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INCOME AND SOCIAL CONTRIBUTION TAXES - Carryforwards (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
INCOME AND SOCIAL CONTRIBUTION TAXES    
Tax loss carryforward R$ 4,052,013 R$ 2,400,998
Social contribution tax loss carryforward R$ 3,660,133 R$ 1,626,064