Reportable Segments and Geographic Information - Information By Strategic Business Units (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment	2
Segment Reporting Information [Line Items]
Selling, administrative and engineering expense	$ 1,048,174	$ 1,050,627	$ 1,199,056
Restructuring expense	3,415	130,009	32,353
Operating income	823,439	9,679	555,608
Financial Services expense	4,512,869	4,044,698	4,806,181
Motorcycles
Segment Reporting Information [Line Items]
Motorcycles revenue	4,540,240	3,264,054	4,572,678
Gross profit	1,296,953	828,309	1,342,880
Selling, administrative and engineering expense	885,587	895,321	1,020,907
Restructuring expense	2,741	119,110	32,353
Operating income	408,625	(186,122)	289,620
Financial Services
Segment Reporting Information [Line Items]
Restructuring expense	674	10,899	0
Operating income	414,814	195,801	265,988
Financial Services revenue	796,068	790,323	789,111
Financial Services expense	$ 380,580	583,623	523,123
Financial Services | Intersegment Eliminations
Segment Reporting Information [Line Items]
Financial Services revenue		$ 6,100	$ 10,000