Related Parties - Compensation Paid to Directors (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Related party transactions [abstract] | |||
| Remuneration | ¥ 1,308 | ¥ 1,176 | ¥ 1,209 |
| STI (Short Term Incentive) | 147 | 471 | 612 |
| LTI (Long Term Incentive) | 112 | 380 | 453 |
| Total | ¥ 1,567 | ¥ 2,027 | ¥ 2,274 |
| X | ||||||||||
- Definition Key management personnel compensation annual bonus. No definition available.
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|