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SEGMENT INFORMATION (Details Narrative) - BRL (R$)
R$ in Thousands
Dec. 31, 2024
Jun. 30, 2023
CSN [Member]    
IfrsStatementLineItems [Line Items]    
Increased capital   R$ 2,383,276
Minerios Nacional [Member]    
IfrsStatementLineItems [Line Items]    
Percentage of voting equity interests acquired 100.00%