Revenue Contract with Customer, Performance Obligation Satisfied in Previous Period California Franchise Tax Board California Franchise Tax Board [Member] Roshan S. Roeder [Member] Roshan S. Roeder Other Customers [Member] Other Customers [Member] US state and local government and US commercial customers. 2029 Notes 2029 Notes [Member] 2029 Notes Operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Related Party Transactions Disclosure Related Party Transactions Disclosure [Text Block] Payments of long-term debt Repayments of Long-Term Debt Amount remaining under authorization for share repurchases Share Repurchase Program, Remaining Authorized, Amount Unbilled receivables, net Contract with Customer, Asset, after Allowance for Credit Loss, Current Fixed-price [Member] Fixed-Price Contract [Member] Decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Other current liabilities Other Liabilities, Current Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Trading Symbol Trading Symbol Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] B-21 Program LRIP Options 1-5 B-21 Program LRIP Options 1-5 [Member] B-21 Program LRIP Options 1-5 All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Non-NEOs Non-NEOs [Member] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash dividends declared per share Common stock dividends per share, declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Debt Instrument, Covenant Compliance Debt Instrument, Covenant Compliance Accelerated Share Repurchases [Table] Accelerated Share Repurchases [Table] Change in Accounting Estimate [Abstract] Change in Accounting Estimate [Abstract] Pay vs Performance Disclosure [Line Items] Line of Credit Facility [Table] Line of Credit Facility [Table] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Award Timing Disclosures [Line Items] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information. Other Performance Measure, Amount Other Performance Measure, Amount INVESTIGATIONS, CLAIMS AND LITIGATION Legal Matters and Contingencies [Text Block] Robert J. Fleming [Member] Robert J. Fleming Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Operating lease liabilities Operating Lease, Liability, Noncurrent Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Advance payments and billings in excess of costs incurred Contract with Customer, Liability, Current United States UNITED STATES Defense Systems [Member] Defense Systems [Member] Defense Systems reporting segment. Service cost Defined Benefit Plan, Service Cost Other non-current assets Other Assets, Noncurrent Entity Tax Identification Number Entity Tax Identification Number Schedule of Income Tax Expense and Effective Income Tax Rates Schedule of Income Tax Expense and Effective Income Tax Rates [Table Text Block] Schedule of Income Tax Expense and Effective Income Tax Rates [Table Text Block] Disclosure Text Block Supplement [Abstract] Disclosure Text Block Supplement [Abstract] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Standby Unused Letters Of Credit and bank guarantees Standby Unused Letters Of Credit and bank guarantees Financial instruments issued by a bank, on behalf of the company and in favor of a beneficiary, which substitutes the company's credit worthiness with that of the bank. Letters of Credit are usually issued in conformance with a set of governing rules. Operating Segments [Member] Operating Segments [Member] Income Tax Reconciliation Deductions FDII Effective Income Tax Rate Reconciliation, FDII, Amount Tax Adjustments, Settlements, and Unusual Provisions Tax Adjustments, Settlements, and Unusual Provisions Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent Change in Contract with Customer, Liability [Abstract] Change in Contract with Customer, Liability [Abstract] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] 2034 Notes 2034 Notes [Member] 2034 Notes Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Intersegment OM Intersegment Eliminations [Member] December 2023 Share Repurchase Program December 2023 Share Repurchase Program [Member] December 2023 Share Repurchase Program Sales percentage RevenuefromContractwithCustomerPercentage RevenuefromContractwithCustomerPercentage Income Taxes Receivable Income Taxes Receivable Statement, Equity Components [Axis] Equity Components [Axis] Prepaid expenses and other current assets Other Assets, Current Award Timing Method Award Timing Method [Text Block] Net periodic pension and OPB income Net periodic benefit cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table] Change in Unrecognized Tax Benefit, Reasonably Possible [Table] Insider Trading Policies and Procedures [Line Items] Accounting Estimates Use of Estimates, Policy [Policy Text Block] 2054 Notes 2054 Notes [Member] 2054 Notes Adjustment to Compensation, Amount Adjustment to Compensation Amount Paid-in capital Additional Paid in Capital, Common Stock Compensation Amount Outstanding Recovery Compensation Amount Diluted earnings per share Earnings Per Share, Diluted [Abstract] Stock Repurchased and Retired During Period, Value Treasury Stock, Value, Acquired, Par Value Method Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Geographical [Axis] Geographical [Axis] Tabular List, Table Tabular List [Table Text Block] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Accrual for Environmental Remediation Costs Accrual for Environmental Loss Contingencies Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Loss Contingency Accrual Loss Contingency Accrual Credit Facility [Domain] Credit Facility [Domain] Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Nature of Unrecognized Tax Benefits [Domain] Nature of Unrecognized Tax Benefits [Domain] Nature of Unrecognized Tax Benefits [Domain] Aeronautics Systems [Member] Aeronautics Systems [Member] Aeronautics Systems reporting segment. Goodwill Goodwill Consolidation Items [Axis] Consolidation Items [Axis] Fair Value of Long-term Debt Fair Value of Financial Instruments, Policy [Policy Text Block] Payments of employee taxes withheld from share-based awards Payment, Tax Withholding, Share-Based Payment Arrangement Amount Authorized Share Repurchase Program, Authorized, Amount Inventory Disclosure [Text Block] Inventory Disclosure [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Foreign Exchange Forward [Member] Foreign Exchange Forward [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Other financing activities, net Proceeds from (Payments for) Other Financing Activities Unrecognized Tax Benefit Detail Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Pension Benefits Pension Plan [Member] Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Security Exchange Name Security Exchange Name Award Type [Axis] Award Type [Axis] Basic earnings per share Earnings Per Share, Basic [Abstract] Inventory, Work in Process, Net of Reserves Inventory, Work in Process, Net of Reserves Property, plant and equipment, net of accumulated depreciation of $8,998 for 2025 and $8,733 for 2024 Property, Plant and Equipment, Net Total liabilities Liabilities Line of Credit Facility, Covenant Terms, Maximum Debt to Capitalization Ratio Line of Credit Facility, Covenant Terms Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Backlog, Awards, and Related Adjustments [Table] Backlog, Awards, and Related Adjustments [Table] Backlog, Awards, and Related Adjustments Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Expiration Date Trading Arrangement Expiration Date Fair Value, Nonrecurring [Member] Fair Value, Nonrecurring [Member] Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount Common Stock, Shares, Issued Common Stock, Shares, Issued Income taxes payable, net Increase (Decrease) in Income Taxes Payable Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Site Contingency [Line Items] Site Contingency [Line Items] Share Repurchases Class of Treasury Stock [Table Text Block] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Debt Instrument [Line Items] Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Europe Europe [Member] Common Stock, Shares Authorized Common Stock, Shares Authorized Derivatives Derivative Assets (Liabilities), at Fair Value, Net B-21 Program LRIP Options 1-2 B-21 Program LRIP Options 1-2 [Member] B-21 Program LRIP Options 1-2 Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Weighted-average diluted shares outstanding, in millions Weighted Average Number of Shares Outstanding, Diluted Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Total shareholders’ equity Beginning of period End of period Equity, Attributable to Parent December 2024 Share Repurchase Program December 2024 Share Repurchase Program [Member] December 2024 Share Repurchase Program Hedging Designation [Domain] Hedging Designation [Domain] Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Software and Software Development Costs [Member] Software and Software Development Costs [Member] Fair Value, Recurring [Member] Fair Value, Recurring [Member] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Product [Member] Product [Member] Revenue, Geographic Location [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Noncash or Part Noncash Acquisition, Fixed Assets Acquired Noncash or Part Noncash Acquisition, Fixed Assets Acquired Environmental Remediation Range of Future Costs [Table] Environmental Remediation Range of Future Costs [Table] Environmental Remediation Range of Future Costs, the amount accrued within the rang and the deferred costs expected to be recoverable through overhead charges on US Government contracts [Table] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Q1'24 ASR [Domain] Q1 2024 ASR [Member] Q1'24 ASR Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Assets Assets [Abstract] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Document Type Document Type Derivative Contract [Domain] Derivative Contract [Domain] Commercial Paper [Member] Commercial Paper [Member] Backlog, Awards, and Related Adjustments [Line Items] Backlog, Awards, and Related Adjustments [Line Items] Backlog, Awards, and Related Adjustments Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Net borrowings on commercial paper Proceeds from (Repayments of) Commercial Paper Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Average Cost Per Share Shares Acquired, Average Cost Per Share Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Intersegment Sales [Member] Intersegment sales Intersegment Sales [Member] Intersegment Sales [Member] Inventory, Current [Table] Inventory, Current [Table] Maximum [Member] Maximum [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Trade accounts payable Accounts Payable, Current Kathryn G. Simpson [Member] Kathryn G. Simpson Liabilities Liabilities [Abstract] Leasehold Improvements [Member] Leasehold Improvements [Member] Cash Units and Cash Performance Units Cash Units and Cash Performance Units [Member] Cash Units and Cash Performance Units [Member] Current Fiscal Year End Date Current Fiscal Year End Date Increase in quarterly common stock dividend (percent) Increase (Decrease) in Stock Dividend, Percentage Increase (Decrease) in Stock Dividend, Percentage Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Earnings before income taxes Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Award Type [Domain] Award Type [Domain] Accumulated Other Comprehensive Income (Loss), Other Components, Net of Tax Accumulated Other Comprehensive Income (Loss), Other Components, Net of Tax Accumulated Other Comprehensive Income (Loss), Other Components, Net of Tax Name Outstanding Recovery, Individual Name 2025 Notes [Member] 2025 Notes [Member] 2025 Notes All other All Other - Geographic Region [Domain] All Other - Geographic Region [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Pension and other postretirement benefit plan liabilities Liability, Defined Benefit Plan, Noncurrent Deferred tax assets Deferred Income Tax Assets, Net Non-PEO NEO Non-PEO NEO [Member] Restricted Program [Member] B-21 Program [Member] B-21 Program Paid-in capital Additional Paid-in Capital [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Unbilled receivables, net Increase (Decrease) in Contract with Customer, Asset Gain on Sale of Investments Gain on Sale of Investments Cash dividends paid Payments of Ordinary Dividends, Common Stock RETIREMENT BENEFITS Retirement Benefits [Text Block] New Accounting Pronouncements, Policy New Accounting Pronouncements, Policy [Policy Text Block] Amortization of prior service credit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Long-Term Debt Long-Term Debt [Text Block] Diluted earnings per share Diluted earnings per share Earnings Per Share, Diluted Non-operating FAS pension benefit Non-Operating FAS Pension Benefit Non-Operating FAS Pension Benefit Revenue from Contract with Customer Revenue from Contract with Customer [Policy Text Block] Employer contributions to retirement plans Schedule of Defined Benefit Plans Disclosures [Table Text Block] Name Measure Name Operating costs and expenses Cost of Goods and Services Sold [Abstract] Entity Interactive Data Current Entity Interactive Data Current Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Backlog Reduction due to Contract Termination Backlog Reduction due to Contract Termination Backlog Reduction due to Contract Termination Retirement Benefits [Abstract] Retirement Benefits [Abstract] Preferred Stock, Shares Issued Preferred Stock, Shares Issued Customer [Axis] Customer [Axis] Maximum Loss Contingency Maximum Loss Contingency [Member] Maximum Loss Contingency Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Cash Units and Cash Performance Units Aggregate Payout Amount [Table Text Block] Cash Units and Cash Performance Units Aggregate Payout Amount [Table Text Block] [Table Text Block] for Cash Units and Cash Performance Units Aggregate Payout Amount [Table] Revenue by Major Customers by Reporting Segments Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Unrecognized Tax Benefits, Period Increase (Decrease) Unrecognized Tax Benefits, Period Increase (Decrease) NGI Program [Member] NGI Program [Member] NGI Program Federal and foreign income tax expense Income Tax Expense (Benefit) Interest cost Defined Benefit Plan, Interest Cost Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Derivative, Notional Amount Derivative, Notional Amount Components of Net Periodic Benefit Cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Service [Member] Service [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] International(2) International Customer [Member] International Customer Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Operating income Operating Income (Loss) Variable Rate [Domain] Variable Rate [Domain] Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Total liabilities and shareholders’ equity Liabilities and Equity Subsequent Events Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accrued employee compensation Employee-related Liabilities, Current Investments in Marketable Securities Marketable Securities, Policy [Policy Text Block] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Commercial Paper, Average Rate Paid Commercial Paper, Average Rate Paid Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Kathy J. Warden [Member] Kathy J. Warden Financial Arrangements Other Commitments [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Environmental Matters Environmental Remediation Obligations [Abstract] Individual: Individual [Axis] Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Inventoried costs, net Inventory, Net Intersegment Costs [Member] Intersegment Costs [Member] Intersegment Costs Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Product and Service [Axis] Product and Service [Axis] Entity Address, State Or Province Entity Address, State or Province Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Sales, operating costs and expenses, and operating income by segment Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Disposal Group, Including Discontinued Operation, Consideration Disposal Group, Including Discontinued Operation, Consideration Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Share Repurchase [Line Items] Equity, Class of Treasury Stock [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] 2022 Repurchase Program - Completion Date 2022 Repurchase Program - Completion Date 2022 Repurchase Program - Completion Date Surety Bond Outstanding Surety Bond Outstanding Surety Bond Outstanding Derivative Financial Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Loss Contingency, Estimate of Possible Loss Loss Contingency, Estimate of Possible Loss Asia/Pacific Asia Pacific [Member] Minimum [Member] Minimum [Member] U.S. Government Cost Claims Government Cost Claims [Policy Text Block] Government Cost Claims and Contingencies as it relates to government contracting Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Pension and OPB contributions Payment for Pension and Other Postretirement Benefits Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Unrecognized Tax Benefits Related to Methods of Accounting - 451(b) Unrecognized Tax Benefits Related to Methods of Accounting - 451(b) Unrecognized Tax Benefits Related to Methods of Accounting - 451(b) Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] B-21 Program LRIP Options 3-5 B-21 Program LRIP Options 3-5 [Member] B-21 Program LRIP Options 3-5 Debt Instruments [Abstract] Debt Instruments [Abstract] Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Segments [Axis] Segments [Axis] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Inventory [Line Items] Inventory [Line Items] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Exercise Price Award Exercise Price Accelerated Share Repurchase Final Receipt Accelerated Share Repurchase Final Receipt (Shares) Accelerated Share Repurchase Final Receipt (Shares) Arrangement Duration Trading Arrangement Duration Shareholders’ equity Equity, Attributable to Parent [Abstract] January 2022 Share Repurchase Program January 2022 Share Repurchase Program [Member] January 2022 Share Repurchase Program Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments [Domain] Segments [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] All Individuals All Individuals [Member] PEO PEO [Member] Variable Rate [Axis] Variable Rate [Axis] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Name Trading Arrangement, Individual Name Other, net Other Nonoperating Income (Expense) OPB Other Postretirement Benefits Plan [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other (expense) income Other Nonoperating Income (Expense) [Abstract] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Decrease in Unrecognized Tax Benefits is Reasonably Possible Decrease in Unrecognized Tax Benefits is Reasonably Possible Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Significant Awards [Domain] Significant Awards [Domain] Significant Awards Local Phone Number Local Phone Number Accelerated Share Repurchases, Settlement (Payment) or Receipt Accelerated Share Repurchases, Settlement (Payment) or Receipt Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Total operating costs and expenses Operating Expenses Revenue from External Customers by Contract Type Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] PEO Total Compensation Amount PEO Total Compensation Amount Environmental Remediation Expense, Recovery Environmental Remediation Expense, Recovery Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Recorded Third-Party Environmental Recoveries, Amount Recorded Third-Party Environmental Recoveries, Amount COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Common stock Common Stock [Member] Measure: Measure [Axis] Line of Credit Facility Line of Credit Facility [Abstract] Stock compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Segment Reporting [Abstract] Segment Reporting [Abstract] Entity Central Index Key Entity Central Index Key Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Corporate [Member] Corporate Segment [Member] Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] EARNINGS PER SHARE, SHARE REPURCHASES AND DIVIDENDS ON COMMON STOCK Equity [Text Block] Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Preferred Stock, Par Value Preferred Stock, Par or Stated Value Per Share SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Long-term Debt, Current Maturities Long-Term Debt, Current Maturities IRC Section 451(b) IRC Section 451(b) [Member] IRC Section 451(b) Schedule of Share Repurchases, by Program [Table] Class of Treasury Stock [Table] Adjustments to reconcile to net cash used in operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Accelerated Share Repurchases, Cash or Stock Settlement Accelerated Share Repurchases, Cash or Stock Settlement Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Change in Accounting Estimate [Table] Change in Accounting Estimate [Table] B-21 loss provision Loss Contingency, Loss in Period Title Trading Arrangement, Individual Title Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] Statement [Table] Statement [Table] Measurement Frequency [Domain] Measurement Frequency [Domain] Unrecognized Tax Benefits Unrecognized Tax Benefits Consolidation Items [Domain] Consolidation Items [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] City Area Code City Area Code Accelerated Share Repurchases, Adjustment to Recorded Amount Accelerated Share Repurchases, Adjustment to Recorded Amount Changes in assets and liabilities: Increase (Decrease) in Operating Assets [Abstract] Segment Reporting Information, Revenue for Reportable Segment [Abstract] Segment Reporting Information, Revenue for Reportable Segment [Abstract] Space Systems [Member] Space Systems [Member] Space Systems reporting segment. Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Change in cumulative translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Common stock repurchases Payments for Repurchase of Common Stock Change in other, net Other Comprehensive Income (Loss), Other Components, Net of Tax Other Comprehensive Income (Loss), Other Components, Net of Tax Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Pension and Other Postretirement Plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Defined benefit plan, contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Employer Marketable Securities Marketable Securities Long-term debt, net of current portion of $605 for 2025 and $1,582 for 2024 Long-Term Debt, Excluding Current Maturities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Accelerated Share Repurchase Initial Receipt (Shares) Accelerated Share Repurchase Initial Receipt (Shares) Accelerated Share Repurchase Initial Receipt (Shares) Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Revenue, Remaining Performance Obligation, Percentage Revenue, Remaining Performance Obligation, Percentage INCOME TAXES Income Tax Disclosure [Text Block] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Common stock repurchased Stock Repurchased and Retired During Period, Value Stock Repurchased and Retired During Period, Value Earnings Per Share [Abstract] Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Inventory, Raw Materials, Net of Reserves Inventory, Raw Materials, Net of Reserves Retained earnings Retained Earnings (Accumulated Deficit) Significant Awards [Axis] Significant Awards [Axis] Significant Awards Shares Repurchased Stock Repurchased and Retired During Period, Shares Nonvested Restricted Stock Shares Activity [Table Text Block] Schedule of Nonvested Share Activity [Table Text Block] FAS/CAS operating adjustment FAS/ CAS operating adjustment FAS/ CAS operating adjustment Inventoried costs, net Increase (Decrease) in Inventories Shares Retired Treasury Stock, Shares, Retired Environmental Remediation Range of Future Costs [Line Items] Environmental Remediation Range of Future Costs [Line Items] [Line Items] for Environmental Remediation Range of Future Costs, the amount accrued within the range and the deferred costs expected to be recoverable through overhead charges on US Government contracts [Table] General and administrative expenses General and Administrative Expense Deferred income taxes Deferred Income Taxes and Tax Credits Inventoried costs, net Inventory, Net of Allowances, Customer Advances and Progress Billings Other Noncurrent Liabilities [Member] Other Noncurrent Liabilities [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Accelerated Share Repurchases, Final Price Paid Per Share Accelerated Share Repurchases, Final Price Paid Per Share Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Performance Shares [Member] Performance Shares [Member] Credit Facility [Axis] Credit Facility [Axis] Cash Performance Units Cash Performance Units [Member] Cash performance units. 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] Pension and other postretirement benefit plan assets Assets for Plan Benefits, Defined Benefit Plan 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: 2025—144,071,022 and 2024—144,952,026 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] 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 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 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 Cost Reimbursable Cost Reimbursable [Member] Cost Reimbursable contract type 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 Debt Instrument [Axis] Debt Instrument [Axis] Disposal Groups, Including Discontinued Operations, Disclosure Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 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 Segment, Reconciliation of Other Items from Segments to Consolidated Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] 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 Extinguishment of Debt, Amount Extinguishment of Debt, Amount Thomas H. Jones [Member] Thomas H. Jones Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Nature of Uncertainty [Axis] Nature of Uncertainty [Axis] 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 Reporting, Reconciling Item, Excluding Corporate Nonsegment [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 Nature of Unrecognized Tax Benefits [Axis] Nature of Unrecognized Tax Benefits [Axis] Nature of Unrecognized Tax Benefits 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 Other Defined Benefit Plan, Other Cost (Credit) 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] Expected Gain (Loss) on Disposition of Business Expected Gain (Loss) on Disposition of Business Expected Gain (Loss) on Disposition of Business 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 Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Loss Contingencies Loss Contingencies [Line Items] Company Selected Measure Name Company Selected Measure Name