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Joint operations - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Joint operations
Investment commitments	$ 805.6	$ 739.9

X

- Definition

Amount of investment commitments.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfJointOperationsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration