v3.26.1
TRADE ACCOUNTS PAYABLE - Long-term Commitments (Details) - BRL (R$)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Sep. 15, 2025
Trade accounts payable [Line Items]      
LongTermTake Or Pay Contracts R$ 25,236,794,000 R$ 26,239,939,000  
Exchange Agreement For Biological Assets | Pangeia Project [Member]      
Trade accounts payable [Line Items]      
Payments Made Amount     R$ 878,049
Payments Due Amount 1,962,554    
Exchange Agreement For Biological Assets | Pangeia Project [Member] | 2026      
Trade accounts payable [Line Items]      
Payments Due Amount 819,970    
Exchange Agreement For Biological Assets | Pangeia Project [Member] | 2028      
Trade accounts payable [Line Items]      
Payments Due Amount R$ 1,142,584