v3.26.1
Segment Information - Sales Revenue by Product or Service Groups (Detail) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of products and services [line items]      
Sales revenue ¥ 21,796,610 ¥ 21,688,767 ¥ 20,428,802
Motorcycles, all-terrain vehicles (ATVs), side-by-sides (SxS) and relevant parts [member]      
Disclosure of products and services [line items]      
Sales revenue 4,018,837 3,626,603 3,220,168
Automobiles and relevant parts [member]      
Disclosure of products and services [line items]      
Sales revenue 15,327,187 15,818,947 15,227,546
Financial services [member]      
Disclosure of products and services [line items]      
Sales revenue 2,065,659 1,858,059 1,588,827
Power products and relevant parts [member]      
Disclosure of products and services [line items]      
Sales revenue 281,311 285,253 292,563
Others [member]      
Disclosure of products and services [line items]      
Sales revenue ¥ 103,616 ¥ 99,905 ¥ 99,698