v3.26.1
Installment Loans (Contractual Maturities of Installment Loans Except Purchased Loans) (Detail)
¥ in Millions
Mar. 31, 2026
JPY (¥)
Debt Disclosure [Abstract]  
2027 ¥ 646,672
2028 418,347
2029 377,563
2030 268,642
2031 274,552
Thereafter 2,171,592
Total ¥ 4,157,368