XML 197 R179.htm IDEA: XBRL DOCUMENT
v3.21.1

23 Post-employment Benefits (Details 13) | 12 Months Ended
--- | ---
Dec. 31, 2020
Unified Plan [member] | Fixed Income [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 86.50%
Minimum limit | 55.00%
Unified Plan [member] | Variable Income [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 5.00%
Minimum limit | 1.00%
Unified Plan [member] | Loans [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 0.50%
Minimum limit | 0.00%
Unified Plan [member] | Real Estate [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 5.00%
Minimum limit | 1.00%
Unified Plan [member] | Investment Structuring [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 3.00%
Minimum limit | 0.00%
Unified Plan [member] | Investments Abroad [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 0.00%
Minimum limit | 0.00%
Plan III [member] | Fixed Income [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 51.00%
Minimum limit | 23.00%
Plan III [member] | Variable Income [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 14.00%
Minimum limit | 8.00%
Plan III [member] | Loans [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 3.00%
Minimum limit | 1.00%
Plan III [member] | Real Estate [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 10.00%
Minimum limit | 0.00%
Plan III [member] | Investment Structuring [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 16.00%
Minimum limit | 0.00%
Plan III [member] | Investments Abroad [member] |
Disclosure of defined benefit plans [line items] |
Target limit | 6.00%
Minimum limit | 0.00%

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one maximum limit plan. + References No definition available. + Details
Name: | elp_MinimumLimit
Namespace Prefix: | elp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References No definition available. + Details
Name: | elp_TargetLimit
Namespace Prefix: | elp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=elp_UnifiedPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_FixedIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_VariableIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_LoansAllocationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_RealEstateAllocationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_InvestmentStructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_ForeignInvestmentsAbroadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=elp_PlanIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_PlanAssetCategoriesAxis=elp_ForeignInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |