v3.25.2
Call Money and Funds Purchased
12 Months Ended
Mar. 31, 2025
Call Money And Funds Purchased [Abstract]  
Call Money and Funds Purchased CALL MONEY AND FUNDS PURCHASED
A summary of funds transactions for the fiscal years ended March 31, 2024 and 2025 is as follows:
 20242025
 
(in millions, except percentages and days)
Outstanding at end of fiscal year:   
Amount¥5,094,171 ¥5,016,678 
Principal range of maturities
1 day to 30 days
1 day to 30 days
Weighted average interest rate0.09 %0.63 %