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Equity (Details 3) - BRL (R$)
R$ / shares in Units, R$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 1,112,007 R$ 4,952,573 R$ 3,904,202
Weighted average of shares 2,736,553,750 2,736,553,750 2,736,553,750
Continuing Operations 1 [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 1,112,007 R$ 3,767,197 R$ 3,823,981
Weighted average of shares 2,736,553,750 2,736,553,750 2,736,553,750
Discontinued operations [member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings   R$ 1,185,376 R$ 80,221
Weighted average of shares   2,736,553,750 2,736,553,750
Ordinary shares [member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 409,399 R$ 1,899,620 R$ 1,975,751
Weighted average of shares 1,054,090,460 1,176,755,935 1,450,310,800
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.38839 R$ 1.61429 R$ 1.36229
Ordinary shares [member] | Continuing Operations 1 [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 409,399 R$ 1,417,379 R$ 1,935,144
Weighted average of shares 1,054,090,460 1,176,755,935 1,450,310,800
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.38839 R$ 1.20448 R$ 1.33430
Ordinary shares [member] | Discontinued operations [member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings   R$ 482,241 R$ 40,607
Weighted average of shares   1,176,755,935 1,450,310,800
Basic and diluted earnings per share attributable to shareholders of parent company   R$ 0.40981 R$ 0.02800
Class A Preferred Shares [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 1,575 R$ 5,908 R$ 5,883
Weighted average of shares 3,128,000 3,171,194 3,268,067
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.50343 R$ 1.86252 R$ 1.80062
Class A Preferred Shares [Member] | Continuing Operations 1 [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 1,575 R$ 4,478 R$ 5,783
Weighted average of shares 3,128,000 3,171,194 3,268,067
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.50343 R$ 1.41173 R$ 1.76982
Class A Preferred Shares [Member] | Discontinued operations [member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings   R$ 1,430 R$ 100
Weighted average of shares   3,171,194 3,268,067
Basic and diluted earnings per share attributable to shareholders of parent company   R$ 0.45079 R$ 0.03080
Class B Preferred Shares [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 701,033 R$ 3,047,045 R$ 1,922,568
Weighted average of shares 1,679,335,290 1,556,626,621 1,282,974,883
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.41745 R$ 1.95747 R$ 1.49852
Class B Preferred Shares [Member] | Continuing Operations 1 [Member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings R$ 701,033 R$ 2,345,340 R$ 1,883,054
Weighted average of shares 1,679,335,290 1,556,626,621 1,282,974,883
Basic and diluted earnings per share attributable to shareholders of parent company R$ 0.41745 R$ 1.50668 R$ 1.46773
Class B Preferred Shares [Member] | Discontinued operations [member]      
IfrsStatementLineItems [Line Items]      
Basic and diluted earnings   R$ 701,705 R$ 39,514
Weighted average of shares   1,556,626,621 1,282,974,883
Basic and diluted earnings per share attributable to shareholders of parent company   R$ 0.45079 R$ 0.03080