The amount of financial loss due to sale and transfer of first set of balances.

No definition available.

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Namespace Prefix:	enic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of nominal value of balances generated.

+ References

No definition available.

+ Details

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Namespace Prefix:	enic_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents retirement plan expense.

+ References

No definition available.

+ Details

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Namespace Prefix:	enic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of sale and transfer of first set of balances.

+ References

No definition available.

+ Details

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Namespace Prefix:	enic_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2020-01-01
-Paragraph 20
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2020-01-01

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2020-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_7&doctype=Standard
-URIDate 2020-01-01

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of related-party commitments made by the entity to do something if a particular event occurs or does not occur in the future, including executory contracts (recognised and unrecognised). [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2020-01-01
-Paragraph 21
-Subparagraph i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2020-en-r&anchor=para_21_i&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=enic_SaleTransactionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=enic_VoluntaryRetirementProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Data Type:	na
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- Details

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Data Type:	na
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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Subsequents events - Additional Information (Details) in Thousands, $ in Millions				1 Months Ended	12 Months Ended
	Apr. 01, 2021 USD ($)	Feb. 08, 2021 USD ($)	Jan. 29, 2021 USD ($)	Jan. 31, 2021 USD ($)	Dec. 31, 2021 CLF ( )
Sale Transaction Agreement [Member] \| Enel Generacion Chile [Member] \| Chile Electricity PEC SpA [Member]
Subsequent events
Total nominal balance				$ 268.0
Sale and transfer of first set of balances			$ 167.1
Financial loss		$ 38.7
Sale Transaction Agreement [Member] \| Enel Green Power Chile [Member] \| Chile Electricity PEC SpA [Member]
Subsequent events
Total nominal balance				$ 21.0
Sale and transfer of first set of balances			$ 12.7
Financial loss		$ 3.1
Voluntary Retirement Program [Member]
Subsequent events
Retirement plan expense \|					17,500,000
April 1, 2021, Enel Finance International N.V. Sustainable Development Goals SDGs Linked US Denominated Revolving Facility Agreement [Member] \| Sustainable Development Goals Revolving Facility Agreement [Member]
Subsequent events
Committed amount	$ 290.0
Margin rate of interest	1.00%
April 1, 2021, Enel Finance International N.V. Sustainable Development Goals SDGs Linked US Denominated Loan Facility Agreement [Member] \| Sustainable Development Goals Loan Facility Agreement [Member]
Subsequent events
Outstanding debt	$ 300.0
Fixed interest rate [member] \| April 1, 2021, Enel Finance International N.V. Sustainable Development Goals SDGs Linked US Denominated Loan Facility Agreement [Member] \| Sustainable Development Goals Loan Facility Agreement [Member]
Subsequent events
Interest rate borrowings	2.50%