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v3.21.1

13 Taxes (Details 4) R$ in Thousands | Dec. 31, 2020 BRL (R$)
--- | ---
Taxes [Abstract] |
Calculated until February 2020 | R$ 3,805,985
Calculated from March to June 2020 | 121,838
Total | 121,838
Current | 121,838
Noncurrent | R$ 3,805,985

X
- Definition The amount of pis and cofins to be refunded to consumers. + References No definition available. + Details
Name: | elp_PisAndCofinsToBeRefundedToConsumers
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of pis and cofins to be refunded to consumers current. + References No definition available. + Details
Name: | elp_PisAndCofinsToBeRefundedToConsumersCurrent
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of pis and cofins to be refunded to consumers from march to june2020. + References No definition available. + Details
Name: | elp_PisAndCofinsToBeRefundedToConsumersFromMarchToJune2020
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of pis and cofins to be refunded to consumers noncurrent. + References No definition available. + Details
Name: | elp_PisAndCofinsToBeRefundedToConsumersNoncurrent
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of pis and cofins to be refunded to consumers until feb2020. + References No definition available. + Details
Name: | elp_PisAndCofinsToBeRefundedToConsumersUntilFeb2020
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | elp_TaxesAbstract
Namespace Prefix: | elp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration