FINANCIAL INVESTMENTS (Details) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Current | R$ 642,715 | R$ 911,378 |
| Non-current | 25,257 | 169,977 |
| Investment [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Current | 270,318 | 50,787 |
| Non-current | 25,257 | 27,554 |
| Usiminas Shares [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Current | R$ 372,397 | 860,591 |
| Bond [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Non-current | R$ 142,423 | |