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ESTIMATION OF FAIR VALUE - Transfers between level 1, level 2 and level 3 of the fair value hierarchy (Details) - COP ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2023 | Dec. 31, 2024
Disclosure of fair value measurement of assets [line items] |  |
Transfers out of Level 3 of fair value hierarchy, assets | $ 0 |
Level two to one |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held | 0 |
Level one to two |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held | $ 0 |
Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] | Level one to two |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held |  | $ 99
Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] | Securities issued or secured by Colombian Government | Level one to two |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held |  | 99
Financial assets measured at fair value through other comprehensive income, category [member] | Level one to two |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held |  | 1,318,769
Financial assets measured at fair value through other comprehensive income, category [member] | Securities issued or secured by Colombian Government | Level one to two |  |
Disclosure of fair value measurement of assets [line items] |  |
Debt instruments held |  | $ 1,318,769

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- Definition The amount of instruments representing indebtedness, including instruments called debt securities, held by the entity. + 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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- Definition The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph e -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_e_iv&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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