XML 199 R146.htm IDEA: XBRL DOCUMENT
v3.25.0.1

long-term debt - TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities (Details) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 CAD ($) $ / € item | Dec. 31, 2024 USD ($) item | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 USD ($)
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Undrawn borrowing facilities |  | $ 1,346 |  | $ 1,729 |
Maximum aggregate amount of credit facility |  | $ 2,750 |  | $ 2,750 |
Lease liabilities |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Weighted average interest rate |  | 6.10% | 6.10% |  |
TELUS International (Cda) Inc. credit facility |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Undrawn borrowing facilities |  |  | $ 611 |  | $ 492
Maximum aggregate amount of credit facility |  |  | $ 1,895 |  | 1,955
Number of financial ratio tests | item |  | 2 | 2 |  |
TELUS International (Cda) Inc. credit facility | Minimum |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Operating cash flow to debt service ratio |  | 1.5 |  |  |
TELUS International (Cda) Inc. credit facility | Maximum |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Leverage ratio | 3.25 | 3.75 |  |  |
TELUS International (Cda) Inc. credit facility | Foreign exchange derivative |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Amortizing amount, convertible |  |  | $ 409 |  |
Fixed interest rate |  | 2.60% | 2.60% |  |
Derivative Exchange Rate | $ / € |  | 1.088 |  |  |
Principal face amount: Originally issued |  |  | $ 448 |  |
Revolving component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Undrawn borrowing facilities |  |  | 611 |  | 492
Maximum aggregate amount of credit facility |  |  | $ 800 |  | 800
Weighted average interest rate |  | 6.50% | 6.50% |  |
Term loan component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Maximum aggregate amount of credit facility |  |  | $ 1,095 |  | 1,155
Weighted average interest rate |  | 6.50% | 6.50% |  |
Percentage of principal advance required to be repaid each year of the term of the agreement |  | 5.00% |  |  |
Other |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Fixed interest rate |  | 4.40% | 4.40% |  |
Other lenders | TELUS International (Cda) Inc. credit facility |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | $ 1,192 |  | 1,358
Other lenders | Revolving component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | 175 |  | 286
Other lenders | Term loan component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | 1,017 |  | 1,072
TELUS Corporation | TELUS International (Cda) Inc. credit facility |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | 92 |  | 105
TELUS Corporation | Revolving component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | 14 |  | 22
Maximum aggregate amount of credit facility |  |  | 800 |  |
TELUS Corporation | Term loan component |  |  |  |  |
TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities |  |  |  |  |
Outstanding |  |  | 78 |  | $ 83
Maximum aggregate amount of credit facility |  |  | $ 1,200 |  |
TELUS Corporation, share of lending, as a percent |  | 7.20% |  |  |

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References 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 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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 2024-01-01 -Paragraph 50 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_50_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_UndrawnBorrowingFacilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of debt instruments principal along with its associated interests, convertible in to derivatives or net investment hedges. + References No definition available. + Details
Name: | tu_DebtInstrumentConvertibleAmount
Namespace Prefix: | tu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Exchange rate inherent in a foreign currency derivative converted to Canadian dollars. + References No definition available. + Details
Name: | tu_DerivativeExchangeRate
Namespace Prefix: | tu_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings that are outstanding at the reporting date, excluding unamortized costs. + References No definition available. + Details
Name: | tu_GrossBorrowings
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 The proportionate share of the syndicate credit facility lending that is related to TELUS Corporation, as a percent. + References No definition available. + Details
Name: | tu_LenderSyndicateCreditFacilityShareOfLendingPercentage
Namespace Prefix: | tu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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 Percentage of principal advance to that is required to be repaid each year of the term of the agreement. + References No definition available. + Details
Name: | tu_PercentageOfPrincipalAdvanceToRepayBorrowings
Namespace Prefix: | tu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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 Operating cash flows divided by interest and scheduled principal repayment. + References No definition available. + Details
Name: | tu_RatioOfOperatingCashFlowToDebtServiceRatio
Namespace Prefix: | tu_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pertains to the TELUS International (Cda) Inc. credit facility. + References No definition available. + Details
Name: | tu_TELUSInternationalCdaIncCreditFacilityAbstract
Namespace Prefix: | tu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=tu_TelusInternationalCdaInc.CreditFacilityMember
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_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=tu_ForeignExchangeDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | dei_LegalEntityAxis=tu_LendersInSyndicateOtherThanTelusCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=tu_TelusCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |