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FINANCIAL INSTRUMENTS - Net investment hedge (Details)
R$ in Thousands, $ in Billions
12 Months Ended
Dec. 31, 2023
BRL (R$)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
BRL (R$)
Dec. 31, 2021
BRL (R$)
Net investment hedge        
Gain (loss) on net investment hedge, recognized in OCI R$ 247,924   R$ 488,146 R$ (695,102)
Ten Years Bonds        
Net investment hedge        
Gain (loss) on effects of exchange rate changes R$ 2,100,000 $ 0.4