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21. TAXES PAYABLE AND AMOUNTS TO BE REFUNDED TO CUSTOMERS (Details Narrative) R$ in Millions | 12 Months Ended
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Dec. 31, 2020 BRL (R$)
Disclosure of taxes, income tax and social contribution tax [abstract] |
Amounts unduly paid | 10 years
Negative financial component | R$ 714

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- Definition Disclosure of taxes, income tax and social contribution tax [abstract]. + References No definition available. + Details
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