3 years Three Years [Member] Three Years Interest in Master Trust EBP, Master Trust [Policy Text Block] Entity tax identification number Entity Tax Identification Number Total investments at fair value EBP, Investment, Fair Value Participant 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] Employer contribution vesting percentage EBP, Employer Contribution Vesting Percentage EBP, Employer Contribution Vesting Percentage Minimum crediting rate EBP, Investment, Minimum Crediting Rate EBP, Investment, Minimum Crediting Rate Maximum percentage of participant account that may be invested in company common stock, investment transfer EBP, Maximum Percentage Of Participant Account That May Be Invested In Company Common Stock, Investment Transfer EBP, Maximum Percentage Of Participant Account That May Be Invested In Company Common Stock, Investment Transfer Selling Price EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price 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] Brokerage window account EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Participant loans, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FINANCIAL INSTRUMENTS EBP, Investment, Fair Value and NAV [Text Block] Employer contribution vesting service period EBP, Employer Contribution Vesting Service Period EBP, Employer Contribution Vesting Service Period Note receivable from participant, primary residence, maximum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term Participant loan, minimum amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Employer contribution maximum vesting age EBP, Employer Contribution Maximum Vesting Age EBP, Employer Contribution Maximum Vesting Age Accrued administrative expenses EBP, Accrued Expense EBP, Fully Benefit-Responsive Investment Contract [Abstract] Investments, at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Sales, Current Value of Asset on Transaction Date EBP, Investment Sold, Excluding Plan Interest in Master Trust, Current Value Plan’s interest in Master Trust Balances EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Dividend vesting percentage EBP, Dividend Vesting Percentage EBP, Dividend Vesting Percentage SYNTHETIC GUARANTEED INVESTMENT CONTRACTS EBP, Fully Benefit-Responsive Investment Contract [Text Block] EBP, Investment, Fair Value and NAV [Abstract] 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] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Trustee EBP, Trustee [Member] EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Total liabilities EBP, Liability 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] Due from broker for securities sold EBP, Investment Sale, Receivable Plan interest in Master Trust EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value Rate of interest EBP, Investment, Interest Rate Investment, number of shares (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] Employer contribution, participant compensation matched, percentage, pension plans EBP, Employer Contribution, Participant Compensation Matched, Percentage, Pension Plans EBP, Employer Contribution, Participant Compensation Matched, Percentage, Pension Plans EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] EBP, Participant-Directed EBP, Participant-Directed [Member] EBP, Employer Contribution, Service Period [Domain] EBP, Employer Contribution, Service Period [Domain] EBP, Employer Contribution, Service Period [Domain] Investments [Domain] Investments [Domain] 1 year One Year [Member] One Year EBP, Master Trust [Abstract] Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] CREDIT RISKS AND UNCERTAINTIES EBP, Risk and Uncertainty [Text Block] Employer (in-kind benefit) EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Less than 1 year Less Than One Year [Member] Less Than One Year Synthetic guaranteed investment contracts, at contract value EBP, Synthetic Investment Contract [Member] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Minimum Minimum [Member] EBP, Schedule of Reportable Transaction [Abstract] Accrued interest & dividends EBP, Investment Income, Receivable Investment Type [Axis] Investment Type [Axis] Interest on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Note receivable from participant, transfers, borrowing term EBP, Note Receivable From Participant, Account, Transfers, Borrowing Term EBP, Note Receivable From Participant, Account, Transfers, Borrowing Term Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Maximum percentage of participant account that may be invested in company common stock, new investments EBP, Maximum Percentage Of Participant Account That May Be Invested In Company Common Stock, New Investments EBP, Maximum Percentage Of Participant Account That May Be Invested In Company Common Stock, New Investments Participant (other than rollovers) 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 Total 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] Plan number EBP, Plan Number 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] Purchases, Current Value of Asset on Transaction Date EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Current Value 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] Schedule H, Line 4(j), Schedule of Reportable Transactions EBP, Schedule of Reportable Transaction [Text Block] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Interest EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] L3Harris 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 EBP, Schedule of Reportable Transaction [Table] EBP, Schedule of Reportable Transaction [Table] Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense TOTAL EBP, Asset Held for Investment Synthetic guaranteed investment contracts EBP, Investment, Contract Value EBP, Employer Contribution, Service Period [Axis] EBP, Employer Contribution, Service Period [Axis] EBP, Employer Contribution, Service Period Document Information [Line Items] Document Information [Line Items] Fees paid EBP, Fees Paid To Related Party EBP, Fees Paid To Related Party EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] 4 years Four Years [Member] Four Years EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] EBP, Schedule of Reportable Transaction [Line Items] EBP, Schedule of Reportable Transaction [Line Items] MASTER TRUST EBP, Master Trust [Text Block] Fixed income Common Collective Trust, Fixed Income [Member] Common Collective Trust, Fixed Income Net Gain or (Loss) EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Realized Gain (Loss) on Investment Employer contribution, 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] EBP, Plan Vesting EBP, Plan Vesting [Table Text Block] EBP, Plan Vesting Percentage of newly made matching contributions allowed to invest in company common stock EBP, Percentage Of Newly Made Matching Contributions Allowed To Invest In Company Common Stock EBP, Percentage Of Newly Made Matching Contributions Allowed To Invest In Company Common Stock EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Tax Status [Table] EBP, Tax Status [Table] Net change in plan assets available for benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) RELATED-PARTY 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 Total receivables EBP, Receivable Sales, Cost of Asset EBP, Investment Sold, Excluding Plan Interest in Master Trust, Cost Participant contribution, automatic deferral rate EBP, Participant Contribution, Automatic, Deferral Rate EBP, Investment, Fair Value [Abstract] EBP, Investment, Fair Value [Abstract] Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Dividends EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Plan interest in Master Trust EBP, Investment, Plan Interest in Master Trust, Fair Value Investments, fair 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] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Note receivable from participant, general loan, borrowing term EBP, Note Receivable From Participant, General Loan, Borrowing Term EBP, Note Receivable From Participant, General Loan, Borrowing Term Due to broker for securities purchased EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] Common stock fund EBP, Employer, Common Stock Fund [Member] Required service period EBP, Requisite Service Period EBP, Requisite Service Period Administrative Expenses EBP, Expense [Policy Text Block] 2 years Two Years [Member] Two Years Employment period required to avoid forfeiture EBP, Forfeited Nonvested Account, Return To Employment Period Required To Avoid Forfeiture EBP, Forfeited Nonvested Account, Return To Employment Period Required To Avoid Forfeiture Notes receivable from participants EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Valuation of Investments and Income Recognition EBP, Investment [Policy Text Block] EBP, Master Trust [Table] EBP, Master Trust [Table] Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type Related party EBP, Other Related Party and Party-in-Interest [Member] Entity Central Index Key Entity Central Index Key 5 years Five Years [Member] Five Years Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Common/collective trust fund Common Collective Trust [Member] EBP, Risk and Uncertainty [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Reduction in company contributions from forfeited non-vested accounts EBP, Forfeited Nonvested Account, Decrease from Employer Contribution 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 EBP, Master Trust EBP, Master Trust [Table Text Block] Purchases, Cost of Asset EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost EBP, Subsequent Event [Abstract] LIABILITIES EBP, Liability [Abstract] SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] INCOME TAX STATUS EBP, Tax Status [Text Block] Purchase Price EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Purchase Price Participant loans, maximum percentage of vested portion EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Investment, par value EBP, Investment, Par or Maturity Value EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Investments, fair value Investments, At Fair Value [Member] Investments, At Fair Value EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Equities Common Collective Trust, Equities [Member] Common Collective Trust, Equities 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] 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] Synthetic guaranteed investment contracts, at contract value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Forfeited amounts included in Plan assets EBP, Forfeited Nonvested Account Employer contribution, matching percentage EBP, Employer Contribution, Matching Percentage Participant loan, incremental borrowing amount EBP, Note Receivable from Participant, Account, Incremental Borrowing, Amount EBP, Note Receivable from Participant, Account, Incremental Borrowing, Amount NAV Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP 015 EBP 015 [Member] EBP 015