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MARKETABLE SECURITIES (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
MARKETABLE SECURITIES    
Marketable securities R$ 7,965,742 R$ 7,758,329
Current 7,546,639 7,508,275
Non-Current 419,103 250,054
Local    
MARKETABLE SECURITIES    
Marketable securities 3,455,090 5,363,662
Foreign    
MARKETABLE SECURITIES    
Marketable securities 4,510,652 2,394,667
Private Funds | Local    
MARKETABLE SECURITIES    
Marketable securities R$ 1,208,975 656,780
Private Funds | CDI    
MARKETABLE SECURITIES    
Percentage of basis used to calculate interest rate 105.02%  
Private Securities (CDBs) | Local    
MARKETABLE SECURITIES    
Marketable securities R$ 1,827,012 4,456,828
Private Securities (CDBs) | CDI    
MARKETABLE SECURITIES    
Percentage of basis used to calculate interest rate 101.94%  
CDBs - Escrow Account | Local    
MARKETABLE SECURITIES    
Marketable securities R$ 419,103 250,054
CDBs - Escrow Account | CDI    
MARKETABLE SECURITIES    
Percentage of basis used to calculate interest rate 102.05%  
Time Deposits | Foreign    
MARKETABLE SECURITIES    
Marketable securities R$ 4,386,589 2,376,369
Average yield p.a. % 3.00%  
Other | Foreign    
MARKETABLE SECURITIES    
Marketable securities R$ 124,063 R$ 18,298
Average yield p.a. % 5.99%