v3.26.1
SEGMENT INFORMATION (Details Narrative) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Jun. 30, 2023
C S N [Member]    
IfrsStatementLineItems [Line Items]    
Increased capital   R$ 2,383,276
Minerios Nacional [Member]    
IfrsStatementLineItems [Line Items]    
Percentage acquired of the share capital 100.00%