FINANCIAL INSTRUMENTS (Details Narrative) R$ in Thousands, $ in Thousands |
1 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Jan. 31, 2025 |
Dec. 31, 2025
USD ($)
|
Dec. 31, 2025
BRL (R$)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2024
BRL (R$)
|
Dec. 31, 2023
BRL (R$)
|
|
| IfrsStatementLineItems [Line Items] | ||||||
| Amortized cost | $ | $ 4,384,011 | $ 2,877,563 | ||||
| Net investment | R$ 6,292,800 | R$ 6,292,800 | ||||
| Derivative type | In January 2025, the Company entered into a new swap agreement with the purpose of mitigating the risk associated with an External Credit Note (NCE) acquired during the same period, whose maturity is scheduled for January 2028, and which has a principal amount of US$50,000. | In October 2023, the Company entered into a new swap agreement with the purpose of mitigating the risk associated with an External Credit Note (NCE) acquired during the same period, whose maturity is scheduled for October 2028, and which has a principal amount of R$680,000. | ||||
| Borrowings | 52,924,547 | R$ 56,914,621 | R$ 44,859,075 | |||
| C S N Cimentos [Member] | ||||||
| IfrsStatementLineItems [Line Items] | ||||||
| Borrowings | R$ 115,000 | |||||