XML 231 R213.htm IDEA: XBRL DOCUMENT
v3.21.1

32 Operating Costs and Expenses (Details 5) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of operating costs and expenses [line items] |  |  |
Construction cost | R$ 1,417,504 | R$ 1,091,396 | R$ 1,052,208
Materials And Supplies [member] |  |  |
Disclosure of operating costs and expenses [line items] |  |  |
Construction cost | 781,807 | 548,336 | 507,899
Third-party services [member] |  |  |
Disclosure of operating costs and expenses [line items] |  |  |
Construction cost | 460,952 | 395,607 | 400,680
Personnel [member] |  |  |
Disclosure of operating costs and expenses [line items] |  |  |
Construction cost | 140,108 | 125,777 | 124,469
Others [member] |  |  |
Disclosure of operating costs and expenses [line items] |  |  |
Construction cost | R$ 34,637 | R$ 21,676 | R$ 19,160

X
- Definition The amount refers to construction costs. + References No definition available. + Details
Name: | elp_ConstructionCosts
Namespace Prefix: | elp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Operating Costs And Expenses [Line Items] + References No definition available. + Details
Name: | elp_DisclosureOfOperatingCostsAndExpensesLineItems
Namespace Prefix: | elp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | elp_TypeOfExpenseAxis=elp_MaterialsAndSuppliesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_TypeOfExpenseAxis=elp_ThirdPartyServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_TypeOfExpenseAxis=elp_PersonnelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | elp_TypeOfExpenseAxis=elp_OthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |