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Schedule of summarized information of key subsidiaries Income Statement (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |
Net operating revenue |  | R$ 18,633,249 |
Operating costs and expenses | R$ 19,119,637 | 13,347,822 | R$ 11,464,148
Income tax and social contribution | (1,259,632) | (1,285,365) | (675,661)
NET INCOME | 5,048,602 | 3,909,750 | 2,062,869
Total comprehensive income | 5,201,347 | 3,730,595 | 1,939,685
Dona Francisca [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Net operating revenue | 66,797 | 70,314 | 70,717
Operating costs and expenses | 26,605 | 26,171 | 25,957
Financial income (expense) | (664) | 208 | 475
Income tax and social contribution | (2,298) | (2,343) | (2,454)
NET INCOME | 37,230 | 42,008 | 42,781
Other comprehensive income |  |  |
Total comprehensive income | 37,230 | 42,008 | 42,781
Foz Do Chopim [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Net operating revenue | 60,943 | 55,740 | 56,929
Operating costs and expenses | 10,775 | 21,260 | 16,278
Financial income (expense) | (1,703) | (5,527) | 621
Income tax and social contribution | (2,060) | (2,035) | (2,346)
NET INCOME | 46,405 | 26,918 | 38,926
Other comprehensive income |  |  |
Total comprehensive income | R$ 46,405 | R$ 26,918 | R$ 38,926

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