Name:	dei_ParentEntityLegalName
Namespace Prefix:	dei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Bonds maturity date.

No definition available.

Name:	enic_BondsMaturityDate
Namespace Prefix:	enic_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Description of type other equity instruments granted.

No definition available.

Name:	enic_DescriptionOfTypeOtherEquityInstrumentsGranted
Namespace Prefix:	enic_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name of guarantor.

No definition available.

Name:	enic_NameOfGuarantor
Namespace Prefix:	enic_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Type of guarantee.

No definition available.

Name:	enic_TypeOfGuarantee
Namespace Prefix:	enic_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The description of the nature of the related party relationships. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2020-01-01
-Paragraph 18
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2020-en-r&anchor=para_18&doctype=Standard
-URIDate 2020-01-01

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Balance Type:	na
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

Name:	ifrs-full_DisclosureOfOtherProvisionsLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of the exposure to credit risk on loan commitments and financial guarantee contracts. [Refer: Loan commitments [member]; Financial guarantee contracts [member]; Credit risk [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 35H
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35H&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 35I
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35I&doctype=Standard
-URIDate 2020-01-01

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 35M
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35M&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis=enic_IndirectGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_TypesOfContractsAxis=enic_BondsSeriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=enic_BondholdersOfEnelAmericasBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfContractsAxis=enic_CreditAgreementOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=enic_ScotiabankChileMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=enic_Pto.GdnBidMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_TypesOfContractsAxis=enic_CreditAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: