Investment sold, plan interest in master trust, selling price EBP, Investment Sold, Plan Interest in Master Trust, Selling Price Total investments — at fair value Investments EBP, Investment, Fair Value Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Subsequent Event Subsequent Event [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Accrued investment and administration expenses EBP, Accrued Expense Subsequent Event Type [Domain] Subsequent Event Type [Domain] Plan Interest in Master Trust EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Note receivable from participant, account, borrowing term EBP, Note Receivable From Participant, Account, Outstanding Loan Reduction Duration EBP, Note Receivable From Participant, Account, Outstanding Loan Reduction Duration Reconciliations of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] Total liabilities EBP, Liability Government and agency securities US Treasury and Government [Member] Amounts deemed distributions of Member loans as reflected in the Form 5500 EBP, Reconciliation to Form 5500, Payment to Participant, Increase (Decrease) from Deemed Distribution Amendment Flag Amendment Flag EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Investment, plan interest in master trust, cost EBP, Investment, Plan Interest In Master Trust, Cost EBP, Investment, Plan Interest In Master Trust, Cost EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] Schedule of Fair Value of Master Trust Investments EBP, Investment, Fair Value and NAV [Table Text Block] Mortgage and asset-backed securities Asset-Backed Securities [Member] Investments [Domain] Investments [Domain] Level 3 assets as a percent of total net assets EBP, Level 3 Assets as a Percent of Total Net Assets EBP, Level 3 Assets as a Percent of Total Net Assets Employer matching true-up contributions EBP, Employer True-Up Contribution, Receivable EBP, Employer True-Up Contribution, Receivable Amounts allocated to withdrawing Members — December 31, 2024 EBP, Reconciliation to Form 5500, Payment to Participant, Decrease from Allocation to Withdrawing Participant, Paid Investment acquired, plan interest in master trust, purchase price EBP, Investment Acquired, Plan Interest in Master Trust, Purchase Price EBP, Schedule of Reportable Transaction [Abstract] Total contributions Amounts received from participating plan EBP, Change in Net Asset Available for Benefit, Increase from Contribution Net Master Trust activity Net appreciation of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Contributions Pending Correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP Schedule of Employer Contributions Receivable EBP, Schedule Of Contributions Receivable [Table Text Block] EBP, Schedule Of Contributions Receivable FORM 5500, SCHEDULE G, PART III - SCHEDULE OF NONEXEMPT TRANSACTIONS EBP, Schedule of Reportable Transaction [Text Block] Contributions EBP, Contribution [Policy Text Block] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] EBP, Schedule of Reportable Transaction [Table] EBP, Schedule of Reportable Transaction [Table] Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] MASTER TRUST EBP, Master Trust [Text Block] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Common and preferred stock Equity Securities [Member] Corporate bonds Corporate Bond Securities [Member] EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Subsequent Event Type [Axis] Subsequent Event Type [Axis] NET INCREASE EBP, Change in Net Asset Available for Benefit, Increase (Decrease) RELATED PARTY AND PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] Total Master Trust investments EBP, Investment, Fair and Contract Value EBP, Related Party and Party-in-Interest Transactions [Abstract] Total receivables EBP, Receivable Employer contributions Total receivables: Employer contributions EBP, Employer Contribution, Receivable Forward contracts Forward Contracts [Member] Benefits paid per the financial statements Amounts paid to participating plan EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant EBP, Statement of Net Asset Available for Benefit [Abstract] Futures Future [Member] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Employer catch-up contribution age EBP, Employer Catch-up Contribution Age EBP, Employer Catch-up Contribution Age EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Cash and cash equivalents EBP, Noninterest-Bearing Cash EBP, Master Trust [Table] EBP, Master Trust [Table] Participant contributions EBP, Participant Contribution, Receivable Fair Value, Inputs, Level 1, Level 2, and Level 3 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type Investments: EBP, Investment, Fair and Contract Value [Abstract] Asset held for investment, participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Common/collective trusts Common Collective Trust [Member] EBP 002 EBP 002 [Member] EBP 002 Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants EBP, Note Receivable from Participant Entity Registrant Name Entity Registrant Name Derivative Instrument Risk Type [Axis] Derivative Instrument, Risk Type [Axis] Derivative Instrument, Risk Type Schedule of Master Trust Net Assets EBP, Master Trust [Table Text Block] LIABILITIES: EBP, Liability [Abstract] EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Table] Note receivable from participant, account, maximum loans outstanding EBP, Note Receivable From Participant, Account, Maximum Loans Outstanding EBP, Note Receivable From Participant, Account, Maximum Loans Outstanding EBP, Derivative [Line Items] EBP, Derivative [Line Items] Future Settlement Future Settlement Risk [Member] Future Settlement Risk Investment par value or maturity value EBP, Investment, Par or Maturity Value Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Amounts allocated to withdrawing Members — December 31, 2025 EBP, Reconciliation to Form 5500, Payment to Participant, Increase from Allocation to Withdrawing Participant, Not yet Paid 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] Other EBP, Other Receivable NET ASSETS AVAILABLE FOR BENEFITS Beginning of year End of year Net assets available for benefits per the financial statements EBP, Net Asset Available for Benefit Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Net assets available for benefits per Form 5500 EBP, Form 5500 Caption, Net Assets Not Leveled Fair Value Measured at Net Asset Value Per Share [Member] Interest in master trust, 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] Legal Entity [Axis] Legal Entity [Axis] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] Total Fully Corrected Under VFCP and PTE 2002-51 EBP, Schedule of Delinquent Participant Contribution, Corrected Other investments EBP, Other Investment [Member] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Participant withdrawal, minimum attainment age EBP, Participant Withdrawal, Minimum Attainment Age EBP, Participant Withdrawal, Minimum Attainment Age Change in net asset available for benefit, increase (decrease) from realized gain (loss) on investment, remitted EBP, Change In Net Asset Available For Benefit, Increase (Decrease) From Realized Gain (Loss) On Investment, Remitted EBP, Change In Net Asset Available For Benefit, Increase (Decrease) From Realized Gain (Loss) On Investment, Remitted Note receivable from participant, account, maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FAIR VALUE OF FINANCIAL ASSETS AND FINANCIAL LIABILITIES EBP, Investment, Fair Value and NAV [Text Block] Note receivable from participant, account, minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount DERIVATIVE FINANCIAL INSTRUMENTS EBP, Derivative [Text Block] EBP, Fully Benefit-Responsive Investment Contract [Abstract] Options Options Contracts [Member] Options Contracts Current Value of Asset EBP, Investment Sold, Excluding Plan Interest in Master Trust, Current Value Quoted Prices in Active Market for Identical Asset (Level 1) Fair Value, Inputs, Level 1 [Member] EBP, Investment, Fair Value and NAV [Abstract] Total assets EBP, Asset ASSETS: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] EBP, Derivative [Table] EBP, Derivative [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Benefits EBP, Payment to Participant [Policy Text Block] Foreign Currency Foreign Currency Risk [Member] Foreign Currency Risk EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Current Value (in dollars) EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Basis of Accounting EBP, Basis of Accounting [Policy Text Block] Swaps Swap [Member] Receivables for securities sold EBP, Investment Sale, Receivable Investments — interest in Master Trust EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value Investment, number of shares (in shares) EBP, Investment, Number of Shares Rate EBP, Investment, Interest Rate Total EBP, Derivative, Notional, Amount EBP, Schedule of Delinquent Participant Contribution [Abstract] EBP, Master Trust [Abstract] Use of Estimates EBP, Use of Estimate [Policy Text Block] FORM 5500, SCHEDULE H, LINE 4(i) - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Amounts allocated to withdrawing Members EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Allocation to Withdrawing Participant, Not yet Paid Employer — Boeing common stock Contribution of employer stock 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] Accrued investment income EBP, Investment Income, Receivable Minimum Minimum [Member] SYNTHETIC GUARANTEED INVESTMENT CONTRACTS EBP, Synthetic Guaranteed Investment Contracts [Text Block] EBP, Synthetic Guaranteed Investment Contracts 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 Schedule of Notional Value of Derivative Contracts EBP, Derivative [Table Text Block] Investment income 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] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] DESCRIPTION OF PLAN EBP, Description of Plan [Text Block] 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] Remitted outside VFCP amount EBP, Schedule Of Delinquent Participant Contribution, Remitted Outside VFCP EBP, Schedule Of Delinquent Participant Contribution, Remitted Outside VFCP Interest income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment 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] Boeing common stock EBP, Employer, Common Stock [Member] Short-term investments Short-Term Investments [Member] Investment, Identifier [Axis] Investment, Identifier [Axis] Investment and administration expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Synthetic GICs/SVF Synthetic GICs/SVF EBP, Investment, Contract Value Student loan matching contributions EBP, Employer Student Loan Contribution, Receivable EBP, Employer Student Loan Contribution, Receivable EBP, Schedule of Reportable Transaction [Line Items] EBP, Schedule of Reportable Transaction [Line Items] Derivative Instrument Risk Type [Domain] Derivative Instrument Risk Type [Domain] Derivative Instrument Risk Type [Domain] Net Gain on Each Transaction EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment EBP, Statement of Change in Net Asset Available for Benefit [Abstract] NONEXEMPT PARTY-IN-INTEREST TRANSACTIONS EBP, Nonexempt Party-in-Interest Transactions [Text Block] EBP, Nonexempt Party-in-Interest Transactions Credit Credit Risk [Member] Employee contribution age EBP, Employee Contribution Age EBP, Employee Contribution Age Contributions Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP EBP, Tax Status [Table] EBP, Tax Status [Table] TBAs TBA Contracts [Member] TBA Contracts EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Investments, at fair value: EBP, Investment, Fair Value [Abstract] Dividend income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Delinquent participant contribution, transferred late to plan Participant Contributions Transferred Late to Plan EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Employer matching and Company contributions EBP, Employer Matching And Company Contribution, Receivable EBP, Employer Matching And Company Contribution, Receivable Payables for securities purchased EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] Other EBP, Other Liability EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Expenses EBP, Expense [Policy Text Block] Total benefit payments per Form 5500 EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Participation Loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Valuation of Investments, Cash and Cash Equivalents and Valuation Oversight EBP, Investment [Policy Text Block] PLAN TERMINATION EBP, Plan Termination [Text Block] Entity Central Index Key Entity Central Index Key NET ASSETS AVAILABLE FOR BENEFITS: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] Master Trust EBP, Nonconsolidated, Master Trust [Member] Interest Rate Floor Interest Rate Floor [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] SUMMARY OF ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Cost of Asset EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost FORM 5500, SCHEDULE H, LINE 4(a) - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Schedule of Delinquent Participant Contribution [Text Block] TAX STATUS EBP, Tax Status [Text Block] Note receivable from participant, account, maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Document Information [Table] Document Information [Table] Remitted amount EBP, Schedule Of Delinquent Participant Contribution, Remitted EBP, Schedule Of Delinquent Participant Contribution, Remitted EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Investment acquired, excluding plan interest in master trust, remitted EBP, Investment Acquired, Excluding Plan Interest In Master Trust, Remitted EBP, Investment Acquired, Excluding Plan Interest In Master Trust, Remitted Contributions Not Corrected EBP, Schedule of Delinquent Participant Contribution, Not Corrected Entity [Domain] Entity [Domain] Equity Equity Risk [Member] Equity Risk Interest Rate Interest Rate Risk [Member] EBP, Derivative [Abstract] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table]