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Post-employment Benefits (Details 13)
 12 Months Ended
Dec. 31, 2024
Fixed Income [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 88.00%
Minimum limit 80.00%
Fixed Income [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 81.00%
Minimum limit 72.00%
Variable Income [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 2.00%
Minimum limit 0.50%
Variable Income [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 4.00%
Minimum limit 2.00%
Loans Allocation [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 0.50%
Minimum limit 0.00%
Loans Allocation [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 2.00%
Minimum limit 2.00%
Real Estate Allocation [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 2.50%
Minimum limit 2.50%
Real Estate Allocation [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 2.00%
Minimum limit 1.00%
Investment Structuring [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 7.00%
Minimum limit 3.50%
Investment Structuring [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 9.00%
Minimum limit 7.00%
Foreign Investments Abroad [Member] | Unified Plan [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 0.00%
Minimum limit 0.00%
Foreign Investments Abroad [Member] | Plan III [Member]  
Disclosure of defined benefit plans [line items]  
Target limit 2.00%
Minimum limit 1.00%