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Amendment Flag Amendment Flag Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Long-term Debt, Fair Value Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation, Depletion and Amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Fair Value as of Grant Date Award Grant Date Fair Value Subsequent Events [Abstract] Sentinel EMD phase [Member] Sentinel EMD phase [Member] Sentinel EMD phase Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Debt Instrument, Face Amount Debt Instrument, Face Amount Entity Address, Postal ZIP Code Entity Address, Postal Zip Code Principles of Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Common stock, $1 par value; 800,000,000 shares authorized; issued and outstanding: 2024—146,463,372 and 2023—150,109,271 Common Stock, Value, Issued Fiscal Period Policy Fiscal Period, Policy [Policy Text Block] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Restricted Space [Member] Restricted Space [Member] Restricted Space Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents, at Carrying Value 2022 Five Year Term 2022 Five Year Term [Domain] 2022 Five Year Term Contracts Accounted for under Percentage of Completion [Member] Contracts Accounted for under Percentage of Completion [Member] Other investing activities, net Payments for (Proceeds from) Other Investing Activities Other Noncurrent Assets [Member] Other Noncurrent Assets [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Other Current Liabilities [Member] Other Current Liabilities [Member] All Currencies [Domain] All Currencies [Domain] Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Preferred stock, $1 par value; 10,000,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Proceeds from Sale, Maturity and Collection of Investments Proceeds from Sale, Maturity and Collection of Investments Commercial Paper, at Carrying Value Commercial Paper, at Carrying Value Basic earnings per share Earnings Per Share, Basic Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule of Change in Accounting Estimate [Table Text Block] Schedule of Change in Accounting Estimate [Table Text Block] Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Noncash Investing and Financing Activities Related Text Noncash Investing and Financing Activities Related Text B-21 Program LRIP Options [Member] B-21 Program LRIP Options [Member] B-21 Program LRIP Options Environmental Remediation [Table Text Block] Environmental Remediation [Table Text Block] Environmental Remediation Range of Possible Future Costs, Accrued Costs within that range and Deferred Cost expected to be recovered [Table Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Total assets Assets Minimum Loss Contingency Minimum Loss Contingency [Member] Minimum Loss Contingency Cost of Sales Cost of Goods and Services Sold Mission Systems [Member] Mission Systems [Member] Mission Systems reporting segment. Line of Credit Outstanding Long-Term Line of Credit Shares granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Capital expenditures Payments to Acquire Property, Plant, and Equipment Other non-current liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Commitments and Contingencies Commitments and Contingencies Interest expense Interest and Debt Expense Interest and Debt Expense Termination Date Trading Arrangement Termination Date Accelerated Share Repurchases [Line Items] Accelerated Share Repurchases [Line Items] Revenues Revenues Revenues US Government US Government [Member] US Government [Member] STOCK COMPENSATION PLANS AND OTHER COMPENSATION ARRANGEMENTS Share-Based Payment Arrangement [Text Block] Commercial Paper, Maximum Borrowing Capacity Commercial Paper, Maximum Borrowing Capacity Commercial Paper, Maximum Borrowing Capacity Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Entity Address, City Or Town Entity Address, City or Town Net proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Schedule of Gain (Loss) on Securities [Table] Schedule of Gain (Loss) on Securities [Table] Debt Instrument [Axis] Debt Instrument [Axis] Net earnings Net earnings (from above) Net earnings Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Fair value information of assets and liabilities measured at fair value on a recurring basis Fair Value, by Balance Sheet Grouping [Table Text Block] Revenue, Contract Type [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Defined contribution plan, employer contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Loss Contingencies [Table] Loss Contingencies [Table] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Entity File Number Entity File Number Document Fiscal Year Focus Document Fiscal Year Focus Entity Address, Line 1 Entity Address, Address Line One Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Dividends declared Dividends, Common Stock Name Forgone Recovery, Individual Name Components of net periodic benefit cost Schedule of Costs of Retirement Plans [Table Text Block] Document Period End Date Document Period End Date Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Inventory, Finished Goods, Net of Reserves Inventory, Finished Goods, Net of Reserves Other operating activities, net Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Segment Reconciling Items [Member] Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Other Current Assets [Member] Other Current Assets [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Contract with Customer, Liability, Revenue Recognized Contract with Customer, Liability, Revenue Recognized Restricted Stock Rights and Restricted Performance Stock Rights Grant Date Aggregate Fair Value Restricted Stock Rights and Restricted Performance Stock Rights Grant Date Aggregate Fair Value Restricted Stock Rights and Restricted Performance Stock Rights Grant Date Aggregate Fair Value Increase in Unrecognized Tax Benefits is Reasonably Possible Increase in Unrecognized Tax Benefits is Reasonably Possible Adjustment to Compensation: Adjustment to Compensation [Axis] Document Transition Report Document Transition Report Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Document Quarterly Report Document Quarterly Report Customer [Domain] Customer [Domain] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained earnings Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Environmental Contingency [Table] Site Contingency [Table] Accelerated Share Repurchases, Date [Domain] Accelerated Share Repurchases, Date [Domain] Weighted-average common shares outstanding, in millions Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Accelerated Share Repurchases, Date [Axis] Accelerated Share Repurchases, Date [Axis] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Share Repurchases - Notes to Table Share Repurchases Table Abstract Share Repuchase Table Footnotes, detail tags Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Loss Contingency, Range of Possible Loss, Portion Not Accrued Loss Contingency, Range of Possible Loss, Portion Not Accrued Entity Filer Category Entity Filer Category Cost-type [Member] Time-and-Materials Contract [Member] Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Loss Contingencies Loss Contingencies [Line Items] Company Selected Measure Name Company Selected Measure Name