v3.26.3
Earnings Per Share - Schedule of Reconciliation of Earnings Per Share Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net income attributable to Harley-Davidson, Inc. $ 42,762 $ 377,366 $ 147,339 $ 618,041
Adjustment 360 0 0 0
Net income attributable to Harley-Davidson, Inc. - dilutive $ 43,122 $ 377,366 $ 147,339 $ 618,041
Weighted Average Number of Shares Outstanding Reconciliation        
Basic weighted-average shares outstanding (in shares) 103,360 120,614 106,134 122,015
Effect of dilutive securities (in shares) 3,228 1,062 917 840
Diluted weighted-average shares outstanding (in shares) 106,588 121,676 107,051 122,855
Net earnings per share:        
Basic (in dollars per share) $ 0.41 $ 3.13 $ 1.39 $ 5.07
Diluted (in dollars per share) $ 0.40 $ 3.10 $ 1.38 $ 5.03