v3.26.1
Investments in associates and joint ventures - Additional information about associates and joint ventures (Details) - COP ($)
$ in Billions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of financial position        
Current assets $ 53,445 $ 60,659    
Non-current assets 228,775 237,582    
Total assets 282,220 298,241    
Current liabilities 34,514 39,634    
Non-current liabilities 140,967 152,694    
Total liabilities 175,481 192,328    
Net equity 106,739 105,913 $ 100,253 $ 113,904
Other complementary information        
Cash and cash equivalents 10,694 14,054 12,336 $ 15,401
Statement of profit or loss        
Sales revenue 119,694 133,330 143,189  
Costs (82,057) (86,481) (88,178)  
Other operating expenses, net (5,024) (5,103) (5,026)  
Financial (expenses) income (8,528) (8,519) (5,665)  
Income tax 4,417 12,208 11,516  
Financial year results 14,444 18,499 25,383  
Other comprehensive results (2,286) 2,944 $ (11,456)  
Interligao Eltrica do Madeira        
Statement of financial position        
Current assets 622 650    
Non-current assets 4,300 4,729    
Total assets 4,922 5,379    
Current liabilities 214 417    
Non-current liabilities 1,637 1,843    
Total liabilities 1,851 2,260    
Net equity 3,071 3,119    
Other complementary information        
Cash and cash equivalents 62 122    
Statement of profit or loss        
Sales revenue 555 572    
Costs (58) (28)    
Other operating expenses, net (147)      
Financial (expenses) income (42) (91)    
Income tax (78) (92)    
Financial year results 346 361    
Other comprehensive results 0 0    
Depreciation and amortization 1 1    
Transmissora Aliana de Energia Eltrica        
Statement of financial position        
Current assets 1,856 1,649    
Non-current assets 12,062 11,582    
Total assets 13,918 13,231    
Current liabilities 1,224 1,412    
Non-current liabilities 7,498 6,876    
Total liabilities 8,722 8,288    
Net equity 5,196 4,943    
Other complementary information        
Cash and cash equivalents 0 4    
Statement of profit or loss        
Sales revenue 1,804 1,758    
Costs (412) (261)    
Other operating expenses, net 165 (168)    
Financial (expenses) income (348) 82    
Income tax 35 (70)    
Financial year results 1,244 1,341    
Other comprehensive results 0 10    
Depreciation and amortization 5 43    
Equion Energa Limited        
Statement of financial position        
Current assets 66 105    
Non-current assets 1,387 1,563    
Total assets 1,453 1,668    
Current liabilities 39 42    
Non-current liabilities 24 29    
Total liabilities 63 71    
Net equity 1,390 1,597    
Other complementary information        
Cash and cash equivalents 12 25    
Statement of profit or loss        
Costs (30) (23)    
Other operating expenses, net   1    
Financial (expenses) income 81 95    
Income tax (19) (23)    
Financial year results 32 50    
Other comprehensive results $ 1,711 $ 1,014