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FINANCIAL INSTRUMENTS (Details Narrative) R$ in Thousands, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2023 BRL (R$) | Dec. 31, 2022 BRL (R$) | Dec. 31, 2021 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |  |
Amortized cost | $ | $ 3,810,867 |  |  |
Net investment |  | R$ 6,293 | R$ 6,293 |
Derivative type | In the same period, the Company contracted a new operation to protect an NCE raised with maturity in October 2028, in the amount of R$680 million. |  |  |
Borrowings |  | R$ 44,859,075 | R$ 40,918,742 | R$ 32,507,522
Currency risk [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Stock price | 5.00% | 5.00% |  |
Scenario I [Member] | Currency risk [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Percentage of scenarios | 25.00% | 25.00% |  |
Scenario I I [Member] | Currency risk [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Percentage of scenarios | 50.00% | 50.00% |  |
C S N Cimentos [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings |  | R$ 115,000 |  |

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