XML 171 R118.htm IDEA: XBRL DOCUMENT
v3.25.0.1

employee future benefits - Future benefit payments (Details) - Pension plans $ in Millions | Dec. 31, 2024 CAD ($)
--- | ---
First year |
employee future benefits |
Estimated future benefit payments | $ 499
2 years hence |
employee future benefits |
Estimated future benefit payments | 510
3 years hence |
employee future benefits |
Estimated future benefit payments | 515
4 years hence |
employee future benefits |
Estimated future benefit payments | 521
5 years hence |
employee future benefits |
Estimated future benefit payments | 527
5 years hence to 10 years |
employee future benefits |
Estimated future benefit payments | 2,708
Funded Defined Benefit Pension Plans | First year |
employee future benefits |
Estimated future benefit payments | 478
Funded Defined Benefit Pension Plans | 2 years hence |
employee future benefits |
Estimated future benefit payments | 484
Funded Defined Benefit Pension Plans | 3 years hence |
employee future benefits |
Estimated future benefit payments | 488
Funded Defined Benefit Pension Plans | 4 years hence |
employee future benefits |
Estimated future benefit payments | 493
Funded Defined Benefit Pension Plans | 5 years hence |
employee future benefits |
Estimated future benefit payments | 498
Funded Defined Benefit Pension Plans | 5 years hence to 10 years |
employee future benefits |
Estimated future benefit payments | 2,555
Unfunded Defined Benefit Pension Plans | First year |
employee future benefits |
Estimated future benefit payments | 21
Unfunded Defined Benefit Pension Plans | 2 years hence |
employee future benefits |
Estimated future benefit payments | 26
Unfunded Defined Benefit Pension Plans | 3 years hence |
employee future benefits |
Estimated future benefit payments | 27
Unfunded Defined Benefit Pension Plans | 4 years hence |
employee future benefits |
Estimated future benefit payments | 28
Unfunded Defined Benefit Pension Plans | 5 years hence |
employee future benefits |
Estimated future benefit payments | 29
Unfunded Defined Benefit Pension Plans | 5 years hence to 10 years |
employee future benefits |
Estimated future benefit payments | $ 153

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated amount, at the balance sheet date, of the future benefit payments to be made during the specified period from defined benefit plans + References No definition available. + Details
Name: | tu_EstimatedFutureBenefitPaymentsFromDefinedBenefitPensionPlans
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=tu_FundedDefinedBenefitPensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=tu_UnfundedDefinedBenefitPensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |