XML 90 R83.htm IDEA: XBRL DOCUMENT v3.20.2
TRADE ACCOUNTS RECEIVABLE - Changes in expected credit losses (Details) - Trade accounts receivable - BRL (R$)
R$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Changes in allowance for doubtful accounts    
Beginning balance R$ (41,996) R$ (37,179)
Business combination   (5,947)
Addition (10,250) (18,650)
Reversal 187 6,364
Write-off 2,117 13,383
Exchange rate variation (2,450) 33
Ending balance R$ (52,392) R$ (41,996)