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21 Loans and Financing (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about borrowings [line items]      
Final maturity The term of these securities ranges from 4 to 51 months from the end of the reporting period.    
Loans and financing R$ 3,188,531 R$ 3,142,383 R$ 4,047,307
Gross debt 3,214,249 3,168,710  
Transaction cost (25,718) (26,327)  
Net debt 3,188,531 3,142,383  
Loans and financing, current 717,677 255,521  
Loans and financing, noncurrent 2,470,854 2,886,862  
Foreign Currency [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing 140,337 108,983 104,751
Loans and financing, noncurrent R$ 103,646    
Foreign Currency [member] | National Treasury Department (STN - Secretaria do Tesouro Nacional) [member] | Par Bond [member]      
Disclosure of detailed information about borrowings [line items]      
Contract Par Bond    
Company Copel    
Allocation Debt negotiation    
Guarantees Guarantees deposited (21.1).    
Issue date May 20, 1998    
Number of installments 1    
Final maturity Apr. 11, 2024    
Finance charges Half-yearly    
Contractual financial charges p.y. 6.0% + 0.20%    
Effective interest rate p.y. 6.0% + 0.20%    
Contract amount R$ 17,315    
Loans and financing R$ 82,933 64,325  
Foreign Currency [member] | National Treasury Department (STN - Secretaria do Tesouro Nacional) [member] | Discount Bond [member]      
Disclosure of detailed information about borrowings [line items]      
Contract Discount Bond    
Company Copel    
Allocation Debt negotiation    
Guarantees Guarantees deposited (21.1).    
Issue date May 20, 1998    
Number of installments 1    
Final maturity Apr. 11, 2024    
Finance charges Half-yearly    
Contractual financial charges p.y. 2.8125% + 0,20%    
Effective interest rate p.y. 2.8125% + 0,20%    
Contract amount R$ 12,082    
Loans and financing 57,404 44,658  
Local Currency [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing 3,048,194 3,033,400 R$ 3,942,556
Loans and financing, noncurrent R$ 2,830,614    
Local Currency [member] | Promissory Notes [member]      
Disclosure of detailed information about borrowings [line items]      
Contract Promissory notes    
Company Copel GeT    
Allocation Payment of the first installment of debentures and cash enhancement of Copel Get.    
Guarantees Surety of Copel.    
Issue date May 12, 2017    
Number of installments 1    
Final maturity May 12, 2019    
Finance charges Single installment    
Contractual financial charges p.y. 117% of DI    
Effective interest rate p.y. 117% of DI    
Local Currency [member] | Banco Do Brasil [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing R$ 640,177 679,976  
Local Currency [member] | Banco Do Brasil [member] | CCB 306.401.381 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract [1] CCB 306.401.381    
Company Copel HOL    
Allocation Working Capital    
Guarantees Credit assignment    
Issue date Dec. 19, 2019    
Number of installments 5    
Final maturity Mar. 25, 2022    
Finance charges Quarterly    
Contractual financial charges p.y. 120.00% of DI    
Effective interest rate p.y. 126.99% of DI    
Contract amount R$ 640,005    
Loans and financing R$ 640,177    
Local Currency [member] | Banco Do Brasil [member] | NCI 306.401.445 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract NCI 306.401.445    
Company Copel HOL    
Allocation Working Capital    
Guarantees Credit assignment    
Issue date Feb. 24, 2017    
Number of installments 2    
Final maturity Feb. 15, 2020    
Finance charges Half-yearly    
Contractual financial charges p.y. 124.5% of DI    
Effective interest rate p.y. 136.15% of DI    
Contract amount R$ 77,000    
Loans and financing 640,530  
Local Currency [member] | Banco Do Brasil [member] | Contract [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing   39,446  
Local Currency [member] | Eletrobras [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing 10,934  
Local Currency [member] | Eletrobras [member] | 983/95 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 983/95    
Allocation National Program for Watering - Proni.    
Guarantees Own revenue; issue of promissory notes and commercial duplicates.    
Issue date Dec. 22, 1994    
Number of installments 80    
Final maturity Nov. 15, 2020    
Finance charges Quarterly    
Contractual financial charges p.y. 8.00%    
Effective interest rate p.y. 8.00%    
Contract amount R$ 11    
Loans and financing 26  
Local Currency [member] | Eletrobras [member] | 984/95 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 984/95    
Allocation National Program for Watering - Proni.    
Guarantees Own revenue; issue of promissory notes and commercial duplicates.    
Issue date Dec. 22, 1994    
Number of installments 80    
Final maturity Nov. 15, 2020    
Finance charges Quarterly    
Contractual financial charges p.y. 8.00%    
Effective interest rate p.y. 8.00%    
Contract amount R$ 14    
Loans and financing 11  
Local Currency [member] | Eletrobras [member] | 985/95 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 985/95    
Issue date Dec. 22, 1994    
Number of installments 80    
Final maturity Aug. 15, 2021    
Finance charges Quarterly    
Contractual financial charges p.y. 8.00%    
Effective interest rate p.y. 8.00%    
Contract amount R$ 61    
Loans and financing 11  
Local Currency [member] | Eletrobras [member] | 206/07 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 206/07    
Allocation Rural Electricity Program - Luz para Todos.    
Issue date Mar. 03, 2008    
Number of installments 120    
Final maturity Aug. 30, 2020    
Finance charges Monthly    
Contractual financial charges p.y. 5.0% + 1.0%    
Effective interest rate p.y. 5.05%    
Contract amount R$ 109,642    
Loans and financing 5,953  
Local Currency [member] | Eletrobras [member] | 273/09 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 273/09    
Allocation Rural Electricity Program - Luz para Todos.    
Issue date Feb. 18, 2010    
Number of installments 120    
Final maturity Dec. 30, 2022    
Finance charges Monthly    
Contractual financial charges p.y. 5.0% + 1.0%    
Effective interest rate p.y. 5.0% + 1.0%    
Contract amount R$ 63,944    
Loans and financing 4,933  
Local Currency [member] | Caixa Econonica Federal [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing R$ 11,661 13,741  
Local Currency [member] | Caixa Econonica Federal [member] | 415.855-22/14 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 415.855-22/14    
Company Copel DIS    
Allocation Rural Electricity Program - Luz para Todos.    
Guarantees Own revenue; issue of promissory notes and commercial duplicates.    
Issue date Mar. 31, 2015    
Number of installments 120    
Final maturity Dec. 08, 2026    
Finance charges Monthly    
Contractual financial charges p.y. 6.00%    
Effective interest rate p.y. 6.00%    
Contract amount R$ 16,984    
Loans and financing R$ 11,496 13,410  
Local Currency [member] | Caixa Econonica Federal [member] | 3153-352 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 3153-352    
Company Copel DIS    
Allocation Acquisition of machinery, equipment and IT and automation equipment.    
Guarantees Assignment of trade notes receivable.    
Issue date Nov. 01, 2016    
Number of installments 36    
Final maturity Dec. 15, 2021    
Finance charges Monthly    
Contractual financial charges p.y. 5.5 % above TJLP    
Effective interest rate p.y. 5.5 % above TJLP    
Contract amount R$ 1,156    
Loans and financing 165 331  
Local Currency [member] | Finep [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing 4,845  
Local Currency [member] | Finep [member] | 21120105-00 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 21120105-00    
Company Copel Tel    
Allocation BEL project - ultra wide band intranet service (Ultra Wide Band - UWB).    
Guarantees Lock of proceeds received in current account.    
Issue date Jul. 17, 2012    
Number of installments 81    
Final maturity Oct. 15, 2020    
Finance charges Monthly    
Contractual financial charges p.y. 4.00%    
Effective interest rate p.y. 4.39%    
Contract amount    
Loans and financing 2,626  
Local Currency [member] | Finep [member] | 21120105-00 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 21120105-00    
Company Copel Tel    
Allocation BEL project - ultra wide band intranet service (Ultra Wide Band - UWB).    
Guarantees Lock of proceeds received in current account.    
Issue date Jul. 17, 2012    
Number of installments 81    
Final maturity Oct. 15, 2020    
Finance charges Monthly    
Contractual financial charges p.y. 3.5% + TR    
Effective interest rate p.y. 3.88% + TR    
Contract amount    
Loans and financing 2,219  
Local Currency [member] | BNDES [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing   2,338,138  
Local Currency [member] | BNDES [member] | 820989.1 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 820989.1    
Company Copel GeT    
Allocation Implementation of Mauá HPP.    
Guarantees Revenue from energy sales from the plant.    
Issue date Mar. 17, 2009    
Number of installments 179    
Final maturity Jan. 15, 2028    
Finance charges Monthly    
Contractual financial charges p.y. 1.63% above TJLP    
Effective interest rate p.y. 1.63% above TJLP    
Contract amount R$ 169,500    
Loans and financing R$ 95,807 107,324  
Local Currency [member] | BNDES [member] | 1120952.1 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 1120952.1    
Company Copel GeT    
Allocation Implementation of transmission line between Foz do Iguaçu and Cascavel Oeste substations.    
Guarantees Assignment of receivables; revenue from energy transmission services.    
Issue date Dec. 16, 2011    
Number of installments 168    
Final maturity Apr. 15, 2026    
Finance charges Monthly    
Contractual financial charges p.y. 1.82% and 1.42% above TJLP    
Effective interest rate p.y. 1.82% and 1.42% above TJLP    
Contract amount R$ 44,723    
Loans and financing R$ 17,756 21,090  
Local Currency [member] | BNDES [member] | 1220768.1 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 1220768.1    
Company Copel GeT    
Allocation Implementation of Cavernoso II SHP.    
Guarantees Revenue from energy sales from the plant.    
Issue date Sep. 28, 2012    
Number of installments 192    
Final maturity Jul. 15, 2029    
Finance charges Monthly    
Contractual financial charges p.y. 1.36% above TJLP    
Effective interest rate p.y. 1.36% above TJLP    
Contract amount R$ 73,122    
Loans and financing R$ 41,405 46,240  
Local Currency [member] | BNDES [member] | 13211061 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 13211061    
Company Copel GeT    
Allocation Implementation of Colíder HPP.    
Guarantees Assignment of receivables    
Issue date Dec. 04, 2013    
Number of installments 192    
Final maturity Oct. 15, 2031    
Finance charges Monthly    
Contractual financial charges p.y. 0% and 1.49% above TJLP    
Effective interest rate p.y. 6.43% and 7.68%    
Contract amount R$ 1,041,155    
Loans and financing R$ 748,083 817,329  
Local Currency [member] | BNDES [member] | 13210331 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 13210331    
Company Copel GeT    
Allocation Implementation of Cerquilho III substation.    
Guarantees Assignment of receivables    
Issue date Dec. 03, 2013    
Number of installments 168    
Final maturity Aug. 15, 2028    
Finance charges Monthly    
Contractual financial charges p.y. 1.49% and 1.89% above TJLP    
Effective interest rate p.y. 1.49% and 1.89% above TJLP    
Contract amount R$ 17,644    
Loans and financing R$ 10,069 11,385  
Local Currency [member] | BNDES [member] | 15206041 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 15206041    
Company Copel GeT    
Allocation Implementation of transmission line Assis - Paraguaçu Paulista II.    
Guarantees Assignment of receivables    
Issue date Dec. 28, 2015    
Number of installments 168    
Final maturity Jun. 15, 2030    
Finance charges Monthly    
Contractual financial charges p.y. 2.42% above TJLP    
Effective interest rate p.y. 9.04%    
Contract amount R$ 34,265    
Loans and financing R$ 20,280 22,419  
Local Currency [member] | BNDES [member] | 15205921 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 15205921    
Company Copel GeT    
Allocation Implementation of transmission lines Londrina - Figueira and Salto Osório - Foz do Chopim.    
Guarantees Assignment of receivables    
Issue date Dec. 28, 2015    
Number of installments 168    
Final maturity Dec. 15, 2029    
Finance charges Monthly    
Contractual financial charges p.y. 2.32% above TJLP    
Effective interest rate p.y. 8.93%    
Contract amount R$ 21,584    
Loans and financing R$ 12,171 13,526  
Local Currency [member] | BNDES [member] | 18205101 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 18205101    
Company Copel GeT    
Allocation Implementation of Baixo Iguaçu HPP.    
Guarantees Assignment of receivables    
Issue date Nov. 22, 2018    
Number of installments 192    
Final maturity Jun. 15, 2035    
Finance charges Monthly    
Contractual financial charges p.y. 1.94% above TJLP    
Effective interest rate p.y. 8.50%    
Contract amount R$ 194,000    
Loans and financing R$ 184,087 196,827  
Local Currency [member] | BNDES [member] | 14205611-A [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205611-A    
Company Copel DIS    
Allocation Preservation of business, improvements, operating support and general investments in the expansion and consolidation of projects and social investment programs of companies (ISE).    
Guarantees Surety of Copel; assignment of revenues and indemnity rights under the concession.    
Issue date Dec. 15, 2014    
Number of installments 72    
Final maturity Jan. 15, 2021    
Finance charges Monthly    
Contractual financial charges p.y. 2.09% above TJLP    
Effective interest rate p.y. 8.37%    
Contract amount R$ 41,583    
Loans and financing R$ 585 7,611  
Local Currency [member] | BNDES [member] | 14205611-B [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205611-B    
Company Copel DIS    
Allocation Preservation of business, improvements, operating support and general investments in the expansion and consolidation of projects and social investment programs of companies (ISE).    
Guarantees Surety of Copel; assignment of revenues and indemnity rights under the concession.    
Issue date Dec. 15, 2014    
Number of installments 6    
Final maturity Feb. 15, 2021    
Finance charges Annual    
Contractual financial charges p.y. 2.09 above TR BNDES    
Effective interest rate p.y. 2.09 above TR BNDES    
Contract amount R$ 17,821    
Loans and financing R$ 4,329 8,288  
Local Currency [member] | BNDES [member] | 14205611-C [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205611-C    
Company Copel DIS    
Allocation Preservation of business, improvements, operating support and general investments in the expansion and consolidation of projects and social investment programs of companies (ISE).    
Guarantees Surety of Copel; assignment of revenues and indemnity rights under the concession.    
Issue date Dec. 15, 2014    
Number of installments 113    
Final maturity Jun. 15, 2024    
Finance charges Monthly    
Contractual financial charges p.y. 6.00%    
Effective interest rate p.y. 6.00%    
Contract amount R$ 78,921    
Loans and financing R$ 27,434 35,267  
Local Currency [member] | BNDES [member] | 14205611-D [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205611-D    
Company Copel DIS    
Allocation Preservation of business, improvements, operating support and general investments in the expansion and consolidation of projects and social investment programs of companies (ISE).    
Guarantees Surety of Copel; assignment of revenues and indemnity rights under the concession.    
Issue date Dec. 15, 2014    
Number of installments 57    
Final maturity Feb. 15, 2021    
Finance charges Monthly    
Contractual financial charges p.y. TJLP    
Effective interest rate p.y. TJLP    
Contract amount R$ 750    
Loans and financing R$ 2 11  
Local Currency [member] | BNDES [member] | 14.2.1271.1 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14.2.1271.1    
Company Santa Maria    
Allocation Construction and implementation of wind generating plants.    
Guarantees Surety of Copel; pledge of shares; assignment of receivables and revenues.    
Issue date Jun. 01, 2015    
Number of installments 192    
Final maturity Aug. 15, 2031    
Finance charges Monthly    
Contractual financial charges p.y. 1.66% above TJLP    
Effective interest rate p.y. 8.26%    
Contract amount R$ 71,676    
Loans and financing R$ 41,665 45,582  
Local Currency [member] | BNDES [member] | 14.2.1272.1 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14.2.1272.1    
Company Santa Helena    
Allocation Construction and implementation of wind generating plants.    
Guarantees Surety of Copel; pledge of shares; assignment of receivables and revenues.    
Issue date Jun. 01, 2015    
Number of installments 192    
Final maturity Aug. 15, 2031    
Finance charges Monthly    
Contractual financial charges p.y. 1.66% above TJLP    
Effective interest rate p.y. 8.26%    
Contract amount R$ 82,973    
Loans and financing R$ 45,208 49,458  
Local Currency [member] | BNDES [member] | 11211521 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 11211521    
Company GE Farol    
Allocation Construction and implementation of wind generating plants.    
Guarantees Pledge of shares; assignment of receivables from energy sales from the project; assignment of machinery and equipment.    
Issue date Mar. 19, 2012    
Number of installments 192    
Final maturity Jun. 15, 2030    
Finance charges Monthly    
Contractual financial charges p.y. 2.34% above TJLP    
Effective interest rate p.y. 2.34% above TJLP    
Contract amount R$ 54,100    
Loans and financing R$ 37,470 41,388  
Local Currency [member] | BNDES [member] | 11211531 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 11211531    
Company GE Boa Vista    
Allocation Construction and implementation of wind generating plants.    
Guarantees Pledge of shares; assignment of receivables from energy sales from the project; assignment of machinery and equipment.    
Issue date Mar. 19, 2012    
Number of installments 192    
Final maturity Jun. 15, 2030    
Finance charges Monthly    
Contractual financial charges p.y. 2.34% above TJLP    
Effective interest rate p.y. 2.34% above TJLP    
Contract amount R$ 40,050    
Loans and financing R$ 27,701 27,701  
Local Currency [member] | BNDES [member] | 11211541 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 11211541    
Company GE S.B. do Norte    
Allocation Construction and implementation of wind generating plants.    
Guarantees Pledge of shares; assignment of receivables from energy sales from the project; assignment of machinery and equipment.    
Issue date Mar. 19, 2012    
Number of installments 192    
Final maturity Jun. 15, 2030    
Finance charges Monthly    
Contractual financial charges p.y. 2.34% above TJLP    
Effective interest rate p.y. 2.34% above TJLP    
Contract amount R$ 90,900    
Loans and financing R$ 62,824 69,394  
Local Currency [member] | BNDES [member] | 11211551 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 11211551    
Company GE Olho D'Água    
Allocation Construction and implementation of wind generating plants.    
Guarantees Pledge of shares; assignment of receivables from energy sales from the project; assignment of machinery and equipment.    
Issue date Mar. 19, 2012    
Number of installments 192    
Final maturity Jun. 15, 2030    
Finance charges Monthly    
Contractual financial charges p.y. 2.34% above TJLP    
Effective interest rate p.y. 2.34% above TJLP    
Contract amount R$ 97,000    
Loans and financing R$ 67,096 74,112  
Local Currency [member] | BNDES [member] | 18204611 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 18204611    
Company Cutia    
Allocation Construction and implementation of wind generating plants.    
Guarantees Pledge of shares; assignment of receivables.    
Issue date Oct. 25, 2018    
Number of installments 192    
Final maturity Jul. 15, 2035    
Finance charges Monthly    
Contractual financial charges p.y. 2.04% above TJLP    
Effective interest rate p.y. 8.37%    
Contract amount R$ 619,405    
Loans and financing R$ 588,169 611,457  
Local Currency [member] | BNDES [member] | 13212221 - A [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 13212221 - A    
Company Costa Oeste    
Allocation Implementation of transmission line between Cascavel Oeste and Umuarama Sul substations and implementation of Umuarama Sul substation.    
Guarantees Assignment of receivables; 100% of pledged shares.    
Issue date Dec. 03, 2013    
Number of installments 168    
Final maturity Nov. 30, 2028    
Finance charges Monthly    
Contractual financial charges p.y. 1.95% + TJLP    
Effective interest rate p.y. 1.95% + TJLP    
Contract amount R$ 27,634    
Loans and financing R$ 17,046 19,203  
Local Currency [member] | BNDES [member] | 13212221 - B [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 13212221 - B    
Company Costa Oeste    
Allocation Implementation of transmission line between Cascavel Oeste and Umuarama Sul substations and implementation of Umuarama Sul substation.    
Guarantees Assignment of receivables; 100% of pledged shares.    
Issue date Dec. 03, 2013    
Number of installments 106    
Final maturity Sep. 30, 2023    
Finance charges Monthly    
Contractual financial charges p.y. 3.5%    
Effective interest rate p.y. 3.5%    
Contract amount R$ 9,086    
Loans and financing R$ 2,194 2,992  
Local Currency [member] | BNDES [member] | 14205851 - A [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205851 - A    
Company Marumbi    
Allocation Implementation of transmission line between Curitiba and Curitiba Leste and implementation of Curitiba Leste substation.    
Guarantees Assignment of receivables; 100% of pledged shares.    
Issue date Jul. 08, 2014    
Number of installments 168    
Final maturity Jun. 30, 2029    
Finance charges Monthly    
Contractual financial charges p.y. 2.00% + TJLP    
Effective interest rate p.y. 2.00% + TJLP    
Contract amount R$ 33,460    
Loans and financing R$ 22,029 24,627  
Local Currency [member] | BNDES [member] | 14205851 - B [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 14205851 - B    
Company Marumbi    
Allocation Implementation of transmission line between Curitiba and Curitiba Leste and implementation of Curitiba Leste substation.    
Guarantees Assignment of receivables; 100% of pledged shares.    
Issue date Jul. 08, 2014    
Number of installments 106    
Final maturity Apr. 30, 2024    
Finance charges Monthly    
Contractual financial charges p.y. 6.00%    
Effective interest rate p.y. 6.00%    
Contract amount R$ 21,577    
Loans and financing 7,550 9,813  
Local Currency [member] | Banco do Brasil BNDES Transfer [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing R$ 83,936 95,807  
Local Currency [member] | Banco do Brasil BNDES Transfer [member] | 21/02000-0 [member]      
Disclosure of detailed information about borrowings [line items]      
Contract 21/02000-0    
Company Copel GeT    
Allocation Implementation of Mauá HPP.    
Guarantees Revenue from energy sales from the plant.    
Issue date Apr. 16, 2009    
Number of installments 179    
Final maturity Jan. 15, 2028    
Finance charges Monthly    
Contractual financial charges p.y. 2.13% above TJLP    
Effective interest rate p.y. 2.13% above TJLP    
Contract amount R$ 169,500    
Loans and financing R$ 83,936 95,807  
Local Currency [member] | BNDES [member]      
Disclosure of detailed information about borrowings [line items]      
Loans and financing   R$ 2,254,424  
[1] On March 25, 2021, the debt was renegotiated, with the final maturity date being changed to March 25, 2023 and the amount of financial charges to 135% of the DI p.y.