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Provisions for employee benefits - Additional Information (Details) - COP ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Provisions for employees' benefits
Assets of benefit plan	$ 11,712,499	$ 12,011,267
Fair value level 1
Provisions for employees' benefits
Percentage of plan assets	57.90%	55.70%
Fair value level 2
Provisions for employees' benefits
Percentage of plan assets	42.10%	44.30%

X

- Definition

The percentage of plan assets in total assets.

+ References

No definition available.

+ Details

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X

- Definition

The amount of assets held by retirement benefit plans. [Refer: Defined benefit plans [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 26
-IssueDate 2023-01-01
-Paragraph 35
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2023-en-r&anchor=para_35_a_i&doctype=Standard
-URIDate 2023-03-23

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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