v3.26.1
Master Trust - Schedule of Master Trust Net Assets (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value $ 1,327,019,953 $ 1,228,913,743  
EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 1,327,019,953 1,228,913,743  
EBP 002      
EBP, Master Trust [Line Items]      
Net assets available for benefits 1,050,688,405 966,952,766 $ 870,363,797
EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 1,035,538,975 951,781,293  
EBP 005      
EBP, Master Trust [Line Items]      
Net assets available for benefits 192,747,892 183,733,618 180,898,626
EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 190,091,638 181,079,874  
EBP 008      
EBP, Master Trust [Line Items]      
Net assets available for benefits 103,100,141 97,802,379 $ 93,370,979
EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 101,389,340 96,052,576  
Common collective trust funds | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 1,047,723,198 941,292,717  
Common collective trust funds | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 1,047,723,198 941,292,717  
Common collective trust funds | EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 825,459,464 736,308,918  
Common collective trust funds | EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 139,835,960 129,415,376  
Common collective trust funds | EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 82,427,774 75,568,423  
Mutual funds | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 107,504,896 110,069,411  
Mutual funds | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 107,504,896 110,069,411  
Mutual funds | EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 90,871,352 91,985,417  
Mutual funds | EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 10,935,303 11,921,899  
Mutual funds | EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 5,698,241 6,162,095  
Brokerage accounts | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 90,388,663 79,400,468  
Brokerage accounts | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 90,388,663 79,400,468  
Brokerage accounts | EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 63,077,419 56,367,323  
Brokerage accounts | EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 21,562,043 18,126,246  
Brokerage accounts | EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 5,749,201 4,906,899  
Money market fund | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 54,701,013 55,948,045  
Money market fund | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 54,701,013 55,948,045  
Money market fund | EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 36,120,482 35,984,488  
Money market fund | EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 13,700,681 14,806,636  
Money market fund | EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 4,879,850 5,156,921  
Harley-Davidson, Inc. Common Stock Fund | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 26,702,183 42,203,102  
Other receivables 21,710 20,089  
Net assets available for benefits 26,702,183 42,203,102  
Harley-Davidson, Inc. Common Stock Fund | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 26,702,183 42,203,102  
Other receivables 21,710 20,089  
Net assets available for benefits 26,702,183 42,203,102  
Harley-Davidson, Inc. Common Stock Fund | EBP 002 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 20,010,258 31,135,147  
Harley-Davidson, Inc. Common Stock Fund | EBP 005 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 4,057,651 6,809,717  
Harley-Davidson, Inc. Common Stock Fund | EBP 008 | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 2,634,274 4,258,238  
Harley-Davidson, Inc. common stock | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 26,379,359 41,686,813  
Harley-Davidson, Inc. common stock | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value 26,379,359 41,686,813  
Money market fund | EBP Total | Master Trust      
EBP, Master Trust [Line Items]      
Investments, at fair value 301,114 496,200  
Money market fund | EBP Total | Plan Interest      
EBP, Master Trust [Line Items]      
Investments, at fair value $ 301,114 $ 496,200