Post-Employment and Other Non-Current Employee Benefits - Balances of Liabilities for Summary of Variable Return Financial Instruments Recorded at Market Values (Detail) |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Variable return: | ||
| Fixed and variable trust assets | 100.00% | 100.00% |
| Traded securities | ||
| Fixed return: | ||
| Fixed return | 19.00% | 27.00% |
| Life annuities | ||
| Fixed return: | ||
| Fixed return | 17.00% | 18.00% |
| Bank instruments | ||
| Fixed return: | ||
| Fixed return | 5.00% | 5.00% |
| Federal government instruments | ||
| Fixed return: | ||
| Fixed return | 42.00% | 36.00% |
| Publicly traded shares | ||
| Variable return: | ||
| Variable return | 17.00% | 14.00% |