Financial liabilities - Summary of Short Term Debt (Parenthetical) (Detail) - Weighted average [Member] |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Short-term debt (Principally from bank) [Member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Weighted Average Interest Rate | 2.26% | 2.27% |
| Commercial paper [Member] | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Weighted Average Interest Rate | 3.82% | 4.53% |