8-1.1-0.8-0.538.7

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

Payments Of Dividends

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8460665284230104242166394013968426642444010261292689410
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentInterestRateStatedPercentage

hii:SeniorNotesDue20253844, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-03-31
Value0.03844
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations hii:SeniorNotesDue20253844 us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

hii:SeniorNotesDue20304200, us-gaap:SeniorNotes, us-gaap:SubsequentEvent



Period End2020-03-31
Value0.042
Percentage of DebtInstrumentInterestRateStatedPercentage109.3
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations hii:SeniorNotesDue20304200 us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value0.204-0.020999999999999990.2220.220.208-0.0310.2240.0880.20.089000000000000020.3230.3260.19-0.0259999999999999680.3180.3320.2320.00200000000000000180.3660.3610.3460.00100000000000000090.3330.3420.3180.3030.3450.3230.6490.3510.340.350.344
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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

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

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value7117759128777146141165148174121165984
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value185201208216220
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-47433-22-189172-330-130-173202-54-55-112-23710559-101223-28956-86221177-150-301-405-364225
Percentage of CashAndCashEquivalentsPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInAccountingEstimateByType

hii:ChangeInAccountingEstimateEffectOfChangeOnOperatingResults

us-gaap:ContractsAccountedForUnderPercentageOfCompletion



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value32394419-6113437286256602657247469516271556846644423530-93414193
Percentage of ChangeInAccountingEstimateEffectOfChangeOnOperatingResults100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInAccountingEstimateByType

hii:ChangeInAccountingEstimateEffectOfChangeOnOperatingResultsPerShareDiluted

us-gaap:ContractsAccountedForUnderPercentageOfCompletion



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value0.620.750.860.35-0.110.209999999999999960.620.660.50.89000000000000010.790.850.370.790.331.020.950.70000000000000020.840.940.730.90000000000000040.610.840.580.020.440.39-0.120.440.180.260.04
Percentage of ChangeInAccountingEstimateEffectOfChangeOnOperatingResultsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Deferredgainonreceiptofproperty



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value523233362814172
Percentage of Deferredgainonreceiptofproperty100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

hii:EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromIssuanceOfInstrumentsOtherThanOptions

hii:StockAwards



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value26005900740123
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromIssuanceOfInstrumentsOtherThanOptions100.0100.00.00.0100.0100.00.00.0100.0100.00.0100.0100.0

us-gaap:StatementBusinessSegments

hii:FasCasAdjustment

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-63-30-23-37-34-72-73-73-72-45-46-49-49-38-37-35-35-22-27-28-27-8-21-21-221318231919
Percentage of FasCasAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:Grantproceedsforcapitalexpenditures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value523233362814172
Percentage of Grantproceedsforcapitalexpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:NonoperatingretirementFASexpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-30-4-3-2-3-18-19-19-184444
Percentage of NonoperatingretirementFASexpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:PercentageofworkforcesubjecttoCollectiveBargainingArrangements



Period End2020-03-312019-12-312019-09-30
Value0.50.00.0
Percentage of PercentageofworkforcesubjecttoCollectiveBargainingArrangements100.00.00.0

us-gaap:CollectiveBargainingArrangement, us-gaap:StatementBusinessSegments

hii:UnitedSteelworkers, hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-30
Value0.50.00.0
Percentage of PercentageofworkforcesubjecttoCollectiveBargainingArrangements100.00.00.0

hii:Repaymentoflineofcreditborrowings



Period End2020-03-312019-03-31
Value5967
Percentage of Repaymentoflineofcreditborrowings100.0100.0

us-gaap:StatementBusinessSegments

hii:SalesRevenueIntersegmentNet

hii:Ingalls



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value111102
Percentage of SalesRevenueIntersegmentNet100.0100.0100.0100.00.0100.0

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value2322223
Percentage of SalesRevenueIntersegmentNet200.0300.0200.0200.00.0100.00.0

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value214536342643313226
Percentage of SalesRevenueIntersegmentNet2100.04500.03600.03400.00.00.01550.00.00.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-24-49-39-37-26-45-35-35-26
Percentage of SalesRevenueIntersegmentNet-2400.0-4900.0-3900.0-3700.00.00.0-1750.00.00.0

hii:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsTransferredFromEmployeesforMinimumTaxObligations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value100000.00.00.0100000.00.00.0100000.00.00.0200000.00.00.0300000.00.00.0300000.00.0300000.0300000.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsTransferredFromEmployeesforMinimumTaxObligations100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.00.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-677-18128
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-677-18128
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value7117759118777146141165148174121165910998899
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value1110111112112111221233323220
Percentage of AmortizationOfFinancingCosts100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value11121212118109910109117565766788665565555
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value00000000000000001111110110
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value10103-253448034300-25139-2414003511223
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisition

us-gaap:CashAcquiredFromAcquisition

hii:HydroidInc



Period End2020-03-31
Value2
Percentage of CashAcquiredFromAcquisition100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-10-312014-09-302014-06-302014-03-312013-12-312013-10-312013-09-302013-06-302013-03-312012-11-302012-12-31
Value1.031.030.860.860.860.860.720.720.720.720.60.60.60.60.50.50.50.50.40.40.40.40.40.20.20.20.20.20.10.10.10.10.1
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value274181727217-201
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:Range, us-gaap:CreditFacility, us-gaap:SubsequentEventType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

srt:Maximum, hii:A364DayCreditFacility, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-31
Value0.02375
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

srt:Minimum, hii:A364DayCreditFacility, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-31
Value0.02
Percentage of DebtInstrumentBasisSpreadOnVariableRate184.2

us-gaap:StatementBusinessSegments

us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-09-302013-06-302012-09-302012-06-30
Value41700270-3-271-15-5223-12-1-2132242
Percentage of DeferredStateAndLocalIncomeTaxExpenseBenefit100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value233231101111121
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-27-28-29-28-28-20-20-21-20-24-25-24-24-21-21
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-1350.0-933.3-966.7-1400.0-933.3-2000.0-2000.00.0-2000.0-2400.0-2500.0-2400.0-2400.0-1050.0-2100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-5-6-5-6-5-6-5-6-5-5-6-4-5-5-5
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value354456666664445
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-60.0-83.3-80.0-66.7-100.0-100.0-120.0-100.0-120.0-120.0-100.0-100.0-80.0-80.0-100.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value23-241252425-29320212066-522322-231201920-31212222-5828883121052321241211
Percentage of DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value121102102101102107107108107929391918687
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value455556555666666
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value646969706964636364666766676665
Percentage of DefinedBenefitPlanInterestCost1600.01380.01380.01400.01380.01066.71260.01260.01280.01100.01116.71100.01116.71100.01083.3

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1-2-1-2-11111223322
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value183636373622212222424239393838
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-1800.0-1800.0-3600.0-1850.0-3600.02200.02100.02200.02200.02100.02100.01300.01300.01900.01900.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value222122222232332
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value453636363639394039383736353334
Percentage of DefinedBenefitPlanServiceCost2250.01800.01800.03600.01800.01950.01950.02000.01950.01900.01233.31800.01166.71100.01700.0

us-gaap:Depreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value47544342413844444142414141404042413839383930394354434240
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-31
Value423536363132322727282224241920191010105
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-31
Value4235-36363132322727282224241920191010105
Percentage of Dividends100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4242353636373132323327272828222424231920191910101010555
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value131112321-263626-1747206371542244333433
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod



Period End2020-03-312019-03-312015-03-312014-03-31
Value310133541
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

hii:TechnicalSolutions



Period End2020-03-312019-03-31
Value310133
Percentage of GoodwillAcquiredDuringPeriod100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-312019-09-302019-06-302019-03-312017-09-302015-09-302015-06-302015-03-31
Value-35-116-1001
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.0100.00.00.0100.0

us-gaap:StatementBusinessSegments

hii:TechnicalSolutions



Period End2020-03-312019-09-302019-06-302019-03-312017-06-30
Value-35-116-16
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.00.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value6765458222712-1611621171292274394
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value46-14340-4014722631225614333-18-56188-18-112-1183-1439100-5566-197-194-125-131
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value93-172-78189112-387815169-12-1317435024-6412-2043422189-106-72-124162294243168
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value140-229-419229-38-4015305
Percentage of IncreaseDecreaseInContractWithCustomerAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-18-12-14-16-1112-6-5-1582-16-12-26-20-24-1520-1711133-1512-8-14-1733
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInventoryForLongTermContractsOrPrograms



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value6-313-12-376-1450-13-2520-58-12-3-2-23-11-17-394-23-20217-5
Percentage of IncreaseDecreaseInInventoryForLongTermContractsOrPrograms100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-312011-03-31
Value-132410212514-412-36-2035-171-13-143131-85-213332-63304425-60-1328-7531
Percentage of IncreaseDecreaseInPensionAndPostretirementObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-03-312011-03-31
Value13119331045-2255-3864-1312-11-343849-830-211-3-18104-238
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesGainLoss



Period End2020-03-312019-03-31
Value-167
Percentage of MarketableSecuritiesGainLoss100.0100.0

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-09-30
Value3.00.0
Percentage of NumberOfReportableSegments100.00.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value16121211
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-09-302019-06-302019-03-31
Value-16-12-11-11
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2-1-1-2010100-10-1-1-2-2-2-2-202
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.00.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2-1-1-2010100-10-1-1-2-2-2-2-202
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.00.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-2-2631-3120-246-7334-2511-51-72-2-2111108-29
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-2100-24334-212-72-2-2111-12
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0-0.00.0100.08.7-4.1100.0100.00.8100.0-3.9100.0100.0100.0100.0100.0100.0100.0-0.9-6.9

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value15191819151315-301616131212101313366181282171315
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value17181819151515-321413121212141214555171281
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent113.394.7100.0100.0100.0115.4100.0106.787.581.292.3100.0100.0140.092.3107.7166.783.383.394.4100.050.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302018-09-302018-06-302017-09-302017-06-302017-03-312016-09-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-03-31
Value-210-22231-41-1-21111
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-13.35.30.0-15.4-6.712.518.87.7-40.07.7-7.7-66.716.716.75.650.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value15191819151315-301616131212101313366215
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2525262625191921192324232319201920222222222210101034333334
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2525262625191921192324232319201920222222222210101034333334
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value6-62766-7556521-191010-90878-104117-22633315815689
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6-62766-7556519-2099-90878-127108-22633335614824
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.090.5105.390.090.0100.0100.0100.0100.0120.0175.090.9114.3100.0100.0100.0100.00.093.3101.280.0

us-gaap:OtherNoncashIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-03-312011-03-31
Value-3-20-2-280-2-1-33-2-2-401-509
Percentage of OtherNoncashIncomeExpense100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0

us-gaap:OtherPostretirementBenefitsPayments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value8879777977108969988988988875
Percentage of OtherPostretirementBenefitsPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-31
Value424235363637313232332727282822242423192019191010105
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:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value13000230002500056010500005400
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.00.0100.00.00.00.0100.00.00.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3780-1119500060-122746
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0

us-gaap:BusinessAcquisition

hii:HydroidInc



Period End2020-03-31
Value378
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0

us-gaap:PensionAndOtherPostretirementBenefitContributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value301025141094346043921556558101256291010611108944740127
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:DefinedBenefitPlansAndOtherPostretirementBenefitPlansTypeOfCashContribution, hii:DefinedBenefitPlansAndOtherPostretirementBenefitPlansTypeOfPlan

us-gaap:PensionContributions

hii:DiscretionaryContribution, hii:NonQualified



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-03-312012-03-31
Value2221223122221212111111011
Percentage of PensionContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

hii:DiscretionaryContribution, hii:Qualified



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value200164104245034020346450011453009720084393241
Percentage of PensionContributions1000.00.0800.0400.050.00.014133.35000.01700.00.010150.02300.04500.00.00.05700.05300.00.00.09700.0200.00.00.00.00.03200.04100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit



Period End2020-03-312019-03-31
Value3851179
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-09-302019-06-302019-03-31
Value174413
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value100000.00.00.0300000.00.00.0200000.00.00.0400000.00.00.0800000.00.00.0800000.00.0600000.0900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.00.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-08-272012-02-27
Value100000.00.00.0100000.00.00.0100000.00.00.0100000.00.00.0200000.00.0100000.0100000.00.00.0200000.00.00.0400000.04000.0600000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.00.0100.0100.00.00.0100.00.00.0100.0100.0100.0

us-gaap:ShortTermLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value4975
Percentage of ShortTermLeaseCost100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value00000101000000000000000000000
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value84-370685236-130099247166-5353713872-3446836483810364292678025
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value84-370685236-130099247166-5353713872-3446836483810364292678025
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value1221
Percentage of VariableLeaseCost100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding



Period End2020-05-01
Value40
Percentage of EntityCommonStockSharesOutstanding100.0

dei:EntityNumberOfEmployees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value42000.042000.041000.041000.040000.040000.040000.039000.039000.038000.037000.037000.037000.036000.0
Percentage of EntityNumberOfEmployees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hii:DisposalGroupIncludingDiscontinuedOperationLeaseLiability



Period End2020-03-312019-12-31
Value2916
Percentage of DisposalGroupIncludingDiscontinuedOperationLeaseLiability100.0100.0

hii:InventoryWorkInProcessAndGeneralAndAdministrativeCostsIncludedInInventoryNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value373037272934248221220248229222201256300417
Percentage of InventoryWorkInProcessAndGeneralAndAdministrativeCostsIncludedInInventoryNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value265265299283264248267252244245258244208241211197186215216198183248226210194230205193199235194189189221190203
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value19551961195019431936195419441932192419421935192819141964194919391933197819481942192219591907189619041925191419041892189418871873186018620
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-33-4-7-79-9-13-13151528-33-4
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldInTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value13714713613012110911210493949087858280787674704746454343414033
Percentage of AssetsHeldInTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-312019-12-312018-12-31
Value178951
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0

us-gaap:StatementBusinessSegments

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value17895
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0

us-gaap:CommercialPaper



Period End2020-03-31
Value88
Percentage of CommercialPaper100.0

us-gaap:Range

srt:Maximum



Period End2020-03-31
Value1000
Percentage of CommercialPaper1136.4

us-gaap:CommonStockValueOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-03-312011-12-312010-12-31
Value1000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.00.00.00.0
Percentage of CommonStockValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ContractWithCustomerAssetNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value12119891218125912501003103910781064759
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value387373344338360331267210190146
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsLiabilitiesNetNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value8510810212014016398921021142882672923142532823133361882042032122482533173296792128
Percentage of DeferredTaxAssetsLiabilitiesNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value94197574976376576443683688792292610431080111686685696010018798669499394524375065291082106513161301762791833936420407381
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value9474
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value6562
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value3723
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value2715
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value162
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment100.0100.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value4828333946253237432532384328313440253035382128333721354245232936
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value610599599587575564556-546-537528518508499488481476-470465458452446439431423417411407402397391387382377372367362352
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value290629062877287728772877287728772877287728772877287728772877287728772877286128612802280227552755275527552755275527552755278027802780
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

hii:NewportNewsShipbuilding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value118711871187118711871187118711871187118711871187118711871187118711871187118711871187118711871187118711871187118711871187121212121212
Percentage of GoodwillImpairedAccumulatedImpairmentLoss40.840.841.341.341.341.341.341.341.341.341.341.341.341.341.341.341.341.341.541.542.442.443.143.143.143.143.143.143.143.143.643.643.6

hii:TechnicalSolutions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value151151122122122122122122122122122122122122122
Percentage of GoodwillImpairedAccumulatedImpairmentLoss5.25.24.24.24.24.24.24.24.24.24.24.24.24.24.2

us-gaap:IncomeTaxesReceivable



Period End2020-03-312019-12-312018-12-31
Value10814894
Percentage of IncomeTaxesReceivable100.0100.0100.0

us-gaap:InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value154136139126127128180174188183183204230210268280283285308319336339272294315311340321310288332357380
Percentage of InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1171061029998941039995939597969498969492919395919596949193938988908781
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value273273267278286196
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value12111412712511956
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value232222222013
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value252429292720
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value313036373430
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value393842424036
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value344511234641
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount



Period End2020-03-312019-12-31
Value-57-58
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0

us-gaap:CreditFacility

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:RevolvingCreditFacility



Period End2020-03-31
Value16
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-312019-12-31
Value9277
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0

us-gaap:StatementBusinessSegments

hii:TechnicalSolutions



Period End2020-03-312019-12-31
Value9277
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0

us-gaap:CreditFacility, us-gaap:ShortTermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit



Period End2020-03-31
Value500
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:CreditFacility, us-gaap:SubsequentEventType

hii:A364DayCreditFacility, us-gaap:SubsequentEvent



Period End2020-03-31
Value500
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:LongTermDebtFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value168713791642176515331292130013091331136113851385136913721387138913831343137417501804177918331878191018971943193519631974196519321864
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-30
Value216215208
Percentage of OperatingLeaseLiability100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-30
Value343536
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value153164172179184
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.0410.0450.0450.045
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value23124024122421720321316612912511711012212813512712512615612512712912713013111912311711677805249
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value378380345346348348413414414414430431431431424424423423513511509507486482480477656654807799594589586581579573567
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value130130131131131131139139139139147147147147143142143143143143143143139139139139148148166166172172172172145145146
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value205.78201.91201.85201.82174.09174.45174.06146.83146.3142.84113.41113.06110.2475.7675.7375.7651.0249.9647.4541.3341.2541.0738.9238.92
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312013-02-192012-08-272012-02-27
Value229.42210.24210.26210.24261.89260.69262.76218.36219.47219.47133.08131.77132.81142.02142.34142.4198.0998.0998.0945.5445.5445.5445.5440.0335.92
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue111.5104.1104.2104.2150.4149.4151.0148.7150.0153.6117.3116.5120.5187.5188.0188.0192.3196.3206.7110.2110.4110.90.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value16431588170516281563151618251699171817581712165016381653165216121521149014901485138013651662156915611521935873707667103899491887211551418
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-1394-1409-1232-1251-1269-1288-1070-1085-1098-900-949-919-935-951-808-821-833-845-826-836-849-862-506-509-515-521-1078-1096-1224-1226
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-84.8-88.7-72.3-76.8-81.2-85.0-58.6-63.9-63.9-51.2-55.4-55.7-57.1-57.5-48.9-50.9-54.8-56.7-55.4-56.3-61.5-63.2-30.4-32.4-33.0-34.3-115.3-125.5-173.1-183.8

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value195519611950194319361954194419321924194219351928191419641949193919331978194819421922195919071896190419251914190418921894
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest119.0123.5114.4119.3123.9128.9106.5113.7112.0110.5113.0116.8116.8118.8118.0120.3127.1132.8130.7130.8139.3143.5114.7120.8122.0126.6204.7218.1267.6284.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value313930092902278326912609243422362029168716561534141413231154106996084882172959352549240631623615591390
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest191.1189.5170.2170.9172.2172.1133.4131.6118.196.096.793.086.380.069.966.363.156.955.149.143.038.529.625.920.215.516.610.45.50.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-2058-1974-1916-1848-1796-1760-1484-1385-1138-972-931-894-756-684-644-576-540-492-454-351-287-258-232-225-145-120-57-27-1-1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-125.3-124.3-112.4-113.5-114.9-116.1-81.3-81.5-66.2-55.3-54.4-54.2-46.2-41.4-39.0-35.7-35.5-33.0-30.5-23.6-20.8-18.9-14.0-14.3-9.3-7.9-6.1-3.1-0.1-0.1

us-gaap:UnamortizedDebtIssuanceExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value181920212122232425262324252728-29-3032303539424446480
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-31
Value67
Percentage of UnamortizedDebtIssuanceExpense33.336.8

us-gaap:LongtermDebtType

us-gaap:SeniorNotes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value12121313131414151515171718192020212220
Percentage of UnamortizedDebtIssuanceExpense66.763.265.061.961.963.660.962.560.057.773.970.872.070.471.4-69.0-70.068.866.7

us-gaap:WorkersCompensationLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value229225228227225225234253252250220218218217227228228227226224223221233233232230225223222216216201201201198197197
Percentage of WorkersCompensationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WorkersCompensationLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value462457455459459454471506512509448443443441462462462460458454453449424424422419409406404403383364362361353351351
Percentage of WorkersCompensationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:Revenues us-gaap:ProductOrService


us-gaap:Revenues us-gaap:StatementBusinessSegments


us-gaap:Revenues hii:Contracttype


us-gaap:Revenues us-gaap:MajorCustomers


us-gaap:Revenues us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments


us-gaap:Revenues us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments


us-gaap:Revenues us-gaap:StatementBusinessSegments, hii:Contracttype


us-gaap:Revenues us-gaap:StatementBusinessSegments, hii:Contracttype


us-gaap:Revenues us-gaap:StatementBusinessSegments, hii:MajorPrograms


us-gaap:Revenues us-gaap:StatementBusinessSegments, hii:MajorPrograms


us-gaap:Revenues us-gaap:StatementBusinessSegments, hii:MajorPrograms


us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService


us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments


us-gaap:Assets us-gaap:StatementBusinessSegments


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType


us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents


us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType