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Post-employment Benefits (Details 4) - Number
Number in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Unified Plan [Member]    
IfrsStatementLineItems [Line Items]    
Number of active participants 10 18
Number of inactive participants 4,170 4,229
Number of dependent people (0)  
Total 4,180 4,247
Plan I I I [Member]    
IfrsStatementLineItems [Line Items]    
Number of active participants 6,031 6,645
Number of inactive participants 5,369 5,018
Number of dependent people (0)  
Total 11,400 11,663
Assistance Plan [Member]    
IfrsStatementLineItems [Line Items]    
Number of active participants 5,775 6,276
Number of inactive participants 9,059 8,910
Number of dependent people 20,867 21,621
Total 35,701 36,807