| Derivatives | December 31, 2017 | December 31, 2016 |
| In Millions of COP | ||
| Forwards | ||
| Assets | | |
| Foreign exchange contracts | 11,618,005 | 14,466,226 |
| Equity contracts | 1,010,557 | 696,348 |
| Subtotal Assets | 12,628,562 | 15,162,574 |
| Liabilities | | |
| Foreign exchange contracts | (10,276,967) | (13,637,335) |
| Equity contracts | (1,796,020) | (676,226) |
| Subtotal Liabilities | (12,072,987) | (14,313,561) |
| Total Forwards | 555,575 | 849,013 |
| Swaps | | |
| Assets | | |
| Foreign exchange contracts | 6,188,880 | 6,021,266 |
| Interest rate contracts | 16,315,701 | 15,109,435 |
| Subtotal Assets | 22,504,581 | 21,130,701 |
| Liabilities | | |
| Foreign exchange contracts | (4,163,466) | (3,614,135) |
| Interest rate contracts | (15,850,149) | (13,249,703) |
| Subtotal Liabilities | (20,013,615) | (16,863,838) |
| Total Swaps | 2,490,966 | 4,266,863 |
| Options | | |
| Assets | | |
| Foreign exchange contracts | 697,346 | 1,186,605 |
| Subtotal Assets | 697,346 | 1,186,605 |
| Liabilities | | |
| Foreign exchange contracts | (682,197) | (1,171,719) |
| Subtotal Liabilities | (682,197) | (1,171,719) |
| Total Options | 15,149 | 14,886 |
| Futures | | |
| Assets | | |
| Foreign exchange contracts | 3,772,283 | 3,078,756 |
| Equity contracts | 175,500 | 316,000 |
| Subtotal Assets | 3,947,783 | 3,394,756 |
| Liabilities | | |
| Equity contracts | - | (117,235) |
| Subtotal Liabilities | - | (117,235) |
| Total Futures | 3,947,783 | 3,277,521 |
| Derivative Assets | 39,778,272 | 40,874,636 |
| Derivative Liabilities | (32,768,799) | (32,466,353) |
| Total, net | 7,009,473 | 8,408,283 |