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41 Condensed Unconsolidated Financial Information of Companhia Paranaense de Energia - Copel (Details 4) - Companhia Paranaense de Energia - Copel [Member] - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Related parties assets | R$ 511,477 | R$ 112,885
Related parties liabilities | 841 | 755
Copel Distribuicao [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Related parties assets | 89,296 | 104,751
Investees and Subsidiaries - Structure Sharing [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Related parties assets | 6,039 | 8,134
Related parties liabilities | 696 | 755
Elejor Advance [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Related parties liabilities | R$ 145 |

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