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Related Party Transactions (Details Narrative) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2018
IfrsStatementLineItems [Line Items]
Settled amount			R$ 159,274
Principal interest			R$ 158,849
Copel C O M [Member] | Energy Sale Contracts [Member]
IfrsStatementLineItems [Line Items]
Purchase commitments	R$ 63,899
Sales commitments	31,309
Copel Comercializacao S A [Member] | Financial guarantee contracts [member]
IfrsStatementLineItems [Line Items]
Provision of guarantees or collateral by entity, related party transactions	4,339	R$ 4,307
Copel geracaoe transmissao SA [member] | Financial guarantee contracts [member]
IfrsStatementLineItems [Line Items]
Provision of guarantees or collateral by entity, related party transactions	R$ 192,707	R$ 112,069

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- Definition

The amount of guarantees or collateral provided by the entity in related party transactions. [Refer: Guarantees [member]; Related parties [member]]

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 21
-Subparagraph h
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