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Post-employment Benefits (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]      
Post-employment benefits R$ 260,159 R$ 260,197 R$ 243,019
Management One [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 1,641 1,384 1,422
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member] | Management One [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 1,441 1,236 1,300
Healthcare Plan [Member] | Management One [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 200 148 122
Employees [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 258,518 258,813 241,597
Employees [Member] | 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 55,320 52,980 56,454
Employees [Member] | Healthcare Plan Post Employment [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits 128,652 138,921 115,587
Employees [Member] | Healthcare Plan Active Employees [Member]      
IfrsStatementLineItems [Line Items]      
Post-employment benefits R$ 74,546 R$ 66,912 R$ 69,556