Borrowings and Lease Liabilities - Schedule of Components of Borrowings and Lease Liabilities (Details) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of detailed information about borrowings [line items] | ||
| Borrowings | ¥ 564,956 | ¥ 399,578 |
| Lease liabilities | 9,549 | 12,097 |
| Operating Segments | Payment | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Loan payables | 280,825 | 213,050 |
| Commercial papers | 73,000 | 84,000 |
| Borrowings | 353,825 | 297,050 |
| Lease liabilities | 9,096 | 11,121 |
| Operating Segments | Financial Service | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Loan payables | 211,131 | 102,528 |
| Borrowings | 211,131 | 102,528 |
| Lease liabilities | ¥ 453 | ¥ 976 |