Cover Page - shares	9 Months Ended
	Sep. 27, 2020	Oct. 30, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 27, 2020
Document Transition Report	false
Entity File Number	1-9183
Entity Registrant Name	Harley-Davidson, Inc.
Entity Incorporation, State or Country Code	WI
Entity Tax Identification Number	39-1382325
Entity Address, Address Line One	3700 West Juneau Avenue
Entity Address, City or Town	Milwaukee
Entity Address, State or Province	WI
Entity Address, Postal Zip Code	53208
City Area Code	414
Local Phone Number	342-4680
Title of 12(b) Security	Common Stock Par Value $.01 PER SHARE
Trading Symbol	HOG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		153,278,729
Entity Central Index Key	0000793952
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false