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TRADING ASSETS AND LIABILITIES - Trading derivative liabilities (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of financial liabilities [line items] |  |
Derivative liabilities | $ 1,011,934 | $ 2,154,361
Forward contract [member] |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 688,668 | 1,675,923
Forward contracts, Foreign currency to buy |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 62,051 | 1,543,886
Forward contracts, Foreign currency to sell |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 610,639 | 2,691
Forward contracts, Debt securities to buy |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 15,350 | 589
Forward contracts, Debt securities to sell |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 628 | 128,757
Swap contract [member] |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 274,277 | 390,599
Cross currency swap |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 52,455 | 60,845
Interest rate swap |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 221,822 | 329,754
Futures contract [member] |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities |  | 3,752
Futures Contract, Interest rate to sell |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities |  | 3,752
Option contract [member] |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | 48,989 | 84,087
Options Contracts, Foreign currency to sell |  |
Disclosure of financial liabilities [line items] |  |
Derivative liabilities | $ 48,989 | $ 84,087

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- Definition The amount of derivative financial liabilities held for trading. [Refer: Derivative financial liabilities; Financial liabilities at fair value through profit or loss that meet definition of held for trading] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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