Schedule reflecting summary of contractual.

No definition available.

Name:	elp_SummaryOfContractAssetsLineItems
Namespace Prefix:	elp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_105&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_ContractAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current contract assets. [Refer: Contract assets]

+ References

+ Details

Name:	ifrs-full_CurrentContractAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of non-current contract assets. [Refer: Contract assets]

+ References

+ Details

Name:	ifrs-full_NoncurrentContractAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Details

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

- Details

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

11 Contract assets (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2019	Dec. 31, 2018
SummaryOfContractAssetsLineItems [Line Items]
Contract Assets	R$ 4,051,384	R$ 3,433,230
Current	107,443	85,019
Noncurrent	3,943,941	3,348,211
Power Distribution Service Concession [Member]
SummaryOfContractAssetsLineItems [Line Items]
Contract Assets	844,284	640,500
Piped Gas Distribution Service Concession [Member]
SummaryOfContractAssetsLineItems [Line Items]
Contract Assets	26,734	25,718
Power Transmission Concession [Member]
SummaryOfContractAssetsLineItems [Line Items]
Contract Assets	R$ 3,180,366	R$ 2,767,012