The applicable tax rate for fixed assets.

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The description of information regarding tax losses carry forward.

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The presumptive income percentage on the amount of equity on beginning period.

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The percentage of presumptive income tax.

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The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to changes in the tax rate, actuarial calculation, provisions, acquisitions and projected surcharges.

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The applicable income tax rate.

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The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]

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The amount of current tax expense (income) related to Pillar Two income taxes.

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Taxes - Income tax - Additional Information (Details) $ in Billions		12 Months Ended
	Jan. 01, 2022	Dec. 31, 2025 COP ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		35.00%	35.00%	35.00%
Presumptive income tax						0.00%
Effective tax rate		23.40%	39.80%	31.20%
Applicable tax rate for fixed assets	35
Description of tax losses carry forward		12 taxable years
Projected Surcharges		$ (6,124)
Forecast
Disclosure of detailed information about income tax [Line Items]
Pillar Two income taxes		$ 3
Ecopetrol S.A. and Hocol
Disclosure of detailed information about income tax [Line Items]
Applicable tax rate for fixed assets		35
Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		35.00%	35.00%	35.00%
Ecopetrol Group \| Free trade zone
Disclosure of detailed information about income tax [Line Items]
Presumptive income, percentage on beginning equity		20.00%	15.00%
Free trade zone
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		20.00%
Free zone Legal Stability Agreement (LSA) \| Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		15.00%
Brazil \| Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		34.00%
Chile \| Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		27.00%
Peru \| Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		29.50%
USA \| Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		21.00%
Colombia
Disclosure of detailed information about income tax [Line Items]
Presumptive income tax	50.00%
2022 \| Colombia
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate					35.00%