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10. DEFERRED INCOME TAXES (Details Narrative) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Deferred Income Taxes    
Non-recognition of deferred tax on tax losses and negative basis R$ 4,357,288  
Future taxable income 30.00%  
Tax losses carryforward R$ 4,589,674 R$ 2,747,192
Income tax asset R$ 2,822,245 R$ 2,460,942