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CONCESSION ARRANGEMENTS RIGHTS - Intangible assets in concession arrangements - Tabular disclosure (Details) - COP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | $ 2,040,158 | $ 1,886,042 | $ 1,623,670
Additions | 682,696 | 599,678 | 482,528
Amortization of the year | (277,022) | (257,917) | (237,628)
Impairment charge |  |  | 3,000
Effect of movements in exchange rates | (35,407) | 31,564 | 22,874
Ending Balance | 2,382,427 | 2,040,158 | 1,886,042
Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 13,242,706 | 11,098,116 | 9,187,564
Ending Balance | 13,557,267 | 13,242,706 | 11,098,116
Gas and Energy Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 5,891,841 | 4,831,161 | 3,831,577
Ending Balance | 5,524,828 | 5,891,841 | 4,831,161
Infrastructure Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 7,350,865 | 6,266,955 | 5,355,987
Ending Balance | 8,032,439 | 7,350,865 | 6,266,955
Gross carrying amount [member] | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 14,760,176 | 12,311,890 | 10,150,745
Additions | 1,302,943 | 1,912,368 | 1,904,711
Reclassification to / from PPE | 4,270 | 113 | 20,301
Transfer to non-current assets held for sale |  |  | 2,516
Withdrawals | (6,489) | (11,724) | (5,104)
Effect of movements in exchange rates | (712,856) | 547,529 | 238,721
Cost / (Amortization) / (Impairment loss) | 587,868 | 2,448,286 | 2,161,145
Ending Balance | 15,348,044 | 14,760,176 | 12,311,890
Gross carrying amount [member] | Gas and Energy Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 7,238,835 | 5,893,832 | 4,654,890
Additions | 588,454 | 809,085 | 982,508
Reclassification to / from PPE | 229 | 113 | 20,301
Transfer to non-current assets held for sale |  |  | 2,516
Withdrawals | (6,489) | (11,724) | (5,104)
Effect of movements in exchange rates | (712,856) | 547,529 | 238,721
Cost / (Amortization) / (Impairment loss) | (130,662) | 1,345,003 | 1,238,942
Ending Balance | 7,108,173 | 7,238,835 | 5,893,832
Gross carrying amount [member] | Infrastructure Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | 7,521,341 | 6,418,058 | 5,495,855
Additions | 714,489 | 1,103,283 | 922,203
Reclassification to / from PPE | 4,041 |  |
Cost / (Amortization) / (Impairment loss) | 718,530 | 1,103,283 | 922,203
Ending Balance | 8,239,871 | 7,521,341 | 6,418,058
Accumulated depreciation and amortisation [member] | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (1,505,046) | (1,202,372) | (957,943)
Reclassification to / from PPE | (2,184) |  | (45)
Amortization of the year | (317,087) | (272,708) | (232,815)
Withdrawals | 289 | 835 | 1,236
Effect of movements in exchange rates | 41,062 | (30,801) | (12,895)
Cost / (Amortization) / (Impairment loss) | (277,920) | (302,674) | (244,429)
Ending Balance | (1,782,966) | (1,505,046) | (1,202,372)
Accumulated depreciation and amortisation [member] | Gas and Energy Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (1,339,183) | (1,055,525) | (821,017)
Reclassification to / from PPE |  |  | (45)
Amortization of the year | (277,702) | (253,692) | (222,894)
Withdrawals | 289 | 835 | 1,236
Effect of movements in exchange rates | 41,062 | (30,801) | (12,895)
Cost / (Amortization) / (Impairment loss) | (236,351) | (283,658) | (234,508)
Ending Balance | (1,575,534) | (1,339,183) | (1,055,525)
Accumulated depreciation and amortisation [member] | Infrastructure Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (165,863) | (146,847) | (136,926)
Reclassification to / from PPE | (2,184) |  |
Amortization of the year | (39,385) | (19,016) | (9,921)
Cost / (Amortization) / (Impairment loss) | (41,569) | (19,016) | (9,921)
Ending Balance | (207,432) | (165,863) | (146,847)
Accumulated impairment [member] | Service concession arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (12,424) | (11,402) | (5,238)
Impairment charge | 4,613 | (1,022) | (6,164)
Cost / (Amortization) / (Impairment loss) | 4,613 | (1,022) | (6,164)
Ending Balance | (7,811) | (12,424) | (11,402)
Accumulated impairment [member] | Gas and Energy Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (7,811) | (7,146) | (2,296)
Impairment charge |  | (665) | (4,850)
Cost / (Amortization) / (Impairment loss) |  | (665) | (4,850)
Ending Balance | (7,811) | (7,811) | (7,146)
Accumulated impairment [member] | Infrastructure Concession Arrangement [member] |  |  |
Disclosure of detailed information about service concession arrangements [line items] |  |  |
Beginning Balance | (4,613) | (4,256) | (2,942)
Impairment charge | 4,613 | (357) | (1,314)
Cost / (Amortization) / (Impairment loss) | $ 4,613 | (357) | (1,314)
Ending Balance |  | $ (4,613) | $ (4,256)

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