XML 379 R171.htm IDEA: XBRL DOCUMENT v3.22.1
Schedule of actuarial employee benefit assets and liabilities (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
IfrsStatementLineItems [Line Items]        
Actuarial assets R$ (59,111) R$ (13,819)    
Actuarial liabilities 584,288 758,426    
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member]        
IfrsStatementLineItems [Line Items]        
Actuarial assets (59,111) (13,819) R$ (13,714)  
Actuarial liabilities   79,546 19,788  
Post Employment Healthcare Benefits [Member]        
IfrsStatementLineItems [Line Items]        
Actuarial liabilities R$ 584,288 R$ 678,880 R$ 892,396 R$ 897,137