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36 Related Party Transactions (Details Narrative) - Financial Guarantee [Member] - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Copel Geracao e Transmissao S.A. [Member]
Disclosure of transactions between related parties [line items]
Provision of guarantees or collateral by entity, related party transactions	R$ 4,005	R$ 3,246
Copel Comercializacao S.A. [Member]
Disclosure of transactions between related parties [line items]
Provision of guarantees or collateral by entity, related party transactions	R$ 21,846	R$ 79,358

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2019-01-01
-Paragraph 21
-Subparagraph h
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-URIDate 2019-03-27

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