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CUSTOMER DEPOSITS - Deposits - Tabular disclosure (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of customer deposits [line items] |  |
Checking accounts | $ 24,579,536 | $ 23,809,859
Savings accounts | 79,614,904 | 71,149,883
Other funds on demand | 347,910 | 430,194
Total demand deposits | 104,542,350 | 95,389,936
Fixed term deposit certificates | 96,329,827 | 86,597,460
Total customers deposits | 200,872,177 | 181,987,396
Colombia, Pesos |  |
Disclosure of customer deposits [line items] |  |
Total customers deposits | 168,771,838 | 154,916,985
Foreign currency |  |
Disclosure of customer deposits [line items] |  |
Total customers deposits | $ 32,100,339 | $ 27,070,411

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- Definition The amount of balances in customers' term deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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