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Equity (Details) - shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 2,736,553,750 | 2,736,553,750 | 2,736,553,750
Percent | 100.00% | 100.00% | 100.00%
Common Shares [Member] | State Of Parana [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 734,298,319 | 734,304,512 | 850,285,980
Percent | 69.66% | 69.66% | 58.63%
Common Shares [Member] | B N D E S [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 131,161,562 | 131,161,562 | 382,987,750
Percent | 12.44% | 12.44% | 26.41%
Common Shares [Member] | Free Float B 3 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 137,163,852 | 126,653,784 | 197,200,880
Percent | 13.02% | 12.02% | 13.59%
Common Shares [Member] | Free Float N Y S E [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 32,642,912 | 43,115,100 | 1,163,450
Percent | 3.10% | 4.09% | 0.08%
Common Shares [Member] | Free Float Latibex [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 222,167 | 228,667 |
Percent | 0.02% | 0.02% |
Common Shares [Member] | Other Shareholders [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 18,601,648 | 18,626,835 | 18,672,740
Percent | 1.76% | 1.77% | 1.29%
Class A Preferred Shares [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 3,128,000 | 3,128,000 | 3,267,520
Percent | 100.00% | 100.00% | 100.00%
Class A Preferred Shares [Member] | State Of Parana [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares |  |  |
Percent | (0.00%) | (0.00%) | (0.00%)
Class A Preferred Shares [Member] | B N D E S [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares |  |  |
Percent | (0.00%) | (0.00%) | (0.00%)
Class A Preferred Shares [Member] | Free Float B 3 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 674,880 | 661,760 | 767,830
Percent | 21.58% | 21.16% | 23.50%
Class A Preferred Shares [Member] | Free Float N Y S E [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares |  |  |
Percent | (0.00%) | (0.00%) | (0.00%)
Class A Preferred Shares [Member] | Free Float Latibex [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares |  |  |
Percent |  |  |
Class A Preferred Shares [Member] | Other Shareholders [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 2,453,120 | 2,466,240 | 2,499,690
Percent | 78.42% | 78.84% | 76.50%
Class B Preferred Shares [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 1,679,335,290 | 1,679,335,290 | 1,282,975,430
Percent | 100.00% | 100.00% | 100.00%
Class B Preferred Shares [Member] | State Of Parana [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 115,945,012 | 115,969,784 |
Percent | 6.90% | 6.91% |
Class B Preferred Shares [Member] | B N D E S [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 524,646,248 | 524,646,248 | 272,820,060
Percent | 31.24% | 31.24% | 21.26%
Class B Preferred Shares [Member] | Free Float B 3 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 905,448,728 | 863,944,649 | 774,780,030
Percent | 53.92% | 51.44% | 60.40%
Class B Preferred Shares [Member] | Free Float N Y S E [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 130,571,648 | 172,460,400 | 233,148,470
Percent | 7.78% | 10.27% | 18.17%
Class B Preferred Shares [Member] | Free Float Latibex [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 1,796,243 | 1,782,043 | 1,721,110
Percent | 0.11% | 0.11% | 0.13%
Class B Preferred Shares [Member] | Other Shareholders [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 927,411 | 532,166 | 505,760
Percent | 0.05% | 0.03% | 0.04%
Common Shares One [Member] | State Of Parana [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 850,243,331 | 850,274,296 | 850,285,980
Percent | 31.07% | 31.07% | 31.07%
Common Shares One [Member] | B N D E S [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 655,807,810 | 655,807,810 | 655,807,810
Percent | 23.96% | 23.96% | 23.96%
Common Shares One [Member] | Free Float B 3 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 1,043,287,460 | 991,260,193 | 972,748,740
Percent | 38.13% | 36.23% | 35.56%
Common Shares One [Member] | Free Float N Y S E [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 163,214,560 | 215,575,500 | 234,311,920
Percent | 5.96% | 7.88% | 8.56%
Common Shares One [Member] | Free Float Latibex [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 2,018,410 | 2,010,710 | 1,721,110
Percent | 0.07% | 0.07% | 0.06%
Common Shares One [Member] | Other Shareholders [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 21,982,179 | 21,625,241 | 21,678,190
Percent | 0.81% | 0.79% | 0.79%
Common Share [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares | 1,054,090,460 | 1,054,090,460 | 1,450,310,800
Percent | 100.00% | 100.00% | 100.00%

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