LOANS AND ADVANCES TO CUSTOMERS, NET - Impact of movements in the value of the portfolio and loss allowance by stage (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 COP ($)
12-month expected credit losses \| Stage One
LOANS AND ADVANCES TO CUSTOMERS, NET
Increase (decrease) in exposure to credit risk on loan commitments	$ 51,669,823
Changes in loss allowance for credit losses	420,975
Lifetime expected credit losses \| Stage Two
LOANS AND ADVANCES TO CUSTOMERS, NET
Increase (decrease) in exposure to credit risk on loan commitments	(643,314)
Changes in loss allowance for credit losses	(178,706)
Lifetime expected credit losses \| Stage Two \| Agribusiness
LOANS AND ADVANCES TO CUSTOMERS, NET
Increase (decrease) in exposure to credit risk on loan commitments	(658,486)
Lifetime expected credit losses \| Stage Three
LOANS AND ADVANCES TO CUSTOMERS, NET
Increase (decrease) in exposure to credit risk on loan commitments	(1,426,253)
Changes in loss allowance for credit losses	$ (627,111)

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

No definition available.

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- Definition

The increase (decrease) in the allowance account used to record the impairment of financial assets due to credit losses. [Refer: Financial assets; Allowance account for credit losses of financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 16
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- Definition

The increase (decrease) in exposure to credit risk on loan commitments and financial guarantee contracts. [Refer: Exposure to credit risk on loan commitments and financial guarantee contracts]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
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