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The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2024-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_17&doctype=Standard
-URIDate 2024-03-27

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The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2024-03-27

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The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
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The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 47
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-URIDate 2024-03-27

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

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

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Period Type:	instant

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
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Data Type:	xbrli:decimalItemType
Balance Type:	na
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The amount of reversal of impairment loss recognised in profit or loss for property, plant and equipment including right-of-use assets. [Refer: Reversal of impairment loss recognised in profit or loss; Property, plant and equipment including right-of-use assets]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 73
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2024-03-27

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The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
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-URIDate 2024-03-27

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

The amount of charges for management and administrative services provided to defined benefit plans; the charges for these services were on a cost recovery basis.

No definition available.

Name:	tu_DefinedBenefitPlansManagementAndAdministrativeServiceCharges
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The amount of gain on contributions of real estate to joint ventures.

No definition available.

Name:	tu_GainOnContributionsOfRealEstateToJointVentures
Namespace Prefix:	tu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of liability accounted for restricted share unit and share options awards .

No definition available.

Name:	tu_KeyManagerialPersonnelLiabilitiesAccounted
Namespace Prefix:	tu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The amount of annual cash bonus as a percentage of base salary upon termination without cause.

No definition available.

Name:	tu_KeyManagerialPersonnelSeverancePaymentsAnnualCashBonusPercentage
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Number of months' of base salary, benefits and accrual of pension service in lieu of notice, to be considered for severance payments if an executive's employment is terminated without cause.

No definition available.

Name:	tu_KeyManagerialPersonnelSeverancePaymentsNumberOfMonthsBaseSalaryConsidered
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The notional value of other equity instruments (i.e. other than share options) granted in a share-based payment arrangement.

No definition available.

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Amount of reversal of real estate rationalization-related restructuring impairments of property, plant and equipment

No definition available.

Name:	tu_ReversalOfRealEstateRationalizationRelatedRestructuringImpairmentsOfPropertyPlantAndEquipment
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- References

No definition available.

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Namespace Prefix:	tu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	tu_TransactionsWithRealEstateJointVentureAndAssociate
Namespace Prefix:	tu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value of equity instruments granted during the period at the measurement date.

No definition available.

Name:	tu_WeightedAverageFairValueAtMeasurementDateEquityInstrumentsGranted
Namespace Prefix:	tu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_CounterpartiesAxis=tu_TelusGardenMember
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=tu_KeyManagementPersonnelRestrictedStockUnitsRSUMember
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Data Type:	na
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Name:	ifrs-full_CounterpartiesAxis=tu_TelusSkyMember
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Data Type:	na
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