DEBT INSTRUMENTS IN ISSUE - Debt instruments in issue by maturity (Details) - COP ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
DEBT INSTRUMENTS IN ISSUE
Amount expected to be settled	$ 11,275,216	$ 14,663,576
No more than twelve months after the reporting period
DEBT INSTRUMENTS IN ISSUE
Amount expected to be settled	1,297,811	3,368,076
More than twelve months after the reporting period
DEBT INSTRUMENTS IN ISSUE
Amount expected to be settled	$ 9,977,405	$ 11,295,500

The amount of contractual undiscounted cash flows in relation to bonds issued. [Refer: Bonds issued]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph IG31A
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph B11D
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B11D&doctype=Appendix&subtype=B
-URIDate 2024-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant