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Other Accounts Payable (Details Narrative) - BRL (R$) R$ in Thousands			12 Months Ended
	Jul. 01, 2024	Jan. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of fair value measurement of liabilities [line items]
Investment disposal	R$ 261,355		R$ 47,066	R$ 58,132	R$ 0
Payment of Installment		R$ 336,000	R$ 672,000

X

- Definition

 Investment disposal - advance 

+ References

No definition available.

+ Details

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Namespace Prefix:	elp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Payment of Installment

+ References

No definition available.

+ Details

Name:	elp_PaymentOfInstallment
Namespace Prefix:	elp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration