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Schedule of share based compensation (Details)
R$ / shares in Units, R$ in Thousands
 12 Months Ended
Dec. 31, 2021
BRL (R$)
R$ / shares
IfrsStatementLineItems [Line Items]  
Dividends per share | R$ / shares R$ 1.83
Total | R$ R$ 2,911,424
Anticipated Dividend [Member]  
IfrsStatementLineItems [Line Items]  
Anticipated dividend | R$ R$ 1,750,000
Dividends per share | R$ / shares R$ 1.26801069070972
Interest On Equity [Member]  
IfrsStatementLineItems [Line Items]  
Dividends per share | R$ / shares R$ 0.19150790423
Interest on equity | R$ R$ 256,953
Mandatory Minimum Dividends [Member]  
IfrsStatementLineItems [Line Items]  
Dividends per share | R$ / shares R$ 0.67410640690
Mandatory minimum dividends | R$ R$ 904,471