Loans and Advances to Customers - Schedule of Loans and Advances to Customers (Details) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Financial service: | ||
| Financial service, Subtotal | ¥ 24,405 | ¥ 24,763 |
| Loans and advances to customers, Total | 2,512,851 | 1,927,607 |
| Payment Segment [Member] | ||
| Payment: | ||
| Credit card receivables | 1,321,827 | 1,045,681 |
| Loss allowance | (45,312) | (43,739) |
| Payment, Subtotal | 1,276,515 | 1,001,942 |
| Financial Service Segment [Member] | ||
| Financial service: | ||
| Mortgage loans | 909,483 | 664,594 |
| Overdraft | 312,255 | 261,943 |
| Other | 16,879 | 383 |
| Loss allowance | (2,281) | (1,255) |
| Financial service, Subtotal | ¥ 1,236,336 | ¥ 925,665 |