Total investments, at fair value EBP, Investment, Fair Value Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Total fully corrected under VFCP and PTE 2002-51 EBP, Schedule of Delinquent Participant Contribution, Corrected Loan repayment period EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Participant-directed brokerage accounts Participant-directed brokerage accounts EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Accrued administrative expenses EBP, Accrued Expense Foreign government Foreign government EBP, Foreign Government Securities [Member] EBP, Foreign Government Securities Primary residence, number of notes outstanding EBP, Note Receivable from Participant, Primary Residence, Number of Notes Outstanding EBP, Note Receivable from Participant, Primary Residence, Number of Notes Outstanding EBP Represented Employee EBP Rep Emp [Member] EBP Rep Emp Net increase Net increase in net assets per financial statements EBP, Change in Net Asset Available for Benefit, Including Plan Transfers, Increase (Decrease) EBP, Change in Net Asset Available for Benefit, Including Plan Transfers, Increase (Decrease) Plan's Interest in Master Trust Balances EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Quoted price in active markets for identical assets (Level 1) Fair Value, Inputs, Level 1 [Member] Schedule of Reconciliation of Financial Statement to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] Corporate debt Corporate debt Corporate Debt Securities [Member] Total assets EBP, Asset Assets: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions to net assets attributed to: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Net transfers EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Payment of Benefits EBP, Payment to Participant [Policy Text Block] US government US government US Treasury and Government [Member] EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Amendment Flag Amendment Flag Delinquent notes receivable in financial statements recorded as deemed distributions in the Form 5500 EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Number of shares held (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Schedule of Fair Value Hierarchy EBP, Investment, Fair Value and NAV [Table Text Block] Investments [Domain] Investments [Domain] EBP, Schedule of Delinquent Participant Contribution [Abstract] EBP, Master Trust [Abstract] Investments in Master Trust at contract value EBP, Investment, Plan Interest in Master Trust, Contract Value Use of Estimates EBP, Use of Estimate [Policy Text Block] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash EBP, Schedule of Delinquent Participant Contribution [Line Items] EBP, Schedule of Delinquent Participant Contribution [Line Items] Discretionary contribution amount EBP, Employer Discretionary Contribution Amount EBP, Employer Discretionary Contribution Amount Minimum Minimum [Member] Net transfers within Master Trust EBP, Change in Net Asset Available for Benefit, Transfer to (from) Fund within ESOP Investment Type [Axis] Investment Type [Axis] Interest income from notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Interest and dividends EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Vesting period EBP, Employer Contribution Vesting Service Period Plan Description EBP, Description of Plan [Text Block] Contributions pending correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Deemed distributions of participant loans reported in the 2024 Form 5500 EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Prior Period, Increase from Deemed Distribution EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] General Dynamics Corporation common stock General Dynamics Corporation common stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total additions EBP, Change in Net Asset Available for Benefit, Increase Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Synthetic GICs EBP, Investment, Contract Value Maximum number of notes outstanding EBP, Note Receivable from Participant, Maximum Number of Notes Outstanding EBP, Note Receivable from Participant, Maximum Number of Notes Outstanding Document Information [Line Items] Document Information [Line Items] Interest bearing cash Interest bearing cash Interest-Bearing Deposits [Member] Net assets available for benefits: Net assets: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Investments EBP, Master Trust [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Deemed distributions of participant loans reported in the 2025 Form 5500 EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Current Period, Decrease from Deemed Distribution Net increase in net assets per the Form 5500 EBP, Form 5500 Caption, Net Income (Loss) Contributions corrected outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP EBP, Tax Status [Table] EBP, Tax Status [Table] Net increase prior to transfers EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Party‑in‑Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Contributions receivable – employer EBP, Employer Contribution, Receivable Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment Dividend earned EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Mortgage and asset-backed Mortgage and asset-backed EBP, Mortgage and Asset-Backed Securities [Member] EBP, Mortgage and Asset-Backed Securities Registered investment companies Registered investment companies EBP, Registered Investment Companies [Member] EBP, Registered Investment Companies Investments in Master Trust at fair value EBP, Investment, Plan Interest in Master Trust, Fair Value Late remittances corrected in 2026 EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Overnight deposit accounts Overnight deposit accounts EBP, Overnight Deposit Accounts [Member] EBP, Overnight Deposit Accounts Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Investments in other equity securities Investments in other equity securities Other Security Investments [Member] Primary residence, borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Borrowing Term EBP, Tax Status [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Non-interest bearing accounts EBP, Noninterest-Bearing Cash EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Administrative Expenses EBP, Expense [Policy Text Block] Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Participant loans, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] EBP, Master Trust [Table] EBP, Master Trust [Table] Document Type Document Type Net pending trades payables and interest receivable EBP, Net Pending Trades Payables and Interest Receivable EBP, Net Pending Trades Payables and Interest Receivable Vesting percentage EBP, Participant Contributions and Earning, Vesting Percentage Plan Termination EBP, Plan Termination [Text Block] CIK Entity Central Index Key Participant loans, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Collective trusts Collective trusts Common Collective Trust [Member] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Deductions from net assets attributed to: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants EBP, Note Receivable from Participant Master Trust Balances EBP, Nonconsolidated, Master Trust [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Schedule of Master Trust Net Assets EBP, Master Trust [Table Text Block] EBP, Subsequent Event [Abstract] Liabilities: EBP, Liability [Abstract] Subsequent Events EBP, Subsequent Event [Text Block] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Delinquent Participant Contribution [Text Block] EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Table] Tax Status EBP, Tax Status [Text Block] Maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Nonexempt prohibited transactions EBP, Schedule of Delinquent Participant Contribution, Nonexempt Prohibited Transactions EBP, Schedule of Delinquent Participant Contribution, Nonexempt Prohibited Transactions Contribution to eligible compensation, percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Participation in net income of Master Trust Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Significant unobservable inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Contributions not corrected EBP, Schedule of Delinquent Participant Contribution, Not Corrected Net assets available for benefits Beginning of year End of year Net assets available for benefits as reported in the financial statements EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Net assets available for benefits as reported in the Form 5500 EBP, Form 5500 Caption, Net Assets Investment concentrations percentage EBP, Interest in Master Trust, Percentage EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]