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v3.22.1

Schedule of asset allocation for pension and healthcare plans (Details) | 12 Months Ended
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Dec. 31, 2021
IfrsStatementLineItems [Line Items] |
Asset allocation | 100.00%
Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 100.00%
Fixed Income [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 69.60%
Fixed Income [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 71.10%
Variable Income [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 7.20%
Variable Income [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 10.00%
Loans Allocation [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 1.60%
Loans Allocation [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 1.20%
Real Estate Allocation [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 5.80%
Real Estate Allocation [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 2.70%
Investment Structuring [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 10.50%
Investment Structuring [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 10.20%
Investments Abroad [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 5.30%
Investments Abroad [Member] | Events After Reporting Period [Member] |
IfrsStatementLineItems [Line Items] |
Asset allocation | 4.80%

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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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Data Type: | na
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Name: | elp_PlanAssetCategoriesAxis=elp_FixedIncomeMember
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Data Type: | na
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Name: | elp_PlanAssetCategoriesAxis=elp_VariableIncomeMember
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Data Type: | na
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Name: | elp_PlanAssetCategoriesAxis=elp_LoansAllocationMember
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Data Type: | na
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Name: | elp_PlanAssetCategoriesAxis=elp_RealEstateAllocationMember
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Data Type: | na
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Name: | elp_PlanAssetCategoriesAxis=elp_InvestmentStructuringMember
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Data Type: | na
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- Details
Name: | elp_PlanAssetCategoriesAxis=elp_InvestmentsAbroadMember
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Data Type: | na
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