EMPLOYEE BENEFITS - Post-employment health care benefit plan - Assumptions (Details) - Post-employment health care benefit plan |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Minimum | ||
| Assumptions used to calculate the defined benefit plans | ||
| Average discount rate | 4.75% | 4.58% |
| Health treatment - rate assumed next year | 4.28% | 4.76% |
| Health treatment - Assumed rate of decline in the cost to achieve in the years of 2032 to 2041 | 3.31% | 3.26% |
| Maximum | ||
| Assumptions used to calculate the defined benefit plans | ||
| Average discount rate | 5.42% | 5.62% |
| Health treatment - rate assumed next year | 7.90% | 8.40% |
| Health treatment - Assumed rate of decline in the cost to achieve in the years of 2032 to 2041 | 9.20% | 4.40% |