XML 174 R192.htm IDEA: XBRL DOCUMENT
v3.20.1

30 Equity (Details) | Dec. 31, 2019 shares
--- | ---
Disclosure of classes of share capital [line items] |
Number of shares | 273,655,375
Percent | 10000.00%
Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 145,031,080
Percent | 10000.00%
Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 128,297,153
Percent | 10000.00%
Class "A" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 327,142
Percent | 10000.00%
State of Parana [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 85,028,598
Percent | 3107.00%
State of Parana [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 85,028,598
Percent | 5863.00%
BNDES [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 65,580,781
Percent | 2396.00%
BNDES [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 38,298,775
Percent | 2641.00%
BNDES [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 27,282,006
Percent | 2126.00%
Eletrobras [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,530,774
Percent | 56.00%
Eletrobras [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,530,774
Percent | 1.06%
Free Float: NYSE [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 27,289,828
Percent | 997.00%
Free Float: NYSE [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 108,545
Percent | 7.00%
Free Float: NYSE [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 27,181,283
Percent | 2119.00%
Free Float: Latibex [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 170,911
Percent | 6.00%
Free Float: Latibex [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 170,911
Percent | 13.00%
Other Shareholders [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 445,926
Percent | 16.00%
Other Shareholders [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 158,166
Percent | 11.00%
Other Shareholders [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 46,727
Percent | 4.00%
Other Shareholders [Member] | Class "A" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 241,033
Percent | 7368.00%
Free Float: B3 [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 93,417,367
Percent | 3415.00%
Free Float: B3 [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 19,727,829
Percent | 1360.00%
Free Float: B3 [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 73,612,755
Percent | 5738.00%
Free Float: B3 [Member] | Class "A" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 76,783
Percent | 2347.00%
City Halls [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 191,190
Percent | 7.00%
City Halls [Member] | Common [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 178,393
Percent | 12.00%
City Halls [Member] | Class "B" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 3,471
City Halls [Member] | Class "A" Preferred [Member] |
Disclosure of classes of share capital [line items] |
Number of shares | 9,326
Percent | 285.00%

X
- Definition The amount refers to proportion of ownership. + References No definition available. + Details
Name: | elp_ProportionOfOwnership
Namespace Prefix: | elp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=elp_CommonSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=elp_ClassBPreferredSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=elp_ClassAPreferredSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_StateOfParanaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_BNDESMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_EletrobrasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_FreeFloatNYSEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_FreeFloatLatibexMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_OtherShareholdersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_FreeFloatB3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=elp_CityHallsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |