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EQUITY - Treasury stocks (Details) - BRL (R$)
R$ / shares in Units, R$ in Thousands
12 Months Ended
May 04, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Nov. 08, 2022
Dec. 31, 2019
Share Buyback Program            
EQUITY            
Quantity of shares authorized to be acquired 55,000,000          
Percentage of outstanding preferred shares 5.00%          
Maximum duration period of share buyback program 18 months          
Common shares            
EQUITY            
Outstanding shares   571,929,945 571,929,945 571,929,945 571,929,945 571,929,945
Preferred shares            
EQUITY            
Number of shares repurchased   44,564,000        
Outstanding shares   1,091,630,395 1,133,816,901 1,129,231,487 1,101,467,245 1,127,010,827
Treasury Stocks            
EQUITY            
Average acquisition cost   R$ 18.30 R$ 12.43 R$ 13.62    
Treasury Stocks | Common shares            
EQUITY            
Number of shares repurchased   1,697,538     1,697,538  
Outstanding shares   0 1,697,538 1,697,538   1,697,538
Treasury Stocks | Preferred shares            
EQUITY            
Number of shares repurchased   44,564,000        
Value of shares repurchased   R$ 1,073,124        
Number of shares repurchased   44,564,000     44,564,000  
Outstanding shares   9,836,850 12,214,344 16,799,758   19,020,418
Treasury Stocks | Preferred shares | Share Buyback Program            
EQUITY            
Number of shares repurchased   44,564,000        
Value of shares repurchased   R$ 1,073,124