XML 133 R122.htm IDEA: XBRL DOCUMENT
v3.26.1

long-term debt - TELUS Corporation credit facilities (Details) $ in Millions, $ in Billions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2026 CAD ($) item | Jun. 30, 2026 USD ($) item | Dec. 31, 2025 CAD ($) | Dec. 31, 2025 USD ($) | Jun. 30, 2025 CAD ($)
TELUS Corporation credit facilities |  |  |  |  |
Long-term debt | $ 30,231 |  | $ 30,539 |  | $ 32,194
TELUS Corporation credit facilities |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Number of financial ratio tests | item | 2 | 2 |  |  |
Letters of credit outstanding | $ 61 |  | 67 |  |
TELUS Corporation credit facilities | Maximum |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Leverage ratio | 4.25 |  |  |  |
TELUS Corporation credit facilities | Minimum |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Operating cash flow to interest expense ratio | 2 |  |  |  |
TELUS Corporation unsecured revolving credit facility |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Unsecured non-revolving bank credit facility | $ 650 |  |  |  |
Net available | 657 |  | 1,798 |  |
Long-term debt | 2,093 |  | 952 |  |
Gross available revolving credit facility | 2,750 |  | $ 2,750 |  |
TELUS Corporation commercial paper |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Effective average interest rate |  |  | 4.40% | 4.40% |
Long-term debt | 2,100 | $ 1.5 | $ 1,000 | $ 0.7 |
Gross available revolving credit facility | $ 2,100 |  |  |  |
TELUS Corporation commercial paper | Maximum |  |  |  |  |
TELUS Corporation credit facilities |  |  |  |  |
Gross available revolving credit facility |  | $ 1.5 |  |  |

X
- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 50 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_a&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_UndrawnBorrowingFacilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective average interest rate on borrowings. + References No definition available. + Details
Name: | tu_BorrowingsEffectiveWeightedAverageInterestRate
Namespace Prefix: | tu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | tu_IfrsLettersOfCreditOutstandingAmount
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Non-revolving maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | tu_LineOfCreditFacilityNonRevolvingMaximumBorrowingCapacity
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total long-term borrowings, including the current and non-current portion. + References No definition available. + Details
Name: | tu_LongTermBorrowingsCurrentAndNonCurrent
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the number of financial ratio tests defined in the agreement. + References No definition available. + Details
Name: | tu_NumberOfFinancialRatioTests
Namespace Prefix: | tu_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Leverage ratio percentage, calculated by dividing net debt by operating cash flow. + References No definition available. + Details
Name: | tu_RatioOfNetDebtToOperatingCashFlow
Namespace Prefix: | tu_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio of operating cash flow divided by interest expense. + References No definition available. + Details
Name: | tu_RatioOfOperatingCashFlowToInterestExpense
Namespace Prefix: | tu_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pertains to the TELUS Corporation unsecured revolving bank credit facility. + References No definition available. + Details
Name: | tu_TELUSCorporationCreditFacilityAbstract
Namespace Prefix: | tu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=tu_TelusCorporationCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=tu_TelusCorporationUnsecuredRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=tu_TelusCorporationCommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |