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Accounts Receivables - Concessions (Details 3) - Generation Concession Agreements [Member] - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure of fair value measurement of assets [line items]
Beginning balance	R$ 71,835	R$ 68,642
Fair value adjustment	3,590	3,193
Ending balance	R$ 75,425	R$ 71,835

X

- Definition

PowerGenerationConcessionContract

+ References

No definition available.

+ Details

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

X

- Definition

Fair value adjustment

+ References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=elp_GenerationConcessionAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: