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Schedule of condensed statements of comprehensive income (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Entity Information [Line Items] |  |  |
Net income | R$ 5,048,602 | R$ 3,909,750 | R$ 2,062,869
Post employment benefits | (3,257) |  |
[custom:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstrument] | 154,751 |  |
[custom:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss1] | 1,107 |  |
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] |  |  |
[custom:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax1] | 152,601 |  |
[custom:ComprehensiveIncome1] | 5,105,174 |  |
Companhia Paranaense De Energia Copel [Member] |  |  |
Entity Information [Line Items] |  |  |
Net income | R$ 4,952,573 | 3,904,202 | 1,989,946
Post employment benefits |  | (779) | (3,371)
[custom:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstrument] |  | (178,434) | (120,358)
[custom:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss1] |  | 265 | 1,146
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] |  |  |
[custom:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax1] |  | (178,948) | (127,457)
[custom:ComprehensiveIncome1] |  | R$ 3,725,254 | R$ 1,862,489

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