Retirement benefits - Weighted-Average Asset Allocation of Said Plan Assets for Pension Benefits (Detail) - Pension |
Mar. 31, 2025 |
|---|---|
| Funds managed by trust | |
| Weighted-average asset allocation | 100.00% |
| Government Securities | |
| Funds managed by trust | |
| Weighted-average asset allocation | 89.30% |
| Debenture and bonds | |
| Funds managed by trust | |
| Weighted-average asset allocation | 10.70% |
| Other | |
| Funds managed by trust | |
| Weighted-average asset allocation | 0.00% |