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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