$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc

$noc Overview Financials Valuation SEC Filings Company Website

2019 Form 8-K Financial Statement

#000113342120000020 Filed on April 29, 2020

Income Statement

Concept	2019	2018 Q4	2018 Q3
Revenue	$33.84B	$8.156B	$8.085B
YoY Change	12.45%	24.48%	23.08%
Cost Of Revenue	$26.58B	$6.469B	$6.096B
YoY Change	14.07%	23.05%	227.21%
Gross Profit	$7.259B	$1.687B	$1.989B
YoY Change	6.89%	30.27%	-57.73%
Gross Profit Margin	21.45%	20.68%	24.6%
Selling, General & Admin	$2.337B	$744.0M	$817.0M
YoY Change	4.01%	14.64%	20.32%
% of Gross Profit	32.19%	44.1%	41.08%
Research & Development	$953.0M
YoY Change	24.74%
% of Gross Profit	13.13%
Depreciation & Amortization	$1.265B	$266.0M	$253.0M
YoY Change	58.13%	73.86%	127.93%
% of Gross Profit	17.43%	15.77%	12.72%
Operating Expenses	$29.87B	$744.0M	$817.0M
YoY Change	3809.95%	14.64%	20.32%
Operating Profit	$3.969B	$943.0M	$1.172B
YoY Change	5.0%	40.33%	41.38%
Interest Expense	-$528.0M	-$142.0M	-$133.0M
YoY Change	-6.05%	4.41%	82.19%
% of Operating Profit	-13.3%	-15.06%	-11.35%
Other Income/Expense, Net	$107.0M	-$398.0M	$55.00M
YoY Change	-17.69%	-129.77%	243.75%
Pretax Income	$2.548B	$403.0M	$1.364B
YoY Change	-31.91%	-78.18%	74.42%
Income Tax	$300.0M	$47.00M	$120.0M
% Of Pretax Income	11.77%	11.66%	8.8%
Net Earnings	$2.248B	$356.0M	$1.244B
YoY Change	-30.38%	-47.02%	65.87%
Net Earnings / Revenue	6.64%	4.36%	15.39%
Basic Earnings Per Share	$13.28	$2.07	$7.15
Diluted Earnings Per Share	$13.22	$2.06	$7.11
COMMON SHARES
Basic Shares Outstanding	169.3M shares	171.8M shares	174.1M shares
Diluted Shares Outstanding	170.0M shares	172.6M shares	174.9M shares

Balance Sheet

Concept	2019	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.245B	$1.914B	$1.603B
YoY Change	42.18%	-83.47%	-14.64%
Cash & Equivalents	$2.245B	$1.579B	$1.228B
Short-Term Investments		$335.0M	$375.0M
Other Short-Term Assets	$997.0M	$973.0M	$883.0M
YoY Change	2.47%	118.65%	194.33%
Inventory	$783.0M	$654.0M	$719.0M
Prepaid Expenses
Receivables	$6.660B	$1.448B	$1.702B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$10.69B	$9.680B	$10.13B
YoY Change	10.38%	-41.64%	33.33%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.423B	$6.372B	$6.025B
YoY Change	32.19%	50.82%	53.5%
Goodwill		$18.67B	$18.64B
YoY Change		49.92%	49.66%
Intangibles		$1.372B	$1.460B
YoY Change		2538.46%
Long-Term Investments
YoY Change
Other Assets	$2.233B	$1.463B	$1.615B
YoY Change	43.42%	7.42%	21.16%
Total Long-Term Assets	$30.40B	$27.97B	$27.81B
YoY Change	8.69%	50.87%	47.04%
TOTAL ASSETS
Total Short-Term Assets	$10.69B	$9.680B	$10.13B
Total Long-Term Assets	$30.40B	$27.97B	$27.81B
Total Assets	$41.09B	$37.65B	$37.94B
YoY Change	9.13%	7.19%	43.11%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.226B	$2.182B	$1.939B
YoY Change	2.02%	31.37%	28.67%
Accrued Expenses	$2.274B	$1.835B	$1.808B
YoY Change	23.92%	32.78%	38.12%
Deferred Revenue		$1.917B	$1.686B
YoY Change		8.86%
Short-Term Debt	$0.00	$0.00	$499.0M
YoY Change
Long-Term Debt Due	$1.109B	$517.0M	$517.0M
YoY Change	114.51%	-40.37%	-40.09%
Total Short-Term Liabilities	$9.434B	$8.274B	$8.039B
YoY Change	14.02%	16.67%	27.6%
LONG-TERM LIABILITIES
Long-Term Debt	$12.77B	$13.88B	$13.89B
YoY Change	-8.02%	-3.58%	123.04%
Other Long-Term Liabilities	$10.07B	$1.446B	$1.518B
YoY Change	39.79%	45.47%	66.08%
Total Long-Term Liabilities	$22.84B	$1.446B	$1.518B
YoY Change	8.31%	45.47%	66.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$9.434B	$8.274B	$8.039B
Total Long-Term Liabilities	$22.84B	$1.446B	$1.518B
Total Liabilities	$32.27B	$29.47B	$28.84B
YoY Change	9.52%	5.25%	44.06%
SHAREHOLDERS EQUITY
Retained Earnings		$8.068B	$14.46B
YoY Change		16.71%	25.27%
Common Stock		$171.0M	$174.0M
YoY Change		-21.56%	-8.42%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.819B	$8.187B	$9.103B
YoY Change
Total Liabilities & Shareholders Equity	$41.09B	$37.65B	$37.94B
YoY Change	9.13%	7.19%	43.11%

Cashflow Statement

Concept	2019	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	$2.248B	$356.0M	$1.244B
YoY Change	-30.38%	-47.02%	65.87%
Depreciation, Depletion And Amortization	$1.265B	$266.0M	$253.0M
YoY Change	58.13%	73.86%	127.93%
Cash From Operating Activities	$4.297B	$2.377B	$812.0M
YoY Change	12.28%	47.92%	-13.43%
INVESTING ACTIVITIES
Capital Expenditures	$1.264B	-$463.0M	-$282.0M
YoY Change	1.2%	66.55%	29.95%
Acquisitions	$0.00
YoY Change	-100.0%
Other Investing Activities	-$57.00M	$5.000M	$21.00M
YoY Change	103.57%	-72.22%	50.0%
Cash From Investing Activities	-$1.207B	-$458.0M	-$261.0M
YoY Change	-86.4%	76.15%	28.57%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$744.0M
YoY Change	-41.09%
Debt Paid & Issued, Net	$500.0M
YoY Change	-78.03%
Cash From Financing Activities	-$2.424B	-1.568B	-862.0M
YoY Change	-47.25%	-119.6%	259.17%
NET CHANGE
Cash From Operating Activities	$4.297B	2.377B	812.0M
Cash From Investing Activities	-$1.207B	-458.0M	-261.0M
Cash From Financing Activities	-$2.424B	-1.568B	-862.0M
Net Change In Cash	$666.0M	351.0M	-311.0M
YoY Change	-106.9%	-96.24%	-162.83%
FREE CASH FLOW
Cash From Operating Activities	$4.297B	$2.377B	$812.0M
Capital Expenditures	$1.264B	-$463.0M	-$282.0M
Free Cash Flow	$3.033B	$2.840B	$1.094B
YoY Change	17.65%	50.66%	-5.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020Q2	dei	Entity Central Index Key EntityCentralIndexKey	0001133421
CY2020Q2	dei	Entity Registrant Name EntityRegistrantName	NORTHROP GRUMMAN CORP /DE/
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CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q2	dei	Document Type DocumentType	8-K
CY2020Q2	dei	Document Period End Date DocumentPeriodEndDate	2020-04-29
CY2020Q2	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020Q2	dei	Entity File Number EntityFileNumber	1-16411
CY2020Q2	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	80-0640649
CY2020Q2	dei	Entity Address Address Line1 EntityAddressAddressLine1	2980 Fairview Park Drive
CY2020Q2	dei	Entity Address City Or Town EntityAddressCityOrTown	Falls Church
CY2020Q2	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
CY2020Q2	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22042
CY2020Q2	dei	City Area Code CityAreaCode	703
CY2020Q2	dei	Local Phone Number LocalPhoneNumber	280-2900
CY2020Q2	dei	Security12b Title Security12bTitle	Common Stock
CY2020Q2	dei	Pre Commencement Issuer Tender Offer PreCommencementIssuerTenderOffer	false
CY2020Q2	dei	Trading Symbol TradingSymbol	NOC
CY2020Q2	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020Q2	dei	Written Communications WrittenCommunications	false
CY2020Q2	dei	Soliciting Material SolicitingMaterial	false
CY2020Q2	dei	Pre Commencement Tender Offer PreCommencementTenderOffer	false
CY2020Q2	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2019	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	1800000000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	655000000	USD
CY2017	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-536000000	USD
CY2019	noc	Noncash Lease Expense NoncashLeaseExpense	247000000	USD
CY2018	noc	Noncash Lease Expense NoncashLeaseExpense	0	USD
CY2017	noc	Noncash Lease Expense NoncashLeaseExpense	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	127000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	86000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	94000000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-509000000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	234000000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	985000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-122000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-202000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	209000000	USD
CY2019	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	335000000	USD
CY2018	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	297000000	USD
CY2017	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	422000000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	135000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37000000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-25000000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	78000000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	56000000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	92000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	617000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	381000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	570000000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-63000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-258000000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-157000000	USD
CY2019	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-703000000	USD
CY2018	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-1083000000	USD
CY2017	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-946000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	59000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	29000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	43000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4297000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3827000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2613000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	7657000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1264000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1249000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	928000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-57000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-28000000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-39000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1207000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8878000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-889000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	500000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2276000000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	8245000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-31000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-320000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-13000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-198000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	198000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	744000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1263000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	393000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	880000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	821000000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	689000000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	65000000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	85000000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	92000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-28000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-98000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2424000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4595000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	6960000000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	666000000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-9646000000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	8684000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1579000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11225000000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2541000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2245000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1579000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11225000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	8819000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	8187000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	7132000000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	5.16
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.70
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.90
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Accounting Estimates</span></div><div style="line-height:120%;padding-bottom:6px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The company’s consolidated financial statements are prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP” or “FAS”). The preparation thereof requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingencies at the date of the financial statements, as well as the reported amounts of sales and expenses during the reporting period. Estimates have been prepared using the most current and best available information; however, actual results could differ materially from those estimates.</span></div>
CY2019	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	538000000	USD
CY2018	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	631000000	USD
CY2017	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	374000000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	64800000000	USD
CY2019	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Explanation RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionExplanation	We expect to recognize approximately 45 percent and 70 percent of our December 31, 2019 backlog as revenue over the next 12 and 24 months, respectively, with the remainder to be recognized thereafter.
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5334000000	USD
CY2018Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5026000000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	308000000	USD
CY2019	noc	Percentincreasedecreasein Contract Asset PercentincreasedecreaseinContractAsset	0.06
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2237000000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1917000000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	320000000	USD
CY2019	noc	Percentdecreaseincreasein Contractwith Customer Liability Current PercentdecreaseincreaseinContractwithCustomerLiabilityCurrent	0.17
CY2019Q4	noc	Net Contract Assets Liabilities NetContractAssetsLiabilities	3097000000	USD
CY2018Q4	noc	Net Contract Assets Liabilities NetContractAssetsLiabilities	3109000000	USD
CY2019	noc	Amountofincreasedecreaseinnetcontractassetsliabilities Amountofincreasedecreaseinnetcontractassetsliabilities	-12000000	USD
CY2019	noc	Percentincreasedecreaseinnetcontractassetsliabilities Percentincreasedecreaseinnetcontractassetsliabilities	0
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1300000000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1300000000	USD
CY2017	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1200000000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	953000000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	764000000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	639000000	USD
CY2019	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.028
CY2018	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.025
CY2017	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.025
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	380000000	USD
CY2018Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	316000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	12762000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	11741000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5850000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5369000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6912000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6372000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-51000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-98000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-147000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-144000000	USD
CY2019Q4	noc	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax And Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTaxAndAccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1000000	USD
CY2018Q4	noc	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax And Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTaxAndAccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-6000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-97000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52000000	USD
CY2018Q2	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	7700000000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	29000000	USD
	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Intangibles BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles	220000000	USD
	noc	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Othercurrentliabilities BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOthercurrentliabilities	114000000	USD
	noc	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Pensionandotherpostretirementbenefitplanliabilities BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPensionandotherpostretirementbenefitplanliabilities	56000000	USD
	noc	Business Combination Provisional Initial Accounting Incomplete Adjustments Other Non Current Liabilities BusinessCombinationProvisionalInitialAccountingIncompleteAdjustmentsOtherNonCurrentLiabilities	53000000	USD
	noc	Business Combination Provisional Initial Accounting Incomplete Adjustments Other Current Assets BusinessCombinationProvisionalInitialAccountingIncompleteAdjustmentsOtherCurrentAssets	44000000	USD
	noc	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Goodwill BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill	36000000	USD
CY2018Q2	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	7700000000	USD
CY2018Q2	us-gaap	Shares Outstanding SharesOutstanding	57562152	shares
CY2018Q2	us-gaap	Business Acquisition Share Price BusinessAcquisitionSharePrice	134.50
CY2018Q2	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	7742000000	USD
CY2018	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	32319000000	USD
CY2017	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	30634000000	USD
CY2018	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	3417000000	USD
CY2017	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	2938000000	USD
CY2018	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	19.57
CY2017	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	16.73
CY2017	noc	Pro Forma Adjustments Orbital Atkasc606 Salesadjustment ProFormaAdjustmentsOrbitalATKASC606Salesadjustment	21000000	USD
CY2017	noc	Pro Forma Adjustments Orbital Atkasc606 Costof Salesadjustment ProFormaAdjustmentsOrbitalATKASC606CostofSalesadjustment	21000000	USD
CY2018	noc	Pro Forma Adjustments Orbital At Kintercompanysaleselimination ProFormaAdjustmentsOrbitalATKintercompanysaleselimination	80000000	USD
CY2017	noc	Pro Forma Adjustments Orbital At Kintercompanysaleselimination ProFormaAdjustmentsOrbitalATKintercompanysaleselimination	155000000	USD
CY2018	noc	Pro Forma Adjustments Eliminationofnonrecurringtransactioncosts ProFormaAdjustmentsEliminationofnonrecurringtransactioncosts	71000000	USD
CY2017	noc	Pro Forma Adjustments Eliminationofnonrecurringtransactioncosts ProFormaAdjustmentsEliminationofnonrecurringtransactioncosts	57000000	USD
CY2018	noc	Pro Forma Adjustments Additionaldepreciationexpensenetofremovalofhistoricaldepreciation ProFormaAdjustmentsAdditionaldepreciationexpensenetofremovalofhistoricaldepreciation	8000000	USD
CY2017	noc	Pro Forma Adjustments Additionaldepreciationexpensenetofremovalofhistoricaldepreciation ProFormaAdjustmentsAdditionaldepreciationexpensenetofremovalofhistoricaldepreciation	40000000	USD
CY2017	noc	Pro Forma Adjustments Additionalinterestexpenseduetodebtissuedtofinancemerger ProFormaAdjustmentsAdditionalinterestexpenseduetodebtissuedtofinancemerger	208000000	USD
CY2018	noc	Pro Forma Adjustments Additionalamortizationexpensenetofremovalofhistoricalamortizationexpense ProFormaAdjustmentsAdditionalamortizationexpensenetofremovalofhistoricalamortizationexpense	90000000	USD
CY2017	noc	Pro Forma Adjustments Additionalamortizationexpensenetofremovalofhistoricalamortizationexpense ProFormaAdjustmentsAdditionalamortizationexpensenetofremovalofhistoricalamortizationexpense	290000000	USD
CY2018	noc	Pro Forma Adjustments Eliminationof Orbital At Kshistoricalamortizationofnetactuariallossesandpriorservicecreditsandrevisedpensionandotherpostretirementcosts ProFormaAdjustmentsEliminationofOrbitalATKshistoricalamortizationofnetactuariallossesandpriorservicecreditsandrevisedpensionandotherpostretirementcosts	51000000	USD
CY2017	noc	Pro Forma Adjustments Eliminationof Orbital At Kshistoricalamortizationofnetactuariallossesandpriorservicecreditsandrevisedpensionandotherpostretirementcosts ProFormaAdjustmentsEliminationofOrbitalATKshistoricalamortizationofnetactuariallossesandpriorservicecreditsandrevisedpensionandotherpostretirementcosts	110000000	USD
CY2018	noc	Income Tax Effectsof Pro Forma Adjustments IncomeTaxEffectsofProFormaAdjustments	-5000000	USD
CY2017	noc	Income Tax Effectsof Pro Forma Adjustments IncomeTaxEffectsofProFormaAdjustments	130000000	USD
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	700000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	900000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1200000	shares
CY2018Q4	noc	Accelerated Share Repurchase AcceleratedShareRepurchase	1000000000.0	USD
CY2018Q4	noc	Accelerated Share Repurchases Payment AcceleratedShareRepurchasesPayment	1000000000.0	USD
CY2018Q4	noc	Acceleratedsharerepurchaseinitialreceiptshares Acceleratedsharerepurchaseinitialreceiptshares	3000000.0	shares
CY2018Q4	noc	Accelerated Share Repurchase Initial Receipt Monetary AcceleratedShareRepurchaseInitialReceiptMonetary	800000000	USD
CY2019Q1	noc	Accelerated Share Repurchase Final Receipt Shares AcceleratedShareRepurchaseFinalReceiptShares	900000	shares
CY2019Q1	us-gaap	Accelerated Share Repurchases Final Price Paid Per Share AcceleratedShareRepurchasesFinalPricePaidPerShare	260.32
CY2019	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3200000	shares
CY2018	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3800000	shares
CY2017	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	1600000	shares
CY2019Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.10
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.32
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.20
CY2018Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.09
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.20
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.10
CY2018Q1	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.10
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.10
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2017Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.11
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
CY2019Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1359000000	USD
CY2018Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1482000000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	33000000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	34000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1326000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1448000000	USD
CY2019Q4	noc	Unbilled Contract Receivablenetofprogressandperformancebasedpayments UnbilledContractReceivablenetofprogressandperformancebasedpayments	5379000000	USD
CY2018Q4	noc	Unbilled Contract Receivablenetofprogressandperformancebasedpayments UnbilledContractReceivablenetofprogressandperformancebasedpayments	5065000000	USD
CY2019Q4	noc	Allowancefor Doubtful Unbilled Receivables AllowanceforDoubtfulUnbilledReceivables	45000000	USD
CY2018Q4	noc	Allowancefor Doubtful Unbilled Receivables AllowanceforDoubtfulUnbilledReceivables	39000000	USD
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5334000000	USD
CY2018Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5026000000	USD
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	476000000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	402000000	USD
CY2019Q4	us-gaap	Inventory For Long Term Contracts Or Programs General And Administrative Costs Included In Inventory InventoryForLongTermContractsOrProgramsGeneralAndAdministrativeCostsIncludedInInventory	31000000	USD
CY2018Q4	us-gaap	Inventory For Long Term Contracts Or Programs General And Administrative Costs Included In Inventory InventoryForLongTermContractsOrProgramsGeneralAndAdministrativeCostsIncludedInInventory	16000000	USD
CY2019Q4	us-gaap	Inventory Finished Goods And Work In Process Net Of Reserves InventoryFinishedGoodsAndWorkInProcessNetOfReserves	507000000	USD
CY2018Q4	us-gaap	Inventory Finished Goods And Work In Process Net Of Reserves InventoryFinishedGoodsAndWorkInProcessNetOfReserves	418000000	USD
CY2019Q4	us-gaap	Progress Payments Netted Against Inventory For Long Term Contracts Or Programs ProgressPaymentsNettedAgainstInventoryForLongTermContractsOrPrograms	41000000	USD
CY2018Q4	us-gaap	Progress Payments Netted Against Inventory For Long Term Contracts Or Programs ProgressPaymentsNettedAgainstInventoryForLongTermContractsOrPrograms	41000000	USD
CY2019Q4	noc	Inventoried Costs Net Of Progress Payments InventoriedCostsNetOfProgressPayments	466000000	USD
CY2018Q4	noc	Inventoried Costs Net Of Progress Payments InventoriedCostsNetOfProgressPayments	377000000	USD
CY2019Q4	us-gaap	Other Inventory Net Of Reserves OtherInventoryNetOfReserves	317000000	USD
CY2018Q4	us-gaap	Other Inventory Net Of Reserves OtherInventoryNetOfReserves	277000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	783000000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	654000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	285000000	USD
CY2018	noc	Effective Income Tax Reconciliationchangeinenactedtaxratedueto2017 Tax Actamount EffectiveIncomeTaxReconciliationchangeinenactedtaxratedueto2017TaxActamount	5000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	758000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	292000000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	449000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-474000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	213000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	907000000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	284000000	USD
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	505000000	USD
CY2017	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1356000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	10000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	7000000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8000000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	6000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1000000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4000000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	16000000	USD
CY2018	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	8000000	USD
CY2017	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	4000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	513000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1360000000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	535000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	786000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1480000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	14000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.005
CY2018	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	27000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.007
CY2017	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	48000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.011
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	216000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.085
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	186000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.050
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	130000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.031
CY2019	noc	Income Tax Reconciliation Deductions Fdii IncomeTaxReconciliationDeductionsFDII	28000000	USD
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CY2018	noc	Income Tax Reconciliation Deductions Fdii IncomeTaxReconciliationDeductionsFDII	16000000	USD
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CY2017	noc	Income Tax Reconciliation Deductions Fdii IncomeTaxReconciliationDeductionsFDII	0	USD
CY2017	noc	Income Tax Reconciliation Deductions Fdii Percent IncomeTaxReconciliationDeductionsFDIIPercent	0
CY2019	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0
CY2018	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	97000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.023
CY2019	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0
CY2018	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	0	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0
CY2017	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-42000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.010
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-84000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	-0.022
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	285000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0.068
CY2019	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialamount EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialamount	0	USD
CY2019	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialpercent EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialpercent	0
CY2018	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialamount EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialamount	0	USD
CY2018	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialpercent EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialpercent	0
CY2017	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialamount EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialamount	72000000	USD
CY2017	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialpercent EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialpercent	0.017
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	23000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	40000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-16000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.118
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	513000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	142000000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.137
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1360000000	USD
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.322
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.118
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.137
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CY2019	noc	Effective Income Tax Rate Reconciliation Increasein Research Tax Credits EffectiveIncomeTaxRateReconciliationIncreaseinResearchTaxCredits	30000000	USD
CY2019	noc	Effective Tax Rate Reconciliation Increasein Foreign Derived Intangible Income EffectiveTaxRateReconciliationIncreaseinForeignDerivedIntangibleIncome	12000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-84000000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.137
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.322
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	noc	Effective Income Tax Rate Reconciliation Increasein Research Tax Credits EffectiveIncomeTaxRateReconciliationIncreaseinResearchTaxCredits	56000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	285000000	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	97000000	USD
CY2017	noc	Effective Tax Rate Reconciliation Markto Marketbenefittaxratedifferentialamount EffectiveTaxRateReconciliationMarktoMarketbenefittaxratedifferentialamount	72000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	324000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	270000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	517000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	748000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	283000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	135000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	158000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	293000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	102000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	400000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	207000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	110000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	65000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	23000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	44000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	15000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	7000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	20000000	USD
CY2019	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	3000000	USD
CY2018	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	5000000	USD
CY2017	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	475000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	465000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	148000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1223000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	748000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	283000000	USD
CY2019	noc	Unrecognized Tax Benefits Increaseresultingfrom2017 Tax Act UnrecognizedTaxBenefitsIncreaseresultingfrom2017TaxAct	319000000	USD
CY2019Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	60000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	56000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	570000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1827000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1541000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	336000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	308000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	166000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	139000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	684000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	650000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	38000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	42000000	USD
CY2019Q4	noc	Deferred Tax Asset Lease Liabilities DeferredTaxAssetLeaseLiabilities	411000000	USD
CY2018Q4	noc	Deferred Tax Asset Lease Liabilities DeferredTaxAssetLeaseLiabilities	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	166000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	174000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	73000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	59000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3701000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	2913000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	160000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3541000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2771000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	515000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	511000000	USD
CY2019Q4	noc	Deferred Tax Liabilities Purchase Intangibles DeferredTaxLiabilitiesPurchaseIntangibles	262000000	USD
CY2018Q4	noc	Deferred Tax Liabilities Purchase Intangibles DeferredTaxLiabilitiesPurchaseIntangibles	346000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	584000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	518000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	404000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	1225000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	1381000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	43000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	29000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3033000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2785000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	508000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	14000000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	324000000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	310000000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	121000000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	32000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	12455000000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	6222000000	USD
CY2018	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	-5000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	18672000000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	37000000	USD
CY2019	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	-1000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	18708000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	3356000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	3356000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2316000000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	64000000	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	73000000	USD
CY2019Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	13879000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1984000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1040000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1372000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	332000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	203000000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	262000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	204000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	197000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	78000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	55000000	USD
CY2019Q4	us-gaap	Marketable Securities MarketableSecurities	382000000	USD
CY2018Q4	us-gaap	Marketable Securities MarketableSecurities	335000000	USD
CY2019Q4	us-gaap	Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	98000000	USD
CY2018Q4	us-gaap	Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	114000000	USD
CY2019Q4	us-gaap	Foreign Currency Cash Flow Hedge Derivative At Fair Value Net ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet	7000000	USD
CY2018Q4	us-gaap	Foreign Currency Cash Flow Hedge Derivative At Fair Value Net ForeignCurrencyCashFlowHedgeDerivativeAtFairValueNet	0	USD
CY2019	us-gaap	Line Of Credit Facility Covenant Terms LineOfCreditFacilityCovenantTerms	The company also cannot permit the ratio of its debt to capitalization (as set forth in the credit agreements) to exceed 65 percent.
CY2019	us-gaap	Line Of Credit Facility Covenant Compliance LineOfCreditFacilityCovenantCompliance	the company was in compliance with all covenants under its credit agreements.
CY2019Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	272000000	USD
CY2018Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	272000000	USD
CY2018Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	14400000000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1109000000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	517000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	12770000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	13883000000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	15100000000	USD
CY2018Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	14300000000	USD
CY2019	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	521000000	USD
CY2018	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	456000000	USD
CY2017	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	273000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1110000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	742000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1505000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1053000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	3000000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	9532000000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	13945000000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	2000000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	64000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	13879000000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	531000000	USD
CY2019Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	448000000	USD
CY2019Q4	us-gaap	Recorded Third Party Environmental Recoveries Amount RecordedThirdPartyEnvironmentalRecoveriesAmount	436000000	USD
CY2018Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	461000000	USD
CY2018Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	374000000	USD
CY2018Q4	us-gaap	Recorded Third Party Environmental Recoveries Amount RecordedThirdPartyEnvironmentalRecoveriesAmount	343000000	USD
CY2019Q4	noc	Standby Unused Letters Of Creditandbankguarantees StandbyUnusedLettersOfCreditandbankguarantees	498000000	USD
CY2019Q4	noc	Surety Bond Outstanding SuretyBondOutstanding	182000000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	481000000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	403000000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	344000000	USD
CY2017	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	-79000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	35000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	44000000	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	-79000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	19000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	60000000	USD
CY2019	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	-62000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	15000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	47000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	36500000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	31900000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	312000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	34715000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	30259000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	34305000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	29961000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	28324000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	25101000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	32038000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	28397000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2000000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	2048000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	2086000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	2129000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	2175000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	11332000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	127000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	86000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	94000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	14000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	27000000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	48000000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	101000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y3M18D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1148000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	167
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y3M18D
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	397000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	233
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	521000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	152
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	86000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	198
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	938000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	192
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	376000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	321
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	455000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	181
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	63000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	250
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	796000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	244
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y9M18D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	339000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	274
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	383000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	222
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	51000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	280
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	701000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	278
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y10M24D
CY2019	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	119000000	USD
CY2018	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	93000000	USD
CY2017	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	96000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	318000000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	11000000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	75000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	404000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1511000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	261000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1308000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1569000000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	307000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	462000000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y7M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.038	Rate
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	300000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	262000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	224000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	185000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	146000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	875000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1992000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	423000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1569000000	USD
CY2019Q4	noc	Lessee Operating Lease Lease Notyet Commenced Value LesseeOperatingLeaseLeaseNotyetCommencedValue	125000000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	375000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	300000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	270000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	221000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	863000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	186000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	152000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	939000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2080000000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2019	us-gaap	Revenues Revenues	33841000000	USD
CY2018	us-gaap	Revenues Revenues	30095000000	USD
CY2017	us-gaap	Revenues Revenues	26004000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	3969000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	3780000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	3218000000	USD
CY2019	us-gaap	Revenues Revenues	33841000000	USD
CY2019	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2018	us-gaap	Revenues Revenues	30095000000	USD
CY2018	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2017	us-gaap	Revenues Revenues	26004000000	USD
CY2017	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2019	us-gaap	Revenues Revenues	33841000000	USD
CY2018	us-gaap	Revenues Revenues	30095000000	USD
CY2017	us-gaap	Revenues Revenues	26004000000	USD
CY2019	us-gaap	Revenues Revenues	33841000000	USD
CY2018	us-gaap	Revenues Revenues	30095000000	USD
CY2017	us-gaap	Revenues Revenues	26004000000	USD
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.52
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.15
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.07
CY2019Q4	us-gaap	Assets Assets	41089000000	USD
CY2018Q4	us-gaap	Assets Assets	37653000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1264000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1249000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	928000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1018000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	800000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	475000000	USD
CY2019Q1	us-gaap	Revenues Revenues	8189000000	USD
CY2019Q2	us-gaap	Revenues Revenues	8456000000	USD
CY2019Q3	us-gaap	Revenues Revenues	8475000000	USD
CY2019Q4	us-gaap	Revenues Revenues	8721000000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	936000000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	946000000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	951000000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	1136000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	861000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	933000000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-409000000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.08
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.07
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.52
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.43
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.06
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.06
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.49
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.43
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	170000000.0	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	169700000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	169100000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	168400000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	170700000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	170300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169900000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	168400000	shares
CY2018Q1	us-gaap	Revenues Revenues	6735000000	USD
CY2018Q2	us-gaap	Revenues Revenues	7119000000	USD
CY2018Q3	us-gaap	Revenues Revenues	8085000000	USD
CY2018Q4	us-gaap	Revenues Revenues	8156000000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	848000000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	817000000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1172000000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	943000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	840000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	789000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	1244000000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	356000000	USD
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.82
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.79
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.50
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.11
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.06
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174300000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174500000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174100000	shares
CY2018Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	171800000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	175400000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	175400000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	174900000	shares
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	172600000	shares

Files In Submission

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0001133421-20-000020-index-headers.html	Edgar Link	pending
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$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc

2019 Form 8-K Financial Statement

#000113342120000020 Filed on April 29, 2020

Income Statement

Balance Sheet

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Facts In Submission

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$NOC NORTHROP GRUMMAN CORP /DE/ Stock $noc

2019 Form 8-K Financial Statement

#000113342120000020 Filed on April 29, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc