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13 Taxes (Details 3) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 BRL (R$)
Taxes [Abstract] |
Tax credit - principal | R$ 3,620,118
Tax credit - monetary update | 2,035,636
Effect on assets | 5,655,754
Pis and Cofins to be refunded to consumers | 121,838
Tax liabilities - Pis/Pasep and Cofins payable on financial income | (94,657)
Effect on liabilities | (4,497,380)
EFFECT ON BALANCE SHEET | 1,158,374
Net operating revenue | 810,563
Financial income, net of pis and cofins | 944,549
Income tax and social contribution | (596,738)
EFFECT ON THE INCOME STATEMENT | R$ 1,158,374

X
- Definition The amount of effect on assets. + References No definition available. + Details
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Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of effect on balance sheet. + References No definition available. + Details
Name: | elp_EffectOnBalanceSheet
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of effect on income statement. + References No definition available. + Details
Name: | elp_EffectOnIncomeStatement
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of effect on liabilities. + References No definition available. + Details
Name: | elp_EffectOnLiabilities
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of financial income net of pis and cofins. + References No definition available. + Details
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Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income and social contribution. + References No definition available. + Details
Name: | elp_IncomeTaxAndSocialContribution
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of net operating revenue. + References No definition available. + Details
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Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of pis and cofins to be refunded to consumers. + References No definition available. + Details
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Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represent information about the tax credit monetary update. + References No definition available. + Details
Name: | elp_TaxCreditMonetaryUpdate
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represent information about the tax credit principal. + References No definition available. + Details
Name: | elp_TaxCreditPrincipal
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represent information about the tax liabilities pispasep and cofins payable on financial income. + References No definition available. + Details
Name: | elp_TaxLiabilitiesPispasepAndCofinsPayableOnFinancialIncome
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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