Name:	cel_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAbstract
Namespace Prefix:	cel_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount recognised as of the acquisition date for brand related intangible assets acquired in a business combination.

No definition available.

Name:	cel_BrandRelatedIntangibleAssetsRecognisedAsOfAcquisitionDate
Namespace Prefix:	cel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for current investments and deposits acquired in a business combination.

No definition available.

Name:	cel_CurrentInvestmentsAndDepositsRecognisedAsOfAcquisitionDate
Namespace Prefix:	cel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Loan from Cellcom.

No definition available.

Name:	cel_LoanFromCellcomRecognisedAsOfAcquisitionDate
Namespace Prefix:	cel_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Provisions.

No definition available.

Name:	cel_ProvisionsRecognisedAsOfAcquisitionDate
Namespace Prefix:	cel_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount recognised as of the acquisition date for right of use assets acquired in a business combination.

No definition available.

Name:	cel_RightOfUseAssetsRecognisedAsOfAcquisitionDate
Namespace Prefix:	cel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
-Paragraph B64
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B
-URIDate 2020-01-01

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

The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Business combinations [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
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-URIDate 2020-01-01

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for customer-related intangible assets acquired in a business combination. [Refer: Customer-related intangible assets [member]; Business combinations [member]]

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for deferred tax liabilities assumed in a business combination. [Refer: Deferred tax liabilities; Business combinations [member]]

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

The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
-Paragraph B64
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/exampleRef
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-URIDate 2020-01-01

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The gross contractual amounts receivable for receivables acquired in business combinations. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
-Paragraph B64
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-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_h_ii&doctype=Appendix&subtype=B
-URIDate 2020-01-01

Name:	ifrs-full_GrossContractualAmountsReceivableForAcquiredReceivables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
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-URIDate 2020-01-01

Name:	ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for non-current liabilities assumed in a business combination. [Refer: Business combinations [member]]

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

The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Business combinations [member]]

Name:	ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount recognised as of the acquisition date for trade and other payables assumed in a business combination. [Refer: Trade and other payables; Business combinations [member]]