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HEDGE ACCOUNTING - Fair value hedges (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 COP ($) | Dec. 31, 2022 COP ($)
Disclosure of detailed information about hedging instruments [line items] |  |
Assets | $ 48,662 | $ 20,854
Liabilities | 217,566 | 3,568
Change in fair value | 79,980 | 154
Banco de Bogota S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Change in fair value | 79,864 | (14)
Banco de Occidente S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Change in fair value | $ 116 |
Multi Financial Holding |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Change in fair value |  | $ 168
Securities issued or secured by Government and Corporate issuers [member] | Multi Financial Holding |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount |  | 98,609
Assets |  | $ 969
Time deposits [member] | Banco de Bogota S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount | 6,539,684 | 235,000
Liabilities | $ 40,289 | $ 1,242
Time deposits [member] | Banco de Occidente S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount | 435,000 |
Liabilities | $ 734 |
Interest rate swap contract [member] | Banco de Bogota S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount | 6,539,684 | 235,000
Assets | $ 47,975 | $ 1,228
Liabilities | $ 10,871 |
Interest rate swap contract [member] | Banco de Occidente S.A. |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount | 435,000 |
Assets | $ 850 |
Interest rate swap contract [member] | Multi Financial Holding |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional amount |  | 98,609
Assets |  | $ 107
Liabilities |  | $ 786

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- Definition The gain (loss) on the change in fair value of the hedging instrument used as a basis for recognising hedge ineffectiveness. Hedge ineffectiveness is the extent to which the changes in the fair value or the cash flows of the hedging instrument are greater or less than those on the hedged item. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of a hedging instrument, recognised as a liability. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The nominal amount of a hedging instrument. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 23B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_23B_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_d&doctype=Standard -URIDate 2023-03-23 + Details
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