v3.26.1
Inventories - Summary of Inventories (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Classes of current inventories [abstract]    
Finished products ¥ 791,272 ¥ 837,759
Work in process 266,712 314,011
Raw materials, purchased components and supplies 169,367 159,000
Inventories ¥ 1,227,351 ¥ 1,310,770