Restructuring Activities - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) Employees	Dec. 31, 2018 Employees	Dec. 31, 2021 USD ($) Employees employee
Restructuring Cost and Reserve
Restructuring and consolidation costs			$ 133.4
Motorcycles
Restructuring Cost and Reserve
Restructuring and consolidation costs			121.8
Motorcycles | Temporary Inefficiencies | Cost of goods sold
Restructuring Cost and Reserve
Incremental cost of goods sold	$ 10.3
Financial Services
Restructuring Cost and Reserve
Restructuring and consolidation costs			$ 11.6
2020 Restructuring Activities
Restructuring Cost and Reserve
Expected number of employees eliminated | Employees			500
2020 Restructuring Activities | INDIA
Restructuring Cost and Reserve
Expected number of employees eliminated | employee			70
2018 Kansas City Restructuring Plan
Restructuring Cost and Reserve
Number of jobs eliminated | Employees	800
Number of jobs added | Employees	450
2018 Adelaide Restructuring Plan
Restructuring Cost and Reserve
Number of jobs eliminated | Employees	90
Manufacturing Optimization Plan | Motorcycles
Restructuring Cost and Reserve
Restructuring and consolidation costs	$ 122.2
Manufacturing Optimization Plan | Motorcycles | Temporary Inefficiencies | Cost of goods sold
Restructuring Cost and Reserve
Incremental cost of goods sold	$ 23.2
2018 Reorganization Plan | Motorcycles
Restructuring Cost and Reserve
Restructuring and consolidation costs, positions eliminated | Employees		70