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Discontinued operations (Details Narrative) R$ in Thousands	Aug. 03, 2021 BRL (R$)
Copel Telecommunicacoes S A [Member]
IfrsStatementLineItems [Line Items]
Transfer of assets and liabilities	R$ 2,506,837

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- References

No definition available.

+ Details

Name:	elp_IfrsStatementLineItems
Namespace Prefix:	elp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	elp_TransferOfAssetsAndLiabilities
Namespace Prefix:	elp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_CopelTelecommunicacoesSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: