v3.26.1
Inventories - Summary of Inventories (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Classes of current inventories [abstract]    
Finished goods ¥ 1,585,283 ¥ 1,582,755
Work in process 91,558 80,730
Raw materials 854,325 807,105
Total ¥ 2,531,166 ¥ 2,470,590