The applicable tax rate for fixed assets.

No definition available.

Name:	ec_ApplicableTaxRateForFixedAssets
Namespace Prefix:	ec_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The applicable income tax rate before update.

+ References

No definition available.

+ Details

Name:	ec_ApplicableTaxRateOld
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Ratio of capital to debt.

+ References

No definition available.

+ Details

Name:	ec_CaptialDebtRatio
Namespace Prefix:	ec_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of audit benefit terms.

+ References

No definition available.

+ Details

Name:	ec_DescriptionOfAuditBenefitTerms
Namespace Prefix:	ec_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ec_DisclosureOfDetailedInformationAboutIncomeTaxLineItems
Namespace Prefix:	ec_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of tax rate at free zones.

+ References

No definition available.

+ Details

Name:	ec_FreeZoneTaxRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of deduction rate on industry and commerce tax.

+ References

No definition available.

+ Details

Name:	ec_IndustryAndCommerceTaxDeductionRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of maximum deduction rate allowed per year of ordinary liquid income before deducting the special deductions.

+ References

No definition available.

+ Details

Name:	ec_MaximumDeductionRatePerYearOfOrdinaryLiquidIncome
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the maximum percentage of value added tax (VAT) withholding rate.

+ References

No definition available.

+ Details

Name:	ec_MaximumPercentageOfValueAddedTaxWithholdingRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of minimum tax rate and will be the result of dividing the adjusted tax on the debugged net profit.

+ References

No definition available.

+ Details

Name:	ec_MinimumTaxRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum tax rate for foreign legal entities without residence in the country and Special Economic and Social Zones.

+ References

No definition available.

+ Details

Name:	ec_MinimumTaxRateForForeignLegalEntitiesWithoutResidenceInCountryAndEconomicAndSocialZones
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum tax rate for publishing companies with the exclusive corporate purpose of publishing books, industrial and mixed economy companies in the Government.

+ References

No definition available.

+ Details

Name:	ec_MinimumTaxRateForPublishingCompaniesWithExclusiveCorporatePurposeOfPublishingBooksIndustrialAndMixedEconomyCompaniesInGovernment
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum tax rate for ZOMAC and income from hotel services.

+ References

No definition available.

+ Details

Name:	ec_MinimumTaxRateForZomacAndIncomeFromHotelServices
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of industry and commerce tax discount.

+ References

No definition available.

+ Details

Name:	ec_PercentageOfIndustryAndCommerceTaxDiscount
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of right to discount of value invested in specified tax projects provide by National Council of Tax Benefits in Science and Technology.

+ References

No definition available.

+ Details

Name:	ec_PercentageOfRightToDiscountOfValueInvestedInTaxProjects
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of presumptive income tax.

+ References

No definition available.

+ Details

Name:	ec_PresumtiveIncomeTax
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of value added tax rate.

+ References

No definition available.

+ Details

Name:	ec_ValueAddedTaxRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Withholding dividend tax rate

+ References

No definition available.

+ Details

Name:	ec_WithholdingDividendTaxRate
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of dividend tax rate as withholding tax on income

+ References

No definition available.

+ Details

Name:	ec_WithholdingDividendTaxRateOnIncome
Namespace Prefix:	ec_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ec_IncomeTaxTypeAxis=ec_DividendTaxRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ec_FinancialYearAxis=ec_TwoThousandTwentyTwoAfterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=ec_ColombiaCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=ec_EcopetrolGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Taxes - Other taxes (Details)		12 Months Ended
Taxes - Other taxes (Details)	Jan. 01, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 13, 2022
Disclosure of detailed information about income tax [Line Items]
Nominal income rate		35.00%	35.00%	31.00%
Capital debt ratio		3
Applicable Tax Rate For Fixed Assets	35
Presumptive income tax				0.00%
Percentage Of Industry And Commerce Tax Discount			100.00%
Maximum Percentage of Value-Added Tax Withholding Rate		50.00%
Value Added Tax Rate		19.00%			20.00%
Description of audit benefit terms		Audit benefit: For the fiscal years 2022 and 2023, this Law reduces the time in which the tax authorities can audit an income tax return, from 5 years to between 6 to 12 months, depending on whether the net income tax increased to 35% or 25% with respect to that income tax return in the last fiscal year.
Free zone tax rate		20.00%
Income tax rate for future years in free zones		15.00%
Percentage of income tax rate for foreign legal entities			0.00%
Percentage of ZOMAC and income from hotel service			15.00%
Percentage of minimum tax rate for publishing companies			9.00%
Percentage of right to discount			30.00%
Maximum deduction rate per year					3.00%
Industry and Commerce Tax Deduction Rate		100.00%
Percentage of dividend tax rate as withholding tax on income					10.00%
Dividend Tax Rate
Disclosure of detailed information about income tax [Line Items]
Withholding Dividend Tax Rate		10.00%
2022
Disclosure of detailed information about income tax [Line Items]
Applicable income tax rate before update			30.00%
2022 \| Dividend Tax Rate
Disclosure of detailed information about income tax [Line Items]
Withholding Dividend Tax Rate			10.00%
Nominal income rate		35.00%
Colombia
Disclosure of detailed information about income tax [Line Items]
Presumptive income tax	50.00%
Ecopetrol Group
Disclosure of detailed information about income tax [Line Items]
Nominal income rate		35.00%	35.00%
Ecopetrol Group \| Colombia
Disclosure of detailed information about income tax [Line Items]
Income tax rate for future years in free zones		15.00%