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Risk management - Cash flow hedge for future exports (Movement in other comprehensive income) (Details) - COP ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Risk management      
Opening balance $ (2,473,999) $ (945,250) $ (136,473)
Exchange difference 5,194,529 (4,317,263) (1,533,743)
Reclassification to profit or loss (Note 24) 479,779 1,143,287 249,978
Ineffectiveness 25,454 6,625 24,496
Deferred income tax (Note 10) (2,624,019) 1,638,602 450,492
Closing balance $ 601,744 $ (2,473,999) $ (945,250)