Business Acquisition [Axis] Business Acquisition [Axis] Other, net Other Comprehensive Income, Other, Net of Tax Total reclassified from AOCL Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Number of pending claims Loss Contingency, Pending Claims, Number Deferred income taxes Deferred Income Tax Assets, Net Outstanding principal amount Long-Term Debt, Gross Reduction in tax expense from pension settlement charge Defined Benefit Plan, Settlement Charge, Increase (Decrease) In Tax Expense Defined Benefit Plan, Settlement Charge, Increase (Decrease) In Tax Expense Severance and restructuring charges, after-tax Severance and Restructuring Costs, After-Tax Severance and Restructuring Costs, After-Tax Entity Address, Postal Zip Code Entity Address, Postal Zip Code Defined Benefit Plan, Roll Forwards [Abstract] Defined Benefit Plan, Roll Forwards [Abstract] Other, net Accumulated Other, Net Adjustment Attributable To Parent [Member] Accumulated Other, Net Adjustment Attributable To Parent [Member] Fair Value of Investments Investments, Fair Value Disclosure Debt Instrument [Axis] Debt Instrument [Axis] Plan amendments Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Severance and restructuring charges, after-tax (in dollars per share) Severance and Restructuring Costs, Per Share, After-Tax Severance and Restructuring Costs, Per Share, After-Tax Net other comprehensive income (loss) recognized during the period, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax Dividends paid Payments of Ordinary Dividends, Common Stock EADGE-T EADGE-T [Member] EADGE-T [Member] Reconciliation of Benefit Obligations, Plan Assets and Unfunded or Funded Status Schedule of Defined Benefit Plans Disclosures [Table Text Block] Settlements Defined Benefit Plan, Benefit Obligation, Payment for Settlement Foreign Currency Hedges Foreign Exchange Contract [Member] Increase in diluted earnings per common share due to profit rate adjustments (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. Performance obligation satisfied in previous period Contract with Customer, Performance Obligation Satisfied in Previous Period Other, net Payments for (Proceeds from) Other Investing Activities Issuance of long-term debt, net of related costs Proceeds from Issuance of Debt Interest percent Debt Instrument, Interest Rate, Stated Percentage 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] Additional paid-in capital Additional Paid in Capital, Common Stock Total FAS pension (expense) income Total FAS pension (expense) income Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Number of retirees and beneficiaries Number of Retirees and Beneficiaries Number of Retirees and Beneficiaries Repayments of long-term debt Repayments of long-term debt Repayments of Debt Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Net earnings Net earnings Net earnings Net Income (Loss) Attributable to Parent Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Significant anti-dilutive equity awards (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Amortization of prior service credits Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Non-cash, non-operating pension settlement charge Non-cash, Non-operating Pension Settlement Charge Non-cash, Non-operating Pension Settlement Charge Equity Component [Domain] Equity Component [Domain] FAS pension income, prior estimate Defined Benefit Plan, Other cost (Credit), Prior Estimate Defined Benefit Plan, Other cost (Credit), Prior Estimate Scenario [Axis] Scenario [Axis] Debt instrument, redemption price, percentage Debt Instrument, Redemption Price, Percentage Early extinguishments of debt Early Repayment of Senior Debt U.S. commercial and other United States Commercial And Other [Member] United States Commercial And Other [Member] Plan Name [Axis] Plan Name [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Beginning balance Ending balance Defined Benefit Plan, Plan Assets, Amount Derivative Instrument [Axis] Derivative Instrument [Axis] Net sales Segment Reporting Information, Revenue for Reportable Segment [Abstract] Number of business segments Number of Operating Segments Plan Name [Domain] Plan Name [Domain] Capitalized contract cost Capitalized Contract Cost, Net Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Level 1 Fair Value, Inputs, Level 1 [Member] Schedule of Weighted Average Shares Outstanding Used to Compute Earnings Per Common Share Schedule of Weighted Average Number of Shares [Table Text Block] Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] 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. Change in benefit obligation due to remeasurement Actuarial (gains) losses Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Derivatives Derivative Asset Shareholders Equity [Line Items] Shareholders Equity [Line Items] Shareholders Equity [Line Items] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Non-service FAS pension (expense) income Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Contract value Contract Value Total contract value. Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Middle East Middle East [Member] 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. Long-term debt, net Long-Term Debt, Excluding Current Maturities Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Non-service FAS pension (expense) income FAS pension expense (income) Defined Benefit Plan, Other Cost (Credit) Total liabilities Liabilities Qualified defined benefit pension plans Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Geographical [Axis] Geographical [Axis] Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Total 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). Non-cash, non-operating pension settlement charge, per share, after Tax (in dollars per share) Non-cash, Non-operating Pension Settlement Charge, Per Share, After Tax Non-cash, Non-operating Pension Settlement Charge, Per Share, After Tax Unallocated items Unallocated Items [Abstract] Unallocated Items [Abstract] Document Type Document Type Schedule of Change in Accounting Estimate [Table] Schedule of Change in Accounting Estimate [Table] Recognition of settlement loss Recognition of settlement loss [Member] Recognition of settlement loss Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] 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. Segments [Axis] Segments [Axis] Cost of sales Cost of Revenue [Abstract] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Deferred income taxes Deferred Income Tax Expense (Benefit) 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. Decrease in defined benefit plan, remeasurements Decrease In Defined Benefit Plan, Remeasurements Decrease In Defined Benefit Plan, Remeasurements Consolidation Items [Domain] Consolidation Items [Domain] Sales Revenue, Net Revenue Benchmark [Member] Summary of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Document Period End Date Document Period End Date 3.55% Notes Due 2026 Three Point Five Five Percent Notes Due Twenty Twenty Six [Member] Three Point Five Five Percent Notes Due Twenty Twenty Six Period over which costs and recovery of costs is projected Time Period Environmental Costs and Recovery of Environmental Costs Are Projected Over Time period environmental costs and recovery of environmental costs are projected over. Schedule of Changes in the Balance of AOCL, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Total assets Total assets Assets Earnings per common share Earnings Per Share [Abstract] Material contributions to qualified defined benefit pension plans Defined Benefit Plan, Plan Assets, Contributions by Employer Interest Rate Swaps Interest Rate Swap [Member] Net cash used for financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] Estimated fair value of outstanding debt Long-Term Debt, Fair Value Shareholders Equity [Table] Shareholders Equity [Table] Shareholders Equity [Table] Salaries, benefits and payroll taxes Employee-related Liabilities, Current Net asset Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] EARNINGS PER COMMON SHARE Earnings Per Share [Text Block] Customer [Axis] Customer [Axis] Interest cost Interest cost Defined Benefit Plan, Interest Cost Cost-reimbursable Cost Reimbursable Contract [Member] Cost Reimbursable Contract [Member] Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Other Comprehensive Income (Loss), Defined Benefit Plan, Adjustment for Settlement or Curtailment Gain (Loss), Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Adjustment for Settlement or Curtailment Gain (Loss), Tax Inventories Total inventories Inventory, Net of Allowances, Customer Advances and Progress Billings Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Derivative Contract [Domain] Derivative Contract [Domain] Finished goods Inventory, Finished Goods, Gross Gross profit Gross Profit Entity Registrant Name Entity Registrant Name Guarantees of contractual performance of joint ventures (as a percent) 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. Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Entity Address, City or Town Entity Address, City or Town POSTRETIREMENT BENEFIT PLANS Retirement Benefits [Text Block] Beginning Balance Ending Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Intersegment sales Intersegment Eliminations [Member] Asset Class [Domain] Asset Class [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Qualified defined benefit pension plans Pension Plan [Member] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Trading Symbol Trading Symbol Entity File Number Entity File Number Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] NAV Fair Value Measured at Net Asset Value Per Share [Member] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total unallocated items Unallocated Net Total amount of unallocated items, net. Accounts payable Increase (Decrease) in Accounts Payable Pension settlement charge, net of tax of $314 million Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax Missiles and Fire Control MFC Missiles And Fire Control [Member] Missiles And Fire Control [Member] Total net sales Total net sales Net sales Revenues FAS pension expense (income), pretax Defined Benefit Plan, Other Cost (Credit), Pre-tax Defined Benefit Plan, Other Cost (Credit), Pre-tax Claims for monetary damages against the plaintiff Counterclaim For Damages Sought Counterclaim for damages sought for the current period. Amortization of purchased intangibles Amortization of Intangible Assets Contract payments received to date Contract Payments Received To Date Contract payments received to date. Basic (in dollars per share) Earnings Per Share, Basic Materials, spares and supplies Inventory, Raw Materials and Supplies, Gross 4.15% Notes Due 2053 Four Point One Five Percent Notes Due 2053 [Member] Four Point One Five Percent Notes Due 2053 Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Corporate Corporate, Non-Segment [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Damages sought by plaintiff Loss Contingency, Damages Sought, Value Total stockholders’ equity Stockholders' Equity Attributable to Parent Entity Interactive Data Current Entity Interactive Data Current Changes in assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Non-cash, non-operating pension settlement charge, after tax Non-cash, Non-operating Pension Settlement Charge, After Tax Non-cash, Non-operating Pension Settlement Charge, After Tax Retained Earnings Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Space Space Space [Member] Space [Member] Common Stock Common Stock [Member] Project [Domain] Project [Domain] FAS/CAS pension 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 Repurchases of common stock Payments for Repurchase of Common Stock Statement [Table] Statement [Table] Receivables, net Receivables, Net, Current Document Quarterly Report Document Quarterly Report Current assets Assets, Current [Abstract] Realized gain (loss) reflected in other non-operating income Equity Securities, FV-NI, Realized Gain (Loss) F-35 Program F Thirty Five Program [Member] F Thirty Five Program [Member] Retained earnings Retained Earnings (Accumulated Deficit) Pension settlement charge Pension settlement charge Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Equity Components [Axis] Equity Components [Axis] Scenario [Domain] Scenario [Domain] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Litigation Case [Domain] Litigation Case [Domain] Loss on extinguishment of debt, net of tax Gain (Loss) on Extinguishment of Debt, Net of Tax Gain (Loss) on Extinguishment of Debt, Net of Tax Document Fiscal Year Focus Document Fiscal Year Focus Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Statement [Line Items] Statement [Line Items] Non-service FAS pension (expense) income Financial Accounting Standards, Non-Operating Pension Income (Expense) Financial Accounting Standards, Non-Operating Pension Income (Expense) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] RECENT ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Products Product [Member] Repurchases of common stock Reduction to stockholders' equity due to repurchases of common stock Stock Repurchased During Period, Value Accumulated Other Comprehensive Loss AOCL AOCI Attributable to Parent [Member] Capital expenditures Payments to Acquire Productive Assets Document Transition Report Document Transition Report Local Phone Number Local Phone Number Operating profit Total operating profit Operating Income (Loss) Inventories Increase (Decrease) in Inventories RECENT ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements, Policy [Policy Text Block] Carrying amount of investments held in lockheed martin venture fund Equity Securities without Readily Determinable Fair Value, Amount INVENTORIES Inventory Costs for Contracts or Programs, Policy [Policy Text Block] Goodwill Goodwill Services Service [Member] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss), Percentage Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss), Percentage Increase in net earnings due to profit rate adjustments Increase (Decrease) In Net Income Loss Increase (decrease) in net earnings due to favorable/unfavorable profit rate adjustments. Shares repurchased during period (in shares) Stock Repurchased During Period, Shares Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Mutual funds Equity Funds [Member] 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] Income tax expense Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Amortization of net prior service credits Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Income Statement [Abstract] Income Statement [Abstract] N.Y. Metropolitan Transportation Authority New York Metropolitan Transportation Authority [Member] New York Metropolitan Transportation Authority [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Total cost of sales Cost of Goods and Services Sold Weighted average common shares outstanding for diluted computations (in shares) Weighted Average Number of Shares Outstanding, Diluted Derivatives Derivative Liability Schedule of Inventories, Net Schedule of Inventory, Current [Table Text Block] U.S. Government U S Government [Member] U.S. Government [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Cash dividends paid per common share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Common stock, $1 par value per share Common Stock, Value, Issued Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Senior Notes Senior Notes [Member] Other income, net Other Operating Income (Expense), Net Asia Pacific Asia Pacific [Member] Schedule of Assets and Liabilities Measured and Recorded at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Business Segments Operating Segments [Member] Net obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Product Concentration Risk Product Concentration Risk [Member] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Loss on extinguishment of debt (in dollars per share) Gain (Loss) on Extinguishment of Debt Amount, Per share Gain (Loss) on Extinguishment of Debt Amount, Per share 2.90% Notes Due 2025 Two Point Nine Zero Percent Notes Due Twenty Twenty Five [Member] Two Point Nine Zero Percent Notes Due Twenty Twenty Five LEGAL PROCEEDINGS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Current liabilities Liabilities, Current [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Realized gain (loss) recognized for changes in fair value, net of tax Equity Securities, FV-NI, Realized Gain (Loss), Net of Tax Equity Securities, FV-NI, Realized Gain (Loss), Net of Tax Contract liabilities Contract with Customer, Liability, Current Total Stockholders’ Equity Parent [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] 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] Amendment Flag Amendment Flag Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Aggregate principal amount Debt Instrument, Face Amount Other comprehensive income, net of tax Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Litigation Case [Axis] Litigation Case [Axis] Performance growth costs Contract Costs, Amount in Excess of Contract Price, Loss Recognized Contract Costs, Amount in Excess of Contract Price, Loss Recognized Summary of Operating Results and Total Assets for Each Business Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other commingled funds Other Commingled Funds [Member] Other commingled funds [Member] Other current liabilities Other Liabilities, Current Other noncurrent assets Other Assets, Noncurrent Other, net Other Unallocated Expenses, Net The amount of other unallocated expenses, net. Aeronautics Aeronautics Aeronautics [Member] Aeronautics [Member] Qualified Plan Qualified Plan [Member] Sikorsky Aircraft Corporation Sikorsky Aircraft Corporation [Member] Sikorsky Aircraft Corporation [Member] Project [Axis] Project [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Unamortized discounts and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Realized gain (loss) recognized for changes in fair value, net of tax (in dollars per share) Equity Securities, FV-NI, Realized Gain (Loss), Net of Tax, Amount Per Share Equity Securities, FV-NI, Realized Gain (Loss), Net of Tax, Amount Per Share Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Property, plant and equipment, net Property, Plant and Equipment, Net Fixed-price Fixed-Price Contract [Member] Increase in defined benefit plan, pension plan assets, incremental return Increase In Defined Benefit Plan, Pension Plan Assets, Incremental Return Increase In Defined Benefit Plan, Pension Plan Assets, Incremental Return Other non-operating (expense) income, net Other Nonoperating Income (Expense) Total FAS pension income, prior estimate difference Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Prior Estimate Difference Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Prior Estimate Difference Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Depreciation and amortization Depreciation and Amortization, Including Discontinued Operations Depreciation and Amortization, Including Discontinued Operations Long-term rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Work-in-process Inventory, Work in Process, Gross Contract liabilities Decrease in contract liabilities Increase (Decrease) in Contract with Customer, Liability Total current assets Assets, Current Designated as Hedges Designated as Hedging Instrument [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Entity Small Business Entity Small Business STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Measurement Frequency [Domain] Measurement Frequency [Domain] Cash dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Schedule of Pretax Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Net sales Revenues [Abstract] Net decrease in noncontrolling interests in subsidiary Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Expected time of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Number of entities involved in litigation Number Of Entities Involved In Litigation Number Of Entities Involved In Litigation Title of 12(b) Security Title of 12(b) Security Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other Other Region [Member] Other Region [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Impairment loss Capitalized Contract Cost, Impairment Loss U.S. Government securities US Government Agencies Debt Securities [Member] INFORMATION ON BUSINESS SEGMENTS Segment Reporting Disclosure [Text Block] 3.90% Notes Due 2032 Three Point Nine Zero Percent Notes Due 2032 [Member] Three Point Nine Zero Percent Notes Due 2032 Liabilities and equity Liabilities and Equity [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] Accounts payable Accounts Payable, Current Rotary and Mission Systems RMS Rotary and Mission Systems [Member] Rotary and Mission Systems [Member] Liabilities recorded relative to environmental matters Accrual for Environmental Loss Contingencies Hedging Designation [Axis] Hedging Designation [Axis] OTHER Other Items Disclosure [Text Block] Includes disclosures related to various items. Accrued pension liabilities Liability, Defined Benefit Pension Plan, Noncurrent Entity Filer Category Entity Filer Category Weighted average common shares outstanding for basic computations (in shares) Weighted Average Number of Shares Outstanding, Basic United States UNITED STATES Assets measured at NAV Alternative Investment Postretirement benefit plans Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Security Exchange Name Security Exchange Name Change in plan assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] 4.30% Notes Due 2062 Four Point Three Zero Percent Notes Due 2062 [Member] Four Point Three Zero Percent Notes Due 2062 Aggregate notional amount of outstanding interest rate swaps Derivative, Notional Amount Unallocated items Segment Reconciling Items [Member] Liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Income taxes Increase (Decrease) in Income Taxes Payable FAS pension service cost Service cost Service cost Defined Benefit Plan, Service Cost Other securities Other securities [Member] Other securities [Member] Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net other comprehensive income recognized during the period, net of tax of $461 million Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period And Prior Service Cost (Credit), after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period And Prior Service Cost (Credit), after Tax Postretirement Benefit Plans Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] CONTRACT ASSETS AND LIABILITIES Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Severance and restructuring charges Severance and restructuring charges Severance and restructuring charges Severance and Restructuring Costs Severance and Restructuring Costs Contract assets Increase in contract assets Increase (Decrease) in Contract with Customer, Asset Change in benefit obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Noncontrolling Interests in Subsidiary Noncontrolling Interest [Member] Forecast Forecast [Member] Less: CAS pension cost Pension Expense under US Government Cost Accounting Standards Pension expense calculated under U.S. Government Cost Accounting Standards. Benefit obligation, discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Recognized net actuarial losses Defined Benefit Plan, Amortization of Gain (Loss) Total liabilities and equity Liabilities and Equity Outstanding pension benefit obligations and related plan assets Defined Benefit Plan, Pension Plan Benefit Obligation, Plan Assets, Outstanding Defined Benefit Plan, Pension Plan Benefit Obligation, Plan Assets, Outstanding Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Other unallocated, net Other Unallocated, Net [Member] Other Unallocated, Net [Member] Total remaining authorization for future common share repurchases Stock Repurchase Program, Remaining Authorized Repurchase Amount Receivables, net Increase (Decrease) in Receivables Cumulative losses on development Estimated Cumulative Losses Estimated cumulative losses, including reserves, recorded since inception. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Classified Fixed-Price Incentive Fee Contract Classified Fixed-Price Incentive Fee Contract [Member] Classified Fixed-Price Incentive Fee Contract Level 2 Fair Value, Inputs, Level 2 [Member] Recognition of previously deferred postretirement benefit plan amounts, before tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Current Fiscal Year End Date Current Fiscal Year End Date Noncash, non-operating settlement charge Defined Benefit Plan, Noncash, Non-Operating Settlement Charge Defined Benefit Plan, Noncash, Non-Operating Settlement Charge Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Diluted (in dollars per share) Earnings Per Share, Diluted Consolidation Items [Axis] Consolidation Items [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Total current liabilities Liabilities, Current Dividends declared Cash dividends paid and unpaid, amount Dividends, Cash Other current assets Other Assets, Current Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Entity Address, Address Line One Entity Address, Address Line One Other, net Proceeds from (Payments for) Other Financing Activities Product and Service [Axis] Product and Service [Axis] Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Contracts Accounted for under Percentage of Completion Contracts Accounted for under Percentage of Completion [Member] Europe Europe [Member] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Interest expense Interest Expense Retirement Plan Type [Axis] Retirement Plan Type [Axis] INVENTORIES Inventory Disclosure [Text Block] Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Equity [Abstract] Equity [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Entity Tax Identification Number Entity Tax Identification Number Net Unfunded status of the plans Defined Benefit Plan, Funded (Unfunded) Status of Plan Amounts reclassified from accumulated other comprehensive loss Recognition of previously deferred postretirement benefit plan amounts, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax International International [Member] International [Member] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Third-party guarantees Guarantor Obligations, Maximum Exposure, Undiscounted Operating profit Segment Reporting Information, Operating Income (Loss) [Abstract] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect 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] Weighted average dilutive effect of equity awards (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Entity Central Index Key Entity Central Index Key Measurement Frequency [Axis] Measurement Frequency [Axis] FAIR VALUE MEASUREMENTS Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Accelerated Share Repurchase Agreement Accelerated Share Repurchase Agreement [Member] Accelerated Share Repurchase Agreement [Member] City Area Code City Area Code Assets Assets [Abstract] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] 3.10% Notes Due 2023 Three Point One Zero Percent Notes Due Twenty Twenty Three [Member] Three Point One Zero Percent Notes Due Twenty Twenty Three Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Environmental costs eligible for future recovery Recorded Third-Party Environmental Recoveries Receivable EARNINGS PER COMMON SHARE Earnings Per Share, Policy [Policy Text Block] Asset Class [Axis] Asset Class [Axis] Expected return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Expected Return (Loss), Percentage Defined Benefit Plan, Plan Assets, Increase (Decrease) for Expected Return (Loss), Percentage Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Other noncurrent liabilities Other Liabilities, Noncurrent Beginning balance Ending balance Defined Benefit Plan, Benefit Obligation Retiree medical and life insurance plans Other Postretirement Benefits Plan [Member] Customer [Domain] Customer [Domain]