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Post-employment Benefits (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]      
Post-employment benefits R$ 1,070,037 R$ 1,295,174 R$ 1,493,614
Post-employment benefits, current 73,814 68,836  
Post-employment benefits, noncurrent 996,223 1,226,338  
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 949 965  
Healthcare Plans [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits R$ 1,069,088 R$ 1,294,209