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PROVISION FOR JUDICIAL LIABILITIES - Contingent assets (Details) - PIS and COFINS tax credits
R$ in Thousands
12 Months Ended
Dec. 31, 2021
BRL (R$)
PROVISION FOR JUDICIAL LIABILITIES  
Contingent tax assets R$ 582,433
Tax Credits from September 2019  
PROVISION FOR JUDICIAL LIABILITIES  
Contingent tax assets recognized 128,115
Tax Credits through December 2021  
PROVISION FOR JUDICIAL LIABILITIES  
Contingent tax assets recognized R$ 454,318