Supplemental Consolidating Data - Schedule of Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Condensed Statement of Income Captions [Line Items]
Net income	$ 445,175	$ 695,046	$ 739,214
Foreign currency translation adjustments	(22,363)	11,532	(35,870)
Derivative financial instruments	14,143	3,839	(8,435)
Pension and postretirement benefit plans	(19,524)	21,596	(56,705)
Other comprehensive (loss) income	(27,744)	36,967	(101,010)
Comprehensive income	417,431	732,013	638,204
Less: Loss attributable to noncontrolling interests	10,182	11,540	2,194
Comprehensive income attributable to Harley-Davidson, Inc.	427,613	743,553	640,398
Reportable Legal Entities | Non-Financial Services Entities
Condensed Statement of Income Captions [Line Items]
Net income	460,621	712,909	697,100
Foreign currency translation adjustments	(13,039)	9,619	(27,198)
Derivative financial instruments	16,621	919	(15,312)
Pension and postretirement benefit plans	(19,524)	21,596	(56,705)
Other comprehensive (loss) income	(15,942)	32,134	(99,215)
Comprehensive income	444,679	745,043	597,885
Less: Loss attributable to noncontrolling interests	10,182	11,540	2,194
Comprehensive income attributable to Harley-Davidson, Inc.	454,861	756,583	600,079
Reportable Legal Entities | Financial Services Entities
Condensed Statement of Income Captions [Line Items]
Net income	184,309	181,937	241,712
Foreign currency translation adjustments	(9,324)	1,913	(8,672)
Derivative financial instruments	(2,478)	2,920	6,877
Pension and postretirement benefit plans	0	0	0
Other comprehensive (loss) income	(11,802)	4,833	(1,795)
Comprehensive income	172,507	186,770	239,917
Less: Loss attributable to noncontrolling interests	0	0	0
Comprehensive income attributable to Harley-Davidson, Inc.	172,507	186,770	239,917
Consolidating Adjustments
Condensed Statement of Income Captions [Line Items]
Net income	(199,755)	(199,800)	(199,598)
Foreign currency translation adjustments	0	0	0
Derivative financial instruments	0	0	0
Pension and postretirement benefit plans	0	0	0
Other comprehensive (loss) income	0	0	0
Comprehensive income	(199,755)	(199,800)	(199,598)
Less: Loss attributable to noncontrolling interests	0	0	0
Comprehensive income attributable to Harley-Davidson, Inc.	$ (199,755)	$ (199,800)	$ (199,598)