Entity tax identification number Entity Tax Identification Number 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] Mutual funds Mutual Fund [Member] Total income EBP, Change in Net Asset Available for Benefit, Increase From Income EBP, Change in Net Asset Available for Benefit, Increase From Income EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] 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 Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount 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. Money market fund Money Market Funds [Member] Primary residence, borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term Plan Interest EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Level 1 Fair Value, Inputs, Level 1 [Member] EBP, Investment, Fair Value and NAV [Abstract] Minimum vested plan account balance EBP, Note Receivable from Participant, Account, Minimum Vested Plan Balance EBP, Note Receivable from Participant, Account, Minimum Vested Plan Balance 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] Transfers from (to) other Harley plans EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Employer contribution EBP, Employer Contribution EBP, Employer Contribution Net increase prior to transfers EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Prior To Transfer To (From) Plan EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Prior To Transfer To (From) Plan 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] Investment in Harley-Davidson Retirement Savings Plan Master Trust (Note 3) EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value Investment, number of shares (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] EBP 005 EBP 005 [Member] EBP 005 EBP 002 EBP 002 [Member] EBP 002 Investments [Domain] Investments [Domain] EBP, Master Trust [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] Termination due to death or disability, vesting age EBP, Termination Due To Death Or Disability, Vesting Age EBP, Termination Due To Death Or Disability, Vesting Age Company EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash 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 Minimum Minimum [Member] 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 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 EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Interest on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Proportionate Share Of Dividends Received EBP, Proportionate Share Of Dividends Received [Member] EBP, Proportionate Share Of Dividends Received EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Matching contribution per dollar EBP, Employer Contribution, Participant Compensation Matched, Per Dollar Amount EBP, Employer Contribution, Participant Compensation Matched, Per Dollar Amount Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of Plans 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] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Contributions EBP, Contribution [Policy Text Block] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Harley-Davidson, Inc. 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 to net assets EBP, Change in Net Asset Available for Benefit, Increase Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Termination due to death or disability, vesting percentage EBP, Termination Due To Death Or Disability, Vesting Percentage EBP, Termination Due To Death Or Disability, Vesting Percentage Risk and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Master Trust EBP, Master Trust [Text Block] Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Employer Matching Contribution EBP, Employer Matching Contribution [Member] EBP, Employer Matching Contribution EBP, Tax Status [Table] EBP, Tax Status [Table] Net increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Related Party and Parties-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 Company contribution receivable EBP, Employer Contribution, Receivable Investments, at fair value: EBP, Investment, Fair Value [Abstract] Benefit payments and withdrawals EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Investments, fair value EBP, Investment, Plan Interest in Master Trust, Fair 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] EBP, Tax Status [Abstract] Harley-Davidson, Inc. Common Stock Fund EBP, Employer, Common Stock Fund [Member] Current Value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Employer contribution, non-participant compensation matched, percentage EBP, Employer Contribution, Non-Participant Compensation Matched, Percentage EBP, Employer Contribution, Non-Participant Compensation Matched, Percentage EBP, Master Trust [Table] EBP, Master Trust [Table] Document Type Document Type Employee Contributions EBP, Employee Contributions [Member] EBP, Employee Contributions Entity Central Index Key Entity Central Index Key Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Common collective trust funds Common collective trust funds Common Collective Trust [Member] General loan, borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] 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 Master Trust 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 008 EBP 008 [Member] EBP 008 Money market fund EBP, Employer, Common Stock Fund, Money Market Funds [Member] EBP, Employer, Common Stock Fund, Money Market Funds Schedule of Master Trust Net Assets EBP, Master Trust [Table Text Block] 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 Document Information [Table] Document Information [Table] Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Required service hours EBP, Employer Contribution Required Service Hours EBP, Employer Contribution Required Service Hours Dividends paid/credited to eligible participants accounts EBP, Investment, Dividends Paid/Credited To Eligible Participants Accounts EBP, Investment, Dividends Paid/Credited To Eligible Participants Accounts Investment income of Harley-Davidson Retirement Savings Plan Master Trust (Note 3) Investment income of the Master Trust 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 Total EBP Total [Member] EBP Total EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Other receivables EBP, Other Receivable Net assets available for benefits Net assets available for benefits at beginning of year Net assets available for benefits at end of year Net assets available for benefits EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account 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]