v3.26.1
Employee Benefits - Additional Information (Details) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of information about defined benefit plans [abstract]      
Employee benefit expenses included in operating expenses ¥ 47,641 ¥ 41,483 ¥ 37,764