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30 Equity (Details) | Dec. 31, 2020 shares
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Disclosure of classes of share capital [line items] |
Number of shares | 2,736,553,750
Percent | 100.00%
Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,450,310,800
Percent | 100.00%
Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,282,975,430
Percent | 100.00%
Class "A" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 3,267,520
Percent | 100.00%
State of parana [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 850,285,980
Percent | 31.07%
State of parana [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 850,285,980
Percent | 58.63%
BNDES [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 655,807,810
Percent | 23.96%
BNDES [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 382,987,750
Percent | 26.41%
BNDES [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 272,820,060
Percent | 21.26%
Eletrobras [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 15,307,740
Percent | 0.56%
Eletrobras [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 15,307,740
Percent | 1.06%
Free float: B3 [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 972,748,740
Percent | 35.56%
Free float: B3 [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 197,200,880
Percent | 13.59%
Free float: B3 [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 774,780,030
Percent | 60.40%
Free float: B3 [member] | Class "A" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 767,830
Percent | 23.50%
Free float: NYSE [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 234,311,920
Percent | 8.56%
Free float: NYSE [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,163,450
Percent | 0.08%
Free float: NYSE [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 233,148,470
Percent | 18.17%
Free Float: Latibex [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,721,110
Percent | 0.06%
Free Float: Latibex [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,721,110
Percent | 0.13%
City halls [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,911,900
Percent | 0.07%
City halls [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,783,930
Percent | 0.12%
City halls [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 34,710
City halls [member] | Class "A" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 93,260
Percent | 2.85%
Other shareholders [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 4,458,550
Percent | 0.16%
Other shareholders [member] | Common [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 1,581,070
Percent | 0.11%
Other shareholders [member] | Class "B" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 471,050
Percent | 0.04%
Other shareholders [member] | Class "A" preferred [member] |
Disclosure of classes of share capital [line items] |
Number of shares | 2,406,430
Percent | 73.65%

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