Represents the amount of gross account receivable included in others.

No definition available.

Name:	ec_GrossAccountReceivableClassifiedAsOtherCurrentReceivables
Namespace Prefix:	ec_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of net book value of these accounts receivable after provision.

+ References

No definition available.

+ Details

Name:	ec_NetBookValueAccountsReceivableClassifiedAsOther
Namespace Prefix:	ec_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of provision for expected losses which is included in provision line for expected credit losses.

+ References

No definition available.

+ Details

Name:	ec_ProvisionForExpectedLossesIncludedInProvisionLineForExpectedCreditLosses
Namespace Prefix:	ec_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of securities received during the period from government grants.

+ References

No definition available.

+ Details

Name:	ec_RevenueFromGovernmentGrantsSecurities
Namespace Prefix:	ec_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

The cash inflow from government grants, classified as investing activities. [Refer: Government [member]; Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 20
-IssueDate 2024-01-01
-Paragraph 28
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2024-en-r&anchor=para_28&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of income recognised in relation to government grants. [Refer: Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 20
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RevenueFromGovernmentGrants
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ec_IsaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ec_EcopetrolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ec_IfrsLegalEntityAxis=ec_InterconexionElectricaS.aMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ProductsAndServicesAxis=ec_ForeignConcessionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ec_RefineriaDeCartagenaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ec_ReficarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Trade and other receivables - Additional Information (Details) - COP ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Aug. 31, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Trade and other receivables
Contribution from Ministry of Finance and Public Credit					$ 26,346,530
Payments received in cash				$ 10,369,254
Payments received in TES				10,144,782
Isa
Trade and other receivables
Gross accounts receivable			$ 2,279,637	2,193,633	2,279,637
Provision for expected losses, included in provision line for expected credit losses			407,567	367,593	407,567
Net book value of accounts receivable included in others			1,872,070	1,826,040	1,872,070
Ecopetrol
Trade and other receivables
Contribution from Ministry of Finance and Public Credit				16,449,821	2,876,149
Payments received in cash				6,305,038
Payments received in TES				10,144,782
Ecopetrol \| Interconexion Electrica S.A
Trade and other receivables
Contribution from Ministry of Finance and Public Credit				20,514,037	4,770,351
Ecopetrol \| Foreign concessions
Trade and other receivables
Contribution from Ministry of Finance and Public Credit		$ 2,876,149	$ 21,576,179
Refineria de Cartagena
Trade and other receivables
Contribution from Ministry of Finance and Public Credit				$ 4,064,216	$ 1,894,202
Reficar
Trade and other receivables
Contribution from Ministry of Finance and Public Credit	$ 1,894,202