Share-based Payments - Summary of Weighted Average Fair Value of Awards at Grant Date (Details) |
Mar. 31, 2026
JPY (¥)
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
JPY (¥)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
JPY (¥)
|
Mar. 31, 2024
USD ($)
|
|---|---|---|---|---|---|---|
| BIP | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Weighted average fair value at grant date | ¥ 4,394 | ¥ 4,192 | ¥ 4,527 | |||
| ESOP | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Weighted average fair value at grant date | 4,394 | 4,192 | 4,527 | |||
| Equity-Settled LTIP | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Weighted average fair value at grant date | ¥ 2,215 | $ 15.37 | ¥ 2,092 | $ 13.00 | ¥ 2,273 | $ 15.71 |