Entity tax identification number Entity Tax Identification Number Participant rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Total investments EBP, Investment, Fair Value 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 EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Self-directed brokerage accounts EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Domestic Equity Domestic Equity [Member] Domestic Equity Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Total Security-backed (Synthetic) Investment Contracts Fund at Fair Market Value (in Managed Income Fund): Managed Income Fund, Fair Value [Member] Managed Income Fund, Fair Value Accrued expenses EBP, Accrued Expense Investments, at fair value Total assets EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Fair Value Adjustment to Contract Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Fair Value Adjustment to Contract Value International Equity International Equity [Member] International Equity Level 1 Fair Value, Inputs, Level 1 [Member] Borrowing term EBP, Note Receivable From Participant, Borrowing Term EBP, Note Receivable From Participant, Borrowing Term BrokerageLink BrokerageLink [Member] BrokerageLink Total Fully Corrected Under VFCP and PTE 2002-51, Interest EBP, Schedule of Delinquent Participant Contribution, Interest, Corrected EBP, Schedule of Delinquent Participant Contribution, Interest, Corrected Total assets EBP, Asset Assets EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions 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] Benefit Payments EBP, Payment to Participant [Policy Text Block] Blended Debt And Equity Blended Debt And Equity [Member] Blended Debt And Equity Amendment Flag Amendment Flag 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] Rate of Interest EBP, Investment, Interest Rate Investment, number of shares (in shares) Number of Shares/Units (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Separate Account Contracts, and Synthetic Guaranteed Investment Contracts in the Managed Income Fund Separate Account Contracts, and Synthetic Guaranteed Investment Contracts in the Managed Income Fund [Policy Text Block] Separate Account Contracts, and Synthetic Guaranteed Investment Contracts in the Managed Income Fund Investments [Domain] Investments [Domain] EBP, Schedule of Delinquent Participant Contribution [Abstract] 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] Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] 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] Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate Minimum Minimum [Member] Fair Value of Assets EBP, Fair Value Of Assets [Policy Text Block] EBP, Fair Value Of Assets Accrued investment income EBP, Investment Income, Receivable Investment Type [Axis] Investment Type [Axis] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participants EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment 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] Contributions Pending Correction in VFCP, Interest EBP, Schedule of Delinquent Participant Contribution, Interest, Pending Correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Interest, Pending Correction in VFCP Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] EBP, Vesting Schedule EBP, Vesting Schedule [Table Text Block] EBP, Vesting Schedule Description of Plan 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] Vesting percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Total Fully Corrected Under VFCP and PTE 2002-51, Participant Contributions EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Corrected EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Corrected Textron Stock Fund EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total additions EBP, Change in Net Asset Available for Benefit, Increase 24 months but less than 36 months EBP, Employer Contribution, Vesting, Period One [Member] EBP, Employer Contribution, Vesting, Period One Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative and other expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense TOTAL ASSETS EBP, Asset Held for Investment Involuntary cash-out limit EBP, Involuntary Cash-out Limit EBP, Involuntary Cash-out Limit Document Information [Line Items] Document Information [Line Items] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Discretionary contribution paid EBP, Discretionary, Employer Contribution Paid EBP, Discretionary, Employer Contribution Paid Total Security-backed (Synthetic) Investment Contracts Fund at Contract Value (in Managed Income Fund): EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value And Fair Value Adjustment to Contract Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value And Fair Value Adjustment to Contract Value Contributions Corrected Outside VFCP, Interest EBP, Schedule of Delinquent Participant Contribution, Interest, Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Interest, Corrected Outside VFCP Fidelity Fund Fidelity Fund [Member] Fidelity Fund EBP 030 EBP 030 [Member] EBP 030 Contributions Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP EBP, Tax Status [Table] EBP, Tax Status [Table] 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] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contributions EBP, Employer Contribution, Receivable Automatic deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Dividend income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Benefit payments EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant 36 months but less than 48 months EBP, Employer Contribution, Vesting, Period Two [Member] EBP, Employer Contribution, Vesting, Period Two Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] 48 months but less than 60 months EBP, Employer Contribution, Vesting, Period Three [Member] EBP, Employer Contribution, Vesting, Period Three EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Contributions Pending Correction in VFCP, Participant Contributions EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Pending Correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Pending Correction in VFCP Defined Benefit Pension Eligible Locations EBP, Defined Benefit Pension Eligible Locations [Member] EBP, Defined Benefit Pension Eligible Locations EBP, Tax Status [Abstract] EBP, Fully Benefit-Responsive Investment Contract EBP, Fully Benefit-Responsive Investment Contract [Table Text Block] Cash (non-interest bearing) EBP, Noninterest-Bearing Cash Administrative Expenses EBP, Expense [Policy Text Block] Notes receivable from participants EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Employee contributions EBP, Participant Contribution, Receivable Document Type Document Type Entity Central Index Key Entity Central Index Key Total Common Collective Trust Funds (outside Textron Managed Income Fund) Common Collective Trust, Fair Value [Member] Common Collective Trust, Fair Value Vesting period EBP, Employer Contribution Vesting Service Period Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Risk and Uncertainty [Abstract] Deductions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Liabilities EBP, Liability [Abstract] Schedule H, Line 4a, Schedule of Delinquent Participant Contributions EBP, Schedule of Delinquent Participant Contribution [Text Block] EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Table] Income Tax Status EBP, Tax Status [Text Block] Investments purchased EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Purchase Price Maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage Document Information [Table] Document Information [Table] Contributions Not Corrected, Interest EBP, Schedule of Delinquent Participant Contribution, Interest, Not Corrected EBP, Schedule of Delinquent Participant Contribution, Interest, Not Corrected Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Total EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Discretionary Profit Sharing Contribution EBP, Discretionary Profit Sharing Contribution [Member] EBP, Discretionary Profit Sharing Contribution EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] 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 EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Investment contracts, at contract value Security-backed investment contracts (Synthetic GICs) EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Debt Securities Debt Securities [Member] Contributions Not Corrected, Participant Contributions EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Not Corrected EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Not Corrected Forfeited nonvested account EBP, Forfeited Nonvested Account Matching percentage EBP, Employer Contribution, Matching Percentage Not Subject to Leveling Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] 60 months or more EBP, Employer Contribution, Vesting, Period Four [Member] EBP, Employer Contribution, Vesting, Period Four EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Contributions Corrected Outside VFCP, Participant Contributions EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Participant Contributions, Corrected Outside VFCP