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Related parties - Additional Information (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Related parties    
Remuneration fees to board of directors $ 4,983 $ 3,582
Payment of key management personnel compensation $ 35,906 $ 27,359
Ownership interest held by government 88.49%