v3.26.1
FINANCIAL OBLIGATIONS - Reconciliation of movements of liabilities to cash flows arising from financing activities (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period $ 62,804,339 $ 58,812,193 $ 62,887,204
Cash flows from financing activities:      
Dividends paid to shareholders (625,826) (728,181) (766,537)
Dividends paid to non-controlling interest (662,266) (667,330) (915,933)
Issuance of debt securities 528,863 2,224,164 1,111,819
Payment of outstanding debt securities (1,513,644) (1,725,323) (3,934,469)
Payment of obligations under financial lease (429,493) (409,118) (384,499)
Equity transaction (6) (55,000)  
Discontinued operation 37,780 (2,223) 1,352,734
Net cash used in financing activities (2,664,592) (1,363,011) (3,536,885)
Liabilities - related to other changes:      
Accrued interest 1,839,135 2,077,081 2,422,386
Interest paid (1,909,922) (2,004,790) (2,373,782)
Discontinued operation (1,323,757)    
Effects of changes in foreign exchange rates (2,627,429) 2,343,154 (3,698,046)
Other changes 570,715 283,548 1,025,316
Total liabilities related to other changes (3,451,258) 2,698,993 (2,624,126)
Total equity related to other changes 3,018,712 2,656,164 2,086,000
Balance at end of period 59,707,201 62,804,339 58,812,193
Issued capital [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 23,744 23,744 23,744
Liabilities - related to other changes:      
Balance at end of period 23,744 23,744 23,744
Additional paid-in capital [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 9,508,062 9,571,374 9,571,374
Cash flows from financing activities:      
Equity transaction 870 (4,904)  
Net cash used in financing activities 870 (4,904)  
Liabilities - related to other changes:      
Other changes   (58,408)  
Total liabilities related to other changes   (58,408)  
Total equity related to other changes (5,975)    
Balance at end of period 9,502,957 9,508,062 9,571,374
Retained earnings [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 8,163,434 7,731,773 8,018,417
Liabilities - related to other changes:      
Dividends declared (655,320) (569,843) (1,025,718)
Other changes     42,850
Total liabilities related to other changes (655,320) (569,843) (982,868)
Total equity related to other changes 1,733,243 1,001,504 696,224
Balance at end of period 9,241,357 8,163,434 7,731,773
Non-controlling interests [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 15,711,661 14,737,744 14,354,689
Cash flows from financing activities:      
Equity transaction (876) (50,096)  
Net cash used in financing activities (876) (50,096)  
Liabilities - related to other changes:      
Dividends declared (689,168) (618,579) (1,014,789)
Other changes 6,653 9,755 8,068
Total liabilities related to other changes (682,515) (608,824) (1,006,721)
Total equity related to other changes 1,268,666 1,632,837 1,389,776
Balance at end of period 16,296,936 15,711,661 14,737,744
Dividends Payable [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 315,324 527,984 220,815
Cash flows from financing activities:      
Dividends paid to shareholders (625,826) (728,181) (766,537)
Dividends paid to non-controlling interest (662,266) (667,330) (915,933)
Net cash used in financing activities (1,288,092) (1,395,511) (1,682,470)
Liabilities - related to other changes:      
Dividends declared 1,344,488 1,188,422 2,040,507
Other changes (39,721) (27,394) (50,868)
Total liabilities related to other changes 1,304,767 1,161,028 1,989,639
Total equity related to other changes 22,778 21,823  
Balance at end of period 354,777 315,324 527,984
Bonds issued [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 26,215,847 23,427,826 28,362,221
Cash flows from financing activities:      
Issuance of debt securities 528,863 2,224,164 1,111,819
Payment of outstanding debt securities (1,513,644) (1,725,323) (3,934,469)
Discontinued operation 46,577 5,299 1,359,902
Net cash used in financing activities (938,204) 504,140 (1,462,748)
Liabilities - related to other changes:      
Accrued interest 1,598,510 1,831,715 2,212,345
Interest paid (1,669,331) (1,764,802) (2,171,231)
Discontinued operation (1,294,172)    
Effects of changes in foreign exchange rates (2,476,554) 2,200,477 (3,525,280)
Other changes 20,890 16,491 12,519
Total liabilities related to other changes (3,820,657) 2,283,881 (3,471,647)
Balance at end of period 21,456,986 26,215,847 23,427,826
Lease liabilities [member]      
Disclosure of detailed information about borrowings [line items]      
Balance at beginning of period 2,866,267 2,791,748 2,335,944
Cash flows from financing activities:      
Payment of obligations under financial lease (429,493) (409,118) (384,499)
Discontinued operation (8,797) (7,522) (7,168)
Net cash used in financing activities (438,290) (416,640) (391,667)
Liabilities - related to other changes:      
Accrued interest 240,625 245,366 210,041
Interest paid (240,591) (239,988) (202,551)
Discontinued operation (29,585)    
Effects of changes in foreign exchange rates (150,875) 142,677 (172,766)
Other changes 582,893 343,104 1,012,747
Total liabilities related to other changes 402,467 491,159 847,471
Balance at end of period $ 2,830,444 $ 2,866,267 $ 2,791,748