Issued Capital and Reserves - Additional Information (Details) ¥ in Millions |
12 Months Ended |
|---|---|
|
Mar. 31, 2026
JPY (¥)
| |
| Issued Capital and Reserves, Disclosure [Abstract] | |
| Minimum percentage of proceeds of issuances of share capital | 50.00% |
| Transaction costs of equity transaction | ¥ 1,002 |
| Minimum ratio of legal earnings reserve | 10.00% |
| Percentage of Share Capital | 25.00% |