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Schedule of targets set (Details) - TaxesOnAdjustmentsToFinancialAssetsAvailableForSaleEquityInterestInvestments - Later than one year and not later than two years [member]
12 Months Ended
Dec. 31, 2021
IfrsStatementLineItems [Line Items]  
Economic and Financial Management {Net Debt / [EBITDA (-) QRR ≥ 0]} ≤ 1 / (1,11 * Selic)
Quality (limit established) DECi   9.29
Quality (limit established) FECi   6.84
Quality (performed) DECi   7.20
Quality (performed) FECi   4.76