v3.26.1
Provisions for employees' benefits - Net of post-employment benefits (Details) - COP ($)
$ in Billions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Liabilities for employee benefits    
Opening balance $ 27,861 $ 29,162
Current service cost 179 208
Past service cost 110 217
Interest expense 2,373 2,091
Gains from financial assumptions (4,172) (1,818)
Benefits paid (2,138) (1,974)
Foreign currency translation 13 (25)
Closing balance 24,226 27,861
Plan assets    
Opening balance 11,730 12,011
Return on assets 991 850
Contributions to funds 892 (1,187)
Benefits paid (2,138)  
Actuarial gains 55 56
Closing balance 11,530 11,730
Net post-employment benefits liability 12,696 16,131
Pension and bonds    
Liabilities for employee benefits    
Opening balance 14,831 16,412
Current service cost 6 34
Past service cost 0  
Interest expense 1,273 1,163
Gains from financial assumptions (1,054) (1,520)
Benefits paid (1,301) (1,232)
Foreign currency translation 13 (26)
Closing balance 13,768 14,831
Plan assets    
Opening balance 11,693 11,974
Return on assets 989 848
Contributions to funds 67 (1,183)
Benefits paid (1,301)  
Actuarial gains 53 54
Closing balance 11,501 11,693
Net post-employment benefits liability 2,267 3,138
Other    
Liabilities for employee benefits    
Opening balance 13,030 12,750
Current service cost 173 174
Past service cost 110 217
Interest expense 1,100 928
Gains from financial assumptions (3,118) (298)
Benefits paid (837) (742)
Foreign currency translation 0 1
Closing balance 10,458 13,030
Plan assets    
Opening balance 37 37
Return on assets 2 2
Contributions to funds 825 (4)
Benefits paid (837)  
Actuarial gains 2 2
Closing balance 29 37
Net post-employment benefits liability $ 10,429 $ 12,993