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Post-employment Benefits (Details 2) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Post-employment Benefits    
Post-employment benefits, balance at beginning R$ 1,295,174 R$ 1,493,614
Appropriation of actuarial calculation 140,293 116,504
Appropriation of pension and healthcare contributions 127,878 130,308
Adjustment related to actuarial gains (loss) (291,742) [1] (246,626)
Amortizations (201,566) (198,626)
Post-employment benefits, balance at ending R$ 1,070,037 R$ 1,295,174
[1] Adjustments arising from the transfer of liabilities from Copel Serviços to Copel and other subsidiaries.