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32. INSURANCE COVERAGE (Details)
R$ in Thousands
 12 Months Ended
Dec. 31, 2020
BRL (R$)
Operational Risks [member]  
DisclosureOfInsuranceCoverageLineItems [Line Items]  
Coverage Coverage against damage to buildings, facilities, inventory, machinery and equipment, loss of profits.
Amount of coverage R$ 4,472,077
Carriage of Goods [member]  
DisclosureOfInsuranceCoverageLineItems [Line Items]  
Coverage Coverage of goods in transit and in inventories.
Amount of coverage R$ 628,760
Civil Responsibility [member]  
DisclosureOfInsuranceCoverageLineItems [Line Items]  
Coverage Third party complaints.
Amount of coverage R$ 415,736