EMPLOYEE BENEFITS (Details 6) - BRL (R$) R$ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Actuarial assumption of medical cost trend rates [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Increase in assumption | R$ (83.7) | R$ (80.1) | R$ (95.2) |
| Decrease in assumption | 73.4 | 69.4 | 82.2 |
| Actuarial assumption of discount rates [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Increase in assumption | 256.0 | 315.1 | 284.8 |
| Decrease in assumption | (271.6) | (236.7) | (302.4) |
| Actuarial assumption of expected rates of salary increases [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Increase in assumption | (14.5) | (4.6) | (17.3) |
| Decrease in assumption | 12.5 | 25.9 | 14.7 |
| Actuarial assumption of life expectancy after retirement [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Increase in assumption | (180.9) | (150.2) | (201.0) |
| Decrease in assumption | R$ 177.5 | R$ 241.4 | R$ 196.1 |