XML 196 R178.htm IDEA: XBRL DOCUMENT v3.21.1
23 Post-employment Benefits (Details 12)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of defined benefit plans [line items]    
Asset allocation 100.00% 100.00%
Fixed Income [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 69.60% 70.40%
Variable Income [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 7.20% 9.10%
Loans [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 1.60% 1.60%
Real Estate [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 5.80% 7.20%
Investment Structuring [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 10.50% 8.90%
Investments Abroad [member]    
Disclosure of defined benefit plans [line items]    
Asset allocation 5.30% 2.80%