EMPLOYEE BENEFIT PLANS - Economic assumptions used in the determination of the present value of the defined benefit plans (Details) - Y	Dec. 31, 2022	Dec. 31, 2021
Minimum
Disclosure Of Employee Benefit Plans [Line Items]
Actuarial assumption of mortality rates (in years)	25
Maximum
Disclosure Of Employee Benefit Plans [Line Items]
Actuarial assumption of mortality rates (in years)	60
Defined benefit pension plan - Colombia
Disclosure Of Employee Benefit Plans [Line Items]
Discount rate	14.00%	8.00%
Rate of wage increase	9.80%	7.20%
Projected inflation	7.30%	4.70%
Rate of pension increase	7.30%	4.70%
Defined benefit pension plan - Bancolombia Panama
Disclosure Of Employee Benefit Plans [Line Items]
Discount rate	6.50%	2.40%
Rate of wage increase	2.00%	2.00%
Projected inflation	2.00%	1.00%
Defined benefit pension plan - Banistmo
Disclosure Of Employee Benefit Plans [Line Items]
Discount rate	6.90%	3.70%
Expected long-term rate of return on plan assets	0.70%	0.70%
Rate of wage increase	0.00%	2.00%
Defined benefit pension plan - El Salvador
Disclosure Of Employee Benefit Plans [Line Items]
Discount rate	5.80%	2.50%
Rate of wage increase	2.50%	2.00%
Projected inflation	1.50%	1.00%
Defined benefit pension plan - Guatemala
Disclosure Of Employee Benefit Plans [Line Items]
Discount rate	10.20%	6.10%
Rate of wage increase	5.00%	5.00%
Projected inflation	4.00%	4.00%

The percentage of expected rate of return on plan assets used in actuarial assumptions.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 144
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_144&doctype=Standard
-URIDate 2022-03-24

+ Details

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- Definition

The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

+ Details

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- Definition

The expected rate of increases in pension that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

+ Details

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- Definition

The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

+ Details

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- Definition

The mortality rate used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

+ Details

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- Details

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- Details

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