Supplemental Consolidating Data - Operations (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 25, 2022	Jun. 26, 2022	Mar. 27, 2022	Sep. 30, 2023	Sep. 25, 2022
Revenue:
Motorcycles and related products	$ 1,305,125			$ 1,436,962			$ 4,075,878	$ 4,006,604
Financial services revenue	243,934			211,613			707,390	606,244
Total revenue	1,549,059			1,648,575			4,783,268	4,612,848
Costs and expenses:
Motorcycles and related products cost of goods sold	893,343			946,656			2,691,272	2,721,913
Financial services interest expense	84,123			60,740			243,677	150,488
Financial services provision for credit losses	60,854			36,617			170,496	94,572
Selling, administrative and engineering expense	301,454			265,841			877,591	740,699
Restructuring expense (benefit)	0			3			0	(389)
Total costs and expenses	1,339,774			1,309,857			3,983,036	3,707,283
Operating income	209,285			338,718			800,232	905,565
Other income, net	26,814			9,358			54,136	30,443
Investment income (loss)	9,868			1,723			31,044	(3,786)
Interest expense	7,688			8,124			23,104	23,555
Income before income taxes	238,279			341,675			862,308	908,667
Provision for income taxes	42,176			80,489			190,546	209,130
Net income	196,103	$ 173,830	$ 301,829	261,186	$ 215,849	$ 222,502	671,762	699,537
Less: Loss attributable to noncontrolling interests	2,546			0			9,016	0
Net income attributable to Harley-Davidson, Inc.	198,649			261,186			680,778	699,537
Reportable Legal Entities | Non-Financial Services Entities
Revenue:
Motorcycles and related products	1,307,289			1,439,894			4,082,312	4,015,779
Financial services revenue	0			0			0	0
Total revenue	1,307,289			1,439,894			4,082,312	4,015,779
Costs and expenses:
Motorcycles and related products cost of goods sold	893,343			946,656			2,691,272	2,721,913
Financial services interest expense	0			0			0	0
Financial services provision for credit losses	0			0			0	0
Selling, administrative and engineering expense	262,444			233,151			762,963	634,506
Restructuring expense (benefit)				3				(389)
Total costs and expenses	1,155,787			1,179,810			3,454,235	3,356,030
Operating income	151,502			260,084			628,077	659,749
Other income, net	26,814			9,358			54,136	30,443
Investment income (loss)	209,868			201,723			231,044	196,214
Interest expense	7,688			8,124			23,104	23,555
Income before income taxes	380,496			463,041			890,153	862,851
Provision for income taxes	27,867			61,390			150,265	150,231
Net income	352,629			401,651			739,888	712,620
Less: Loss attributable to noncontrolling interests	2,546			0			9,016	0
Net income attributable to Harley-Davidson, Inc.	355,175			401,651			748,904	712,620
Reportable Legal Entities | Financial Services Entities
Revenue:
Motorcycles and related products	0			0			0	0
Financial services revenue	244,554			212,100			709,167	607,876
Total revenue	244,554			212,100			709,167	607,876
Costs and expenses:
Motorcycles and related products cost of goods sold	0			0			0	0
Financial services interest expense	84,123			60,740			243,677	150,488
Financial services provision for credit losses	60,854			36,617			170,496	94,572
Selling, administrative and engineering expense	41,745			36,231			122,871	117,117
Restructuring expense (benefit)				0				0
Total costs and expenses	186,722			133,588			537,044	362,177
Operating income	57,832			78,512			172,123	245,699
Other income, net	0			0			0	0
Investment income (loss)	0			0			0	0
Interest expense	0			0			0	0
Income before income taxes	57,832			78,512			172,123	245,699
Provision for income taxes	14,309			19,099			40,281	58,899
Net income	43,523			59,413			131,842	186,800
Less: Loss attributable to noncontrolling interests	0			0			0	0
Net income attributable to Harley-Davidson, Inc.	43,523			59,413			131,842	186,800
Consolidating Adjustments
Revenue:
Motorcycles and related products	(2,164)			(2,932)			(6,434)	(9,175)
Financial services revenue	(620)			(487)			(1,777)	(1,632)
Total revenue	(2,784)			(3,419)			(8,211)	(10,807)
Costs and expenses:
Motorcycles and related products cost of goods sold	0			0			0	0
Financial services interest expense	0			0			0	0
Financial services provision for credit losses	0			0			0	0
Selling, administrative and engineering expense	(2,735)			(3,541)			(8,243)	(10,924)
Restructuring expense (benefit)				0				0
Total costs and expenses	(2,735)			(3,541)			(8,243)	(10,924)
Operating income	(49)			122			32	117
Other income, net	0			0			0	0
Investment income (loss)	(200,000)			(200,000)			(200,000)	(200,000)
Interest expense	0			0			0	0
Income before income taxes	(200,049)			(199,878)			(199,968)	(199,883)
Provision for income taxes	0			0			0	0
Net income	(200,049)			(199,878)			(199,968)	(199,883)
Less: Loss attributable to noncontrolling interests	0			0			0	0
Net income attributable to Harley-Davidson, Inc.	$ (200,049)			$ (199,878)			$ (199,968)	$ (199,883)