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v3.20.1

27 Right-of-use asset and lease liability (Details Narrative) | 12 Months Ended
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Dec. 31, 2019
Right of Use Asset And Lease Liability [Abstract] |
Discount rate on last adoption | 5.85%
Discount rate on initial adoption | 9.10%

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- Definition Discount rate on initial adoption. + References No definition available. + Details
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- Definition Discount rate on last adoption. + References No definition available. + Details
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Namespace Prefix: | elp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | elp_
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Balance Type: | na
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