$hii 2017 Q4 10-K

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$1.996B	$1.863B	$1.858B
YoY Change	3.85%	10.7%	9.29%
Cost Of Revenue	$1.393B	$393.0M	$375.0M
YoY Change	-5.88%	27.6%	29.31%
Gross Profit	$603.0M	$1.470B	$1.483B
YoY Change	36.43%	6.91%	5.18%
Gross Profit Margin	30.21%	78.9%	79.82%
Selling, General & Admin	$362.0M	$135.0M	$133.0M
YoY Change	92.55%	-8.16%	-11.92%
% of Gross Profit	60.03%	9.18%	8.97%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$52.00M	$51.00M	$50.00M
YoY Change	10.64%	13.33%	4.17%
% of Gross Profit	8.62%	3.47%	3.37%
Operating Expenses	$362.0M	$135.0M	$133.0M
YoY Change	109.25%	-8.16%	-11.92%
Operating Profit	$231.0M	$241.0M	$241.0M
YoY Change	-13.81%	37.71%	11.06%
Interest Expense	-$39.00M	$18.00M	$17.00M
YoY Change	105.26%	-5.26%	-5.56%
% of Operating Profit	-16.88%	7.47%	7.05%
Other Income/Expense, Net	-$15.00M	$1.000M	-$2.000M
YoY Change	-1600.0%	0.0%
Pretax Income	$187.0M	$220.0M	$218.0M
YoY Change	-25.5%	40.13%	9.55%
Income Tax	$123.0M	$71.00M	$71.00M
% Of Pretax Income	65.78%	32.27%	32.57%
Net Earnings	$64.00M	$149.0M	$147.0M
YoY Change	-67.51%	39.25%	10.53%
Net Earnings / Revenue	3.21%	8.0%	7.91%
Basic Earnings Per Share	$1.41	$3.28	$3.22
Diluted Earnings Per Share	$1.41	$3.27	$3.21
COMMON SHARES
Basic Shares Outstanding	45.26M shares	45.40M shares	45.70M shares
Diluted Shares Outstanding		45.50M shares	45.80M shares

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$701.0M	$499.0M	$553.0M
YoY Change	-2.64%	-47.86%	-35.09%
Cash & Equivalents	$701.0M	$499.0M	$553.0M
Short-Term Investments
Other Short-Term Assets	$123.0M	$57.00M	$75.00M
YoY Change	156.25%	-21.92%	74.42%
Inventory	$183.0M	$183.0M	$204.0M
Prepaid Expenses
Receivables	$429.0M	$1.200B	$1.201B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.195B	$1.939B	$2.033B
YoY Change	2.47%	-17.28%	-7.46%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.215B	$2.093B	$2.034B
YoY Change	11.53%	13.69%	12.19%
Goodwill	$1.217B	$1.217B	$1.218B
YoY Change	-1.38%	27.3%	27.41%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.964B	$405.0M	$377.0M
YoY Change	-11.69%	4.38%	-7.82%
Total Long-Term Assets	$4.179B	$4.233B	$4.157B
YoY Change	-0.74%	15.53%	13.52%
TOTAL ASSETS
Total Short-Term Assets	$2.195B	$1.939B	$2.033B
Total Long-Term Assets	$4.179B	$4.233B	$4.157B
Total Assets	$6.374B	$6.172B	$6.190B
YoY Change	0.35%	2.73%	5.65%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$375.0M	$318.0M	$325.0M
YoY Change	18.67%	8.53%	28.97%
Accrued Expenses	$495.0M	$478.0M	$462.0M
YoY Change	8.08%	9.13%	8.71%
Deferred Revenue	$146.0M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.391B	$1.275B	$1.247B
YoY Change	3.57%	3.83%	9.29%
LONG-TERM LIABILITIES
Long-Term Debt	$1.279B	$1.282B	$1.281B
YoY Change	0.08%	0.39%	0.39%
Other Long-Term Liabilities	$101.0M	$99.00M	$95.00M
YoY Change	12.22%	0.0%	7.95%
Total Long-Term Liabilities	$1.380B	$1.381B	$1.376B
YoY Change	0.88%	0.36%	0.88%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.391B	$1.275B	$1.247B
Total Long-Term Liabilities	$1.380B	$1.381B	$1.376B
Total Liabilities	$4.616B	$4.460B	$4.540B
YoY Change	-1.77%	2.39%	6.9%
SHAREHOLDERS EQUITY
Retained Earnings	$1.687B	$1.656B	$1.534B
YoY Change	27.51%	43.5%	43.5%
Common Stock	$1.942B	$1.935B	$1.928B
YoY Change	-1.12%	-0.72%	-0.57%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$972.0M	$931.0M	$894.0M
YoY Change	42.11%	44.57%	55.21%
Treasury Stock Shares
Shareholders Equity	$1.758B	$1.712B	$1.650B
YoY Change
Total Liabilities & Shareholders Equity	$6.374B	$6.172B	$6.190B
YoY Change	0.35%	2.73%	5.65%

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$64.00M	$149.0M	$147.0M
YoY Change	-67.51%	39.25%	10.53%
Depreciation, Depletion And Amortization	$52.00M	$51.00M	$50.00M
YoY Change	10.64%	13.33%	4.17%
Cash From Operating Activities	$434.0M	$96.00M	$186.0M
YoY Change	25.8%	-62.2%	10.06%
INVESTING ACTIVITIES
Capital Expenditures	-$154.0M	-$91.00M	-$79.00M
YoY Change	10.0%	51.67%	64.58%
Acquisitions
YoY Change
Other Investing Activities	$21.00M	$8.000M	$4.000M
YoY Change	-105.65%		0.0%
Cash From Investing Activities	-$133.0M	-$83.00M	-$75.00M
YoY Change	-74.02%	38.33%	70.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-99.00M	-67.00M	-166.0M
YoY Change	41.43%	-24.72%	151.52%
NET CHANGE
Cash From Operating Activities	434.0M	96.00M	186.0M
Cash From Investing Activities	-133.0M	-83.00M	-75.00M
Cash From Financing Activities	-99.00M	-67.00M	-166.0M
Net Change In Cash	202.0M	-54.00M	-55.00M
YoY Change	-185.23%	-151.43%	-193.22%
FREE CASH FLOW
Cash From Operating Activities	$434.0M	$96.00M	$186.0M
Capital Expenditures	-$154.0M	-$91.00M	-$79.00M
Free Cash Flow	$588.0M	$187.0M	$265.0M
YoY Change	21.24%	-40.45%	22.12%

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CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	44000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	52000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	106000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	103000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	223000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	247000000	USD
CY2017Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	922000000	USD
CY2018Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	764000000	USD
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CY2017	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	59000000	USD
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-232000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	-20000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	-2000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	22000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	2000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	5837000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	5726000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0600
CY2018Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0550
CY2017Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0450
CY2018Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0450
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CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	78000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	102000000	USD
CY2016	us-gaap	Depreciation Depreciation	163000000	USD
CY2017	us-gaap	Depreciation Depreciation	165000000	USD
CY2018	us-gaap	Depreciation Depreciation	167000000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	186000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	205000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	203000000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	98000000	USD
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CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.28
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
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CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.48
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.41
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.29
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CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.14
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CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.56
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.21
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CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.46
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.48
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CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.29
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.94
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	19.09
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CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.139
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	14000000	USD
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CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	8000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	528000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	564000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	37000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	24000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	28000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	30000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	33000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	508000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	492000000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22000000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	768000000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	759000000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	871000000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	1234000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	1217000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1263000000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	46000000	USD
CY2017Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2877000000	USD
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2877000000	USD
CY2017	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-17000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	784000000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	147000000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	218000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	220000000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	187000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	772000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	195000000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	262000000	USD
CY2016	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	21000000	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	12000000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	274000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	270000000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	295000000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	219000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	971000000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6000000	USD
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CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	17000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	211000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	293000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	135000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	56000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-10000000	USD
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CY2017	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	-25000000	USD
CY2018	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	-5000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	204000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	4000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1000000	USD
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CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	25000000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	80000000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	229000000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	223000000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	142000000	USD
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CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-195000000	USD
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CY2017	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-91000000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	242000000	USD
CY2016	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-85000000	USD
CY2017	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-184000000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-10000000	USD
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CY2017	us-gaap	Increase Decrease In Inventory For Long Term Contracts Or Programs IncreaseDecreaseInInventoryForLongTermContractsOrPrograms	-18000000	USD
CY2018	us-gaap	Increase Decrease In Inventory For Long Term Contracts Or Programs IncreaseDecreaseInInventoryForLongTermContractsOrPrograms	-40000000	USD
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CY2017	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-163000000	USD
CY2018	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-454000000	USD
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CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	52000000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	40000000	USD
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CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
CY2016	us-gaap	Interest Expense InterestExpense	74000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	94000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	58000000	USD
CY2016	us-gaap	Interest Paid InterestPaid	71000000	USD
CY2017	us-gaap	Interest Paid InterestPaid	72000000	USD
CY2018	us-gaap	Interest Paid InterestPaid	62000000	USD
CY2017Q4	us-gaap	Inventory Net Of Allowances Customer Advances And Progress Billings InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings	183000000	USD
CY2018Q4	us-gaap	Inventory Net Of Allowances Customer Advances And Progress Billings InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings	128000000	USD
CY2017Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	93000000	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	94000000	USD
CY2017Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	90000000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	34000000	USD
CY2017Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	292000000	USD
CY2018Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	321000000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	69000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	63000000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	69000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	4616000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	4867000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6374000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6383000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1391000000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1829000000	USD
CY2018Q4	us-gaap	Loans Receivable Net LoansReceivableNet	38000000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	1279000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	1283000000	USD
CY2017Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1361000000	USD
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CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1279000000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1283000000	USD
CY2017Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1559000000	USD
CY2018Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1771000000	USD
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CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-899000000	USD
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CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-349000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-476000000	USD
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CY2016	us-gaap	Net Income Loss NetIncomeLoss	573000000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	119000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	147000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	149000000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	64000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	479000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	156000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	239000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	229000000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	212000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	836000000	USD
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CY2018	us-gaap	Number Of Reporting Units NumberOfReportingUnits	4	reporting_unit
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	876000000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	168000000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	241000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	241000000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	231000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	881000000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	191000000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	257000000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	290000000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	213000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	951000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	196000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	41000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	13000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	20000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	30000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	36000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	56000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	236000000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	332000000	USD
CY2017Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	125000000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	203000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1964000000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2121000000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-106000000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	51000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-175000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	2000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-250000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-20000000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	5000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-314000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-106000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	51000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-175000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	78000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	93000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	78000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-67000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	22000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-59000000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1000000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	14000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-2000000	USD
CY2016	us-gaap	Other Income OtherIncome	15000000	USD
CY2018	us-gaap	Other Income OtherIncome	14000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	101000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	189000000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	14000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4000000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4000000	USD
CY2016	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	32000000	USD
CY2017	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	34000000	USD
CY2018	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	30000000	USD
CY2017Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	414000000	USD
CY2018Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	348000000	USD
CY2018	us-gaap	Payments For Advance To Affiliate PaymentsForAdvanceToAffiliate	10000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	194000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	286000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	742000000	USD
CY2017	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	15000000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	12000000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	98000000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	115000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	132000000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	51000000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	56000000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	25000000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	372000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-3000000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	77000000	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	285000000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	361000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	402000000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	285000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	382000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	463000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	139000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	131000000	USD
CY2016	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	205000000	USD
CY2017	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	335000000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	546000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	182000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	183000000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	123000000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	122000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	600000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt		USD
CY2018	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	95000000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	4000000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	9000000	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	13000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3985000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4346000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2215000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2517000000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10000000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-4000000	USD
CY2018Q4	us-gaap	Receivable With Imputed Interest Discount ReceivableWithImputedInterestDiscount	10000000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	600000000	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	19000000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	17000000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	25000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1687000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2609000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	23000000000	USD
CY2016	us-gaap	Revenues Revenues	7068000000	USD
CY2017Q1	us-gaap	Revenues Revenues	1724000000	USD
CY2017Q2	us-gaap	Revenues Revenues	1858000000	USD
CY2017Q3	us-gaap	Revenues Revenues	1863000000	USD
CY2017Q4	us-gaap	Revenues Revenues	1996000000	USD
CY2017	us-gaap	Revenues Revenues	7441000000	USD
CY2018Q1	us-gaap	Revenues Revenues	1874000000	USD
CY2018Q2	us-gaap	Revenues Revenues	2020000000	USD
CY2018Q3	us-gaap	Revenues Revenues	2083000000	USD
CY2018Q4	us-gaap	Revenues Revenues	2199000000	USD
CY2018	us-gaap	Revenues Revenues	8176000000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	36000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	34000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	36000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2015Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1200000000	USD
CY2017Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	2200000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1490000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1653000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1758000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1516000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1758000000	USD

CY2018

dei

Amendment Flag

AmendmentFlag

false

CY2018

dei

Current Fiscal Year End Date

CurrentFiscalYearEndDate

--12-31

CY2018

dei

Document Fiscal Period Focus

DocumentFiscalPeriodFocus

FY

CY2018

dei

Document Fiscal Year Focus

DocumentFiscalYearFocus

2018

CY2018

dei

Document Period End Date

DocumentPeriodEndDate

2018-12-31

CY2018

dei

Document Type

DocumentType

10-K

CY2018

dei

Entity Central Index Key

EntityCentralIndexKey

0001501585

CY2019Q1

dei

Entity Common Stock Shares Outstanding

EntityCommonStockSharesOutstanding

41529911

shares

CY2018

dei

Entity Current Reporting Status

EntityCurrentReportingStatus

Yes

CY2018

dei

Entity Emerging Growth Company

EntityEmergingGrowthCompany

false

CY2018

dei

Entity Filer Category

EntityFilerCategory

Large Accelerated Filer

CY2018Q4

dei

Entity Number Of Employees

EntityNumberOfEmployees

40000

CY2018Q2

dei

Entity Public Float

EntityPublicFloat

9399000000

USD

CY2018

dei

Entity Registrant Name

EntityRegistrantName

HUNTINGTON INGALLS INDUSTRIES, INC.

CY2018

dei

Entity Shell Company

EntityShellCompany

false

CY2018

dei

Entity Small Business

EntitySmallBusiness

false

CY2018

dei

Entity Voluntary Filers

EntityVoluntaryFilers

No

CY2018

dei

Entity Well Known Seasoned Issuer

EntityWellKnownSeasonedIssuer

Yes

CY2017

hii

Accruedrepurchasesofcommonstock

2000000

USD

CY2018

hii

Accruedrepurchasesofcommonstock

48000000

USD

CY2018

hii

Amortizationof Restructuring Costs Period

AmortizationofRestructuringCostsPeriod

P5Y

CY2018

hii

Cash And Cash Equivalents Maturity Period

CashAndCashEquivalentsMaturityPeriod

P90D

CY2018

hii

Cumulative Effectof Asu201409

CumulativeEffectofASU201409

5000000

USD

CY2018

hii

Cumulative Effectof Asu201601 Aoci

CumulativeEffectofASU201601AOCI

-11000000

USD

CY2018

hii

Cumulative Effectof Asu201802 Aoci

CumulativeEffectofASU201802AOCI

-202000000

USD

CY2017Q4

hii

Deferred Tax Asset Netoperatinglossesandtaxcreditcarryforwards

DeferredTaxAssetNetoperatinglossesandtaxcreditcarryforwards

21000000

USD

CY2018Q4

hii

Deferred Tax Asset Netoperatinglossesandtaxcreditcarryforwards

DeferredTaxAssetNetoperatinglossesandtaxcreditcarryforwards

19000000

USD

CY2017Q4

hii

Deferred Tax Asset Tax Deferred Expense Compensation And Benefits Pension And Postretirement Benefits

DeferredTaxAssetTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits

263000000

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CY2018Q4

hii

Deferred Tax Asset Tax Deferred Expense Compensation And Benefits Pension And Postretirement Benefits

DeferredTaxAssetTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits

331000000

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CY2017Q4

hii

Deferred Tax Assets Tax Deferred Expense Workers Compensation

DeferredTaxAssetsTaxDeferredExpenseWorkersCompensation

167000000

USD

CY2018Q4

hii

Deferred Tax Assets Tax Deferred Expense Workers Compensation

DeferredTaxAssetsTaxDeferredExpenseWorkersCompensation

151000000

USD

CY2017Q4

hii

Deferred Tax Liabilities Contract Accounting Differences

DeferredTaxLiabilitiesContractAccountingDifferences

51000000

USD

CY2018Q4

hii

Deferred Tax Liabilities Contract Accounting Differences

DeferredTaxLiabilitiesContractAccountingDifferences

43000000

USD

CY2016

hii

Deferredgainonreceiptofproperty

15000000

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CY2017

hii

Deferredgainonreceiptofproperty

21000000

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CY2018

hii

Deferredgainonreceiptofproperty

61000000

USD

CY2018

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Defined Benefit Plan Amortization Of Gains Losses Threshold

DefinedBenefitPlanAmortizationOfGainsLossesThreshold

0.10

CY2017Q4

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Defined Contribution Plan Liabilities

DefinedContributionPlanLiabilities

32000000

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CY2018Q4

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Defined Contribution Plan Liabilities

DefinedContributionPlanLiabilities

30000000

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CY2016

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Gainfrom Grants

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30000000

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CY2017

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Gainfrom Grants

GainfromGrants

21000000

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CY2018

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Gainfrom Grants

GainfromGrants

61000000

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CY2017

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Grantproceedsforcapitalexpenditures

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CY2018

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Grantproceedsforcapitalexpenditures

61000000

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CY2018

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Incometaxexaminationpercentagelikelihoodofunfavorablesettlement

0.50

CY2018

hii

Increase Decreasein Net Contract Assets

IncreaseDecreaseinNetContractAssets

59000000

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CY2016

hii

Nonoperatingretirement Fa Sexpense

NonoperatingretirementFASexpense

18000000

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CY2017

hii

Nonoperatingretirement Fa Sexpense

NonoperatingretirementFASexpense

16000000

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CY2018

hii

Nonoperatingretirement Fa Sexpense

NonoperatingretirementFASexpense

-74000000

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CY2018

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Parentownershippercentageofsubsidiaryguarantors

1.00

CY2018

hii

Payment Obligation Threshhold Of Aggregate Tax Liability Resulting From Spin Off

PaymentObligationThreshholdOfAggregateTaxLiabilityResultingFromSpinOff

5000000

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CY2016

hii

Receiptof Property

ReceiptofProperty

30000000

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CY2018

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Repaymentoflineofcreditborrowings

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CY2018

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Revenueperformanceobligationrecognitionpercentageyearone

0.30

CY2018

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Revenueperformanceobligationrecognitionpercentageyearthree

0.40

CY2017

hii

Treasury Stock Value Acquired Cost Method Amount Not Yet Settled For Cash

TreasuryStockValueAcquiredCostMethodAmountNotYetSettledForCash

2000000

USD

CY2018

hii

Treasury Stock Value Acquired Cost Method Amount Not Yet Settled For Cash

TreasuryStockValueAcquiredCostMethodAmountNotYetSettledForCash

48000000

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CY2017Q4

hii

Workers Compensation Liability Undiscounted

WorkersCompensationLiabilityUndiscounted

925000000

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CY2018Q4

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Workers Compensation Liability Undiscounted

WorkersCompensationLiabilityUndiscounted

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CY2017Q4

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Accounts Payable Current

AccountsPayableCurrent

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CY2018Q4

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Accounts Payable Current

AccountsPayableCurrent

562000000

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CY2017Q4

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Accounts Receivable Gross

AccountsReceivableGross

442000000

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CY2018Q4

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Accounts Receivable Gross

AccountsReceivableGross

261000000

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CY2017Q4

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Accounts Receivable Net

AccountsReceivableNet

429000000

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CY2018Q4

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Accounts Receivable Net

AccountsReceivableNet

252000000

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CY2017Q4

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Accounts Receivable Net Current

AccountsReceivableNetCurrent

429000000

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CY2018Q4

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Accounts Receivable Net Current

AccountsReceivableNetCurrent

252000000

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CY2017Q4

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Accrued Employee Benefits Current

AccruedEmployeeBenefitsCurrent

245000000

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CY2018Q4

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Accrued Employee Benefits Current

AccruedEmployeeBenefitsCurrent

248000000

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CY2017Q4

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Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

1770000000

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CY2018Q4

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Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

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CY2015Q4

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Accumulated Other Comprehensive Income Loss Net Of Tax

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Accumulated Other Comprehensive Income Loss Net Of Tax

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-951000000

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CY2017Q4

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Accumulated Other Comprehensive Income Loss Net Of Tax

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-900000000

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CY2018Q4

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Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

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CY2018

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Acquired Finite Lived Intangible Assets Weighted Average Useful Life

AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife

P40Y

CY2017Q4

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Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

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Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

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CY2016

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Adjustments To Additional Paid In Capital Other

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-14000000

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CY2017

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Adjustments To Additional Paid In Capital Other

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-22000000

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CY2018

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Adjustments To Additional Paid In Capital Other

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CY2016

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Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

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CY2017

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Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

34000000

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CY2018

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Allocated Share Based Compensation Expense

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36000000

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CY2017Q4

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Allowance For Doubtful Accounts Receivable

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CY2018Q4

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Allowance For Doubtful Accounts Receivable

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CY2017Q4

us-gaap

Allowance For Doubtful Accounts Receivable Current

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CY2018Q4

us-gaap

Allowance For Doubtful Accounts Receivable Current

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CY2016

us-gaap

Amortization Of Financing Costs

AmortizationOfFinancingCosts

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Amortization Of Financing Costs

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CY2018

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Amortization Of Financing Costs

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CY2016

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

23000000

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CY2017

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

40000000

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CY2018

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

36000000

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CY2016Q4

us-gaap

Assets

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CY2017Q4

us-gaap

Assets

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CY2018Q4

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Assets

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Assets Current

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CY2018Q4

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Assets Current

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1745000000

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CY2017Q4

us-gaap

Assets Held In Trust

AssetsHeldInTrust

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CY2018Q4

us-gaap

Assets Held In Trust

AssetsHeldInTrust

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CY2017Q4

us-gaap

Billings In Excess Of Cost Current

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CY2018Q4

us-gaap

Billings In Excess Of Cost Current

BillingsInExcessOfCostCurrent

331000000

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CY2017Q4

us-gaap

Buildings And Improvements Gross

BuildingsAndImprovementsGross

1923000000

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CY2018Q4

us-gaap

Buildings And Improvements Gross

BuildingsAndImprovementsGross

2043000000

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CY2018Q4

us-gaap

Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount

BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

201000000

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CY2016

us-gaap

Capital Expenditures Incurred But Not Yet Paid

CapitalExpendituresIncurredButNotYetPaid

24000000

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CY2017

us-gaap

Capital Expenditures Incurred But Not Yet Paid

CapitalExpendituresIncurredButNotYetPaid

33000000

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CY2018

us-gaap

Capital Expenditures Incurred But Not Yet Paid

CapitalExpendituresIncurredButNotYetPaid

55000000

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CY2017Q4

us-gaap

Capitalized Computer Software Gross

CapitalizedComputerSoftwareGross

211000000

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CY2018Q4

us-gaap

Capitalized Computer Software Gross

CapitalizedComputerSoftwareGross

211000000

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CY2015Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

894000000

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CY2016Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

720000000

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CY2017Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

701000000

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CY2018Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

240000000

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CY2016

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

-174000000

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CY2017

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

-19000000

USD

CY2018

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

-461000000

USD

CY2017Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2018Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2015Q4

us-gaap

Common Stock Dividends Per Share Declared