XML 125 R101.htm IDEA: XBRL DOCUMENT v3.22.1
INVENTORIES - Rollforward of estimated losses (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Rollforward of estimated losses    
Raw materials, additional estimated losses R$ 38,136 R$ 56,305
Spare parts, estimated losses 21,184 14,036
Raw materials, write-off of inventory 47,231 49,550
Spare parts, write-off of inventory 9,529 4,989
Inventories pledged as collateral 0 0
Pulp    
Rollforward of estimated losses    
Finished goods, additional estimated losses 21,785 1,239
Finished goods, write-off of inventory 3,212 32,018
Inventories    
Rollforward of estimated losses    
Beginning balance (79,885) (106,713)
Addition (85,110) (77,173)
Reversal 11,536 11,498
Write-off 62,201 92,503
Ending balance R$ (91,258) R$ (79,885)