XML 82 R71.htm IDEA: XBRL DOCUMENT
v3.26.1

financial instruments - Credit risk (Details) - CAD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Credit risk |  |
Maximum exposure (excluding income tax effects) to credit risk | $ 6,383 | $ 7,783
Cash and temporary investments, net |  |
Credit risk |  |
Maximum exposure (excluding income tax effects) to credit risk | 1,387 | 2,621
Accounts receivable |  |
Credit risk |  |
Maximum exposure (excluding income tax effects) to credit risk | 4,071 | 4,383
Contract assets |  |
Credit risk |  |
Maximum exposure (excluding income tax effects) to credit risk | 696 | 731
Derivative assets |  |
Credit risk |  |
Maximum exposure (excluding income tax effects) to credit risk | $ 229 | $ 48

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_DisclosureOfFinancialAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2025-01-01 -Paragraph 35K -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_MaximumExposureToCreditRisk
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=tu_CashAndTemporaryInvestmentsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_ContractAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |