$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc

$noc Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000113342124000006 Filed on January 25, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$10.13B	$10.64B	$39.29B
YoY Change	8.95%	6.03%	7.34%
Cost Of Revenue	$8.000B	$10.15B	$32.74B
YoY Change	9.35%	23.68%	12.4%
Gross Profit	$2.133B	$485.0M	$6.551B
YoY Change	7.46%	-73.41%	-12.35%
Gross Profit Margin	21.05%	4.56%	16.67%
Selling, General & Admin	$1.062B	$878.0M	$2.814B
YoY Change	2.31%	-4.36%	5.27%
% of Gross Profit	49.79%	181.03%	42.96%
Research & Development			$1.200B
YoY Change			0.0%
% of Gross Profit			18.32%
Depreciation & Amortization	$299.0M	$400.0M	$1.338B
YoY Change	0.34%	4.71%	-0.3%
% of Gross Profit	14.02%	82.47%	20.42%
Operating Expenses	$9.062B	$878.0M	$36.75B
YoY Change	8.47%	-4.36%	11.37%
Operating Profit	$1.071B	-$393.0M	$2.537B
YoY Change	13.09%	-143.38%	-29.55%
Interest Expense	-$146.0M	-$128.0M	-$545.0M
YoY Change	13.18%	6.67%	7.71%
% of Operating Profit	-13.63%		-21.48%
Other Income/Expense, Net	$38.00M	-$236.0M	$246.0M
YoY Change	-20.83%	-114.17%	6050.0%
Pretax Income	$1.131B	-$757.0M	$2.346B
YoY Change	13.33%	-130.87%	-59.8%
Income Tax	$187.0M	-$222.0M	$290.0M
% Of Pretax Income	16.53%		12.36%
Net Earnings	$944.0M	-$535.0M	$2.056B
YoY Change	12.11%	-125.72%	-58.01%
Net Earnings / Revenue	9.32%	-5.03%	5.23%
Basic Earnings Per Share	$6.34		$13.57
Diluted Earnings Per Share	$6.32	-$3.55	$13.53
COMMON SHARES
Basic Shares Outstanding	150.0M shares	150.8M shares	151.5M shares
Diluted Shares Outstanding	149.3M shares		152.0M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.404B	$3.448B	$3.109B
YoY Change	20.33%	18.53%	20.64%
Cash & Equivalents	$3.061B	$3.109B	$3.109B
Short-Term Investments	$343.0M	$339.0M
Other Short-Term Assets	$2.083B	$2.341B	$2.341B
YoY Change	125.43%	62.68%	62.68%
Inventory	$1.370B	$1.109B	$1.109B
Prepaid Expenses
Receivables	$1.832B	$1.454B	$7.147B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$14.80B	$13.71B	$13.71B
YoY Change	15.5%	9.75%	9.75%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.690B	$9.653B	$11.47B
YoY Change	9.64%	9.69%	8.1%
Goodwill	$17.52B	$17.52B
YoY Change	-0.01%	0.01%
Intangibles	$290.0M	$305.0M
YoY Change	-20.33%	-20.57%
Long-Term Investments	$343.0M	$339.0M	$339.0M
YoY Change	2.69%	2.11%	2.11%
Other Assets	$2.641B	$2.525B	$3.206B
YoY Change	-2.29%	-2.66%	32.26%
Total Long-Term Assets	$33.02B	$32.84B	$32.84B
YoY Change	5.05%	5.02%	5.02%
TOTAL ASSETS
Total Short-Term Assets	$14.80B	$13.71B	$13.71B
Total Long-Term Assets	$33.02B	$32.84B	$32.84B
Total Assets	$47.82B	$46.54B	$46.54B
YoY Change	8.08%	6.37%	6.37%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.580B	$2.110B	$2.110B
YoY Change	20.79%	-18.44%	-18.44%
Accrued Expenses	$1.927B	$2.474B	$2.774B
YoY Change	4.39%	9.71%	8.61%
Deferred Revenue	$3.530B	$4.193B
YoY Change	9.93%	16.18%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.582B	$70.00M	$70.00M
YoY Change	46.21%	-93.47%	-93.47%
Total Short-Term Liabilities	$13.13B	$11.94B	$11.94B
YoY Change	25.27%	3.06%	3.06%
LONG-TERM LIABILITIES
Long-Term Debt	$14.74B	$13.79B	$13.79B
YoY Change	7.06%	16.78%	16.78%
Other Long-Term Liabilities	$2.641B	$2.839B	$6.021B
YoY Change	39.51%	48.87%	22.4%
Total Long-Term Liabilities	$17.38B	$16.63B	$19.81B
YoY Change	10.98%	21.24%	18.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$13.13B	$11.94B	$11.94B
Total Long-Term Liabilities	$17.38B	$16.63B	$19.81B
Total Liabilities	$33.60B	$31.75B	$31.75B
YoY Change	15.42%	11.62%	11.62%
SHAREHOLDERS EQUITY
Retained Earnings	$14.22B	$14.77B
YoY Change	-6.06%	-3.52%
Common Stock	$148.0M	$150.0M
YoY Change	-2.63%	-1.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$14.22B	$14.80B	$14.80B
YoY Change
Total Liabilities & Shareholders Equity	$47.82B	$46.54B	$46.54B
YoY Change	8.08%	6.37%	6.37%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$944.0M	-$535.0M	$2.056B
YoY Change	12.11%	-125.72%	-58.01%
Depreciation, Depletion And Amortization	$299.0M	$400.0M	$1.338B
YoY Change	0.34%	4.71%	-0.3%
Cash From Operating Activities	-$706.0M	$2.430B	$3.875B
YoY Change	0.57%	7.95%	33.57%
INVESTING ACTIVITIES
Capital Expenditures	$270.0M	$803.0M	$1.775B
YoY Change	-12.62%	-227.06%	23.69%
Acquisitions
YoY Change
Other Investing Activities	-$1.000M	$33.00M	$4.000M
YoY Change		-38.89%	-110.26%
Cash From Investing Activities	-$269.0M	-$770.0M	-$1.582B
YoY Change	-12.94%	33.22%	27.48%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$1.500B
YoY Change			-0.27%
Debt Paid & Issued, Net			$1.050B
YoY Change
Cash From Financing Activities	$927.0M	-633.0M	-$1.761B
YoY Change	-0.22%	-16.93%	-32.61%
NET CHANGE
Cash From Operating Activities	-$706.0M	2.430B	$3.875B
Cash From Investing Activities	-$269.0M	-770.0M	-$1.582B
Cash From Financing Activities	$927.0M	-633.0M	-$1.761B
Net Change In Cash	-$48.00M	1.027B	$532.0M
YoY Change	-41.46%	12.73%	-155.82%
FREE CASH FLOW
Cash From Operating Activities	-$706.0M	$2.430B	$3.875B
Capital Expenditures	$270.0M	$803.0M	$1.775B
Free Cash Flow	-$976.0M	$1.627B	$2.100B
YoY Change	-3.46%	-43.57%	43.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Entity Registrant Name EntityRegistrantName	NORTHROP GRUMMAN CORP /DE/
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001133421
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	80-0640649
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	2980 Fairview Park Drive
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Falls Church,
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22042
CY2023	dei	City Area Code CityAreaCode	703
CY2023	dei	Local Phone Number LocalPhoneNumber	280-2900
CY2023	dei	Security12b Title Security12bTitle	Common Stock
CY2023	dei	Trading Symbol TradingSymbol	NOC
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	68900000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	150035705	shares
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Location AuditorLocation	McLean, Virginia
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CY2022	us-gaap	Net Income Loss NetIncomeLoss	4896000000	usd
CY2023	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1338000000	usd
CY2022	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1342000000	usd
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1239000000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	422000000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-1232000000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	-2355000000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	87000000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	99000000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	94000000	usd
CY2023	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-988000000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-321000000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	603000000	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	1980000000	usd
CY2023	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	1559000000	usd
CY2022	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	usd
CY2021	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	usd
CY2023	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-308000000	usd
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1193000000	usd
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1091000000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	139000000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	136000000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	141000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-54000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	44000000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10000000	usd
CY2023	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-247000000	usd
CY2022	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	646000000	usd
CY2021	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	414000000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	220000000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	205000000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	52000000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	86000000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2000000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-66000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	519000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	572000000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	376000000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-658000000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-279000000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	215000000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	8000000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-46000000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-12000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3875000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2901000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3567000000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	3400000000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1775000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1435000000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1415000000	usd
CY2023	noc	Cash Flow From Sale Of Equipment To A Customer CashFlowFromSaleOfEquipmentToACustomer	0	usd
CY2022	noc	Cash Flow From Sale Of Equipment To A Customer CashFlowFromSaleOfEquipmentToACustomer	155000000	usd
CY2021	noc	Cash Flow From Sale Of Equipment To A Customer CashFlowFromSaleOfEquipmentToACustomer	84000000	usd
CY2023	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	197000000	usd
CY2022	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-39000000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	11000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1582000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1241000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	2058000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1995000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1050000000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2236000000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1500000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1504000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3705000000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1116000000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1052000000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	983000000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	52000000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	50000000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	34000000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-38000000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-7000000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-44000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1761000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2613000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7002000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	532000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-953000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1377000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2577000000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3530000000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4907000000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3109000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2577000000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3530000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	14795000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	15312000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	12926000000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	7.34
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	6.76
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	6.16
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Accounting Estimates</span></div><div style="margin-bottom:5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The company’s consolidated financial statements are prepared in conformity with U.S. GAAP. 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>
CY2023	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	298000000	usd
CY2022	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	447000000	usd
CY2021	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	568000000	usd
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	84200000000	usd
CY2023	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Explanation RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionExplanation	Of our December 31, 2023 backlog, we expect to recognize approximately 40 percent as revenue over the next 12 months and 65 percent as revenue over the next 24 months, with the remainder to be recognized thereafter.
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.40
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.65
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P24M
CY2024Q1	noc	Backlog Reduction Due To Contract Termination BacklogReductionDueToContractTermination	-2000000000	usd
CY2023Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5693000000	usd
CY2022Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5983000000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-290000000	usd
CY2023	noc	Percentincreasedecreasein Contract Asset PercentincreasedecreaseinContractAsset	-0.05
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4193000000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3609000000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	584000000	usd
CY2023	noc	Percentdecreaseincreasein Contractwith Customer Liability Current PercentdecreaseincreaseinContractwithCustomerLiabilityCurrent	0.16
CY2023Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	1500000000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	2374000000	usd
CY2023	noc	Amountofincreasedecreaseinnetcontractassetsliabilities Amountofincreasedecreaseinnetcontractassetsliabilities	-874000000	usd
CY2023	noc	Percentincreasedecreaseinnetcontractassetsliabilities Percentincreasedecreaseinnetcontractassetsliabilities	-0.37
CY2023	noc	Percentincreasedecreaseinnetcontractassetsliabilities Percentincreasedecreaseinnetcontractassetsliabilities	-0.37
CY2023	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3100000000	usd
CY2022	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2400000000	usd
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2000000000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1200000000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1200000000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1100000000	usd
CY2023	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.03
CY2022	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.033
CY2021	noc	Researchand Developmentasa Percentof Sales ResearchandDevelopmentasaPercentofSales	0.032
CY2023Q4	us-gaap	Inventory For Long Term Contracts Or Programs General And Administrative Costs Included In Inventory InventoryForLongTermContractsOrProgramsGeneralAndAdministrativeCostsIncludedInInventory	65000000	usd
CY2022Q4	us-gaap	Inventory For Long Term Contracts Or Programs General And Administrative Costs Included In Inventory InventoryForLongTermContractsOrProgramsGeneralAndAdministrativeCostsIncludedInInventory	59000000	usd
CY2023Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	399000000	usd
CY2022Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	367000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	17617000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	16058000000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7964000000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7258000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9653000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8800000000	usd
CY2020	noc	Revenue From Sale Of Equipment To A Customer RevenueFromSaleOfEquipmentToACustomer	444000000	usd
CY2022	noc	Cash Flow From Sale Of Equipment To A Customer CashFlowFromSaleOfEquipmentToACustomer	155000000	usd
CY2021	noc	Cash Flow From Sale Of Equipment To A Customer CashFlowFromSaleOfEquipmentToACustomer	84000000	usd
CY2022	us-gaap	Noncash Investing And Financing Activities Related Text NoncashInvestingAndFinancingActivitiesRelatedText	During the year ended December 31, 2022, the company acquired $46 million of internal use software through long-term financing directly with the supplier. The software was recorded in PP&E as a non-cash investing activity and the related liability was recorded in long-term debt as a non-cash financing activity. During the years ended December 31, 2023 and 2022, the company received lease incentives for landlord funded leasehold improvements of $55 million and $96 million, respectively, related to Space Systems real estate leases, which were recorded in PP&E and included in non-cash investing activities. On December 28, 2022 the company acquired certain leased land in exchange for company-owned land, which had been used previously for production-related activities at Space Systems. The exchange was accounted for as a nonmonetary transaction, and the acquired land, valued at approximately $155 million, was recorded in PP&E as a non-cash investing activity. The transaction resulted in a $96 million gain, which was reflected in operating costs and expenses in the consolidated statements of earnings and comprehensive income.Non-cash investing activities also include capital expenditures incurred but not yet paid of $75 million, $113 million and $91 million as of December 31, 2023, 2022 and 2021, respectively.
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	96000000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	75000000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	113000000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	91000000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-138000000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-161000000	usd
CY2023Q4	noc	Accumulated Other Comprehensive Income Loss Other Components Net Of Tax AccumulatedOtherComprehensiveIncomeLossOtherComponentsNetOfTax	10000000	usd
CY2022Q4	noc	Accumulated Other Comprehensive Income Loss Other Components Net Of Tax AccumulatedOtherComprehensiveIncomeLossOtherComponentsNetOfTax	8000000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-128000000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-153000000	usd
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.57
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.45
CY2021Q1	us-gaap	Disposal Group Including Discontinued Operation Consideration DisposalGroupIncludingDiscontinuedOperationConsideration	3400000000	usd
CY2021	noc	Pre Tax Gain On Sale Of Business PreTaxGainOnSaleOfBusiness	2000000000	usd
CY2021	noc	Revenue From Individually Significant Component Disposed Of Or Held For Sale Excluding Discontinued Operations Attributable To Parent Before Income Tax RevenueFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsAttributableToParentBeforeIncomeTax	162000000	usd
CY2021	us-gaap	Income Loss From Individually Significant Component Disposed Of Or Held For Sale Excluding Discontinued Operations Attributable To Parent Before Income Tax IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsAttributableToParentBeforeIncomeTax	20000000	usd
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	700000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	600000	shares
CY2023Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	3600000000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3300000	shares
CY2022	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3300000	shares
CY2021	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	10600000	shares
CY2023Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.08
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.87
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
CY2022Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.10
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.57
CY2021Q2	noc	Increase Decreasein Stock Dividend Percentage IncreaseDecreaseinStockDividendPercentage	0.08
CY2023Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1460000000	usd
CY2022Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1519000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8000000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1454000000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1511000000	usd
CY2023Q4	noc	Unbilled Contract Receivablenetofprogressandperformancebasedpayments UnbilledContractReceivablenetofprogressandperformancebasedpayments	5710000000	usd
CY2022Q4	noc	Unbilled Contract Receivablenetofprogressandperformancebasedpayments UnbilledContractReceivablenetofprogressandperformancebasedpayments	6002000000	usd
CY2023Q4	noc	Allowance For Expected Credit Losses Unbilled Receivables AllowanceForExpectedCreditLossesUnbilledReceivables	17000000	usd
CY2022Q4	noc	Allowance For Expected Credit Losses Unbilled Receivables AllowanceForExpectedCreditLossesUnbilledReceivables	19000000	usd
CY2023Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5693000000	usd
CY2022Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5983000000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	15000000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3000000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6000000	usd
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CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	17000000	usd
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CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	940000000	usd
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CY2022Q4	us-gaap	Inventory Net InventoryNet	978000000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	949000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1289000000	usd
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CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	936000000	usd
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CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1933000000	usd
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CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1877000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
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CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.089
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CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.030
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	192000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.022
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	-63000000	usd
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CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	-66000000	usd
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CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	-50000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	-0.006
CY2023	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwill	0	usd
CY2023	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill Percent IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwillPercent	0
CY2022	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwill	0	usd
CY2022	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill Percent IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwillPercent	0
CY2021	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwill	250000000	usd
CY2021	noc	Income Tax Reconciliation Deductions It Services Divestiture Goodwill Percent IncomeTaxReconciliationDeductionsITServicesDivestitureGoodwillPercent	0.028
CY2023	us-gaap	Income Tax Reconciliation Tax Settlements Domestic IncomeTaxReconciliationTaxSettlementsDomestic	-1000000	usd
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CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements Domestic EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic	0
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	69000000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.029
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	22000000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.004
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	17000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.002
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2000000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
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CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	31000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.004
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	290000000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.124
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	940000000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.161
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1933000000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.216
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.124
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.161
CY2023	noc	Significantmattersaffectingeffectivetaxratecomparabilitypercent Significantmattersaffectingeffectivetaxratecomparabilitypercent	0.038
CY2022	noc	Significantmattersaffectingeffectivetaxratecomparabilitypercent Significantmattersaffectingeffectivetaxratecomparabilitypercent	-0.012
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.161
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.216
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CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1200000000	usd
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CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1300000000	usd
CY2023Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	1500000000	usd
CY2022Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	850000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1663000000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1630000000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1481000000	usd
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CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	262000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	355000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	254000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	6000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	47000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	9000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	124000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	251000000	usd
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CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	110000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	usd
CY2023	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	1000000	usd
CY2022	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	1000000	usd
CY2021	noc	Unrecognized Tax Benefits Other UnrecognizedTaxBenefitsOther	1000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	331000000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1994000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1663000000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1630000000	usd
CY2023Q4	noc	Unrecognized Tax Benefit Related To Methods Of Accounting UnrecognizedTaxBenefitRelatedToMethodsOfAccounting	2000000000	usd
CY2023Q4	noc	Unrecognized Tax Benefits Related To Methods Of Accounting451b UnrecognizedTaxBenefitsRelatedToMethodsOfAccounting451b	843000000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	848000000	usd
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CY2023Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	615000000	usd
CY2023Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	358000000	usd
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CY2023Q4	us-gaap	Marketable Securities MarketableSecurities	339000000	usd
CY2022Q4	us-gaap	Marketable Securities MarketableSecurities	332000000	usd
CY2023	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 agreement) to exceed 65 percent.
CY2023	us-gaap	Line Of Credit Facility Covenant Compliance LineOfCreditFacilityCovenantCompliance	the company was in compliance with all covenants under its credit agreement.
CY2023Q1	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	2000000000	usd
CY2021Q1	noc	A2021 Note Face Amount A2021NoteFaceAmount	700000000	usd
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CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	70000000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1072000000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	13786000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	11805000000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	13400000000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	12100000000	usd
CY2023	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	437000000	usd
CY2022	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	474000000	usd
CY2021	noc	Interest Paid Net Of Interest Received InterestPaidNetOfInterestReceived	570000000	usd
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	95000000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	53000000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	17000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	70000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1582000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	530000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	754000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	2043000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	8963000000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	13942000000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	17000000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	69000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	13856000000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	584000000	usd
CY2023Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	387000000	usd
CY2023Q4	us-gaap	Recorded Third Party Environmental Recoveries Amount RecordedThirdPartyEnvironmentalRecoveriesAmount	518000000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	565000000	usd
CY2022Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	353000000	usd
CY2022Q4	us-gaap	Recorded Third Party Environmental Recoveries Amount RecordedThirdPartyEnvironmentalRecoveriesAmount	486000000	usd
CY2023Q4	noc	Standby Unused Letters Of Creditandbankguarantees StandbyUnusedLettersOfCreditandbankguarantees	411000000	usd
CY2023Q4	noc	Surety Bond Outstanding SuretyBondOutstanding	263000000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	634000000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	558000000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	588000000	usd
CY2021	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	-10000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	2000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	8000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-1000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-1000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1000000	usd
CY2023Q4	noc	Actual Percent Return On Plan Assets ActualPercentReturnOnPlanAssets	0.111
CY2023	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	2100000000	usd
CY2023	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1600000000	usd
CY2023Q4	noc	Yearly Discount Rate Change In Basis Points YearlyDiscountRateChangeInBasisPoints	-39
CY2023	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	2100000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	30100000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	28800000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	1152000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	1126000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	1143000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	1117000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	3000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	2000000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y4M24D
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	31525000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	30146000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2146000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	2195000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	2226000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	2236000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	2254000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	11275000000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	87000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	99000000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	94000000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9000000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10000000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-2000000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	96000000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y3M18D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	603000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	311
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	304000	shares
CY2021	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	296
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-269000	shares
CY2021	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	286
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-58000	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	318
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	580000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	314
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y4M24D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	238000	shares
CY2022	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	397
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-226000	shares
CY2022	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	327
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-31000	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	320
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	561000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	344
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y4M24D
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	216000	shares
CY2023	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	478
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-249000	shares
CY2023	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	315
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-29000	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	373
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	499000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	417
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y3M18D
CY2023	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	99000000	usd
CY2022	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	93000000	usd
CY2021	noc	Stock Issued During Period Fair Value Grant Date Share Based Compensation StockIssuedDuringPeriodFairValueGrantDateShareBasedCompensation	103000000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	358000000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	332000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	315000000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	48000000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	35000000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	31000000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	69000000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	51000000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	80000000	usd
CY2023	us-gaap	Lease Cost LeaseCost	475000000	usd
CY2022	us-gaap	Lease Cost LeaseCost	418000000	usd
CY2021	us-gaap	Lease Cost LeaseCost	426000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1818000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1811000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	300000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	299000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1892000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1824000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2192000000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2123000000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	341000000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	316000000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	314000000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	438000000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y2M12D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039	rate
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.034	rate
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	363000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	354000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	307000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	252000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	222000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1235000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2733000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	-541000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2192000000	usd
CY2023Q4	noc	Lessee Operating Lease Lease Notyet Commenced Value LesseeOperatingLeaseLeaseNotyetCommencedValue	270000000	usd
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2023	us-gaap	Revenues Revenues	39290000000	usd
CY2022	us-gaap	Revenues Revenues	36602000000	usd
CY2021	us-gaap	Revenues Revenues	35667000000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	2537000000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	3601000000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	5651000000	usd
CY2023	us-gaap	Interest And Debt Expense InterestAndDebtExpense	545000000	usd
CY2022	us-gaap	Interest And Debt Expense InterestAndDebtExpense	506000000	usd
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	556000000	usd
CY2023	noc	Net Fa Snonservice Pension Benefit Expense NetFASnonservicePensionBenefitExpense	530000000	usd
CY2022	noc	Net Fa Snonservice Pension Benefit Expense NetFASnonservicePensionBenefitExpense	1505000000	usd
CY2021	noc	Net Fa Snonservice Pension Benefit Expense NetFASnonservicePensionBenefitExpense	1469000000	usd
CY2023	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-422000000	usd
CY2022	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	1232000000	usd
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	2355000000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	246000000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4000000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	19000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2346000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5836000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8938000000	usd
CY2021	noc	Pre Tax Gain On Sale Of Business PreTaxGainOnSaleOfBusiness	2000000000	usd
CY2021	noc	Unallowable State Taxes And Transactions Costs From Divestiture UnallowableStateTaxesAndTransactionsCostsFromDivestiture	192000000	usd
CY2023	us-gaap	Revenues Revenues	39290000000	usd
CY2023	noc	Revenuefrom Contractwith Customer Percentage RevenuefromContractwithCustomerPercentage	1
CY2022	us-gaap	Revenues Revenues	36602000000	usd
CY2022	noc	Revenuefrom Contractwith Customer Percentage RevenuefromContractwithCustomerPercentage	1
CY2021	us-gaap	Revenues Revenues	35667000000	usd
CY2021	noc	Revenuefrom Contractwith Customer Percentage RevenuefromContractwithCustomerPercentage	1
CY2023	us-gaap	Revenues Revenues	39290000000	usd
CY2022	us-gaap	Revenues Revenues	36602000000	usd
CY2021	us-gaap	Revenues Revenues	35667000000	usd
CY2023	us-gaap	Revenues Revenues	39290000000	usd
CY2022	us-gaap	Revenues Revenues	36602000000	usd
CY2021	us-gaap	Revenues Revenues	35667000000	usd
CY2023	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	1775000000	usd
CY2022	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	1435000000	usd
CY2021	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	1415000000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1338000000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1342000000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1239000000	usd
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	34

Files In Submission

Name	View Source	Status
0001133421-24-000006-index-headers.html	Edgar Link	pending
0001133421-24-000006-index.html	Edgar Link	pending
0001133421-24-000006.txt	Edgar Link	pending
0001133421-24-000006-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
noc-12312023xex10fviii.htm	Edgar Link	pending
noc-12312023xex21.htm	Edgar Link	pending
noc-12312023xex23.htm	Edgar Link	pending
noc-12312023xex24.htm	Edgar Link	pending
noc-12312023xex311.htm	Edgar Link	pending
noc-12312023xex312.htm	Edgar Link	pending
noc-12312023xex321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
noc-12312023xex322.htm	Edgar Link	pending
noc-12312023xex97.htm	Edgar Link	pending
noc-20231231.htm	Edgar Link	pending
noc-20231231.xsd	Edgar Link	pending
noc-20231231_g1.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
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R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
noc-20231231_pre.xml	Edgar Link	unprocessable
noc-20231231_htm.xml	Edgar Link	completed
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
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R76.htm	Edgar Link	pending
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R78.htm	Edgar Link	pending
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R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
noc-20231231_def.xml	Edgar Link	unprocessable
noc-20231231_cal.xml	Edgar Link	unprocessable
noc-20231231_lab.xml	Edgar Link	unprocessable

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$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc

2024 Q1 Form 10-K Financial Statement

#000113342124000006 Filed on January 25, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NOC NORTHROP GRUMMAN CORP /DE/ Stock $noc

2024 Q1 Form 10-K Financial Statement

#000113342124000006 Filed on January 25, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NOC
NORTHROP GRUMMAN CORP /DE/ Stock $noc