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TRADE ACCOUNTS RECEIVABLE - Rollforward of the expected credit losses (Details) - Trade accounts receivable - BRL (R$)
R$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Rollforward of the expected credit losses    
Beginning balance R$ (34,763) R$ (41,889)
Addition (2,270) (2,547)
Reversal 182 3,184
Write-off 3,533 7,078
Exchange rate variation (629) 589
Ending balance R$ (32,689) R$ (34,763)