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CONCESSION ARRANGEMENTS RIGHTS - Intangible assets in concession arrangements - Tabular disclosure (Details) - COP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | $ 2,382,427 | $ 2,040,158 | $ 1,886,042
Additions | 654,850 | 682,696 | 599,678
Amortization of the year | (289,291) | (277,022) | (257,917)
Effect of movements in exchange rates | 20,104 | (35,407) | 31,564
Ending Balance | 2,758,318 | 2,382,427 | 2,040,158
Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 13,557,267 | 13,242,706 | 11,098,116
Ending Balance | 14,314,560 | 13,557,267 | 13,242,706
Energy and Gas concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 5,524,828 | 5,891,841 | 4,831,161
Ending Balance | 6,374,508 | 5,524,828 | 5,891,841
Infrastructure concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 8,032,439 | 7,350,865 | 6,266,955
Ending Balance | 7,940,052 | 8,032,439 | 7,350,865
Cost | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 15,348,044 | 14,760,176 | 12,311,890
Additions | 742,131 | 1,302,943 | 1,912,368
Reclassification to / from PPE | 244 | 4,270 | 113
Transfer to non-current assets held for sale | (33,400) |  |
Withdrawals | (21,794) | (6,489) | (11,724)
Effect of movements in exchange rates | 472,522 | (712,856) | 547,529
Cost / (Amortization) / (Impairment loss) | 1,159,703 | 587,868 | 2,448,286
Ending Balance | 16,507,747 | 15,348,044 | 14,760,176
Cost | Energy and Gas concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 7,108,173 | 7,238,835 | 5,893,832
Additions | 741,423 | 588,454 | 809,085
Reclassification to / from PPE | 244 | 229 | 113
Transfer to non-current assets held for sale | (33,400) |  |
Withdrawals | (21,794) | (6,489) | (11,724)
Effect of movements in exchange rates | 472,522 | (712,856) | 547,529
Cost / (Amortization) / (Impairment loss) | 1,158,995 | (130,662) | 1,345,003
Ending Balance | 8,267,168 | 7,108,173 | 7,238,835
Cost | Infrastructure concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 8,239,871 | 7,521,341 | 6,418,058
Additions | 708 | 714,489 | 1,103,283
Reclassification to / from PPE |  | 4,041 |
Cost / (Amortization) / (Impairment loss) | 708 | 718,530 | 1,103,283
Ending Balance | 8,240,579 | 8,239,871 | 7,521,341
Accumulated Amortisation | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (1,782,966) | (1,505,046) | (1,202,372)
Amortization of the year | (397,046) | (317,087) | (272,708)
Reclassification to / from PPE | 18 | (2,184) |
Transfer to non-current assets held for sale | 26,426 |  |
Withdrawals | 6,997 | 289 | 835
Effect of movements in exchange rates | (37,931) | 41,062 | (30,801)
Cost / (Amortization) / (Impairment loss) | (401,536) | (277,920) | (302,674)
Ending Balance | (2,184,502) | (1,782,966) | (1,505,046)
Accumulated Amortisation | Energy and Gas concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (1,575,534) | (1,339,183) | (1,055,525)
Amortization of the year | (303,951) | (277,702) | (253,692)
Reclassification to / from PPE | 18 |  |
Transfer to non-current assets held for sale | 26,426 |  |
Withdrawals | 6,997 | 289 | 835
Effect of movements in exchange rates | (37,931) | 41,062 | (30,801)
Cost / (Amortization) / (Impairment loss) | (308,441) | (236,351) | (283,658)
Ending Balance | (1,883,975) | (1,575,534) | (1,339,183)
Accumulated Amortisation | Infrastructure concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (207,432) | (165,863) | (146,847)
Amortization of the year | (93,095) | (39,385) | (19,016)
Reclassification to / from PPE |  | (2,184) |
Cost / (Amortization) / (Impairment loss) | (93,095) | (41,569) | (19,016)
Ending Balance | (300,527) | (207,432) | (165,863)
Impairment loss | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (7,811) | (12,424) | (11,402)
Impairment charge | (874) | 4,613 | (1,022)
Cost / (Amortization) / (Impairment loss) | (874) | 4,613 | (1,022)
Ending Balance | (8,685) | (7,811) | (12,424)
Impairment loss | Energy and Gas concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (7,811) | (7,811) | (7,146)
Impairment charge | (874) |  | (665)
Cost / (Amortization) / (Impairment loss) | (874) |  | (665)
Ending Balance | $ (8,685) | (7,811) | (7,811)
Impairment loss | Infrastructure concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance |  | (4,613) | (4,256)
Impairment charge |  | 4,613 | (357)
Cost / (Amortization) / (Impairment loss) |  | $ 4,613 | (357)
Ending Balance |  |  | $ (4,613)

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