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Taxes - Income tax - Additional Information (Details) R$ in Millions		12 Months Ended
	Jan. 01, 2022	Dec. 31, 2023 BRL (R$)	Dec. 31, 2022	Dec. 31, 2021
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		35.00%	35.00%	31.00%
Presumptive income tax				0.00%
Applicable tax rate for fixed assets	35
Description of tax losses carry forward		12 taxable years
Ecopetrol S.A. and Hocol
Disclosure of detailed information about income tax [Line Items]
Applicable tax rate for fixed assets		35
Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		35.00%	35.00%
Ecopetrol Group | Free trade zone
Disclosure of detailed information about income tax [Line Items]
Presumptive income, percentage on beginning equity		15.00%
Free trade zone
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		20.00%
Free zone Legal Stability Agreement (LSA) | Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		15.00%
Brazil | Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		34.00%
Percentage of income tax rate taxable base of liquid profit		34.00%
Legal entities maximum gross income		R$ 78
Percentage of income tax rate based on legal entities gross income		8.00%
Brazil | Ecopetrol Group | Bottom of range
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		12.00%
Brazil | Ecopetrol Group | Top of range
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		32.00%
Chile | Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		27.00%
Peru country | Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		29.50%
Percentage of current income tax rate on taxable income after deducting employee participation		29.50%
Percentage of dividend and other forms of profit distribution income tax rate		5.00%
Percentage of income tax rate of financial expenses deduction				30.00%
Percentage of income tax rate of deduction allowed for low value added services and cost plus margin		5.00%
Peru country | Ecopetrol Group | Bottom of range
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		5.00%
Peru country | Ecopetrol Group | Top of range
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		10.00%
USA | Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate		21.00%
2022 | Colombia
Disclosure of detailed information about income tax [Line Items]
Statutory tax rate			35.00%

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The applicable tax rate for fixed assets.

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Percentage of dividend and other forms of profit distribution income tax rate.

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Percentage of income tax rate based on legal entities gross income.

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Percentage of income tax rate of financial expenses deduction.

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The applicable income tax rate.

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The amount of income from structured entities including recurring and non-recurring fees, interest, dividends, gains or losses on the remeasurement or derecognition of interests in structured entities and gains or losses from the transfer of assets and liabilities to the structured entity. [Refer: Unconsolidated structured entities [member]]

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