v3.26.1
Intangible assets (Details) - COP ($)
$ in Billions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets    
Beginning balance $ 16,413 $ 14,715
Ending balance 14,041 16,413
Licenses and software    
Intangible assets    
Beginning balance 940 698
Ending balance 876 940
Other intangibles    
Intangible assets    
Beginning balance 1,032 714
Ending balance 934 1,032
Concessions and rights    
Intangible assets    
Beginning balance 12,927 11,878
Ending balance 10,734 12,927
Easements    
Intangible assets    
Beginning balance 1,514 1,425
Ending balance 1,497 1,514
Cost    
Intangible assets    
Beginning balance 21,022 17,845
Acquisitions 502 866
Disposals (44) (171)
Foreign currency translation (3,024) 2,067
Transfers/reclassifications 110 415
Ending balance 18,566 21,022
Cost | Licenses and software    
Intangible assets    
Beginning balance 2,125 1,659
Acquisitions 210 530
Disposals (29) (153)
Foreign currency translation (61) 39
Transfers/reclassifications 31 50
Ending balance 2,276 2,125
Cost | Other intangibles    
Intangible assets    
Beginning balance 1,210 970
Acquisitions 2 0
Disposals 0 0
Foreign currency translation (118) (96)
Transfers/reclassifications 0 336
Ending balance 1,090 1,210
Cost | Concessions and rights    
Intangible assets    
Beginning balance 16,025 13,659
Acquisitions 271 322
Disposals (15) (15)
Foreign currency translation (2,768) 2,055
Transfers/reclassifications 38 4
Ending balance 13,551 16,025
Cost | Easements    
Intangible assets    
Beginning balance 1,662 1,557
Acquisitions 23 14
Disposals 0 (3)
Foreign currency translation (77) 69
Transfers/reclassifications 41 25
Ending balance 1,649 1,662
Accumulated amortization    
Intangible assets    
Beginning balance (4,609) (3,130)
Amortization (945) (853)
Impairment (loss) recovery 12 (46)
Disposals 39 78
Foreign currency translation 975 (650)
Transfers/reclassifications 3 (8)
Ending balance (4,525) (4,609)
Accumulated amortization | Licenses and software    
Intangible assets    
Beginning balance (1,185) (961)
Amortization (288) (263)
Impairment (loss) recovery   (3)
Disposals 28 70
Foreign currency translation 42 (25)
Transfers/reclassifications 3 (3)
Ending balance (1,400) (1,185)
Accumulated amortization | Other intangibles    
Intangible assets    
Beginning balance (178) (256)
Amortization (15) (15)
Impairment (loss) recovery 0 0
Disposals 0 0
Foreign currency translation 37 91
Transfers/reclassifications 0 2
Ending balance (156) (178)
Accumulated amortization | Concessions and rights    
Intangible assets    
Beginning balance (3,098) (1,781)
Amortization (634) (568)
Impairment (loss) recovery 12 (43)
Disposals 11 7
Foreign currency translation 892 (713)
Transfers/reclassifications 0 0
Ending balance (2,817) (3,098)
Accumulated amortization | Easements    
Intangible assets    
Beginning balance (148) (132)
Amortization (8) (7)
Impairment (loss) recovery   0
Disposals   1
Foreign currency translation 4 (3)
Transfers/reclassifications 0 (7)
Ending balance $ (152) $ (148)