v3.25.2
Inventories - Summary of Inventories (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2025
Mar. 31, 2024
Classes of current inventories [abstract]    
Finished products ¥ 837,759 ¥ 1,028,359
Work in process 314,011 314,020
Raw materials, purchased components and supplies 159,000 176,265
Inventories ¥ 1,310,770 ¥ 1,518,644