v3.26.1
Employee Benefits - Additional Information (Detail)
¥ in Millions
12 Months Ended
Mar. 31, 2027
JPY (¥)
Japanese plans [member]  
Disclosure of defined benefit plans [line items]  
Contribiution in pension plan ¥ 16,611
Foreign plans [member]  
Disclosure of defined benefit plans [line items]  
Contribiution in pension plan ¥ 30,261