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Goodwill (Details) - COP ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Goodwill    
Goodwill $ 5,145,785 $ 4,846,667
Cost    
Goodwill    
Goodwill 5,442,906 5,143,788
Interconexion Electrica S.A. E.S.P. | Cost    
Goodwill    
Goodwill 3,551,506 3,252,388
Oleoducto Central S.A. | Cost    
Goodwill    
Goodwill 683,496 683,496
Hocol Petroleum Ltd | Cost    
Goodwill    
Goodwill 537,598 537,598
Hocol Petroleum Ltd | Accumulated impairment    
Goodwill    
Goodwill (297,121) (297,121)
Invercolsa S.A. | Cost    
Goodwill    
Goodwill 434,357 434,357
Andean Chemical Limited | Cost    
Goodwill    
Goodwill 127,812 127,812
Esenttia S.A. | Cost    
Goodwill    
Goodwill $ 108,137 $ 108,137