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41 Subsequent events (Details Narrative) - Events After Reporting Period [member] - Lease agreement [member] - Fundacao Copel de Previdencia e Assistencia Social [member]
R$ in Thousands
Feb. 22, 2021
BRL (R$)
DisclosureOfSubsequentEventsLineItems [Line Items]  
Initial value R$ 9,540
Total estimated value R$ 224,513
Agreement term 20 years