CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Parenthetical)	Dec. 31, 2023
Statement of comprehensive income [abstract]
Percentage of revaluation of Colombian peso against US Dollar	20.54%

The percentage of revaluation of Colombian peso to the US Dollar.

No definition available.

Name:	cib_PercentageOfRevaluationOfColombianPesoToUnitedStatesDollar
Namespace Prefix:	cib_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant