Number of stock, granted (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Asset Allocation Ranges Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Auditor Attestation Flag ICFR Auditor Attestation Flag Other non-operating income (expense), net Other Nonoperating Income (Expense) Expected contribution, next year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Change in benefit obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Legal Proceedings, Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Change in plan assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Foreign derived intangible income deduction Effective Income Tax Rate Reconciliation, Deduction, Foreign Derived Intangible Income, Percent Effective Income Tax Rate Reconciliation, Deduction, Foreign Derived Intangible Income, Percent Services Service [Member] Segments [Axis] Segments [Axis] Postretirement Benefit Plans Retirement Benefits [Text Block] Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Changes in Balance of Accumulated Other Comprehensive Loss, Net of Income Taxes Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Other, net Accumulated Other, Net Adjustment Attributable To Parent [Member] Accumulated Other, Net Adjustment Attributable To Parent [Member] Stock repurchased (in shares) Stock Repurchased During Period, Shares Actuarial gains and losses - Incurred but Not Yet Recognized in Net Periodic Benefit Cost Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Amounts reclassified from AOCL Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax [Abstract] Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Derivatives Derivative Asset Expected to be reduced price (in dollars per share) Business Acquisition, Price Per Share, After Payment Of Pre-Closing Special Dividends Business Acquisition, Price Per Share, After Payment Of Pre-Closing Special Dividends EADGE-T EADGE-T [Member] EADGE-T [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Liabilities and equity Liabilities and Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Postretirement benefit plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Net decrease in noncontrolling interests in subsidiary Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Foreign derived intangible income deduction Effective Income Tax Rate Reconciliation, Deduction, Foreign Derived Intangible Income Effective Income Tax Rate Reconciliation, Deduction, Foreign Derived Intangible Income Increase in diluted earnings per common share due to profit rate (in dollars per share) Increase Decrease In Net Income Loss Per Share Diluted Increase (decrease) in diluted earnings per share due to favorable/unfavorable profit rate adjustments. Security Exchange Name Security Exchange Name Intangible assets, net Total acquired intangibles, Net Carrying Amount Intangible Assets, Net (Excluding Goodwill) Beginning balance at fair value Ending balance at fair value Assets set aside expected to be used to pay obligations of defined benefit pension plans and retiree medical and life insurance plans Fair value of plan assets at end of year Defined Benefit Plan, Plan Assets, Amount Issuance of long-term debt, net of related costs Proceeds from Issuance of Long-term Debt Operating profit Operating profit Operating Income (Loss) Total current liabilities Liabilities, Current Irrevocable Group Annuity Contract Irrevocable Group Annuity Contract [Member] Irrevocable Group Annuity Contract [Member] Severance charges Severance charges Severance Costs Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Schedule of Receivables, Net, Contract Assets and Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Performance Stock Units (PSUs) Performance Shares [Member] Nonvested beginning balance (in dollars per share) Nonvested ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Reserve transferred Litigation Reserve, Transferred As Part Of Divestiture Litigation Reserve, Transferred As Part Of Divestiture Other Accumulated Defined Benefit Plans Adjustment, Other Than Pension Adjustments Attributable To Parent [Member] Accumulated Defined Benefit Plans Adjustment, Other Than Pension Adjustments Attributable To Parent [Member] 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Repurchases of common stock Cash paid for repurchases of common stock Payments for Repurchase of Common Stock Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Investment, Name [Axis] Investment, Name [Axis] Number of years over which equity awards vest Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Accounting Policies [Abstract] Accounting Policies [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Non-operating FAS pension income (expense) Financial Accounting Standards, Non-Operating Pension Expense (Income) Amount of cost attributable to the non-service component (i.e. interest cost, expected return on plan assets, net actuarial gains or losses and amortization of prior service cost or credits) of financial accounting standards defined benefit plan expense. Entity Address, State or Province Entity Address, State or Province Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Reconciliation of Benefit Obligations, Plan Assets, and Unfunded or Funded Status Schedule of Defined Benefit Plans Disclosures [Table Text Block] Capitalized internal-use software, net Capitalized Internal Use Software Net Certain costs capitalized associated with the development or purchase of internal-use software net of accumulated amortization. Income tax expense at the U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Cash payments Operating Lease, Payments Accounts payable Accounts Payable, Current Capitalized software Internal Use Software, Policy [Policy Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Operating lease, right-of-use asset Operating Lease, Right-of-Use Asset Receivables, net Receivables Net [Member] Receivables Net [Member] Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Goodwill and purchased intangibles Deferred Tax Liabilities, Goodwill and Intangible Assets Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Product Concentration Risk Product Concentration Risk [Member] 2021 Lessee, Operating Lease, Liability, to be Paid, Year One 2024 Lessee, Operating Lease, Liability, to be Paid, Year Four U.S. commercial and other United States Commercial And Other [Member] United States Commercial And Other [Member] Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Indemnification percent, up to maximum reserve Litigation Settlement, Indemnification Of Liabilities Assumed, Percentage In Excess Of Reserve Litigation Settlement, Indemnification Of Liabilities Assumed, Percentage In Excess Of Reserve Increase (decrease) in projected benefit obligations due to a change in discount rate Change In Projected Benefit Obligations Due To Change In Discount Rate Increase (decrease) in projected benefit obligations due to change in discount rate. Customer [Axis] Customer [Axis] Nonqualified Plan Nonqualified Plan [Member] Third-party guarantees outstanding Guarantor Obligations, Maximum Exposure, Undiscounted Buy-In Contract Buy-In Contract [Member] Buy-In Contract [Member] Continuing operations (in dollars per share) Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Income taxes Income Tax, Policy [Policy Text Block] Hedging Designation [Domain] Hedging Designation [Domain] Postretirement benefit plans Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Discontinued operations (in dollars per share) Diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Buildings Building [Member] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Three One-time charge due to tax legislation Tax Cuts And Jobs Act Of 2017, Income Tax Expense (Benefit), Deferred Tax Cuts and Jobs Act of 2017, Income Tax Expense (Benefit), Deferred Other noncurrent liabilities Other Liabilities, Noncurrent Deferred income taxes Deferred Income Tax Assets, Net Other, net Payments for (Proceeds from) Other Investing Activities Assets measured at NAV Alternative Investment AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] 2.50% due 2020 Two Point Five Zero Percent Notes Due Twenty Twenty [Member] Two Point Five Zero Percent Notes Due Twenty Twenty [Member] Other Governments and Commercial Other Governments and Commercial [Member] Other Governments and Commercial [Member] Number of retirees Defined Benefit Plan, Number Of Employees Defined Benefit Plan, Number Of Employees Segment Reconciling Items Segment Reconciling Items [Member] Total inventories Inventory, Net Stock-based awards, ESOP activity and other Stock-Based Awards and E S O P Activity Value of stock issued during the period as a result of the exercise of stock options, the value of stock contributed to the employee stock ownership plan fund related to our defined contribution plans, and the amount of stock-based compensation during the period. Measurement Frequency [Domain] Measurement Frequency [Domain] Settlements Defined Benefit Plan, Benefit Obligation, Payment for Settlement Investments in marketable securities Investment, Policy [Policy Text Block] Quarterly Financial Information [Line Items] Quarterly Financial Information [Line Items] Quarterly Financial Information [Line Items] United Launch Alliance United Launch Alliance [Member] United Launch Alliance [Member] Business Acquisition [Axis] Business Acquisition [Axis] Shareholders Equity [Line Items] Shareholders Equity [Line Items] Shareholders Equity [Line Items] Accumulated other comprehensive loss (pre-tax) related to: Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Geographical [Domain] Geographical [Domain] Number of years over which equity awards expire Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Statement [Line Items] Statement [Line Items] Gain on property sale per share, after tax (in dollars per share) Gain (Loss) On Sale Of Properties, After Tax Per Share Amount Gain (Loss) on Sale of Properties, After Tax Per Share Amount Deferred Deferred Foreign Income Tax Expense (Benefit) Contract value Contract Value Total contract value. Maximum reserve Litigation Settlement, Maximum Reserve Litigation Settlement, Maximum Reserve Entity Voluntary Filers Entity Voluntary Filers Statement [Table] Statement [Table] Amortization of finite lived intangible assets after 2025 Finite-Lived Intangible Asset, Expected Amortization, after Year Five Increase in operating profit due to profit rate adjustments Increase Decrease In Operating Income (Loss) Increase (decrease) in operating profit due to favorable/unfavorable profit rate adjustments. Other, net Other Comprehensive Income, Other, Net of Tax Interest cost Defined Benefit Plan, Interest Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Mutual funds Equity Funds [Member] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Over the next 12 months Period One [Member] Period One U.S. Government securities US Government Agencies Debt Securities [Member] Schedule of Weighted Average Shares Outstanding Used to Compute Earnings Per Common Share Schedule of Weighted Average Number of Shares [Table Text Block] Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Business Combinations [Abstract] Business Combinations [Abstract] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Net FAS/CAS pension adjustment Fas Cas Pension Adjustment This item represents the difference between pension expense calculated for financial reporting purposes under GAAP and pension costs calculated and funded in accordance with U.S. Government Cost Accounting Standards (CAS). Unallocated items Unallocated Items [Abstract] Unallocated Items [Abstract] Entity Small Business Entity Small Business Basis of presentation Consolidation, Policy [Policy Text Block] Other (expense) income, net Other Operating Income (Expense), Net 4.25% due 2019 Four Point Two Five Percent Notes Due Two Thousand Nineteen [Member] Four Point Two Five Percent Notes Due Two Thousand Nineteen [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Debt Disclosure [Text Block] Weighted average remaining contractual life, vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Net sales for the F-35 program representing total consolidated net sales (as a percent) Program Net Sales as Percent of Total Net Sales Program net sales as percent of total net sales. Capitalized internal-use software accumulated amortization Capitalized Internal Use Software Accumulated Amortization Accumulated amortization of capitalized internal-use software. Excess tax benefits for share-based payment awards Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent Goodwill [Roll Forward] Goodwill [Roll Forward] Amendment Flag Amendment Flag Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Outstanding letters of credit, surety bonds, and third-party guarantees Letters of Credit Surety Bonds and Third Party Guarantees The aggregate total amount of outstanding letters of credit, surety bonds, and third-party guarantees. Number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Research and development and similar costs Research and Development Expense, Policy [Policy Text Block] Deferred tax assets related to: Deferred Tax Assets, Gross [Abstract] Corporate activities Corporate, Non-Segment [Member] Shares reserved for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Real estate funds Real Estate [Member] Line of credit facility, amount outstanding Long-term Line of Credit Other Pension Plan Other plans Other Pension Plan [Member] Repayments of current and long-term debt Repayments of debt Repayments of Debt Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Entity Central Index Key Entity Central Index Key Severance Charges Restructuring and Related Activities Disclosure [Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] 3.55% due 2026 Three Point Five Five Percent Notes Due Twenty Twenty Six [Member] Three Point Five Five Percent Notes Due Twenty Twenty Six [Member] Time period environmental costs and recovery of environmental costs are projected over Time Period Environmental Costs and Recovery of Environmental Costs Are Projected Over Time period environmental costs and recovery of environmental costs are projected over. Derivative Instrument [Axis] Derivative Instrument [Axis] Investments [Domain] Financial Instruments [Domain] Commingled equity funds Commingled Equity Funds [Member] Commingled Equity Funds [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Expected return on plan assets Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Equity method investments Equity Method Investments [Policy Text Block] Summary of Stock Based Compensation Activity Related to Nonvested RSUs Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] The Gross Carrying Amounts and Accumulated Amortization of Acquired Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Senior Notes Senior Notes [Member] Derivative financial instruments Derivatives, Policy [Policy Text Block] Geographical [Axis] Geographical [Axis] Segments [Domain] Segments [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Tax benefit on net other comprehensive loss recognized during the period for postretirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Shareholders Equity [Table] Shareholders Equity [Table] Shareholders Equity [Table] Weighted average dilutive effect of equity awards (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Research and development tax credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two Average price paid per share (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Receivables Receivable [Policy Text Block] Operations Current Federal Tax Expense (Benefit) Aggregate notional amount of derivatives Derivative, Notional Amount Cost-reimbursable Cost Reimbursable Contract [Member] Cost Reimbursable Contract [Member] Amortization expense for acquired finite lived intangible assets Amortization of Intangible Assets Inventories Inventory, Net of Allowances, Customer Advances and Progress Billings Foreign currency contracts Foreign Exchange Contract [Member] 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three Other noncurrent assets Other Assets, Noncurrent Plan Name [Axis] Plan Name [Axis] Total net state income tax expense State and Local Income Tax Expense (Benefit), Continuing Operations Organization Organization [Policy Text Block] Disclosure of accounting policy for organization of company. Percentage of total guarantees that relate to guarantees of contractual performance of joint ventures Percentage Of Guarantees That Relate To Guarantees Of Contractual Performance Of Joint Ventures Percentage of total guarantees that relate to guarantees of contractual performance of joint ventures to which we currently are or previously were a party. Information on Business Segments Segment Reporting Disclosure [Text Block] Receivables, net Receivables from other governments and commercial customers Receivables, Net, Current Net earnings from continuing operations Net earnings from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Total assets Assets Assets Pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Reclassification of income tax effects from tax reform Reclassification of income tax effects from tax reform Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect Postretirement benefit plans Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Nonvested, Beginning balance (in shares) Nonvested, Ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Disposal Group Classification [Axis] Disposal Group Classification [Axis] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Amortization of net prior service (credit) cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Finite-Lived, Net Carrying Amount Finite-Lived Intangible Assets, Net Industry of Counterparty, Type [Axis] Industry of Counterparty, Type [Axis] Expected Future Benefit Payment [Abstract] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Prepaid pension asset Assets for Plan Benefits, Defined Benefit Plan Qualified Plan Qualified Plan [Member] 4.70% due 2046 Four Point Seven Zero Percent Notes Due Twenty Forty Six [Member] Four Point Seven Zero Percent Notes Due Twenty Forty Six [Member] 3.60% due 2035 Three Point Six Zero Percent Notes Due Twenty Thirty Five [Member] Three Point Six Zero Percent Notes Due Twenty Thirty Five [Member] Acquired finite lived intangible assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Interest expense Interest Expense Excess tax benefits for share-based payment awards Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount Provision for Federal & Foreign Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Other Other Intangible Assets [Member] Product and Service [Axis] Product and Service [Axis] Defined benefit pension plan, liabilities Liability, Defined Benefit Pension Plan Total liabilities Liabilities Foreign derived intangible income deduction related to prior year (in dollars per share) Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Per Share Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Per Share Amortization of net prior service credits Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Distributed Energy Solutions Distributed Energy Solutions [Member] Distributed Energy Solutions [Member] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Weighted average remaining contractual life, vested Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Damages sought by plaintiff Loss Contingency, Damages Sought, Value Retirement Plan Type [Axis] Retirement Plan Type [Axis] Accumulated benefit obligation for defined benefit pension plans Defined Benefit Plan, Accumulated Benefit Obligation Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Participants’ contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Commingled equity funds Commingled Funds [Member] Commingled Funds [Member] Liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Axis] Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Axis] Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Axis] Level 1 Fair Value, Inputs, Level 1 [Member] Operating lease cost Operating Lease, Expense Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Inventories Increase (Decrease) in Inventories Total unallocated, net Unallocated Net Total amount of unallocated items, net. Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accounts payable Increase (Decrease) in Accounts Payable Number of RSUs Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Common stock dividends per share paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid MFC Missiles and Fire Control Missiles And Fire Control [Member] Missiles And Fire Control [Member] Commercial paper borrowings Commercial Paper, at Carrying Value Debt Instrument [Axis] Debt Instrument [Axis] Additional  Paid-In Capital Additional Paid-in Capital [Member] Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Actual return on plan assets (percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Actual Return on Plan Assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Actual Return on Plan Assets Summary of Quarterly Information Quarterly Financial Information [Table Text Block] Operating Segments Operating Segments [Member] Asset Class [Axis] Asset Class [Axis] Derivatives Derivative Liability Adjustments to reconcile net earnings to net cash provided by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Claims for monetary damages against the plaintiff Counterclaim For Damages Sought Counterclaim for damages sought for the current period. Continuing operations (in dollars per share) Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Litigation Case [Axis] Litigation Case [Axis] Contract payments received to date Contract Payments Received To Date Contract payments received to date. Tax deductible dividends Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Machinery and equipment Machinery and Equipment [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Total equity method investments Equity method investments Equity Method Investments Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Earnings from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Independent research and development costs charged to cost of sales Research and Development Expense Postretirement Benefit Plans Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Quarterly Financial Information [Table] Quarterly Financial Information [Table] Quarterly Financial Information [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Acquisitions of businesses Payments to Acquire Businesses, Net of Cash Acquired Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Domain] Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Domain] Share Based Compensation Arrangement By Share Based Payment Award Compensation Plans [Domain] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Cash received from exercise of stock options Proceeds from Stock Options Exercised Additional amount to increase credit facility, granted at banks' discretion Line Of Credit Optional Request For Additional Borrowings Line Of Credit Optional Request For Additional Borrowings Total property, plant and equipment Property, Plant and Equipment, Gross Operations Deferred Federal Income Tax Expense (Benefit) 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Proceeds from issuance of commercial paper, net Proceeds from Issuance of Commercial Paper Summary Of Financial Information For Each Business Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Unfunded status of the plans Defined Benefit Plan, Funded (Unfunded) Status of Plan AOCI related to postretirement benefit plans, tax benefit AOCI Including Portion Attributable to Noncontrolling Interest, Tax Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Equity method investee impairment, net of tax Equity Method Investment Other than Temporary Impairment Net Of Tax Equity method investment other than temporary impairment net of tax. Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive  Loss AOCL AOCI Attributable to Parent [Member] Operating lease, liability, noncurrent Operating Lease, Liability, Noncurrent Amortization of finite lived intangible assets in 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Four Space Space [Member] Space [Member] Operating lease cost Operating Leases, Rent Expense 2.80% due 2050 Two Point Eight Zero Percent Notes Due Twenty Fifty [Member] Two Point Eight Zero Percent Notes Due Twenty Fifty [Member] FAS/CAS operating adjustment FAS/CAS operating adjustment Fas Cas Operating Adjustment The difference between the service cost component of U.S. GAAP FAS pension expense and total pension costs recoverable on U.S. Government contracts as determined in accordance with U.S. Government cost accounting standards Half Of PSUs Granted In Period Half Of PSUs Granted In Period [Member] Half Of PSUs Granted In Period [Member] 3.80% due 2045 Three Point Eight Zero Percent Notes Due Twenty Forty Five [Member] Three Point Eight Zero Percent Notes Due Twenty Forty Five [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Less: unamortized discounts and issuance costs Unamortized discounts and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Use of estimates Use of Estimates, Policy [Policy Text Block] Research and development tax credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Current assets Assets, Current [Abstract] 1.85% due 2030 One Point Eight Five Percent Notes Due Twenty Thirty [Member] One Point Eight Five Percent Notes Due Twenty Thirty [Member] Capitalized internal-use software amortization Amortization Loss per common share from discontinued operations: Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share [Abstract] Fair value of investments measured on recurring basis Investments, Fair Value Disclosure Gain on property sale, after tax Gain (Loss) On Sale Of Properties, After Tax Gain (Loss) on Sale of Properties, After Tax Remaining amount authorized (in shares) Stock Repurchase Program, Remaining Authorized Repurchase Amount Actuarial Assumptions Used to Determine Net Periodic Benefit Cost Defined Benefit Plan, Assumptions [Table Text Block] Capitalized Software Software and Software Development Costs [Member] International equity securities Defined Benefit Plan, Equity Securities, Non-US [Member] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent 1.85% due 2030 One Point Eight Five Percent Notes Due 2030 [Member] One Point Eight Five Percent Notes Due 2030 F-35 Program F Thirty Five Program [Member] F Thirty Five Program [Member] U.S. Government-sponsored enterprise securities US Government-sponsored Enterprises Debt Securities [Member] Capitalized contract cost Capitalized Contract Cost, Net Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Reconciliation of Income Tax Expense Computed Using U.S. Statutory Federal Tax Rate to Actual Income Tax Expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net loss from discontinued operations (in dollars per share) Income (Loss) From Discontinued Operations, Net Of Tax, Attributable to Parent, Per Share Income (Loss) From Discontinued Operations, Net Of Tax, Attributable to Parent, Per Share Counterparty Name [Domain] Counterparty Name [Domain] Asia Pacific Asia Pacific [Member] City Area Code City Area Code Consolidation Items [Domain] Consolidation Items [Domain] Foreign derived intangible income deduction related to prior year Foreign derived intangible income deduction related to prior year Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Document Period End Date Document Period End Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Goodwill and Acquired Intangibles Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Post-dividend value Business Acquisition, Post Dividend Value Business Acquisition, Post Dividend Value Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Unrecognized prior service credit Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax Net earnings from equity method investments Income (Loss) from Equity Method Investments Accelerate Share Repurchase (ASR) authorized amount Stock Repurchase Program, Authorized Amount Amounts reclassified from AOCL Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Hedging Designation [Axis] Hedging Designation [Axis] Tax expense on amounts reclassified from accumulated other comprehensive loss during the period for postretirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information Disclosure [Abstract] 2026 – 2030 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Inventories Schedule of Inventory, Current [Table Text Block] Fair value of trading securities Debt Securities, Trading, and Equity Securities, FV-NI Revenue, Revenue Remaining Performance Obligation Period [Domain] Revenue, Revenue Remaining Performance Obligation Period [Domain] Revenue, Revenue Remaining Performance Obligation Period Long-term Debt, Type [Domain] 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Ending Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest New ROU operating lease assets and liabilities entered into Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Actuarial losses (gains) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Estimated fair values of debt instruments Long-term Debt, Fair Value Amortization of finite lived intangible assets in 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash and cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Total net sales Net sales Revenues Inventories Inventory, Policy [Policy Text Block] Income tax expense Total income tax expense Income Tax Expense (Benefit) Federal and foreign income tax payments made, net of refunds received Income Taxes Paid, Net Environmental costs eligible for future recovery Recorded Third-Party Environmental Recoveries Receivable Cash and cash equivalents at beginning of year Cash and cash 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International International [Member] International [Member] Long-term Debt Schedule of Debt [Table Text Block] Space Space Systems [Member] Space Systems [Member] Liabilities recorded relative to environmental matters Accrual for Environmental Loss Contingencies Loss contingency, period of bench trial Loss Contingency, Period Of Bench Trial Loss Contingency, Period Of Bench Trial The Gross Carrying Amounts and Accumulated Amortization of Acquired Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Net gains (losses) on marketable securities Marketable Securities, Gain (Loss) Total debt Outstanding principal amount of debt instruments Long-term Debt, Gross Depreciation Depreciation Entity Address, Address Line One Entity Address, Address Line One Project [Axis] Project [Axis] Entity Emerging Growth Entity Emerging Growth Company Plan amendments and curtailments Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Indefinite-Lived, Carrying Amount Indefinite-lived Intangible Assets (Excluding Goodwill) Share-based compensation, net of tax Share-based Payment Arrangement, Expense, after Tax Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Recognition of net actuarial losses Accumulated Defined Benefits Plans Adjustment, Net Actuarial Loss Attributable To Parent [Member] Accumulated Defined Benefits Plans Adjustment, Net Actuarial Loss Attributable To Parent [Member] Line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Weighted Average Grant-Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Finite-Lived, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Maximum Maximum [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Accelerated Share Repurchase Agreement Accelerated Share Repurchase Agreement [Member] Accelerated Share Repurchase Agreement [Member] Noncontrolling Interests in Subsidiary Noncontrolling Interest [Member] Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Materials, spares and supplies Inventory, Raw Materials and Supplies, Gross Retained Earnings Retained Earnings [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Distributed Energy Solutions divestiture Goodwill, Written off Related to Sale of Business Unit Repayment of commercial paper, net Repayments of Commercial Paper Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Schedule of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Income tax expense Effective Income Tax Rate Reconciliation, Percent Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Contracts Accounted for under Percentage of Completion Contracts Accounted for under Percentage of Completion [Member] Revenue, Revenue Remaining Performance Obligation Period [Axis] Revenue, Revenue Remaining Performance Obligation Period [Axis] Revenue, Revenue Remaining Performance Obligation Period Award Type [Domain] Award Type [Domain] 3.10% due 2023 Three Point One Zero Percent Notes Due Twenty Twenty Three[Member] Three Point One Zero Percent Notes Due Twenty Twenty Three[Member] Corporate debt securities Corporate Debt Securities [Member] Retiree Medical and Life Insurance Plans Retiree medical and life insurance plans Other Postretirement Benefits Plan [Member] Trading Symbol Trading Symbol Other Goodwill, Other Increase (Decrease) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Shares of our stock held in defined contribution plans we sponsor (in shares) Shares Of Our Stock Held In Defined Contribution Plans We Sponsor Shares of our stock held in defined contribution plans we sponsor. Property, Plant and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Cost of sales Cost of Goods and Services Sold [Abstract] Changes in longevity assumptions Changes in longevity assumptions Defined Benefit Plan, Actuarial Loss Related to Change in Longevity Assumption Amount of increase in benefit obligation resulting from a change in the longevity (also known as mortality) assumption. 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