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ANALYSIS OF OPERATING SEGMENTS - Statement of income (Details) - COP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income |  |  |
Interest income | $ 28,181,932 | $ 28,919,404 | $ 19,403,032
Income from commissions and fees | 4,616,144 | 4,356,336 | 3,874,439
Income from sales of goods and services | 11,048,600 | 11,223,556 | 12,141,327
Net trading income | 1,404,404 | (916,049) | 1,559,626
Net income from other financial instruments mandatorily at fair value through profit or loss | 350,919 | 323,685 | 278,751
Share of profit of equity accounted investees, net of tax | 378,396 | 371,397 | 372,777
Dividends | 148,452 | 126,274 | 119,888
Foreign exchange gain (loss), net | (454,818) | 2,253,925 | (1,825,718)
Other income | 818,638 | 999,710 | 484,482
Discontinued operations |  |  | 866,166
Total external income | 46,492,667 | 47,658,238 | 37,274,770
Expenses |  |  |
Interest expense | (20,914,333) | (22,632,430) | (11,664,395)
Net impairment loss on financial assets | (4,185,037) | (4,182,394) | (2,493,148)
Expenses from commissions and fees | (1,032,350) | (1,003,813) | (970,676)
Costs and expenses of sales goods and services | (8,571,245) | (8,005,597) | (7,596,231)
Depreciation and amortization | (712,646) | (670,491) | (645,746)
Personnel expenses | (3,211,591) | (3,055,168) | (2,833,794)
Administrative expenses | (4,473,414) | (4,367,002) | (3,703,599)
Income tax | (946,427) | (1,310,434) | (2,271,404)
Other expenses | (254,147) | (253,793) | (226,644)
Total Expenses | (44,301,190) | (45,481,122) | (32,405,637)
Net income for the year | 2,191,477 | 2,177,116 | 4,869,133
Net gain on sale of debt and equity securities | 150,169 | 108,773 | (134,699)
Gains on the sale of non-current assets held for sale | 23,597 | 48,589 | 10,487
Net gain in asset valuation | 26,999 | 74,886 | 50,463
Other operating income | 617,873 | 767,462 | 558,231
Loss from sale of non-current assets held for sale | (2,160) | (595) | (800)
Other operating expenses | (251,987) | (253,198) | (225,844)
Banking Services |  |  |
Income |  |  |
Interest income | 26,716,061 | 27,293,337 | 18,321,381
Income from commissions and fees | 3,294,723 | 3,243,740 | 2,865,336
Income from sales of goods and services | 100,418 | 107,864 | 88,093
Net trading income | 767,661 | (1,245,312) | 1,207,099
Share of profit of equity accounted investees, net of tax | 55,273 | 41,277 | 41,904
Dividends | 13,026 | 11,252 | 17,696
Foreign exchange gain (loss), net | (109,143) | 1,575,043 | (1,286,774)
Other income | 745,291 | 817,906 | 583,001
Discontinued operations |  |  | 455,908
Total external income | 31,583,310 | 31,845,107 | 22,293,644
Expenses |  |  |
Interest expense | (17,922,353) | (19,260,207) | (9,602,059)
Net impairment loss on financial assets | (4,126,166) | (4,170,048) | (2,447,198)
Expenses from commissions and fees | (947,225) | (910,751) | (767,204)
Costs and expenses of sales goods and services | (490,891) | (443,840) | (487,142)
Depreciation and amortization | (677,760) | (639,717) | (620,298)
Personnel expenses | (2,824,427) | (2,672,717) | (2,493,399)
Administrative expenses | (4,293,897) | (4,185,245) | (3,569,706)
Income tax | 27,428 | 184,941 | (405,748)
Other expenses | (249,405) | (212,354) | (178,160)
Total Expenses | (31,504,696) | (32,309,938) | (20,570,914)
Net income for the year | 1,137,582 | 827,173 | 2,910,450
Merchant Banking |  |  |
Income |  |  |
Interest income | 1,075,774 | 1,149,086 | 723,488
Income from commissions and fees | 146,777 | 134,252 | 127,609
Income from sales of goods and services | 10,865,477 | 11,069,075 | 11,986,518
Net trading income | 379,415 | 34,383 | 388,350
Net income from other financial instruments mandatorily at fair value through profit or loss | 350,919 | 323,685 | 278,751
Share of profit of equity accounted investees, net of tax | 317,598 | 326,328 | 326,448
Dividends | 135,426 | 115,022 | 102,192
Foreign exchange gain (loss), net | (370,942) | 692,134 | (483,627)
Other income | 82,815 | 153,118 | (98,871)
Total external income | 12,983,259 | 13,997,083 | 13,350,858
Expenses |  |  |
Interest expense | (3,064,905) | (3,471,779) | (2,030,256)
Net impairment loss on financial assets | (54,379) | (28,175) | (14,266)
Expenses from commissions and fees | (17,083) | (16,104) | (17,175)
Costs and expenses of sales goods and services | (8,015,947) | (7,498,858) | (7,059,820)
Depreciation and amortization | (15,167) | (14,028) | (11,492)
Personnel expenses | (159,076) | (147,303) | (123,104)
Administrative expenses | (199,286) | (178,885) | (126,670)
Income tax | (668,076) | (1,268,268) | (1,753,733)
Other expenses | (7,682) | (8,459) | (28,251)
Total Expenses | (12,201,601) | (12,631,859) | (11,164,767)
Net income for the year | 865,831 | 1,530,167 | 2,301,398
Pension and Severance Fund Management |  |  |
Income |  |  |
Interest income | 50,185 | 117,076 | 98,302
Income from commissions and fees | 1,174,644 | 978,344 | 881,494
Income from sales of goods and services | 82,705 | 46,617 | 66,716
Net trading income | 257,153 | 294,784 | (35,975)
Foreign exchange gain (loss), net | 20,423 | (11,757) | (54,771)
Other income | (10,439) | 28,419 | (738)
Total external income | 1,574,671 | 1,453,483 | 955,028
Expenses |  |  |
Interest expense | (6,253) | (56,927) | (63,207)
Net impairment loss on financial assets | (6,725) | 1,965 | (7,782)
Expenses from commissions and fees | (101,226) | (104,773) | (193,124)
Costs and expenses of sales goods and services | (87,090) | (79,794) | (63,049)
Depreciation and amortization | (19,778) | (16,786) | (14,486)
Personnel expenses | (185,876) | (195,469) | (168,450)
Administrative expenses | (269,299) | (259,331) | (195,071)
Income tax | (262,774) | (172,943) | (92,993)
Other expenses | 3,119 | (32,721) | (19,152)
Total Expenses | (935,902) | (916,779) | (817,314)
Net income for the year | 654,119 | 560,209 | 155,194
Holding |  |  |
Income |  |  |
Interest income | 339,912 | 359,905 | 259,861
Net trading income | 175 | 96 | 152
Share of profit of equity accounted investees, net of tax | 5,525 | 3,792 | 4,425
Foreign exchange gain (loss), net | 4,844 | (1,495) | (546)
Other income | 971 | 267 | 1,090
Discontinued operations |  |  | (134,632)
Total external income | 351,427 | 362,565 | 130,350
Expenses |  |  |
Interest expense | (371,581) | (519,869) | (517,383)
Net impairment loss on financial assets | 805 | 12,578 | (23,840)
Expenses from commissions and fees | (465) | (430) | (19,992)
Depreciation and amortization | (1,774) | (1,736) | (1,766)
Personnel expenses | (42,295) | (39,779) | (48,933)
Administrative expenses | (37,046) | (67,494) | (116,899)
Income tax | (42,586) | (56,966) | (18,802)
Other expenses | (152) | 82,111 | (1,185)
Total Expenses | (495,094) | (591,585) | (748,800)
Net income for the year | 1,016,340 | 738,800 | 2,349,674
BAC Holding International Corp |  |  |
Income |  |  |
Discontinued operations |  |  | 544,890
Total external income |  |  | 544,890
Expenses |  |  |
Net income for the year |  |  | 544,890
Operating segments [member] | Banking Services |  |  |
Income |  |  |
Total external income | 32,642,278 | 33,137,111 | 23,481,364
Operating segments [member] | Merchant Banking |  |  |
Income |  |  |
Total external income | 13,067,432 | 14,162,026 | 13,466,165
Operating segments [member] | Pension and Severance Fund Management |  |  |
Income |  |  |
Total external income | 1,590,021 | 1,476,988 | 972,508
Operating segments [member] | Holding |  |  |
Income |  |  |
Total external income | 1,511,434 | 1,330,385 | 3,098,474
Operating segments [member] | BAC Holding International Corp |  |  |
Income |  |  |
Total external income |  |  | 544,890
Elimination of intersegment amounts [member] |  |  |
Income |  |  |
Interest income | (426,804) | (569,696) | (530,837)
Income from commissions and fees | (329,782) | (324,001) | (312,089)
Income from sales of goods and services | (44,774) | (42,541) | (32,401)
Net trading income | (191) | (7,597) | 2,026
Share of profit of equity accounted investees, net of tax | (1,462,402) | (1,473,062) | (2,800,365)
Dividends | (2,944) | (1,902) | (2,174)
Other income | (51,601) | (29,473) | (16,143)
Discontinued operations |  |  | (596,648)
Total external income | (2,318,498) | (2,448,272) | (4,288,631)
Expenses |  |  |
Interest expense | 450,759 | 676,352 | 548,510
Net impairment loss on financial assets | 1,428 | 1,286 | (62)
Expenses from commissions and fees | 33,649 | 28,245 | 26,819
Costs and expenses of sales goods and services | 22,683 | 16,895 | 13,780
Depreciation and amortization | 1,833 | 1,776 | 2,296
Personnel expenses | 83 | 100 | 92
Administrative expenses | 326,114 | 323,953 | 304,747
Income tax | (419) | 2,802 | (128)
Other expenses | (27) | (82,370) | 104
Total Expenses | 836,103 | 969,039 | 896,158
Net income for the year | (1,482,395) | (1,479,233) | (3,392,473)
Elimination of intersegment amounts [member] | Banking Services |  |  |
Income |  |  |
Interest income | 334,354 | 376,228 | 240,317
Income from commissions and fees | 39,095 | 29,127 | 23,981
Income from sales of goods and services | 31,575 | 2,324 | 26,225
Net trading income | 60 | 80 |
Share of profit of equity accounted investees, net of tax | 624,213 | 830,683 | 884,067
Dividends | 698 | 453 | 298
Other income | 28,973 | 53,109 | 12,832
Total external income | 1,058,968 | 1,292,004 | 1,187,720
Elimination of intersegment amounts [member] | Merchant Banking |  |  |
Income |  |  |
Interest income | 54,111 | 158,256 | 110,250
Income from commissions and fees | 4,401 | 1,979 | 1,502
Income from sales of goods and services | 1,929 | 1,844 | 1,603
Net trading income | 765 | 2,202 | (387)
Share of profit of equity accounted investees, net of tax | 504 | (341) | 427
Dividends | 2,246 | 1,449 | 1,876
Other income | 20,217 | (446) | 36
Total external income | 84,173 | 164,943 | 115,307
Elimination of intersegment amounts [member] | Pension and Severance Fund Management |  |  |
Income |  |  |
Interest income | 1,158 | 3,588 | 7,958
Income from commissions and fees | 1,295 | 254 | 3,682
Income from sales of goods and services | 11,270 | 38,373 | 4,573
Net trading income | (634) | 5,315 | (1,639)
Other income | 2,261 | (24,025) | 2,906
Total external income | 15,350 | 23,505 | 17,480
Elimination of intersegment amounts [member] | Holding |  |  |
Income |  |  |
Interest income | 37,181 | 31,624 | 172,312
Income from commissions and fees | 284,991 | 292,641 | 282,924
Share of profit of equity accounted investees, net of tax | 837,685 | 642,720 | 1,915,871
Other income | 150 | 835 | 369
Discontinued operations |  |  | 596,648
Total external income | $ 1,160,007 | $ 967,820 | $ 2,968,124

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