v3.25.2
Loans and Allowance for Credit Losses (Loans Purchased with Credit Deterioration ) (Details)
¥ in Millions
12 Months Ended
Mar. 31, 2024
JPY (¥)
Credit Loss [Abstract]  
Purchase price ¥ 15,588
Allowance for credit losses at acquisition 22,231
Non-credit discount 269
Principal balance ¥ 38,088