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42 Condensed individual financial information of Companhia Paranaense de Energia - Copel (Details Narrative) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Recivable | R$ 710,798 | R$ 777,651 | R$ 609,219
Consolidated subsidiaries [member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Recivable | 661,639 | 65,083 | 588,540
Unconsolidated investees [member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Recivable | R$ 49,159 | R$ 126,821 | R$ 20,679

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