{ "instance": { "tu-20211231x40f.htm tu-20211231xex994.htm": { "axisCustom": 4, "axisStandard": 50, "contextCount": 1251, "dts": { "calculationLink": { "local": [ "tu-20211231_cal.xml" ] }, "definitionLink": { "local": [ "tu-20211231_def.xml" ] }, "inline": { "local": [ "tu-20211231x40f.htm", "tu-20211231xex994.htm" ] }, "labelLink": { "local": [ "tu-20211231_lab.xml" ] }, "presentationLink": { "local": [ "tu-20211231_pre.xml" ] }, "schema": { "local": [ "tu-20211231.xsd", "reference-2009-12-16.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd", "https://xbrl.sec.gov/country/2021/country-2021.xsd", "https://xbrl.sec.gov/currency/2021/currency-2021.xsd", "https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd" ] } }, "elementCount": 1723, "entityCount": 1, "hidden": { "http://www.telus.com/20211231": 13, "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full": 15, "http://xbrl.sec.gov/dei/2021q4": 6, "total": 34 }, "keyCustom": 377, "keyStandard": 498, "memberCustom": 173, "memberStandard": 94, "nsprefix": "tu", "nsuri": "http://www.telus.com/20211231", "report": { "R1": { "firstAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "tu-20211231x40f.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "00090 - Document - Document and Entity Information", "role": "http://www.telus.com/role/DocumentDocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "div", "div", "body", "html" ], "baseRef": "tu-20211231x40f.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10401 - Disclosure - financial instruments", "role": "http://www.telus.com/role/DisclosureFinancialInstruments", "shortName": "financial instruments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R100": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement", "reportCount": 1, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41403 - Disclosure - share-based compensation - TELUS Corp restricted share units activity (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "shortName": "share-based compensation - TELUS Corp restricted share units activity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusCorporationPerformanceRestrictedStockUnitsWithoutMarketConditionsMember_HhydAu4ULUWhYO75GO2vuQ", "decimals": "INF", "lang": null, "name": "ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" } }, "R101": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement", "reportCount": 1, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41404 - Disclosure - share-based compensation - TELUS International (Cda) Inc. restricted share units (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "shortName": "share-based compensation - TELUS International (Cda) Inc. restricted share units (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusInternationalCdaIncRestrictedStockUnitsUSDollarDenominatedMember_kCGXPEaFq0a6jpTq-OcdpA", "decimals": "INF", "lang": null, "name": "ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" } }, "R102": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfDividendsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:DividendReinvestmentInCommonShares", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41405 - Disclosure - share-based compensation - TELUS Corporation employee share purchase plan (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "shortName": "share-based compensation - TELUS Corporation employee share purchase plan (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_EmployeeSharePurchasePlanMember_6RvDTRbKY0amcVL0Uz_1-g", "decimals": "-6", "lang": null, "name": "tu:DividendReinvestmentInCommonShares", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_IfrsEmployeeStockOptionMember_3-JTOv5K_U2_lx6fond6vA", "decimals": null, "first": true, "lang": "en-US", "name": "tu:VestingLifeOfShareBasedAwards", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41406 - Disclosure - share-based compensation - General options (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "shortName": "share-based compensation - General options (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_IfrsEmployeeStockOptionMember_3-JTOv5K_U2_lx6fond6vA", "decimals": null, "first": true, "lang": "en-US", "name": "tu:VestingLifeOfShareBasedAwards", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R104": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusShareOptionsMember_8DKPVTNnaEeq7VSwapMWKQ", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOutstandingShareOptions", "reportCount": 1, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41407 - Disclosure - share-based compensation - TELUS Corporation share options (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "shortName": "share-based compensation - TELUS Corporation share options (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusShareOptionsMember_aEkOTJgHLECKe_4QMjn1Dg", "decimals": "INF", "lang": null, "name": "ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" } }, "R105": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:WeightedAverageSharePriceShareOptionsGranted2019", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_CAD_shares_851OmdKNGkCnAa7PEK42lg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41408 - Disclosure - share-based compensation - Weighted average assumptions used (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails", "shortName": "share-based compensation - Weighted average assumptions used (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:WeightedAverageSharePriceShareOptionsGranted2019", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_CAD_shares_851OmdKNGkCnAa7PEK42lg", "xsiNil": "false" } }, "R106": { "firstAnchor": { "ancestors": [ "span", "link:footnote", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusInternationalCdaIncShareOptionsMember_z0LPAo6l-UaIzFFiCeqhIw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_USD_shares_-DuAcprBQ0y4-xu7AhAoPA", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41409 - Disclosure - share-based compensation - TELUS International (Cda) Inc. share options (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "shortName": "share-based compensation - TELUS International (Cda) Inc. share options (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "link:footnote", "td", "tr", "table", "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_TelusInternationalCdaIncShareOptionsMember_z0LPAo6l-UaIzFFiCeqhIw", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_USD_shares_-DuAcprBQ0y4-xu7AhAoPA", "xsiNil": "false" } }, "R107": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41501 - Disclosure - employee future benefits - Defined benefit pension plans - summary (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "shortName": "employee future benefits - Defined benefit pension plans - summary (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDefinedBenefitPlanExpenseTableTextBlock", "tu:EmployeeFutureBenefitsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_ifrs-full_NetDefinedBenefitLiabilityAssetAxis_ifrs-full_PresentValueOfDefinedBenefitObligationMember_ll54YWmgVki59PwRsE4f4Q", "decimals": "-6", "lang": null, "name": "ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R108": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_kQawZbUmM0qz2JRsIU2mjQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:PensionBenefitsStandardsRegulations1985CurrentYearInterimSolvencyPosition", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41502 - Disclosure - employee future benefits - Disaggregation of defined benefit pension (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "shortName": "employee future benefits - Disaggregation of defined benefit pension (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_kQawZbUmM0qz2JRsIU2mjQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:PensionBenefitsStandardsRegulations1985CurrentYearInterimSolvencyPosition", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R109": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_tu_TelusCorporationPensionPlanMember_Is2or1koFEWba652gH6FeQ", "decimals": null, "first": true, "lang": "en-US", "name": "tu:PensionableRemunerationPeriodBasis", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41503 - Disclosure - employee future benefits - Pension plans (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "shortName": "employee future benefits - Pension plans (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_tu_TelusCorporationPensionPlanMember_Is2or1koFEWba652gH6FeQ", "decimals": null, "first": true, "lang": "en-US", "name": "tu:PensionableRemunerationPeriodBasis", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10501 - Disclosure - segment information", "role": "http://www.telus.com/role/DisclosureSegmentInformation", "shortName": "segment information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R110": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "INF", "first": true, "lang": null, "name": "tu:NumberDefinedContributionPensionPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_plan_8fL9A8ZQWkedDvjk1N_p5Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41504 - Disclosure - employee future benefits - Defined contribution pension plans (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails", "shortName": "employee future benefits - Defined contribution pension plans (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "INF", "first": true, "lang": null, "name": "tu:NumberDefinedContributionPensionPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_plan_8fL9A8ZQWkedDvjk1N_p5Q", "xsiNil": "false" } }, "R111": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_CujfvrRSyk2zUwupx40f8w", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation2019", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41505 - Disclosure - employee future benefits - Plan investment strategies and policies (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "shortName": "employee future benefits - Plan investment strategies and policies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_CujfvrRSyk2zUwupx40f8w", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation2019", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R112": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:PensionBenefitTrustsAdministeredWithNoProhibitedInvestmentsFairValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41506 - Disclosure - employee future benefits - Fair value measurements (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "shortName": "employee future benefits - Fair value measurements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:PensionBenefitTrustsAdministeredWithNoProhibitedInvestmentsFairValue", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R113": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_LO7VNBx--0OmXBlmSNL7eQ", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:ActuarialAssumptionOfMortalityRates", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41507 - Disclosure - employee future benefits - Assumptions (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "shortName": "employee future benefits - Assumptions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_LO7VNBx--0OmXBlmSNL7eQ", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:ActuarialAssumptionOfMortalityRates", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R114": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_LO7VNBx--0OmXBlmSNL7eQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:DefinedBenefitPlanUndrawnLettersOfCredit", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41508 - Disclosure - employee future benefits - Employer contributions (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "shortName": "employee future benefits - Employer contributions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_LO7VNBx--0OmXBlmSNL7eQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:DefinedBenefitPlanUndrawnLettersOfCredit", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R115": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDefinedBenefitPlanFutureBenefitPaymentsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_ifrs-full_MaturityAxis_ifrs-full_NotLaterThanOneYearMember_CSXTmQoED0K1UJm4TiX6Gw", "decimals": "-6", "first": true, "lang": null, "name": "tu:EstimatedFutureBenefitPaymentsFromDefinedBenefitPensionPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41509 - Disclosure - employee future benefits - Future benefit payments (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "shortName": "employee future benefits - Future benefit payments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDefinedBenefitPlanFutureBenefitPaymentsTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_ifrs-full_MaturityAxis_ifrs-full_NotLaterThanOneYearMember_CSXTmQoED0K1UJm4TiX6Gw", "decimals": "-6", "first": true, "lang": null, "name": "tu:EstimatedFutureBenefitPaymentsFromDefinedBenefitPensionPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R116": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDefinedContributionPensionPlanExpenseTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:PostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41510 - Disclosure - employee future benefits - Defined contribution pension plans expense (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "shortName": "employee future benefits - Defined contribution pension plans expense (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDefinedContributionPensionPlanExpenseTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:PostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R117": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_tu_OtherBenefitPlansMember_eMVW5eMZAkCGyShZfrA5sw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentServiceCostDefinedBenefitPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41511 - Disclosure - employee future benefits - Other defined benefit plans (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "shortName": "employee future benefits - Other defined benefit plans (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_DefinedBenefitPlansAxis_tu_OtherBenefitPlansMember_eMVW5eMZAkCGyShZfrA5sw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentServiceCostDefinedBenefitPlans", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R118": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfRestructuringAndOtherCostsExplanatory", "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:RestructuringCostsGoodsAndServicesPurchased", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41601 - Disclosure - restructuring and other costs (Details)", "role": "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails", "shortName": "restructuring and other costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfRestructuringAndOtherCostsExplanatory", "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:RestructuringCostsGoodsAndServicesPurchased", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R119": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:PropertyPlantAndEquipment", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41701 - Disclosure - property, plant and equipment (Details)", "role": "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "shortName": "property, plant and equipment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "lang": null, "name": "tu:AdditionsInRespectOfAssetRetirementObligations", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10601 - Disclosure - revenue from contracts with customers", "role": "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomers", "shortName": "revenue from contracts with customers", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R120": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory", "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IntangibleAssetsAndGoodwill", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41801 - Disclosure - intangible assets and goodwill (Details)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "shortName": "intangible assets and goodwill (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory", "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "lang": null, "name": "ifrs-full:IntangibleAssetsAndGoodwill", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R121": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_ifrs-full_CustomerrelatedIntangibleAssetsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_Yr28cdI_uUG5RVb4qaXAXQ", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41802 - Disclosure - intangible assets and goodwill - Business acquisitions (Details)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "shortName": "intangible assets and goodwill - Business acquisitions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_ifrs-full_CustomerrelatedIntangibleAssetsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_Yr28cdI_uUG5RVb4qaXAXQ", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R122": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_BusinessCombinationsAxis_tu_BusinessComplimentaryServicesMember_08Bu23w6CkCbi6NVTkbyDQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:BusinessCombinationAdjustmentsForIncreaseDecreaseInOtherCurrentAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41803 - Disclosure - intangible assets and goodwill - Business acquisitions - prior period (Details)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "shortName": "intangible assets and goodwill - Business acquisitions - prior period (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_BusinessCombinationsAxis_tu_BusinessComplimentaryServicesMember_08Bu23w6CkCbi6NVTkbyDQ", "decimals": "-6", "first": true, "lang": null, "name": "tu:BusinessCombinationAdjustmentsForIncreaseDecreaseInOtherCurrentAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R123": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_1_1_2022_ifrs-full_BusinessCombinationsAxis_tu_FullyManagedIncMember_L8iWUzYWy0alhh5Dxq-84Q", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41804 - Disclosure - Intangible assets and goodwill - Business acquisitions - Subsequent to reporting period (Details)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "shortName": "Intangible assets and goodwill - Business acquisitions - Subsequent to reporting period (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_1_1_2022_ifrs-full_BusinessCombinationsAxis_tu_FullyManagedIncMember_L8iWUzYWy0alhh5Dxq-84Q", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R124": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfCarryingValueIndefiniteLivedIntangibleAssetsAndGoodwillTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IntangibleAssetsWithIndefiniteUsefulLife", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41805 - Disclosure - intangible assets and goodwill - Intangible assets with indefinite lives and goodwill - spectrum licences and impairment testing (Details)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "shortName": "intangible assets and goodwill - Intangible assets with indefinite lives and goodwill - spectrum licences and impairment testing (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfCarryingValueIndefiniteLivedIntangibleAssetsAndGoodwillTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IntangibleAssetsWithIndefiniteUsefulLife", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R125": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IncomeFromSubleasingRightofuseAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41901 - Disclosure - leases (Details)", "role": "http://www.telus.com/role/DisclosureLeasesDetails", "shortName": "leases (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IncomeFromSubleasingRightofuseAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R126": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfOtherLongTermAssetsTextBlock", "tu:DisclosureOfOtherLongTermAssetsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NoncurrentRecognisedAssetsDefinedBenefitPlan", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42001 - Disclosure - other long-term assets (Details)", "role": "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails", "shortName": "other long-term assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfOtherLongTermAssetsTextBlock", "tu:DisclosureOfOtherLongTermAssetsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NoncurrentRecognisedAssetsDefinedBenefitPlan", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R127": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfillContractsWithCustomersTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42002 - Disclosure - other long-term assets - Costs incurred to obtain and fulfill contracts with customers (Details)", "role": "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails", "shortName": "other long-term assets - Costs incurred to obtain and fulfill contracts with customers (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfillContractsWithCustomersTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ZN90EPZz50mQIvgWO7Cnvw", "decimals": "-6", "lang": null, "name": "ifrs-full:AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R128": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42101 - Disclosure - real estate joint ventures and investment in associate - Summarized financial information (Details)", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "shortName": "real estate joint ventures and investment in associate - Summarized financial information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_SignificantInvestmentsInAssociatesAxis_tu_MiovisionTechnologiesIncorporatedMember_SXMaJr7lu0u_wyfNdjIYJw", "decimals": "2", "lang": null, "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R129": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "tu:DisclosureOfFinancingCostsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:InterestExpense", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42102 - Disclosure - real estate joint ventures and investment in associate - Net income (loss) and comprehensive income (loss) (Details)", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "shortName": "real estate joint ventures and investment in associate - Net income (loss) and comprehensive income (loss) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfRealEstateJointVenturesFinancialInformationExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_UnconsolidatedStructuredEntitiesAxis_ifrs-full_UnconsolidatedStructuredEntitiesMember_Kq_9LUrSa0GT2eb7wlA_kw", "decimals": "-6", "lang": null, "name": "ifrs-full:RentalIncome", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10701 - Disclosure - other income", "role": "http://www.telus.com/role/DisclosureOtherIncome", "shortName": "other income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R130": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42103 - Disclosure - real estate joint ventures and investment in associate - Investment activity (Details)", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "shortName": "real estate joint ventures and investment in associate - Investment activity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfJointVenturesInvestmentActivityExplanatoryTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_UnconsolidatedStructuredEntitiesAxis_ifrs-full_UnconsolidatedStructuredEntitiesMember_Kq_9LUrSa0GT2eb7wlA_kw", "decimals": "-6", "lang": null, "name": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R131": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrent", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42104 - Disclosure - real estate joint ventures and investment in associate - Commitments and contingent liabilities (Details)", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "shortName": "real estate joint ventures and investment in associate - Commitments and contingent liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_UnconsolidatedStructuredEntitiesAxis_tu_TELUSSkyRealEstateJointVentureMember_2QwL2cgmHEi5-4c3W8Fe8Q", "decimals": "-6", "lang": null, "name": "tu:AmountOfConstructionFinancing", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R132": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ShorttermBorrowings", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42201 - Disclosure - short-term borrowings (Details)", "role": "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "shortName": "short-term borrowings (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "tu:CashProceedsMinimumSalesRequirement", "p", "ifrs-full:DisclosureOfBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_RevolvingPeriodSecuritizationAgreementMember_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_tu_TelusCommunicationIncMember_UY4G906HL02vwSF6aWBwYw", "decimals": "-6", "lang": null, "name": "tu:CashProceedsMinimumSalesRequirement", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R133": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfTradeAndOtherPayables", "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:AccruedLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42301 - Disclosure - accounts payable and accrued liabilities (Details)", "role": "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails", "shortName": "accounts payable and accrued liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfTradeAndOtherPayables", "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:AccruedLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R134": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:TabularDisclosureOfAdvanceBillingsAndCustomerDeposits", "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:AdvanceBilling", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42401 - Disclosure - advance billings and customer deposits (Details)", "role": "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "shortName": "advance billings and customer deposits (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:TabularDisclosureOfAdvanceBillingsAndCustomerDeposits", "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:AdvanceBilling", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R135": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ContractLiabilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42402 - Disclosure - advance billings and customer deposits - Contract liabilities (Details)", "role": "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "shortName": "advance billings and customer deposits - Contract liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ZN90EPZz50mQIvgWO7Cnvw", "decimals": "-6", "lang": null, "name": "ifrs-full:ContractLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R136": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:CurrentContractLiabilitiesBeforeReclassificationIntoOutOfContractAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42403 - Disclosure - advance billings and customer deposits - Reconciliation of contract liabilities (Details)", "role": "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails", "shortName": "advance billings and customer deposits - Reconciliation of contract liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "lang": null, "name": "tu:ReclassificationToContractAssetsForContractsWithContractLiabilitiesLessThanContractAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R137": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfOtherProvisionsExplanatory", "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:OtherProvisions", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42501 - Disclosure - provisions (Details)", "role": "http://www.telus.com/role/DisclosureProvisionsDetails", "shortName": "provisions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfOtherProvisionsExplanatory", "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ZN90EPZz50mQIvgWO7Cnvw", "decimals": "-6", "lang": null, "name": "ifrs-full:OtherProvisions", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R138": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42601 - Disclosure - long-term debt (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtDetails", "shortName": "long-term debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_TelusCorporationNotesMember_OALc5-m7rkO2svfKiEunWQ", "decimals": "-6", "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R139": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrent", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42602 - Disclosure - long-term debt - TELUS Corporation senior notes (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "shortName": "long-term debt - TELUS Corporation senior notes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_TelusCorporationNotesMember_uYkguAgRakGdIYALlvlk6Q", "decimals": "2", "lang": null, "name": "tu:BorrowingsRepurchasePricePercentage", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10801 - Disclosure - employee benefits expense", "role": "http://www.telus.com/role/DisclosureEmployeeBenefitsExpense", "shortName": "employee benefits expense", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R140": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42603 - Disclosure - long-term debt - TELUS Corporation commercial paper (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "shortName": "long-term debt - TELUS Corporation commercial paper (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_TelusCorporationCreditFacilityMember_q7DTCVTEok2qBAUaWnxzyg", "decimals": "-6", "lang": null, "name": "ifrs-full:CurrentPortionOfLongtermBorrowings", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R141": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:UndrawnBorrowingFacilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42604 - Disclosure - long-term debt - TELUS Corporation credit facility (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "shortName": "long-term debt - TELUS Corporation credit facility (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_TelusCorporationCreditFacilityMember_q7DTCVTEok2qBAUaWnxzyg", "decimals": "-6", "lang": null, "name": "tu:IfrsLettersOfCreditOutstandingAmount", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R142": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrent", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42605 - Disclosure - long-term debt - TELUS Communications Inc. debentures (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "shortName": "long-term debt - TELUS Communications Inc. debentures (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutLongTermDebtMaturitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_Series310.65PercentDebenturesMember_2zywh5iix0GWjHtt0dk-1Q", "decimals": "INF", "lang": null, "name": "ifrs-full:BorrowingsInterestRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R143": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42606 - Disclosure - long-term debt - TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "shortName": "long-term debt - TELUS International (Cda) Inc. credit facility, Other and Lease Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_BorrowingsByNameAxis_tu_TelusInternationalCdaInc.CreditFacilityMember_82omi8KFmku9Gnf2Dy6NZw", "decimals": "-6", "lang": null, "name": "tu:IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_USD_iD-9GWEuDUu1Th37v4AK4A", "xsiNil": "false" } }, "R144": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:LeaseLiabilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42607 - Disclosure - long-term debt - Long-term debt maturities (Details)", "role": "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "shortName": "long-term debt - Long-term debt maturities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutLongTermDebtMaturitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_ClassesOfFinancialLiabilitiesAxis_tu_LongTermDebtNetOfDerivativeImpactMember_sZeajfOm-0aJafKKGBihHg", "decimals": "-6", "lang": null, "name": "tu:FutureCashOutflowsLongTermDebtPrincipalRepaymentsIncludingDerivativeLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R145": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory", "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NoncurrentContractLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42701 - Disclosure - other long-term liabilities (Details)", "role": "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails", "shortName": "other long-term liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory", "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NoncurrentContractLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R146": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_3_31_2021_tWNPX88ij06w1pP4vkBSKg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42801 - Disclosure - owners' equity (Details)", "role": "http://www.telus.com/role/DisclosureOwnersEquityDetails", "shortName": "owners' equity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_3_31_2021_tWNPX88ij06w1pP4vkBSKg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" } }, "R147": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_3_31_2021_tWNPX88ij06w1pP4vkBSKg", "decimals": "-8", "first": true, "lang": null, "name": "ifrs-full:ProceedsFromIssuingShares", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42802 - Disclosure - owners' equity - Subsidiary with significant non-controlling interest (Details)", "role": "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "shortName": "owners' equity - Subsidiary with significant non-controlling interest (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_ifrs-full_SubsidiariesWithMaterialNoncontrollingInterestsMember_zcOwF-atGk6u49YcKHppzQ", "decimals": "-6", "lang": null, "name": "ifrs-full:CurrentAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R148": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_ClassesOfContingentLiabilitiesAxis_ifrs-full_ContingentLiabilityForGuaranteesMember_t3rKMobFi0WPsFJzO3ctmw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:EstimatedFinancialEffectOfContingentLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "42901 - Disclosure - contingent liabilities (Details)", "role": "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails", "shortName": "contingent liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_ClassesOfContingentLiabilitiesAxis_ifrs-full_ContingentLiabilityForGuaranteesMember_t3rKMobFi0WPsFJzO3ctmw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:EstimatedFinancialEffectOfContingentLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R149": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:KeyManagerialPersonnelLiabilitiesAccounted", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "43001 - Disclosure - related party transactions (Details)", "role": "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "shortName": "related party transactions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:KeyManagerialPersonnelLiabilitiesAccounted", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfFinancingCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10901 - Disclosure - financing costs", "role": "http://www.telus.com/role/DisclosureFinancingCosts", "shortName": "financing costs", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfFinancingCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R150": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "43101 - Disclosure - additional statement of cash flow information - operating activities and investing activities (Details)", "role": "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails", "shortName": "additional statement of cash flow information - operating activities and investing activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock", "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R151": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutChangesInLiabilitiesArisingFromFinancingActivitiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_tu_DividendsPayableToHoldersOfCommonSharesMember_fj1gvjw8_0m6pYPkapI7Zw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:LiabilitiesArisingFromFinancingActivities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "43102 - Disclosure - additional statement of cash flow information - Financing activities (Details)", "role": "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "shortName": "additional statement of cash flow information - Financing activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutChangesInLiabilitiesArisingFromFinancingActivitiesTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_tu_DividendsPayableToHoldersOfCommonSharesMember_dnYWVhPifUmUAB59kc9j5A", "decimals": "-6", "lang": null, "name": "ifrs-full:LiabilitiesArisingFromFinancingActivities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11001 - Disclosure - income taxes", "role": "http://www.telus.com/role/DisclosureIncomeTaxes", "shortName": "income taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11101 - Disclosure - other comprehensive income", "role": "http://www.telus.com/role/DisclosureOtherComprehensiveIncome", "shortName": "other comprehensive income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11201 - Disclosure - per share amounts", "role": "http://www.telus.com/role/DisclosurePerShareAmounts", "shortName": "per share amounts", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDividendsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11301 - Disclosure - dividends per share", "role": "http://www.telus.com/role/DisclosureDividendsPerShare", "shortName": "dividends per share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDividendsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:RevenueFromRenderingOfTelecommunicationServices", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00100 - Statement - Consolidated statements of income and other comprehensive income", "role": "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome", "shortName": "Consolidated statements of income and other comprehensive income", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:RevenueFromRenderingOfTelecommunicationServices", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11401 - Disclosure - share-based compensation", "role": "http://www.telus.com/role/DisclosureShareBasedCompensation", "shortName": "share-based compensation", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:EmployeeFutureBenefitsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11501 - Disclosure - employee future benefits", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefits", "shortName": "employee future benefits", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:EmployeeFutureBenefitsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11601 - Disclosure - restructuring and other costs", "role": "http://www.telus.com/role/DisclosureRestructuringAndOtherCosts", "shortName": "restructuring and other costs", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11701 - Disclosure - property, plant and equipment", "role": "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "shortName": "property, plant and equipment", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11801 - Disclosure - intangible assets and goodwill", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "shortName": "intangible assets and goodwill", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfLeasesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "11901 - Disclosure - leases", "role": "http://www.telus.com/role/DisclosureLeases", "shortName": "leases", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfLeasesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOtherLongTermAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12001 - Disclosure - other long-term assets", "role": "http://www.telus.com/role/DisclosureOtherLongTermAssets", "shortName": "other long-term assets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOtherLongTermAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12101 - Disclosure - real estate joint ventures and investment in associate", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociate", "shortName": "real estate joint ventures and investment in associate", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12201 - Disclosure - short-term borrowings", "role": "http://www.telus.com/role/DisclosureShortTermBorrowings", "shortName": "short-term borrowings", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12301 - Disclosure - accounts payable and accrued liabilities", "role": "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilities", "shortName": "accounts payable and accrued liabilities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CashAndCashEquivalents", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00200 - Statement - Consolidated statements of financial position", "role": "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition", "shortName": "Consolidated statements of financial position", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "lang": null, "name": "ifrs-full:CurrentTaxAssetsCurrent", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12401 - Disclosure - advance billings and customer deposits", "role": "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits", "shortName": "advance billings and customer deposits", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12501 - Disclosure - provisions", "role": "http://www.telus.com/role/DisclosureProvisions", "shortName": "provisions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfLongTermBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12601 - Disclosure - long-term debt", "role": "http://www.telus.com/role/DisclosureLongTermDebt", "shortName": "long-term debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfLongTermBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12701 - Disclosure - other long-term liabilities", "role": "http://www.telus.com/role/DisclosureOtherLongTermLiabilities", "shortName": "other long-term liabilities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12801 - Disclosure - owners' equity", "role": "http://www.telus.com/role/DisclosureOwnersEquity", "shortName": "owners' equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfContingentLiabilitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "12901 - Disclosure - contingent liabilities", "role": "http://www.telus.com/role/DisclosureContingentLiabilities", "shortName": "contingent liabilities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfContingentLiabilitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "13001 - Disclosure - related party transactions", "role": "http://www.telus.com/role/DisclosureRelatedPartyTransactions", "shortName": "related party transactions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "13101 - Disclosure - additional statement of cash flow information", "role": "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformation", "shortName": "additional statement of cash flow information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "20102 - Disclosure - summary of significant accounting policies (Policies)", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies", "shortName": "summary of significant accounting policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfAccountingPoliciesRequiringSignificantChoiceOrSignificantApplicationOfJudgmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30103 - Disclosure - summary of significant accounting policies (Tables)", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables", "shortName": "summary of significant accounting policies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfAccountingPoliciesRequiringSignificantChoiceOrSignificantApplicationOfJudgmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_IfCKnDXQPE6V5CgpDM3w-w", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NumberOfSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00300 - Statement - Consolidated statements of changes in owners' equity", "role": "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity", "shortName": "Consolidated statements of changes in owners' equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ifrs-full_ComponentsOfEquityAxis_ifrs-full_IssuedCapitalMember_IfCKnDXQPE6V5CgpDM3w-w", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NumberOfSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30303 - Disclosure - capital structure financial policies (Tables)", "role": "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesTables", "shortName": "capital structure financial policies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30403 - Disclosure - financial instruments (Tables)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsTables", "shortName": "financial instruments (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOperatingSegmentsReconciliationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30503 - Disclosure - segment information (Tables)", "role": "http://www.telus.com/role/DisclosureSegmentInformationTables", "shortName": "segment information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfOperatingSegmentsReconciliationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30603 - Disclosure - revenue from contracts with customers (Tables)", "role": "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersTables", "shortName": "revenue from contracts with customers (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfOtherOperatingIncomeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30703 - Disclosure - other income (Tables)", "role": "http://www.telus.com/role/DisclosureOtherIncomeTables", "shortName": "other income (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfOtherOperatingIncomeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30803 - Disclosure - employee benefits expense (Tables)", "role": "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseTables", "shortName": "employee benefits expense (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "tu:DisclosureOfFinancingCostsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "30903 - Disclosure - financing costs (Tables)", "role": "http://www.telus.com/role/DisclosureFinancingCostsTables", "shortName": "financing costs (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:DisclosureOfFinancingCostsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31003 - Disclosure - income taxes (Tables)", "role": "http://www.telus.com/role/DisclosureIncomeTaxesTables", "shortName": "income taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31103 - Disclosure - other comprehensive income (Tables)", "role": "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeTables", "shortName": "other comprehensive income (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:EarningsPerShareExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31203 - Disclosure - per share amounts (Tables)", "role": "http://www.telus.com/role/DisclosurePerShareAmountsTables", "shortName": "per share amounts (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:EarningsPerShareExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ProfitLoss", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "00400 - Statement - Consolidated statements of cash flows", "role": "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows", "shortName": "Consolidated statements of cash flows", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "lang": null, "name": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfDividendsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:IfrsDividendsDeclaredTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31303 - Disclosure - dividends per share (Tables)", "role": "http://www.telus.com/role/DisclosureDividendsPerShareTables", "shortName": "dividends per share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfDividendsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:IfrsDividendsDeclaredTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31403 - Disclosure - share-based compensation (Tables)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "shortName": "share-based compensation (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "tu:EmployeeFutureBenefitsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDefinedBenefitPlanExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31503 - Disclosure - employee future benefits (Tables)", "role": "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables", "shortName": "employee future benefits (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:EmployeeFutureBenefitsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDefinedBenefitPlanExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfRestructuringAndOtherCostsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31603 - Disclosure - restructuring and other costs (Tables)", "role": "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsTables", "shortName": "restructuring and other costs (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:DisclosureOfRestructuringAndOtherCostsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfRestructuringAndOtherCostsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31703 - Disclosure - property, plant and equipment (Tables)", "role": "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "shortName": "property, plant and equipment (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31803 - Disclosure - intangible assets and goodwill (Tables)", "role": "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables", "shortName": "intangible assets and goodwill (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfIntangibleAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "31903 - Disclosure - leases (Tables)", "role": "http://www.telus.com/role/DisclosureLeasesTables", "shortName": "leases (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfLeasesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "tu:DisclosureOfOtherLongTermAssetsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfOtherLongTermAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32003 - Disclosure - other long-term assets (Tables)", "role": "http://www.telus.com/role/DisclosureOtherLongTermAssetsTables", "shortName": "other long-term assets (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:DisclosureOfOtherLongTermAssetsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:ScheduleOfOtherLongTermAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfRealEstateJointVenturesFinancialInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32103 - Disclosure - real estate joint ventures and investment in associate (Tables)", "role": "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateTables", "shortName": "real estate joint ventures and investment in associate (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfRealEstateJointVenturesFinancialInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfTradeAndOtherPayables", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32303 - Disclosure - accounts payable and accrued liabilities (Tables)", "role": "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables", "shortName": "accounts payable and accrued liabilities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfTradeAndOtherPayables", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10001 - Disclosure - notes to consolidated financial statements", "role": "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatements", "shortName": "notes to consolidated financial statements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:TabularDisclosureOfAdvanceBillingsAndCustomerDeposits", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32403 - Disclosure - advance billings and customer deposits (Tables)", "role": "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsTables", "shortName": "advance billings and customer deposits (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:TabularDisclosureOfAdvanceBillingsAndCustomerDeposits", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherProvisionsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32503 - Disclosure - provisions (Tables)", "role": "http://www.telus.com/role/DisclosureProvisionsTables", "shortName": "provisions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherProvisionsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32603 - Disclosure - long-term debt (Tables)", "role": "http://www.telus.com/role/DisclosureLongTermDebtTables", "shortName": "long-term debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32703 - Disclosure - other long-term liabilities (Tables)", "role": "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesTables", "shortName": "other long-term liabilities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "tu:DisclosureOfOtherLongTermLiabilitiesTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "32803 - Disclosure - owners' equity (Tables)", "role": "http://www.telus.com/role/DisclosureOwnersEquityTables", "shortName": "owners' equity (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "33003 - Disclosure - related party transactions (Tables)", "role": "http://www.telus.com/role/DisclosureRelatedPartyTransactionsTables", "shortName": "related party transactions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfRelatedPartyExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "33103 - Disclosure - additional statement of cash flow information (Tables)", "role": "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationTables", "shortName": "additional statement of cash flow information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ifrs-full:DisclosureOfCashFlowStatementExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_tu_TelusCommunicationIncMember_5oX46DGcRUG5tg_Ii0ZqAA", "decimals": "2", "first": true, "lang": null, "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary", "reportCount": 1, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40001 - Disclosure - notes to consolidated financial statements (Details)", "role": "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "shortName": "notes to consolidated financial statements (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R68": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_tu_OutsidePlantMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_arA2JqVyFES7jRCx2PvinA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40101 - Disclosure - summary of significant accounting policies - Useful lives property, plant and equipment and right-of-use lease assets (Details)", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails", "shortName": "summary of significant accounting policies - Useful lives property, plant and equipment and right-of-use lease assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_tu_OutsidePlantMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_arA2JqVyFES7jRCx2PvinA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_ifrs-full_CustomerrelatedIntangibleAssetsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_sZsyieSIrU-eXSrF-14BIA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40102 - Disclosure - summary of significant accounting policies - Useful lives intangible assets (Details)", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "shortName": "summary of significant accounting policies - Useful lives intangible assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_ifrs-full_CustomerrelatedIntangibleAssetsMember_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_sZsyieSIrU-eXSrF-14BIA", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10101 - Disclosure - summary of significant accounting policies", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPolicies", "shortName": "summary of significant accounting policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "p", "ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:InventoryWirelessHandsetsPartsAccessories", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40103 - Disclosure - summary of significant accounting policies - Inventories (Details)", "role": "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoriesDetails", "shortName": "summary of significant accounting policies - Inventories (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:InventoryWirelessHandsetsPartsAccessories", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:NetDebt", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40301 - Disclosure - capital structure financial policies (Details)", "role": "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "shortName": "capital structure financial policies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "lang": null, "name": "tu:DebtIssuanceCostsNettedAgainstLongTermDebt", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:EarningsBeforeInterestTaxesDepreciationAndAmortization", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40302 - Disclosure - capital structure financial policies - reconciliation (Details)", "role": "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "shortName": "capital structure financial policies - reconciliation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:ScheduleOfCalculationOfFreeCashFlowAndReconciliationToCashProvidedByOperatingActivitiesTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2020_To_12_31_2020_SXVdFx5DHE2xFUluCD4frA", "decimals": "-6", "lang": null, "name": "ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfCreditRiskExposureExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:MaximumExposureToCreditRisk", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40401 - Disclosure - financial instruments - Credit risk (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails", "shortName": "financial instruments - Credit risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfCreditRiskExposureExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:MaximumExposureToCreditRisk", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfFinancialAssetsAxis_ifrs-full_TradeReceivablesMember_yft_HW6cNkmHFgrlOSVrRA", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DaysFromBillingDateToBeClassifiedAsPastDue", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40402 - Disclosure - financial instruments - Accounts receivable (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "shortName": "financial instruments - Accounts receivable (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfFinancialAssetsAxis_ifrs-full_TradeReceivablesMember_yft_HW6cNkmHFgrlOSVrRA", "decimals": null, "first": true, "lang": "en-US", "name": "tu:DaysFromBillingDateToBeClassifiedAsPastDue", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:WrittenOffDuringPeriodAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40403 - Disclosure - financial instruments - Activity related to allowance for doubtful accounts (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "shortName": "financial instruments - Activity related to allowance for doubtful accounts (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:WrittenOffDuringPeriodAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:SummaryOfContractAssetsAndItsImpairmentAllowanceActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ContractAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40404 - Disclosure - financial instruments - Contract assets (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "shortName": "financial instruments - Contract assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:SummaryOfContractAssetsAndItsImpairmentAllowanceActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_ifrs-full_GrossCarryingAmountMember_cAScPPF8ek6hNuEg3cWUlw", "decimals": "-6", "lang": null, "name": "ifrs-full:ContractAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities", "ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40405 - Disclosure - financial instruments - Liquidity risk (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "shortName": "financial instruments - Liquidity risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_ClassesOfFinancialLiabilitiesAxis_tu_DebtAndEquitySecuritiesShelfProspectusSixMember_P0xYd3xNlEintue6821m_w", "decimals": "-7", "lang": null, "name": "tu:ShelfProspectusSecuritiesAvailableForIssuance", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_srt_CurrencyAxis_currency_USD_fU5A-xMY8Emu4ExEQNV2lg", "decimals": "2", "first": true, "lang": null, "name": "tu:CurrencyRiskManagementExchangeRateHedgedRange", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40406 - Disclosure - financial instruments - Currency risk (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "shortName": "financial instruments - Currency risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_srt_CurrencyAxis_currency_USD_fU5A-xMY8Emu4ExEQNV2lg", "decimals": "2", "first": true, "lang": null, "name": "tu:CurrencyRiskManagementExchangeRateHedgedRange", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_pure_QdCqYxdoV0G9JZ34WvLlPQ", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfRisksAxis_ifrs-full_InterestRateRiskMember_ZWLsouUHyke4c05tQhSwpg", "decimals": "-6", "first": true, "lang": null, "name": "tu:IncreaseDecreaseInNetIncomeDueToReasonablyPossibleIncreaseInRiskVariable", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40407 - Disclosure - financial instruments - Market risks (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "shortName": "financial instruments - Market risks (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfRisksAxis_ifrs-full_InterestRateRiskMember_ZWLsouUHyke4c05tQhSwpg", "decimals": "-6", "first": true, "lang": null, "name": "tu:IncreaseDecreaseInNetIncomeDueToReasonablyPossibleIncreaseInRiskVariable", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10201 - Disclosure - accounting policy developments", "role": "http://www.telus.com/role/DisclosureAccountingPolicyDevelopments", "shortName": "accounting policy developments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentDerivativeFinancialAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40408 - Disclosure - financial instruments - Fair Values Derivatives (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "shortName": "financial instruments - Fair Values Derivatives (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_ClassesOfFinancialInstrumentsAxis_tu_DerivativeAssetsCurrentMember_ikE1uz_aukO8_os3CwgIRg", "decimals": "-6", "lang": null, "name": "ifrs-full:CurrentDerivativeFinancialAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "tu:DisclosureOfLongTermBorrowingsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40409 - Disclosure - financial instruments - Fair values Non-derivative (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails", "shortName": "financial instruments - Fair values Non-derivative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_MeasurementAxis_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember_5N0hhYBGcEGrcMq7sMYrrg", "decimals": "-6", "lang": null, "name": "tu:LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfRisksAxis_ifrs-full_CurrencyRiskMember_SKxp13ZkMUaMua1eGsF1ow", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40410 - Disclosure - financial instruments - Derivative gains and losses (Details)", "role": "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "shortName": "financial instruments - Derivative gains and losses (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_ClassesOfFinancialInstrumentsAxis_ifrs-full_DerivativesMember_qR9_Z3dD-kaat_V0gNTS8Q", "decimals": "-6", "lang": null, "name": "ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:RevenueFromContractsWithCustomers", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40501 - Disclosure - segment information - Operating revenue (Details)", "role": "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "shortName": "segment information - Operating revenue (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_GeographicalAreasAxis_ifrs-full_ForeignCountriesMember_56kLJgR3UEO2noESUjYweQ", "decimals": "-8", "lang": null, "name": "ifrs-full:RevenueFromContractsWithCustomers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:Revenue", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40502 - Disclosure - segment information - Income before income taxes (Details)", "role": "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "shortName": "segment information - Income before income taxes (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R85": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory", "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_-AIdciSj2UOI3twphzKdzA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TransactionPriceAllocatedToRemainingPerformanceObligations", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40601 - Disclosure - revenue from contracts with customers - Revenues (Details)", "role": "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "shortName": "revenue from contracts with customers - Revenues (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory", "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_ifrs-full_RangeAxis_ifrs-full_BottomOfRangeMember_-AIdciSj2UOI3twphzKdzA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TransactionPriceAllocatedToRemainingPerformanceObligations", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock", "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentReceivablesFromContractsWithCustomers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40602 - Disclosure - revenue from contracts with customers - Accounts receivable (Details)", "role": "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails", "shortName": "revenue from contracts with customers - Accounts receivable (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock", "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentReceivablesFromContractsWithCustomers", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:SummaryOfContractAssetsAndItsImpairmentAllowanceActivityTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ContractAssets", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40603 - Disclosure - revenue from contracts with customers - Contract assets (Details)", "role": "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "shortName": "revenue from contracts with customers - Contract assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "lang": null, "name": "tu:IncreaseThroughOperationsContractAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfOtherOperatingIncomeTextBlock", "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:GovernmentAssistance", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40701 - Disclosure - other income (Details)", "role": "http://www.telus.com/role/DisclosureOtherIncomeDetails", "shortName": "other income (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:ScheduleOfOtherOperatingIncomeTextBlock", "ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:GovernmentAssistance", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory", "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40801 - Disclosure - employee benefits expense (Details)", "role": "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "shortName": "employee benefits expense (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory", "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:WagesAndSalaries", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "10301 - Disclosure - capital structure financial policies", "role": "http://www.telus.com/role/DisclosureCapitalStructureFinancialPolicies", "shortName": "capital structure financial policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": null, "first": true, "lang": "en-US", "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "tu:DisclosureOfFinancingCostsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesGross", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "40901 - Disclosure - financing costs (Details)", "role": "http://www.telus.com/role/DisclosureFinancingCostsDetails", "shortName": "financing costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "tu:DisclosureOfFinancingCostsTextBlock", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "tu:InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesGross", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentTaxExpenseIncome", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41001 - Disclosure - income taxes - Expense composition (Details)", "role": "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails", "shortName": "income taxes - Expense composition (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ifrs-full:DisclosureOfIncomeTaxExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:CurrentTaxExpenseIncome", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TaxExpenseIncomeAtApplicableTaxRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41002 - Disclosure - income taxes - Rate reconciliations (Details)", "role": "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails", "shortName": "income taxes - Rate reconciliations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "tu:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TaxExpenseIncomeAtApplicableTaxRate", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDeferredTaxesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:DeferredTaxLiabilityAsset", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41003 - Disclosure - income taxes - Temporary differences (Details)", "role": "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "shortName": "income taxes - Temporary differences (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "ifrs-full:DisclosureOfDeferredTaxesExplanatory", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ZN90EPZz50mQIvgWO7Cnvw", "decimals": "-6", "lang": null, "name": "ifrs-full:DeferredTaxLiabilityAsset", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_ifrs-full_UnusedTaxCreditsMember_Q0E7P7cjjUexznhH5p-cNQ", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41004 - Disclosure - income taxes - Other (Details)", "role": "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "shortName": "income taxes - Other (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_ifrs-full_UnusedTaxCreditsMember_Q0E7P7cjjUexznhH5p-cNQ", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2020_optipM1BaU6LXqAJ59PqGA", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ReserveOfCashFlowHedges", "reportCount": 1, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41101 - Disclosure - other comprehensive income (Details)", "role": "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "shortName": "other comprehensive income (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "td", "tr", "table", "tu:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2019_ZN90EPZz50mQIvgWO7Cnvw", "decimals": "-6", "lang": null, "name": "ifrs-full:ReserveOfCashFlowHedges", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:WeightedAverageShares", "reportCount": 1, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41201 - Disclosure - per share amounts (Details)", "role": "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "shortName": "per share amounts (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:EarningsPerShareExplanatory", "ifrs-full:DisclosureOfEarningsPerShareExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "lang": null, "name": "tu:DilutiveEffectOfOtherThanShareOptionsOnNumberOfOrdinaryShares", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfDividendsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_2_9_2022_To_2_9_2022_6BdVqvy8j0mjH2DPG-NarA", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_CAD_shares_851OmdKNGkCnAa7PEK42lg", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41301 - Disclosure - dividends per share (Details)", "role": "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "shortName": "dividends per share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "p", "ifrs-full:DisclosureOfDividendsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_2_9_2022_To_2_9_2022_6BdVqvy8j0mjH2DPG-NarA", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare", "reportCount": 1, "unique": true, "unitRef": "Unit_Divide_CAD_shares_851OmdKNGkCnAa7PEK42lg", "xsiNil": "false" } }, "R98": { "firstAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss", "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41401 - Disclosure - share-based compensation - Expense (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "shortName": "share-based compensation - Expense (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "b", "p", "td", "tr", "table", "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss", "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_b4UeQq-SD0CCl3h0XhPihw", "decimals": "-6", "first": true, "lang": null, "name": "ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_CAD_1mqPD355R0q83T2HzJ0Msw", "xsiNil": "false" } }, "R99": { "firstAnchor": { "ancestors": [ "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement", "p", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "As_Of_12_31_2021_guV_hPZs40KjLca5IaoTJg", "decimals": "INF", "first": true, "lang": null, "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement", "reportCount": 1, "unitRef": "Unit_Standard_EquityInstruments_oWTM_z9eWUSFi_MLFPco5Q", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "41402 - Disclosure - share-based compensation - Restricted share units (Details)", "role": "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "shortName": "share-based compensation - Restricted share units (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory", "div", "div", "body", "html" ], "baseRef": "tu-20211231xex994.htm", "contextRef": "Duration_1_1_2021_To_12_31_2021_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_tu_IfrsRestrictedStockUnitsRSUMember_nh2e-4AVO0GSZaAQ_pLZ6Q", "decimals": "INF", "lang": null, "name": "tu:RestrictedStockUnitNominalValueInEquityShares", "reportCount": 1, "unique": true, "unitRef": "Unit_Standard_shares_xR6unQz3_k-7J9nGYQ13zw", "xsiNil": "false" } } }, "segmentCount": 280, "tag": { "currency_AllCurrenciesDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "All Currencies [Domain]" } } }, "localname": "AllCurrenciesDomain", "nsuri": "http://xbrl.sec.gov/currency/2021", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "currency_CAD": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Canadian Dollars" } } }, "localname": "CAD", "nsuri": "http://xbrl.sec.gov/currency/2021", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "currency_EUR": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "European euro" } } }, "localname": "EUR", "nsuri": "http://xbrl.sec.gov/currency/2021", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "currency_INR": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "India, Rupees" } } }, "localname": "INR", "nsuri": "http://xbrl.sec.gov/currency/2021", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "currency_USD": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "U.S. Dollars" } } }, "localname": "USD", "nsuri": "http://xbrl.sec.gov/currency/2021", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "dei_AddressTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An entity may have several addresses for different purposes and this domain represents all such types.", "label": "Address Type [Domain]" } } }, "localname": "AddressTypeDomain", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "domainItemType" }, "dei_AmendmentDescription": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of changes contained within amended document.", "label": "Amendment Description" } } }, "localname": "AmendmentDescription", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AnnualInformationForm": { "auth_ref": [ "r451" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag with value true on a form if it is an annual report containing an annual information form.", "label": "Annual Information Form" } } }, "localname": "AnnualInformationForm", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AuditedAnnualFinancialStatements": { "auth_ref": [ "r451" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag with value true on a form if it is an annual report containing audited financial statements.", "label": "Audited Annual Financial Statements" } } }, "localname": "AuditedAnnualFinancialStatements", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AuditorFirmId": { "auth_ref": [ "r449", "r450", "r451" ], "lang": { "en-us": { "role": { "documentation": "PCAOB issued Audit Firm Identifier", "label": "Auditor Firm ID" } } }, "localname": "AuditorFirmId", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "nonemptySequenceNumberItemType" }, "dei_AuditorLocation": { "auth_ref": [ "r449", "r450", "r451" ], "lang": { "en-us": { "role": { "label": "Auditor Location" } } }, "localname": "AuditorLocation", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_AuditorName": { "auth_ref": [ "r449", "r450", "r451" ], "lang": { "en-us": { "role": { "label": "Auditor Name" } } }, "localname": "AuditorName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_BusinessContactMember": { "auth_ref": [ "r450", "r451" ], "lang": { "en-us": { "role": { "documentation": "Business contact for the entity", "label": "Business Contact [Member]" } } }, "localname": "BusinessContactMember", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "domainItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Area code of city", "label": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_ContactPersonnelName": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of contact personnel", "label": "Contact Personnel Name" } } }, "localname": "ContactPersonnelName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Document and Entity Information" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r449", "r450", "r451" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "gYearItemType" }, "dei_DocumentInformationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Document Information [Line Items]" } } }, "localname": "DocumentInformationLineItems", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_DocumentInformationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package.", "label": "Document Information [Table]" } } }, "localname": "DocumentInformationTable", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.", "label": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentRegistrationStatement": { "auth_ref": [ "r444" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as a registration statement.", "label": "Document Registration Statement" } } }, "localname": "DocumentRegistrationStatement", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCountry": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "ISO 3166-1 alpha-2 country code.", "label": "Entity Address, Country" } } }, "localname": "EntityAddressCountry", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "countryCodeItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityAddressesAddressTypeAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Entity Addresses, Address Type [Axis]" } } }, "localname": "EntityAddressesAddressTypeAxis", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r446" ], "lang": { "en-us": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosurePerShareAmountsTables", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails", "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r446" ], "lang": { "en-us": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r446" ], "lang": { "en-us": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r452" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityPrimarySicNumber": { "auth_ref": [ "r451" ], "lang": { "en-us": { "role": { "documentation": "Primary Standard Industrial Classification (SIC) Number for the Entity.", "label": "Entity Primary SIC Number" } } }, "localname": "EntityPrimarySicNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "sicNumberItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r446" ], "lang": { "en-us": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r446" ], "lang": { "en-us": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "EntitySmallBusiness" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [ "r453" ], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r449", "r450", "r451" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosurePerShareAmountsTables", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails", "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r445" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_Security12gTitle": { "auth_ref": [ "r448" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(g) registered security.", "label": "Title of 12(g) Security" } } }, "localname": "Security12gTitle", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r447" ], "lang": { "en-us": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "tradingSymbolItemType" }, "ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember": { "auth_ref": [ "r90", "r100", "r190", "r205", "r208" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated depreciation, amortisation and impairment. [Refer: Impairment loss; Depreciation and amortisation expense]" } }, "en-us": { "role": { "label": "Accumulated depreciation" } } }, "localname": "AccumulatedDepreciationAmortisationAndImpairmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AccumulatedDepreciationAndAmortisationMember": { "auth_ref": [ "r90", "r100", "r190", "r205", "r208" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated depreciation and amortisation. [Refer: Depreciation and amortisation expense]" } }, "en-us": { "role": { "label": "Accumulated amortization" } } }, "localname": "AccumulatedDepreciationAndAmortisationMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AccumulatedImpairmentMember": { "auth_ref": [ "r90", "r190", "r205", "r208", "r334", "r354", "r362", "r436", "r442" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated impairment. [Refer: Impairment loss]" } }, "en-us": { "role": { "label": "Allowance for doubtful accounts" } } }, "localname": "AccumulatedImpairmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AccumulatedOtherComprehensiveIncome": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 1.0, "parentTag": "tu_CapitalizedAmountOfEquityAndDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Accumulated other comprehensive income", "negatedLabel": "Less: accumulated other comprehensive income included above in common equity and non-controlling interests", "periodEndLabel": "Accumulated other comprehensive income balance ending", "periodStartLabel": "Accumulated other comprehensive income balance beginning" } } }, "localname": "AccumulatedOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r12" ], "lang": { "en": { "role": { "documentation": "This member stands for accumulated other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Accumulated other comprehensive income [member]", "terseLabel": "Accumulated other comprehensive income" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred": { "auth_ref": [ "r326" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Consideration transferred, acquisition-date fair value", "terseLabel": "Cash and contingent consideration", "totalLabel": "Total consideration transferred" } } }, "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferred", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Acquisition-date fair value of total consideration transferred [abstract]", "terseLabel": "Acquisition effected by way of:" } } }, "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill": { "auth_ref": [ "r191" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill]" } }, "en-us": { "role": { "label": "Acquisitions through business combinations, intangible assets and goodwill", "terseLabel": "Additions arising from business acquisitions" } } }, "localname": "AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment": { "auth_ref": [ "r92" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Acquisitions through business combinations, property, plant and equipment", "terseLabel": "Additions arising from business acquisitions" } } }, "localname": "AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ActuarialAssumptionOfDiscountRates": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Actuarial assumption of discount rates", "terseLabel": "Discount rate used to determine defined benefit obligations" } } }, "localname": "ActuarialAssumptionOfDiscountRates", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ActuarialAssumptionOfDiscountRatesMember": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "This member stands for the discount rates used as actuarial assumptions. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Discount rate" } } }, "localname": "ActuarialAssumptionOfDiscountRatesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Actuarial assumption of expected rates of salary increases", "terseLabel": "Rate of future increases in compensation used to defined benefit obligations" } } }, "localname": "ActuarialAssumptionOfExpectedRatesOfSalaryIncreases", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "This member stands for the expected rates of salary increases used as actuarial assumptions. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Rate of future increases in compensation" } } }, "localname": "ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ActuarialAssumptionOfLifeExpectancyAfterRetirement2019": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "The life expectancy after retirement used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Actuarial assumption of life expectancy after retirement", "terseLabel": "Life expectancy" } } }, "localname": "ActuarialAssumptionOfLifeExpectancyAfterRetirement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_ActuarialAssumptionOfMortalityRates": { "auth_ref": [ "r128" ], "lang": { "en": { "role": { "documentation": "The mortality rate used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Actuarial assumption of mortality rates", "terseLabel": "Life expectancy at 65 for a member currently at age 65 (years)" } } }, "localname": "ActuarialAssumptionOfMortalityRates", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_ActuarialAssumptionOfMortalityRatesMember": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "This member stands for the mortality rates used as actuarial assumptions. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Actuarial assumption of mortality rates [member]", "terseLabel": "Mortality rate" } } }, "localname": "ActuarialAssumptionOfMortalityRatesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ActuarialAssumptionsAxis": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Actuarial assumptions [axis]" } } }, "localname": "ActuarialAssumptionsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ActuarialAssumptionsMember": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "This member stands for all actuarial assumptions. Actuarial assumptions are the entity\u2019s unbiased and mutually compatible best estimates of the demographic and financial variables that will determine the ultimate cost of providing post-employment benefits. It also represents the standard value for the 'Actuarial assumptions' axis if no other member is used." } }, "en-us": { "role": { "label": "Actuarial assumptions [member]" } } }, "localname": "ActuarialAssumptionsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r115" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in demographic assumptions that result in remeasurements of the net defined benefit liability (asset). Demographic assumptions deal with matters such as: (a) mortality; (b) rates of employee turnover, disability and early retirement; (c) the proportion of plan members with dependants who will be eligible for benefits; (d) the proportion of plan members who will select each form of payment option available under the plan terms; and (e) claim rates under medical plans. [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Actuarial gains (losses) arising from changes in demographic assumptions, net defined benefit liability (asset)", "terseLabel": "Defined benefit obligations - Difference between actual results and estimated plan assumptions" } } }, "localname": "ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r116" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 3.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions that result in remeasurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (ie the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Actuarial gains (losses) arising from changes in financial assumptions, net defined benefit liability (asset)", "terseLabel": "Changes in plan financial assumptions" } } }, "localname": "ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionalPaidinCapitalMember": { "auth_ref": [ "r12" ], "lang": { "en": { "role": { "documentation": "This member stands for amounts received from issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders." } }, "en-us": { "role": { "label": "Contributed surplus" } } }, "localname": "AdditionalPaidinCapitalMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r191" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Additions other than through business combinations, intangible assets other than goodwill", "terseLabel": "Additions" } } }, "localname": "AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": { "auth_ref": [ "r91" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Additions other than through business combinations, property, plant and equipment", "terseLabel": "Additions" } } }, "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustedWeightedAverageShares": { "auth_ref": [ "r163" ], "lang": { "en": { "role": { "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Adjusted weighted average number of ordinary shares outstanding", "terseLabel": "Diluted" } } }, "localname": "AdjustedWeightedAverageShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "sharesItemType" }, "ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod": { "auth_ref": [ "r74" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 2.0, "parentTag": "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments of tax expense (income) recognised in the period for current tax of prior periods." } }, "en-us": { "role": { "label": "Adjustments for current tax of prior periods", "terseLabel": "Adjustments recognized in the current period for income taxes of prior periods" } } }, "localname": "AdjustmentsForCurrentTaxOfPriorPeriod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInInventories": { "auth_ref": [ "r216" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for decrease (increase) in inventories", "terseLabel": "Inventories" } } }, "localname": "AdjustmentsForDecreaseIncreaseInInventories", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 4.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for the decrease (increase) in prepaid expenses to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Current prepaid expenses; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for Decrease (Increase) in Prepaid Expenses", "terseLabel": "Prepaid expenses" } } }, "localname": "AdjustmentsForDecreaseIncreaseInPrepaidExpenses", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for decrease (increase) in trade and other receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other receivables; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for decrease (increase) in trade and other receivables", "terseLabel": "Accounts receivable" } } }, "localname": "AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDeferredTaxExpense": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for deferred tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Deferred tax expense (income); Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for deferred tax expense", "terseLabel": "Deferred income taxes" } } }, "localname": "AdjustmentsForDeferredTaxExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods": { "auth_ref": [ "r78" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 3.0, "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments of tax expense (income) recognised in the period for the deferred tax of prior periods." } }, "en-us": { "role": { "label": "Adjustments for deferred tax of prior periods", "terseLabel": "Adjustments recognized in the current period for income taxes of prior periods" } } }, "localname": "AdjustmentsForDeferredTaxOfPriorPeriods", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": { "auth_ref": [ "r217" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for depreciation and amortisation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Depreciation and amortisation expense; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for depreciation and amortization expense", "terseLabel": "Depreciation and amortization" } } }, "localname": "AdjustmentsForDepreciationAndAmortisationExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Adjustments for gain (loss) on disposals investments in subsidiaries, joint ventures and associates to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries, joint ventures and associates reported in separate financial statements; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates", "negatedLabel": "Gain on disposition of financial solutions business", "terseLabel": "Gain on disposition of financial solutions business" } } }, "localname": "AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureOtherIncomeDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment": { "auth_ref": [ "r218" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "Adjustments for gain (loss) on disposals of property, plant and equipment to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss); Property, plant and equipment; Disposals, property, plant and equipment]" } }, "en-us": { "role": { "label": "Adjustments for gain (loss) on disposals, property, plant and equipment", "negatedLabel": "Deduct non-cash gains from the sale of property, plant and equipment" } } }, "localname": "AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForProvisions": { "auth_ref": [ "r217" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 8.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for provisions", "terseLabel": "Provisions" } } }, "localname": "AdjustmentsForProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to reconcile profit (loss) [abstract]", "terseLabel": "Adjustments to reconcile net income to cash provided by operating activities:", "verboseLabel": "Items not affecting currently reported cash flows" } } }, "localname": "AdjustmentsForReconcileProfitLossAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_AdjustmentsForSharebasedPayments": { "auth_ref": [ "r217" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for share-based payments", "terseLabel": "Share-based compensation expense, net", "verboseLabel": "Statement of cash flows adjustment" } } }, "localname": "AdjustmentsForSharebasedPayments", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Adjustments for undistributed profits of investments accounted for using the equity method to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Investments accounted for using equity method; Profit (loss)]" } }, "en-us": { "role": { "label": "Adjustments for undistributed profits of investments accounted for using equity method", "negatedLabel": "Loss from equity accounted investments" } } }, "localname": "AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AggregatedIndividuallyImmaterialBusinessCombinationsMember": { "auth_ref": [ "r332" ], "lang": { "en": { "role": { "documentation": "This member stands for the aggregation of business combinations that are individually immaterial. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Individually immaterial transactions" } } }, "localname": "AggregatedIndividuallyImmaterialBusinessCombinationsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AggregatedMeasurementMember": { "auth_ref": [ "r203", "r207", "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used." } }, "en-us": { "role": { "label": "Aggregated measurement [member]" } } }, "localname": "AggregatedMeasurementMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AggregatedTimeBandsMember": { "auth_ref": [ "r35", "r132", "r290", "r302", "r303", "r342", "r376", "r378", "r409", "r410", "r412", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated time bands. It also represents the standard value for the 'Maturity' axis if no other member is used." } }, "en-us": { "role": { "label": "Aggregated time bands [member]" } } }, "localname": "AggregatedTimeBandsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AllLevelsOfFairValueHierarchyMember": { "auth_ref": [ "r127", "r269" ], "lang": { "en": { "role": { "documentation": "This member stands for all levels of the fair value hierarchy. It also represents the standard value for the 'Levels of fair value hierarchy' axis if no other member is used." } }, "en-us": { "role": { "label": "All levels of fair value hierarchy [member]" } } }, "localname": "AllLevelsOfFairValueHierarchyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers": { "auth_ref": [ "r292" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of amortisation for assets recognised from the costs incurred to obtain or fulfil contracts with customers. [Refer: Assets recognised from costs to obtain or fulfil contracts with customers; Amortisation expense]" } }, "en-us": { "role": { "label": "Amortisation, assets recognised from costs incurred to obtain or fulfil contracts with customers", "negatedLabel": "Amortization" } } }, "localname": "AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r192" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 4.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Amortisation, intangible assets other than goodwill", "terseLabel": "Amortization of intangible assets", "verboseLabel": "Amortization" } } }, "localname": "AmortisationIntangibleAssetsOtherThanGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]", "terseLabel": "Fair values assigned to assets acquired and liabilities assumed in acquisition" } } }, "localname": "AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ApplicableTaxRate": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 1.0, "parentTag": "ifrs-full_AverageEffectiveTaxRate", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The applicable income tax rate." } }, "en-us": { "role": { "label": "Applicable tax rate", "terseLabel": "Applicable statutory rate (as a percent)" } } }, "localname": "ApplicableTaxRate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_AssetbackedSecuritiesAmountContributedToFairValueOfPlanAssets": { "auth_ref": [ "r126" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": 1.0, "parentTag": "ifrs-full_PlanAssetsAtFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount securities that are backed by underlying assets contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Asset-backed securities, amount contributed to fair value of plan assets", "terseLabel": "Asset-backed securities" } } }, "localname": "AssetbackedSecuritiesAmountContributedToFairValueOfPlanAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_Assets": { "auth_ref": [ "r31", "r268", "r269", "r270", "r393", "r396" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits." } }, "en-us": { "role": { "label": "Assets", "totalLabel": "Assets" } } }, "localname": "Assets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [abstract]", "terseLabel": "ASSETS", "verboseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers": { "auth_ref": [ "r291" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify." } }, "en-us": { "role": { "label": "Assets recognised from costs to obtain or fulfil contracts with customers", "periodEndLabel": "Balance, end of period", "periodStartLabel": "Balance, beginning of period", "totalLabel": "Total" } } }, "localname": "AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_AssociatesMember": { "auth_ref": [ "r150", "r157", "r159", "r266", "r425", "r428" ], "lang": { "en": { "role": { "documentation": "This member stands for the entities over which the investor has significant influence." } }, "en-us": { "role": { "label": "Associates" } } }, "localname": "AssociatesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis": { "auth_ref": [ "r3", "r13" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Attribution of expenses by nature to their function [axis]" } } }, "localname": "AttributionOfExpensesByNatureToTheirFunctionAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_AverageEffectiveTaxRate": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en": { "role": { "documentation": "The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]" } }, "en-us": { "role": { "label": "Average effective tax rate", "totalLabel": "Tax rate for Income tax expense per Consolidated statements of income and other comprehensive income (as a percent)" } } }, "localname": "AverageEffectiveTaxRate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_BasicEarningsLossPerShare": { "auth_ref": [ "r161", "r162" ], "lang": { "en": { "role": { "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)." } }, "en-us": { "role": { "label": "Basic earnings (loss) per share", "terseLabel": "Basic" } } }, "localname": "BasicEarningsLossPerShare", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "perShareItemType" }, "ifrs-full_Borrowings": { "auth_ref": [ "r31" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of outstanding funds that the entity is obligated to repay." } }, "en-us": { "role": { "label": "Borrowings", "verboseLabel": "Amounts drawn on credit facility" } } }, "localname": "Borrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_BorrowingsByNameAxis": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Borrowings by name [axis]" } } }, "localname": "BorrowingsByNameAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_BorrowingsByNameMember": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "This member stands for all borrowings when disaggregated by name. It also represents the standard value for the 'Borrowings by name' axis if no other member is used. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings by name [member]" } } }, "localname": "BorrowingsByNameMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_BorrowingsInterestRate": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "The interest rate on borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, interest rate", "terseLabel": "Fixed interest rate", "verboseLabel": "Interest rate on borrowings" } } }, "localname": "BorrowingsInterestRate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_BorrowingsMaturity": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "The maturity of borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Borrowings, maturity", "terseLabel": "Maturity period, in years" } } }, "localname": "BorrowingsMaturity", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Business combinations [member]]" } }, "en-us": { "role": { "label": "Borrowings recognised as of acquisition date", "verboseLabel": "Long-term debt" } } }, "localname": "BorrowingsRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_BottomOfRangeMember": { "auth_ref": [ "r274", "r276", "r279", "r315", "r371", "r412" ], "lang": { "en": { "role": { "documentation": "This member stands for the bottom of a range." } }, "en-us": { "role": { "label": "Minimum" } } }, "localname": "BottomOfRangeMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_BuildingsMember": { "auth_ref": [ "r88" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of plant, property and equipment representing depreciable buildings and similar structures for use in operations. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Buildings and leasehold improvements" } } }, "localname": "BuildingsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_BusinessCombinationsAxis": { "auth_ref": [ "r331" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Business combinations [axis]" } } }, "localname": "BusinessCombinationsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_BusinessCombinationsMember": { "auth_ref": [ "r331" ], "lang": { "en": { "role": { "documentation": "This member stands for transactions or other events in which an acquirer obtains control of one or more businesses. Transactions sometimes referred to as 'true mergers' or 'mergers of equals' are also business combinations as that term is used in IFRS 3." } }, "en-us": { "role": { "label": "Combined acquisitions" } } }, "localname": "BusinessCombinationsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CancellationOfTreasuryShares": { "auth_ref": [ "r9" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of treasury stock cancelled during the period. [Refer: Treasury shares]" } }, "en-us": { "role": { "label": "Cancellation of treasury shares", "terseLabel": "Shares settled from Treasury" } } }, "localname": "CancellationOfTreasuryShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation": { "auth_ref": [ "r143" ], "lang": { "en": { "role": { "documentation": "The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]" } }, "en-us": { "role": { "label": "Capitalisation rate of borrowing costs eligible for capitalisation", "verboseLabel": "Composite interest rate on long-term debt, excluding lease liabilities (as a percent)" } } }, "localname": "CapitalisationRateOfBorrowingCostsEligibleForCapitalisation", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": { "auth_ref": [ "r90", "r96", "r190", "r194", "r204", "r205", "r206", "r207", "r208", "r334", "r354", "r357", "r436", "r443" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]" } } }, "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CarryingAmountMember": { "auth_ref": [ "r96", "r194", "r204", "r206", "r207", "r334", "r354", "r357", "r436", "r441" ], "lang": { "en": { "role": { "documentation": "This member stands for the amount at which an asset is recognised in the statement of financial position (after deducting any accumulated depreciation or amortisation and accumulated impairment losses). It also represents the standard value for the 'Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount' axis if no other member is used. [Refer: Depreciation and amortisation expense; Impairment loss]" } }, "en-us": { "role": { "label": "Carrying amount [member]" } } }, "localname": "CarryingAmountMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CashAndCashEquivalents": { "auth_ref": [ "r23", "r226", "r258" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 2.0, "parentTag": "ifrs-full_NetDebt", "weight": -1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]" } }, "en-us": { "role": { "label": "Cash and cash equivalents", "negatedLabel": "Cash and temporary investments, net", "periodEndLabel": "Cash and temporary investments, net, end of period", "periodStartLabel": "Cash and temporary investments, net, beginning of period", "terseLabel": "Cash and temporary investments, net" } } }, "localname": "CashAndCashEquivalents", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets": { "auth_ref": [ "r122" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": 2.0, "parentTag": "ifrs-full_PlanAssetsAtFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Cash and cash equivalents, amount contributed to fair value of plan assets", "terseLabel": "Cash, cash equivalents and other" } } }, "localname": "CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Business combinations [member]]" } }, "en-us": { "role": { "label": "Cash and cash equivalents recognised as of acquisition date", "terseLabel": "Cash" } } }, "localname": "CashAndCashEquivalentsRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowHedgesMember": { "auth_ref": [ "r202", "r343", "r344", "r347" ], "lang": { "en": { "role": { "documentation": "This member stands for hedges of the exposure to variability in cash flows that (a) are attributable to a particular risk associated with a recognised asset or liability (such as all or some future interest payments on variable rate debt) or a highly probable forecast transaction; and (b) could affect profit or loss. [Refer: Hedges [member]]" } }, "en-us": { "role": { "label": "Cash flow hedging item (HFH)" } } }, "localname": "CashFlowHedgesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivities": { "auth_ref": [ "r209", "r228" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity." } }, "en-us": { "role": { "label": "Cash provided by financing activities", "totalLabel": "Cash provided by financing activities" } } }, "localname": "CashFlowsFromUsedInFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) financing activities [abstract]", "terseLabel": "FINANCING ACTIVITIES" } } }, "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivities": { "auth_ref": [ "r209", "r228" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents." } }, "en-us": { "role": { "label": "Cash used by investing activities", "totalLabel": "Cash used by investing activities" } } }, "localname": "CashFlowsFromUsedInInvestingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) investing activities [abstract]", "terseLabel": "INVESTING ACTIVITIES", "verboseLabel": "Cash flows in the current reporting period" } } }, "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivities": { "auth_ref": [ "r209", "r228" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Cash provided by operating activities", "terseLabel": "Cash provided by operating activities", "totalLabel": "Cash provided by operating activities" } } }, "localname": "CashFlowsFromUsedInOperatingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows from (used in) operating activities [abstract]", "terseLabel": "OPERATING ACTIVITIES" } } }, "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_CashTransferred": { "auth_ref": [ "r324" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Cash transferred", "terseLabel": "Cash consideration" } } }, "localname": "CashTransferred", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis": { "auth_ref": [ "r291" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis]" } } }, "localname": "CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember": { "auth_ref": [ "r291" ], "lang": { "en": { "role": { "documentation": "This member stands for all categories of assets recognised from the costs to obtain or fulfil contracts with customers. It also represents the standard value for the 'Categories of assets recognised from costs to obtain or fulfil contracts with customers' axis if no other member is used. [Refer: Assets recognised from costs to obtain or fulfil contracts with customers]" } }, "en-us": { "role": { "label": "Categories of assets recognised from costs to obtain or fulfil contracts with customers [member]" } } }, "localname": "CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CategoriesOfFinancialAssetsAxis": { "auth_ref": [ "r375" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of financial assets [axis]" } } }, "localname": "CategoriesOfFinancialAssetsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfFinancialLiabilitiesAxis": { "auth_ref": [ "r375" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of financial liabilities [axis]" } } }, "localname": "CategoriesOfFinancialLiabilitiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CategoriesOfRelatedPartiesAxis": { "auth_ref": [ "r152" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Categories of related parties [axis]" } } }, "localname": "CategoriesOfRelatedPartiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ChangesInGoodwill": { "auth_ref": [ "r334" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in goodwill. [Refer: Goodwill]" } }, "en-us": { "role": { "label": "Increase (decrease) in goodwill", "terseLabel": "Increase (decrease) in goodwill" } } }, "localname": "ChangesInGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r194" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Increase (decrease) in intangible assets other than goodwill", "terseLabel": "Increase (decrease) in intangible assets subject to amortization" } } }, "localname": "ChangesInIntangibleAssetsOtherThanGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Changes in liabilities arising from financing activities [abstract]", "terseLabel": "Changes in liabilities arising from financing activities" } } }, "localname": "ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Changes in net defined benefit liability (asset) resulting from expense (income) in profit or loss [abstract]", "terseLabel": "Employee benefits expense" } } }, "localname": "ChangesInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLossAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis": { "auth_ref": [ "r104" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Characteristics of defined benefit plans [axis]" } } }, "localname": "CharacteristicsOfDefinedBenefitPlansAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CharacteristicsOfDefinedBenefitPlansMember": { "auth_ref": [ "r104" ], "lang": { "en": { "role": { "documentation": "This member stands for all defined benefit plans when disaggregated by characteristics of defined benefits plans. It also represents the standard value for the 'Characteristics of defined benefits plans' axis if no other member is used." } }, "en-us": { "role": { "label": "Characteristics of defined benefit plans [member]" } } }, "localname": "CharacteristicsOfDefinedBenefitPlansMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfAssetsAxis": { "auth_ref": [ "r166", "r169", "r271", "r301" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of assets [axis]" } } }, "localname": "ClassesOfAssetsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfAssetsMember": { "auth_ref": [ "r166", "r271", "r301" ], "lang": { "en": { "role": { "documentation": "This member stands for a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of assets' axis if no other member is used." } }, "en-us": { "role": { "label": "Assets [member]" } } }, "localname": "ClassesOfAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfContingentLiabilitiesAxis": { "auth_ref": [ "r186", "r333" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of contingent liabilities [axis]" } } }, "localname": "ClassesOfContingentLiabilitiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "employee benefits expense" } } }, "localname": "ClassesOfEmployeeBenefitsExpenseAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialAssetsAxis": { "auth_ref": [ "r369", "r370", "r408", "r421", "r422", "r423" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of financial assets [axis]" } } }, "localname": "ClassesOfFinancialAssetsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsAxis": { "auth_ref": [ "r354", "r359", "r361", "r363" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of financial instruments [axis]" } } }, "localname": "ClassesOfFinancialInstrumentsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfFinancialInstrumentsMember": { "auth_ref": [ "r354", "r359", "r361", "r363" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial instruments, class [member]" } } }, "localname": "ClassesOfFinancialInstrumentsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ClassesOfFinancialLiabilitiesAxis": { "auth_ref": [ "r369", "r370", "r408", "r422" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of financial liabilities [axis]" } } }, "localname": "ClassesOfFinancialLiabilitiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of intangible assets and goodwill [axis]" } } }, "localname": "ClassesOfIntangibleAssetsAndGoodwillAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of intangible assets other than goodwill [axis]" } } }, "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": { "auth_ref": [ "r97" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of property, plant and equipment [axis]" } } }, "localname": "ClassesOfPropertyPlantAndEquipmentAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfProvisionsAxis": { "auth_ref": [ "r184" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of other provisions [axis]" } } }, "localname": "ClassesOfProvisionsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfShareCapitalAxis": { "auth_ref": [ "r48" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Classes of share capital [axis]" } } }, "localname": "ClassesOfShareCapitalAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ClassesOfShareCapitalMember": { "auth_ref": [ "r48" ], "lang": { "en": { "role": { "documentation": "This member stands for share capital of the entity. It also represents the standard value for the 'Classes of share capital' axis if no other member is used." } }, "en-us": { "role": { "label": "Share capital [member]" } } }, "localname": "ClassesOfShareCapitalMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CommodityPriceRiskMember": { "auth_ref": [ "r367", "r384" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of other price risk that represents the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in commodity prices. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Commodity price risk" } } }, "localname": "CommodityPriceRiskMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ComponentsOfEquityAxis": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Components of equity [axis]" } } }, "localname": "ComponentsOfEquityAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Items that may subsequently be reclassified to income" } } }, "localname": "ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]", "terseLabel": "Items that may subsequently be reclassified to income" } } }, "localname": "ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Item never reclassified to income" } } }, "localname": "ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]", "terseLabel": "Items never subsequently reclassified to income" } } }, "localname": "ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_ComprehensiveIncome": { "auth_ref": [ "r4", "r52", "r238", "r240", "r250", "r255" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners." } }, "en-us": { "role": { "label": "Comprehensive income", "terseLabel": "Comprehensive income", "totalLabel": "COMPREHENSIVE INCOME" } } }, "localname": "ComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Attributable to:", "terseLabel": "COMPREHENSIVE INCOME ATTRIBUTABLE TO:", "verboseLabel": "Related to real estate joint ventures' statements of income and other comprehensive income" } } }, "localname": "ComprehensiveIncomeAttributableToAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": { "auth_ref": [ "r4", "r55" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": 1.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]" } }, "en-us": { "role": { "label": "Comprehensive income, attributable to non-controlling interests", "terseLabel": "Non-controlling interests" } } }, "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": { "auth_ref": [ "r4", "r56" ], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 1.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": -1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": 2.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]" } }, "en-us": { "role": { "label": "Comprehensive income, attributable to owners of parent", "negatedLabel": "Comprehensive income (loss) attributable to us", "terseLabel": "Common Shares" } } }, "localname": "ComprehensiveIncomeAttributableToOwnersOfParent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ComputerEquipmentMember": { "auth_ref": [ "r88" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing computer equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Mobile site equipment" } } }, "localname": "ComputerEquipmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ComputerSoftwareMember": { "auth_ref": [ "r196" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Software" } } }, "localname": "ComputerSoftwareMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r327" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount, at acquisition date, of contingent consideration arrangements recognised as consideration transferred in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Contingent consideration recognised as of acquisition date", "verboseLabel": "Contingent consideration" } } }, "localname": "ContingentConsiderationRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContingentLiabilitiesMember": { "auth_ref": [ "r187", "r333" ], "lang": { "en": { "role": { "documentation": "This member stands for possible obligations that arise from past events and whose existence will be confirmed only by the occurrence or non-occurrence of one or more uncertain future events not wholly within the control of the entity; or, present obligations that arise from past events but are not recognised because (a) it is probable that an outflow of resources embodying economic benefits will be required to settle the obligations; or (b) the amount of the obligations cannot be measured with sufficient reliability. It also represents the standard value for the 'Classes of contingent liabilities' axis if no other member is used." } }, "en-us": { "role": { "label": "Contingent liabilities [member]" } } }, "localname": "ContingentLiabilitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ContingentLiabilityForGuaranteesMember": { "auth_ref": [ "r187" ], "lang": { "en": { "role": { "documentation": "This member stands for a contingent liability for guarantees. [Refer: Contingent liabilities [member]; Guarantees [member]]" } }, "en-us": { "role": { "label": "Indemnification obligations" } } }, "localname": "ContingentLiabilityForGuaranteesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ContractAssets": { "auth_ref": [ "r281", "r285" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of an entity\u2019s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity\u2019s future performance)." } }, "en-us": { "role": { "label": "Contract assets", "periodEndLabel": "Contract assets at end of period", "periodStartLabel": "Contract assets at beginning of period" } } }, "localname": "ContractAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContractAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Contract assets.", "terseLabel": "Contract assets" } } }, "localname": "ContractAssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ContractAssetsMember": { "auth_ref": [ "r353", "r360", "r362" ], "lang": { "en": { "role": { "documentation": "This member stands for contract assets. [Refer: Contract assets]" } }, "en-us": { "role": { "label": "Contract assets [member]", "terseLabel": "Contract assets" } } }, "localname": "ContractAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ContractLiabilities": { "auth_ref": [ "r281", "r285" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of an entity\u2019s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer." } }, "en-us": { "role": { "label": "Contract liabilities", "periodEndLabel": "Contract liabilities at end of period", "periodStartLabel": "Contract liabilities at beginning of period" } } }, "localname": "ContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchanged": { "auth_ref": [ "r377" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails": { "order": 3.0, "parentTag": "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to contractual amounts to be exchanged in a derivative financial instrument for which gross cash flows are exchanged. [Refer: Derivatives [member]]" } }, "en-us": { "role": { "label": "Contractual amounts to be exchanged in derivative financial instrument for which gross cash flows are exchanged", "terseLabel": "Amounts to be exchanged, Pay", "totalLabel": "Undiscounted contractual maturities - Derivative Liabilities, Pay" } } }, "localname": "ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchanged", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContractualCapitalCommitments": { "auth_ref": [ "r13" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]" } }, "en-us": { "role": { "label": "Contractual capital commitments" } } }, "localname": "ContractualCapitalCommitments", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContractualCommitmentsForAcquisitionOfIntangibleAssets": { "auth_ref": [ "r200" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual commitments for the acquisition of intangible assets." } }, "en-us": { "role": { "label": "Contractual commitments for acquisition of intangible assets", "terseLabel": "Contractual commitments for the acquisition of intangible assets" } } }, "localname": "ContractualCommitmentsForAcquisitionOfIntangibleAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment": { "auth_ref": [ "r98" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual commitments for the acquisition of property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Contractual commitments for acquisition of property, plant and equipment", "terseLabel": "Contractual commitments for the acquisition of property, plant and equipment" } } }, "localname": "ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r119" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Contributions to plan by employer, net defined benefit liability (asset)", "verboseLabel": "Employer contributions" } } }, "localname": "ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r119" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 3.0, "parentTag": "tu_TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from contributions to a defined benefit plan by plan participants. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Contributions to plan by plan participants, net defined benefit liability (asset)", "verboseLabel": "Employees' contributions" } } }, "localname": "ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CorporateLoansMember": { "auth_ref": [ "r13", "r370", "r381" ], "lang": { "en": { "role": { "documentation": "This member stands for loans made to corporate entities." } }, "en-us": { "role": { "label": "Corporate debt securities" } } }, "localname": "CorporateLoansMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CostOfSales": { "auth_ref": [ "r2", "r67" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories." } }, "en-us": { "role": { "label": "Cost of sales", "terseLabel": "Costs of goods sold" } } }, "localname": "CostOfSales", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoriesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CostsToObtainContractsWithCustomersMember": { "auth_ref": [ "r291" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of assets recognised from the costs to obtain or fulfil contracts with customers representing the costs to obtain contracts with customers. [Refer: Assets recognised from costs to obtain or fulfil contracts with customers]" } }, "en-us": { "role": { "label": "Costs incurred to obtain contracts with customers" } } }, "localname": "CostsToObtainContractsWithCustomersMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CounterpartiesAxis": { "auth_ref": [ "r379" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Counterparties [axis]" } } }, "localname": "CounterpartiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CounterpartiesMember": { "auth_ref": [ "r379" ], "lang": { "en": { "role": { "documentation": "This member stands for the parties to the transaction other than the entity. It also represents the standard value for the 'Counterparties' axis if no other member is used." } }, "en-us": { "role": { "label": "Counterparties [member]" } } }, "localname": "CounterpartiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CountryOfDomicileMember": { "auth_ref": [ "r401", "r402" ], "lang": { "en": { "role": { "documentation": "This member stands for the country in which the entity is registered and where it has its legal address or registered office." } }, "en-us": { "role": { "label": "Canadian" } } }, "localname": "CountryOfDomicileMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrencyRiskMember": { "auth_ref": [ "r386", "r413", "r414", "r415", "r416" ], "lang": { "en": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in foreign exchange rates. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Currency risk" } } }, "localname": "CurrencyRiskMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrencySwapContractMember": { "auth_ref": [ "r13" ], "lang": { "en": { "role": { "documentation": "This member stands for a currency swap contract. [Refer: Swap contract [member]]" } }, "en-us": { "role": { "label": "Currency swap agreement" } } }, "localname": "CurrencySwapContractMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrentAccruedIncomeOtherThanCurrentContractAssets": { "auth_ref": [ "r31", "r44" ], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": 2.0, "parentTag": "tu_CurrentReceivablesFromContractsWithCustomersNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current accrued income other than current contract assets. [Refer: Accrued income other than contract assets]" } }, "en-us": { "role": { "label": "Current accrued income other than current contract assets", "terseLabel": "Accrued receivables - customer" } } }, "localname": "CurrentAccruedIncomeOtherThanCurrentContractAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentAssets": { "auth_ref": [ "r36", "r250", "r251" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]" } }, "en-us": { "role": { "label": "Current assets", "terseLabel": "Current assets", "totalLabel": "Total" } } }, "localname": "CurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current assets [abstract]", "terseLabel": "Current assets" } } }, "localname": "CurrentAssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "tu_IdentifiableAssetsAcquired", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for current assets acquired in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for current assets acquired in a business combination. [Refer: Current assets; Business combinations [member]]" } }, "en-us": { "role": { "label": "Current assets recognised as of acquisition date", "totalLabel": "Total current assets" } } }, "localname": "CurrentAssetsRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings": { "auth_ref": [ "r31" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Current borrowings and current portion of non-current borrowings", "terseLabel": "Current portion of 3.7% mortgage and senior secured 3.4% bonds" } } }, "localname": "CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "short-term borrowings" } } }, "localname": "CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_CurrentContractAssets": { "auth_ref": [ "r281" ], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetailss": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current contract assets. [Refer: Contract assets]" } }, "en-us": { "role": { "label": "Current contract assets", "terseLabel": "Contract assets", "totalLabel": "Current contract assets" } } }, "localname": "CurrentContractAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentContractLiabilities": { "auth_ref": [ "r281" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 1.0, "parentTag": "tu_AdvanceBillingsAndCustomerDeposits", "weight": 1.0 }, "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current contract liabilities. [Refer: Contract liabilities]" } }, "en-us": { "role": { "label": "Current contract liabilities", "totalLabel": "Contract liabilities" } } }, "localname": "CurrentContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentDepositsFromCustomers": { "auth_ref": [ "r31" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current deposits from customers. [Refer: Deposits from customers]" } }, "en-us": { "role": { "label": "Current deposits from customers", "terseLabel": "Sales contract deposits Payable" } } }, "localname": "CurrentDepositsFromCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentDerivativeFinancialAssets": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current derivative financial assets. [Refer: Derivative financial assets]" } }, "en-us": { "role": { "label": "Current derivative financial assets", "terseLabel": "Current derivative assets", "verboseLabel": "Current Assets, Fair value and carrying value" } } }, "localname": "CurrentDerivativeFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentDerivativeFinancialLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Current derivative financial liabilities", "terseLabel": "Current derivative liabilities", "verboseLabel": "Current Liabilities, Fair value and carrying value" } } }, "localname": "CurrentDerivativeFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentDividendPayables": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current dividend payables. [Refer: Dividend payables]" } }, "en-us": { "role": { "label": "Current dividend payables", "terseLabel": "Dividends payable" } } }, "localname": "CurrentDividendPayables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentFinancialAssets": { "auth_ref": [ "r348" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails": { "order": 1.0, "parentTag": "ifrs-full_FinancialAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current financial assets. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Current financial assets", "terseLabel": "Receivable account balances - Current" } } }, "localname": "CurrentFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilities": { "auth_ref": [ "r37", "r250", "r253" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Expiry date 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have an unconditional right to defer settlement for at least twelve months after the reporting period.\nEffective 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have the right at the end of the reporting period to defer settlement for at least twelve months after the reporting period." } }, "en-us": { "role": { "label": "Current liabilities", "terseLabel": "Current liabilities", "totalLabel": "Total" } } }, "localname": "CurrentLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current liabilities [abstract]", "terseLabel": "Current liabilities" } } }, "localname": "CurrentLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "tu_IdentifiableLiabilitiesAssumedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for current liabilities assumed in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for current liabilities assumed in a business combination. [Refer: Current liabilities; Business combinations [member]]" } }, "en-us": { "role": { "label": "Current liabilities recognised as of acquisition date", "totalLabel": "Total current liabilities" } } }, "localname": "CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentMember": { "auth_ref": [ "r362", "r382", "r437" ], "lang": { "en": { "role": { "documentation": "This member stands for a current time band." } }, "en-us": { "role": { "label": "Less than 30 days past billing date" } } }, "localname": "CurrentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_CurrentPortionOfLongtermBorrowings": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtDetails": { "order": 1.0, "parentTag": "tu_LongTermBorrowingsCurrentAndNonCurrent", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Current portion of non-current borrowings", "terseLabel": "Current maturities of long-term debt", "verboseLabel": "Current" } } }, "localname": "CurrentPortionOfLongtermBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentPrepayments": { "auth_ref": [ "r40" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 6.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current prepayments. [Refer: Prepayments]" } }, "en-us": { "role": { "label": "Current prepayments", "terseLabel": "Prepaid expenses" } } }, "localname": "CurrentPrepayments", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentReceivablesFromContractsWithCustomers": { "auth_ref": [ "r281" ], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": 3.0, "parentTag": "tu_CurrentReceivablesFromContractsWithCustomersNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current receivables from contracts with customers. [Refer: Receivables from contracts with customers]" } }, "en-us": { "role": { "label": "Current receivables from contracts with customers", "terseLabel": "Customer accounts receivable" } } }, "localname": "CurrentReceivablesFromContractsWithCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentServiceCostDefinedBenefitPlans": { "auth_ref": [ "r102" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The expense of employee service in the current period arising from defined benefit plans. [Refer: Post-employment benefit expense in profit or loss, defined benefit plans] [Contrast: Increase in net defined benefit liability (asset) resulting from current service cost]" } }, "en-us": { "role": { "label": "Current service cost, defined benefit plans", "terseLabel": "Current service cost" } } }, "localname": "CurrentServiceCostDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r112" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "tu_TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Current service cost, net defined benefit liability (asset)", "negatedLabel": "Benefits earned for current service" } } }, "localname": "CurrentServiceCostNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxAssetsCurrent": { "auth_ref": [ "r26" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 7.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The current amount of current tax assets. [Refer: Current tax assets]" } }, "en-us": { "role": { "label": "Current tax assets, current", "terseLabel": "Income and other taxes receivable" } } }, "localname": "CurrentTaxAssetsCurrent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxExpenseIncome": { "auth_ref": [ "r73" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 1.0, "parentTag": "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period." } }, "en-us": { "role": { "label": "Current tax expense (income)", "terseLabel": "For the current reporting period" } } }, "localname": "CurrentTaxExpenseIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods": { "auth_ref": [ "r78" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods]" } }, "en-us": { "role": { "label": "Current tax expense (income) and adjustments for current tax of prior periods", "totalLabel": "Total" } } }, "localname": "CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current tax expense (income) and adjustments for current tax of prior periods [abstract]", "terseLabel": "Current income tax expense" } } }, "localname": "CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_CurrentTaxLiabilitiesCurrent": { "auth_ref": [ "r26" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 7.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The current amount of current tax liabilities. [Refer: Current tax liabilities]" } }, "en-us": { "role": { "label": "Current tax liabilities, current", "terseLabel": "Income and other taxes payable" } } }, "localname": "CurrentTaxLiabilitiesCurrent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_CustomerrelatedIntangibleAssetsMember": { "auth_ref": [ "r198" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets representing assets related to customers. Such assets may include customer lists, order or production backlog, customer contracts and related customer relationships as well as non-contractual customer relationships." } }, "en-us": { "role": { "label": "Customer contracts and related customer relationships" } } }, "localname": "CustomerrelatedIntangibleAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets": { "auth_ref": [ "r124" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": 3.0, "parentTag": "ifrs-full_PlanAssetsAtFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Debt instruments, amount contributed to fair value of plan assets", "terseLabel": "Debt securities" } } }, "localname": "DebtInstrumentsAmountContributedToFairValueOfPlanAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DebtSecuritiesMember": { "auth_ref": [ "r272", "r275" ], "lang": { "en": { "role": { "documentation": "This member stands for instruments held by the entity that represent indebtedness." } }, "en-us": { "role": { "label": "Debt securities" } } }, "localname": "DebtSecuritiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DecreaseThroughWriteoffFinancialAssets": { "auth_ref": [ "r354", "r356", "r380" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The decrease in financial assets resulting from write-off. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Decrease through write-off, financial assets", "terseLabel": "Accounts written off less than recoveries" } } }, "localname": "DecreaseThroughWriteoffFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredIncomeIncludingContractLiabilities": { "auth_ref": [ "r31", "r44" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 1.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities representing income that has been received (or the amount is due) but is not yet earned, including contract liabilities. [Refer: Contract liabilities]" } }, "en-us": { "role": { "label": "Deferred income including contract liabilities", "totalLabel": "Deferred revenues" } } }, "localname": "DeferredIncomeIncludingContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxAssets": { "auth_ref": [ "r27", "r32", "r83" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 14.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]" } }, "en-us": { "role": { "label": "Deferred income taxes", "verboseLabel": "Deferred tax asset" } } }, "localname": "DeferredTaxAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxExpenseIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred tax expense (income) [abstract]", "terseLabel": "Deferred income tax expense" } } }, "localname": "DeferredTaxExpenseIncomeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": { "auth_ref": [ "r84" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]" } }, "en-us": { "role": { "label": "Deferred tax expense (income) recognized in profit or loss", "terseLabel": "Deferred income tax expense recognized in Net income", "totalLabel": "Total" } } }, "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences": { "auth_ref": [ "r75" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 1.0, "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of deferred tax expense or income relating to the creation or reversal of temporary differences. [Refer: Temporary differences [member]; Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Deferred tax expense (income) relating to origination and reversal of temporary differences", "terseLabel": "Arising from the origination and reversal of temporary differences" } } }, "localname": "DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes": { "auth_ref": [ "r76" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": 2.0, "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss", "weight": 1.0 }, "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 4.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of deferred tax expense or income relating to tax rate changes or the imposition of new taxes. [Refer: Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Deferred tax expense (income) relating to tax rate changes or imposition of new taxes", "terseLabel": "Revaluation of deferred income tax liability to reflect future income tax rates" } } }, "localname": "DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails", "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxLiabilities": { "auth_ref": [ "r27", "r32", "r83" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]" } }, "en-us": { "role": { "label": "Deferred tax liabilities", "terseLabel": "Deferred income taxes" } } }, "localname": "DeferredTaxLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for deferred tax liabilities assumed in a business combination. [Refer: Deferred tax liabilities; Business combinations [member]]" } }, "en-us": { "role": { "label": "Deferred tax liabilities recognised as of acquisition date", "terseLabel": "Deferred income taxes" } } }, "localname": "DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxLiabilityAsset": { "auth_ref": [ "r83" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]" } }, "en-us": { "role": { "label": "Deferred tax liability (asset)", "periodEndLabel": "Balance at end of period", "periodStartLabel": "Balance at beginning of period" } } }, "localname": "DeferredTaxLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity": { "auth_ref": [ "r79" ], "lang": { "en": { "role": { "documentation": "The amount of deferred tax related to items credited (charged) directly to equity. [Refer: Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Deferred tax relating to items credited (charged) directly to equity", "negatedLabel": "Deferred income taxes charged directly to owners' equity and other" } } }, "localname": "DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DefinedBenefitPlansAxis": { "auth_ref": [ "r107" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Defined benefit plans [axis]" } } }, "localname": "DefinedBenefitPlansAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DefinedBenefitPlansMember": { "auth_ref": [ "r107" ], "lang": { "en": { "role": { "documentation": "This member stands for post-employment benefit plans other than defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. It also represents the standard value for the 'Defined benefit plans' axis if no other member is used." } }, "en-us": { "role": { "label": "Defined benefit plans [member]" } } }, "localname": "DefinedBenefitPlansMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember": { "auth_ref": [ "r107" ], "lang": { "en": { "role": { "documentation": "This member stands for defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control. [Refer: Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Pension plans" } } }, "localname": "DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DepositsFromCustomers": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 3.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of deposit liabilities from customers held by the entity." } }, "en-us": { "role": { "label": "Deposits from customers", "terseLabel": "Customer deposits" } } }, "localname": "DepositsFromCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationAndAmortisationExpense": { "auth_ref": [ "r1", "r3", "r67", "r260", "r391", "r398" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives." } }, "en-us": { "role": { "label": "Depreciation and amortization expense", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortisationExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationPropertyPlantAndEquipment": { "auth_ref": [ "r94", "r99" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 3.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Depreciation, property, plant and equipment", "terseLabel": "Depreciation" } } }, "localname": "DepreciationPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DepreciationRatePropertyPlantAndEquipment": { "auth_ref": [ "r89" ], "lang": { "en": { "role": { "documentation": "The depreciation rate used for property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Depreciation rate, property, plant and equipment", "terseLabel": "Composite depreciation rate" } } }, "localname": "DepreciationRatePropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DerivativeFinancialAssets": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 12.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]" } }, "en-us": { "role": { "label": "Derivative financial assets", "terseLabel": "Derivative assets" } } }, "localname": "DerivativeFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DerivativeFinancialLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 7.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]" } }, "en-us": { "role": { "label": "Derivative financial liabilities", "terseLabel": "Derivative liabilities" } } }, "localname": "DerivativeFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DerivativeFinancialLiabilitiesUndiscountedCashFlows": { "auth_ref": [ "r365" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails": { "order": 4.0, "parentTag": "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Derivative financial liabilities, undiscounted cash flows", "terseLabel": "Contractual maturities, derivative liabilities" } } }, "localname": "DerivativeFinancialLiabilitiesUndiscountedCashFlows", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DerivativesMember": { "auth_ref": [ "r272", "r275", "r370", "r385" ], "lang": { "en": { "role": { "documentation": "This member stands for financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the \u2018underlying\u2019); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Derivatives" } } }, "localname": "DerivativesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForCustomerAcquisitionCostsExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for costs related to acquisition of customers." } }, "en-us": { "role": { "label": "Description of accounting policy for customer acquisition costs [text block]", "terseLabel": "Cost of acquisition and advertising costs" } } }, "localname": "DescriptionOfAccountingPolicyForCustomerAcquisitionCostsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForDepreciationExpenseExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for depreciation expense. [Refer: Depreciation and amortisation expense]" } }, "en-us": { "role": { "label": "Description of accounting policy for depreciation expense [text block]", "terseLabel": "Depreciation, amortization and impairment" } } }, "localname": "DescriptionOfAccountingPolicyForDepreciationExpenseExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for employee benefits. Employee benefits are all forms of consideration given by an entity in exchange for services rendered by employees or for the termination of employment." } }, "en-us": { "role": { "label": "Description of accounting policy for employee benefits [text block]", "terseLabel": "Employee future benefit plans" } } }, "localname": "DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for financial instruments. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for financial instruments [text block]", "terseLabel": "Financial instruments - recognition and measurement" } } }, "localname": "DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for foreign currency translation." } }, "en-us": { "role": { "label": "Description of accounting policy for foreign currency translation [text block]", "terseLabel": "Translation of foreign currencies" } } }, "localname": "DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants": { "auth_ref": [ "r141" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for government grants, including the methods of presentation adopted in the financial statements. [Refer: Government [member]; Government grants]" } }, "en-us": { "role": { "label": "Description Of Accounting Policy For Government Grants Explanatory [Policy Text Block]", "terseLabel": "Government assistance" } } }, "localname": "DescriptionOfAccountingPolicyForGovernmentGrants", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForHedgingExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for hedging." } }, "en-us": { "role": { "label": "Description of accounting policy for hedging [text block]", "terseLabel": "Hedge accounting" } } }, "localname": "DescriptionOfAccountingPolicyForHedgingExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for income tax." } }, "en-us": { "role": { "label": "Description of accounting policy for income tax [text block]", "terseLabel": "Income and other taxes" } } }, "localname": "DescriptionOfAccountingPolicyForIncomeTaxExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for leases. A lease is an agreement whereby the lessor conveys to the lessee in return for a payment or series of payments the right to use an asset for an agreed period of time." } }, "en-us": { "role": { "label": "Description of accounting policy for leases [text block]", "terseLabel": "Leases" } } }, "localname": "DescriptionOfAccountingPolicyForLeasesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories": { "auth_ref": [ "r139" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for measuring inventories. [Refer: Inventories]" } }, "en-us": { "role": { "label": "Description of accounting policy for measuring inventories [text block]", "terseLabel": "Inventories" } } }, "localname": "DescriptionOfAccountingPolicyForMeasuringInventories", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Description of accounting policy for property, plant and equipment [text block]", "terseLabel": "Property, plant and equipment; intangible assets" } } }, "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for recognising revenue. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Description of accounting policy for recognition of revenue [text block]", "terseLabel": "Revenue recognition" } } }, "localname": "DescriptionOfAccountingPolicyForRecognitionOfRevenue", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for research and development expense. [Refer: Research and development expense]" } }, "en-us": { "role": { "label": "Description of accounting policy for research and development expense [text block]", "terseLabel": "Research and development" } } }, "localname": "DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]" } }, "en-us": { "role": { "label": "Description of accounting policy for share-based payment transactions [text block]", "terseLabel": "Share-based compensation" } } }, "localname": "DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory": { "auth_ref": [ "r14" ], "lang": { "en": { "role": { "documentation": "The description of the entity's accounting policy for trade and other receivables. [Refer: Trade and other receivables]" } }, "en-us": { "role": { "label": "Description of accounting policy for trade and other receivables [text block]", "terseLabel": "Sales of trade receivables" } } }, "localname": "DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections": { "auth_ref": [ "r173", "r175" ], "lang": { "en": { "role": { "documentation": "The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]" } }, "en-us": { "role": { "label": "Discount rate applied to cash flow projections", "terseLabel": "Discount rates applied to cash flow projections" } } }, "localname": "DescriptionOfDiscountRatesAppliedToCashFlowProjections", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": { "auth_ref": [ "r317" ], "lang": { "en": { "role": { "documentation": "The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time." } }, "en-us": { "role": { "label": "Expected volatility, share options granted", "verboseLabel": "Expected volatility" } } }, "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections": { "auth_ref": [ "r172", "r174" ], "lang": { "en": { "role": { "documentation": "The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]" } }, "en-us": { "role": { "label": "Growth rate used to extrapolate cash flow projections", "terseLabel": "Growth rates applied to cash flow projections" } } }, "localname": "DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DescriptionOfOptionLifeShareOptionsGranted": { "auth_ref": [ "r317" ], "lang": { "en": { "role": { "documentation": "The option life of share options granted." } }, "en-us": { "role": { "label": "Option life, share options granted", "terseLabel": "Expected lives(1) (years)" } } }, "localname": "DescriptionOfOptionLifeShareOptionsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": { "auth_ref": [ "r317" ], "lang": { "en": { "role": { "documentation": "The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]" } }, "en-us": { "role": { "label": "Risk free interest rate, share options granted", "terseLabel": "Risk free interest rate" } } }, "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_DilutedEarningsLossPerShare": { "auth_ref": [ "r161", "r162" ], "lang": { "en": { "role": { "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Diluted earnings (loss) per share", "terseLabel": "Diluted" } } }, "localname": "DilutedEarningsLossPerShare", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "perShareItemType" }, "ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares": { "auth_ref": [ "r163" ], "calculation": { "http://www.telus.com/role/DisclosurePerShareAmountsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en": { "role": { "documentation": "The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options." } }, "en-us": { "role": { "label": "Dilutive effect of share options on number of ordinary shares", "totalLabel": "Diluted total weighted average number of Common Shares outstanding" } } }, "localname": "DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]]" } }, "en-us": { "role": { "label": "Disclosure of accounting judgements and estimates [text block]", "terseLabel": "Use of estimates and judgments" } } }, "localname": "DisclosureOfAccountingJudgementsAndEstimatesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of the allowance relating to impairments of financial assets due to credit losses. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Disclosure of allowance for credit losses [text block]", "terseLabel": "Summary of activity related to the allowance for doubtful accounts" } } }, "localname": "DisclosureOfAllowanceForCreditLossesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "other comprehensive income" } } }, "localname": "DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory": { "auth_ref": [ "r11" ], "lang": { "en": { "role": { "documentation": "The entire disclosure of the analysis of other comprehensive income by item." } }, "en-us": { "role": { "label": "Disclosure of analysis of other comprehensive income by item [text block]", "terseLabel": "other comprehensive income" } } }, "localname": "DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncome" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of analysis of other comprehensive income by item [line items]" } } }, "localname": "DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable": { "auth_ref": [ "r11" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the analysis of other comprehensive income by item." } }, "en-us": { "role": { "label": "Disclosure of analysis of other comprehensive income by item [table]" } } }, "localname": "DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]" } } }, "localname": "DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable": { "auth_ref": [ "r291" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to assets recognised from the costs to obtain or fulfil contracts with customers." } }, "en-us": { "role": { "label": "Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [table]" } } }, "localname": "DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of the basis used for consolidation." } }, "en-us": { "role": { "label": "Consolidation, Policy [Policy Text Block]", "terseLabel": "Consolidation" } } }, "localname": "DisclosureOfBasisOfConsolidationExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfBorrowingsExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Disclosure of borrowings [text block]", "terseLabel": "short-term borrowings" } } }, "localname": "DisclosureOfBorrowingsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowings" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfBusinessCombinationsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of detailed information about business combination", "terseLabel": "Business acquisition" } } }, "localname": "DisclosureOfBusinessCombinationsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfBusinessCombinationsTable": { "auth_ref": [ "r331" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of business combinations." } }, "en-us": { "role": { "label": "Disclosure of detailed information about business combination [table]" } } }, "localname": "DisclosureOfBusinessCombinationsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfCashFlowStatementExplanatory": { "auth_ref": [ "r230" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for a statement of cash flows." } }, "en-us": { "role": { "label": "Disclosure of cash flow statement [text block]", "terseLabel": "additional statement of cash flow information" } } }, "localname": "DisclosureOfCashFlowStatementExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory": { "auth_ref": [ "r236" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for changes in accounting policies, accounting estimates and errors." } }, "en-us": { "role": { "label": "Disclosure of changes in accounting policies, accounting estimates and errors [text block]", "terseLabel": "accounting policy developments" } } }, "localname": "DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountingPolicyDevelopments" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "owners' equity" } } }, "localname": "DisclosureOfClassesOfShareCapitalAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory": { "auth_ref": [ "r48" ], "lang": { "en": { "role": { "documentation": "The disclosure of classes of share capital. [Refer: Share capital [member]]" } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [text block]", "terseLabel": "Schedule of authorized share capital" } } }, "localname": "DisclosureOfClassesOfShareCapitalExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [line items]", "terseLabel": "Common Share capital" } } }, "localname": "DisclosureOfClassesOfShareCapitalLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfClassesOfShareCapitalTable": { "auth_ref": [ "r48" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to classes of share capital." } }, "en-us": { "role": { "label": "Disclosure of classes of share capital [table]" } } }, "localname": "DisclosureOfClassesOfShareCapitalTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfContingentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "contingent liabilities" } } }, "localname": "DisclosureOfContingentLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfContingentLiabilitiesExplanatory": { "auth_ref": [ "r186" ], "lang": { "en": { "role": { "documentation": "The disclosure of contingent liabilities. [Refer: Contingent liabilities [member]]" } }, "en-us": { "role": { "label": "Disclosure of contingent liabilities [text block]", "verboseLabel": "contingent liabilities" } } }, "localname": "DisclosureOfContingentLiabilitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilities" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfContingentLiabilitiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of contingent liabilities [line items]" } } }, "localname": "DisclosureOfContingentLiabilitiesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfContingentLiabilitiesTable": { "auth_ref": [ "r186" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to contingent liabilities." } }, "en-us": { "role": { "label": "Disclosure of contingent liabilities [table]" } } }, "localname": "DisclosureOfContingentLiabilitiesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfCreditRiskExposureExplanatory": { "auth_ref": [ "r361" ], "lang": { "en": { "role": { "documentation": "The disclosure of the credit risk exposure. Credit risk exposure is the credit risk inherent in an entity\u2019s financial assets and commitments to extend credit." } }, "en-us": { "role": { "label": "Disclosure of credit risk exposure [text block]", "terseLabel": "Schedule of maximum exposure (excluding income tax effects) to credit risk" } } }, "localname": "DisclosureOfCreditRiskExposureExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDeferredTaxesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets]" } }, "en-us": { "role": { "label": "Disclosure of deferred taxes [text block]", "terseLabel": "Temporary differences" } } }, "localname": "DisclosureOfDeferredTaxesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDefinedBenefitPlansLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of defined benefit plans [line items]", "terseLabel": "employee future benefits" } } }, "localname": "DisclosureOfDefinedBenefitPlansLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDefinedBenefitPlansTable": { "auth_ref": [ "r107" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to defined benefit plans." } }, "en-us": { "role": { "label": "Disclosure of defined benefit plans [table]" } } }, "localname": "DisclosureOfDefinedBenefitPlansTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDepositsFromCustomersExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of deposits from customers. [Refer: Deposits from customers]" } }, "en-us": { "role": { "label": "Disclosure of deposits from customers [text block]", "terseLabel": "advance billings and customer deposits" } } }, "localname": "DisclosureOfDepositsFromCustomersExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of depreciation and amortisation expense. [Refer: Depreciation and amortisation expense]" } }, "en-us": { "role": { "label": "Disclosure of depreciation and amortization expense [text block]", "terseLabel": "Schedule of useful lives of property, plant, and equipment, right-of-use lease assets and intangible assets" } } }, "localname": "DisclosureOfDepreciationAndAmortisationExpenseExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of derivative financial instruments. [Refer: Derivatives [member]]" } }, "en-us": { "role": { "label": "Disclosure of derivative financial instruments [text block]", "terseLabel": "Schedule of derivative financial instruments measured at fair value on a recurring basis" } } }, "localname": "DisclosureOfDerivativeFinancialInstrumentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "long-term debt" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about borrowings [text block]", "terseLabel": "Schedule of details of long-term debt" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of detailed information about borrowings", "terseLabel": "long-term debt", "verboseLabel": "Long-term debt maturities" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of borrowings." } }, "en-us": { "role": { "label": "Disclosure of detailed information about borrowings [table]" } } }, "localname": "DisclosureOfDetailedInformationAboutBorrowingsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory": { "auth_ref": [ "r337" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about business combinations. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about business combinations [text block]", "terseLabel": "Schedule of acquisition-date fair values assigned to the assets acquired and liabilities assumed" } } }, "localname": "DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of detailed information about hedging instruments [line items]", "terseLabel": "Currency risk" } } }, "localname": "DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r97" ], "lang": { "en": { "role": { "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [text block]", "terseLabel": "Schedule of property, plant and equipment" } } }, "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfDividendsExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of dividends. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital." } }, "en-us": { "role": { "label": "Disclosure of dividends [text block]", "terseLabel": "dividends per share" } } }, "localname": "DisclosureOfDividendsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShare" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEarningsPerShareExplanatory": { "auth_ref": [ "r164" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for earnings per share." } }, "en-us": { "role": { "label": "Disclosure of earnings per share", "terseLabel": "per share amounts" } } }, "localname": "DisclosureOfEarningsPerShareExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmounts" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory": { "auth_ref": [ "r246" ], "lang": { "en": { "role": { "documentation": "The disclosure of a schedule that shows the effects of any changes in the parent's ownership interest in a subsidiary that do not result in a loss of control on the equity attributable to owners of the parent." } }, "en-us": { "role": { "label": "DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory", "terseLabel": "Schedule of changes in ownership interest" } } }, "localname": "DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEmployeeBenefitsExplanatory": { "auth_ref": [ "r138" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for employee benefits." } }, "en-us": { "role": { "label": "Disclosure of employee benefits [text block]", "terseLabel": "employee benefits expense" } } }, "localname": "DisclosureOfEmployeeBenefitsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpense" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": { "auth_ref": [ "r406" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for operating segments." } }, "en-us": { "role": { "label": "Disclosure of entity's operating segments [text block]", "terseLabel": "segment information" } } }, "localname": "DisclosureOfEntitysReportableSegmentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory": { "auth_ref": [ "r127" ], "lang": { "en": { "role": { "documentation": "The disclosure of the fair value of defined benefit plan assets. [Refer: Plan assets [member]; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Disclosure of fair value of plan assets [text block]", "terseLabel": "Summary of fair value measurements of our defined benefit pension plan assets" } } }, "localname": "DisclosureOfFairValueOfPlanAssetsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of fair value of plan assets [line items]", "terseLabel": "Fair value measurements" } } }, "localname": "DisclosureOfFairValueOfPlanAssetsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFairValueOfPlanAssetsTable": { "auth_ref": [ "r127" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the fair value of defined benefit plan assets." } }, "en-us": { "role": { "label": "Disclosure of fair value of plan assets [table]" } } }, "localname": "DisclosureOfFairValueOfPlanAssetsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialAssetsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of financial assets [line items]", "terseLabel": "Credit risk" } } }, "localname": "DisclosureOfFinancialAssetsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialAssetsTable": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to financial assets." } }, "en-us": { "role": { "label": "Disclosure of financial assets [table]" } } }, "localname": "DisclosureOfFinancialAssetsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "financial instruments" } } }, "localname": "DisclosureOfFinancialInstrumentsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": { "auth_ref": [ "r387" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for financial instruments." } }, "en-us": { "role": { "label": "Disclosure of financial instruments [text block]", "terseLabel": "financial instruments" } } }, "localname": "DisclosureOfFinancialInstrumentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstruments" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments" } } }, "localname": "DisclosureOfFinancialInstrumentsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialInstrumentsTable": { "auth_ref": [ "r349", "r359", "r371" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of financial instruments." } }, "en-us": { "role": { "label": "Disclosure of detailed information about financial instruments [table]" } } }, "localname": "DisclosureOfFinancialInstrumentsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "The disclosure of financial liabilities. [Refer: Financial liabilities]" } }, "en-us": { "role": { "label": "Disclosure of financial liabilities [text block]", "terseLabel": "Schedule of long-term debt amortized cost and fair value" } } }, "localname": "DisclosureOfFinancialLiabilitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfFinancialLiabilitiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of financial liabilities [line items]", "terseLabel": "Liquidity risk" } } }, "localname": "DisclosureOfFinancialLiabilitiesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfFinancialLiabilitiesTable": { "auth_ref": [ "r371" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to financial liabilities." } }, "en-us": { "role": { "label": "Disclosure of financial liabilities [table]" } } }, "localname": "DisclosureOfFinancialLiabilitiesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIncomeTaxExplanatory": { "auth_ref": [ "r86" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for income taxes." } }, "en-us": { "role": { "label": "Disclosure of income tax [text block]", "terseLabel": "income taxes" } } }, "localname": "DisclosureOfIncomeTaxExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxes" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory": { "auth_ref": [ "r318" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's share options." } }, "en-us": { "role": { "label": "Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]", "verboseLabel": "Schedule of weighted average fair value of share option award granted" } } }, "localname": "DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory": { "auth_ref": [ "r347" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about amounts that affected the statement of comprehensive income as a result of hedge accounting." } }, "en-us": { "role": { "label": "Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [text block]", "terseLabel": "Schedule of gains and losses, excluding income tax effects, on derivative instruments classified as cash flow hedging items" } } }, "localname": "DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationAboutEmployeesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about employees." } }, "en-us": { "role": { "label": "Disclosure of information about employees [text block]", "verboseLabel": "Schedule of employee benefit expense" } } }, "localname": "DisclosureOfInformationAboutEmployeesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Disclosure of information about key management personnel [text block]", "terseLabel": "Summary of transactions with key management personnel" } } }, "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of information for cash-generating units [line items]", "terseLabel": "Disclosure of information for cash-generating units" } } }, "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable": { "auth_ref": [ "r176" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to cash-generating units." } }, "en-us": { "role": { "label": "Disclosure of information for cash-generating units [table]" } } }, "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of initial application of standards or interpretations" } } }, "localname": "DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable": { "auth_ref": [ "r233" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the initial application of standards or interpretations." } }, "en-us": { "role": { "label": "Disclosure of initial application of standards or interpretations [table]" } } }, "localname": "DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "intangible assets and goodwill" } } }, "localname": "DisclosureOfIntangibleAssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsExplanatory": { "auth_ref": [ "r201" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for intangible assets." } }, "en-us": { "role": { "label": "Disclosure of intangible assets [text block]", "terseLabel": "intangible assets and goodwill" } } }, "localname": "DisclosureOfIntangibleAssetsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Useful Lives of Intangible Assets Other Than Goodwill" } } }, "localname": "DisclosureOfIntangibleAssetsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfIntangibleAssetsTable": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of intangible assets." } }, "en-us": { "role": { "label": "Disclosure of detailed information about intangible assets [table]" } } }, "localname": "DisclosureOfIntangibleAssetsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfJointVenturesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of joint ventures [abstract]", "terseLabel": "Real estate joint ventures" } } }, "localname": "DisclosureOfJointVenturesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfJointVenturesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "real estate joint venture", "terseLabel": "Real estate joint ventures" } } }, "localname": "DisclosureOfJointVenturesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfJointVenturesTable": { "auth_ref": [ "r157", "r159", "r265" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to joint ventures." } }, "en-us": { "role": { "label": "Disclosure of joint ventures [table]" } } }, "localname": "DisclosureOfJointVenturesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfLeasesExplanatory": { "auth_ref": [ "r304", "r305" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for leases." } }, "en-us": { "role": { "label": "Disclosure of leases [text block]", "terseLabel": "leases" } } }, "localname": "DisclosureOfLeasesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeases" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory": { "auth_ref": [ "r349" ], "lang": { "en": { "role": { "documentation": "The disclosure of information that enables users of financial statements to evaluate the nature and extent of risks arising from financial instruments to which the entity is exposed. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Disclosure of nature and extent of risks arising from financial instruments [text block]", "terseLabel": "Schedule of financial instruments, accounting classification and the nature of certain risks to which they may be subject" } } }, "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of nature and extent of risks arising from financial instruments [line items]", "terseLabel": "Market risks" } } }, "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable": { "auth_ref": [ "r351", "r352" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the nature and extent of risks arising from financial instruments." } }, "en-us": { "role": { "label": "Disclosure of nature and extent of risks arising from financial instruments [table]" } } }, "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disclosure of net defined benefit liability (asset) [abstract]", "terseLabel": "PLAN ACCOUNT BALANCES" } } }, "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory": { "auth_ref": [ "r111" ], "lang": { "en": { "role": { "documentation": "The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Disclosure of net defined benefit liability (asset) [text block]", "terseLabel": "Schedule of defined benefit pension plans funded status" } } }, "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of net defined benefit liability (asset) [line items]", "terseLabel": "Defined benefit pension plans - funded status overview" } } }, "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable": { "auth_ref": [ "r111" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the net defined benefit liability (asset)." } }, "en-us": { "role": { "label": "Disclosure of net defined benefit liability (asset) [table]" } } }, "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of notes and other explanatory information as part of a complete set of financial statements." } }, "en-us": { "role": { "label": "Disclosure of notes and other explanatory information [text block]", "verboseLabel": "notes to consolidated financial statements" } } }, "localname": "DisclosureOfNotesAndOtherExplanatoryInformationExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatements" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options)." } }, "en-us": { "role": { "label": "Disclosure of number and weighted average exercise prices of other equity instruments [text block]", "terseLabel": "Disclosure of restricted share units" } } }, "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": { "auth_ref": [ "r314" ], "lang": { "en": { "role": { "documentation": "The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Disclosure of number and weighted average exercise prices of share options [text block]", "terseLabel": "Disclosure of stock options" } } }, "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "capital structure financial policies" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory": { "auth_ref": [ "r16" ], "lang": { "en": { "role": { "documentation": "The disclosure of information that enables users of financial statements to evaluate the entity's objectives, policies and processes for managing capital." } }, "en-us": { "role": { "label": "Disclosure of objectives, policies and processes for managing capital [text block]", "terseLabel": "capital structure financial policies" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of objectives, policies and processes for managing capital [line items]", "terseLabel": "Components of debt and coverage ratios" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable": { "auth_ref": [ "r17" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the objectives, policies and processes for managing capital." } }, "en-us": { "role": { "label": "Disclosure of objectives, policies and processes for managing capital [table]" } } }, "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "segment information" } } }, "localname": "DisclosureOfOperatingSegmentsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of operating segments [Line items]", "terseLabel": "Disclosure of operating segments" } } }, "localname": "DisclosureOfOperatingSegmentsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOperatingSegmentsTable": { "auth_ref": [ "r393" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to operating segments." } }, "en-us": { "role": { "label": "Disclosure of operating segments [table]" } } }, "localname": "DisclosureOfOperatingSegmentsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of other non-current liabilities. [Refer: Other non-current liabilities]" } }, "en-us": { "role": { "label": "Disclosure of other non-current liabilities [text block]", "terseLabel": "Schedule of other long-term liabilities" } } }, "localname": "DisclosureOfOtherNoncurrentLiabilitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of other operating income. [Refer: Other operating income (expense)]" } }, "en-us": { "role": { "label": "disclosure of other operating income", "terseLabel": "other income" } } }, "localname": "DisclosureOfOtherOperatingIncomeExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncome" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOtherProvisionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "provisions" } } }, "localname": "DisclosureOfOtherProvisionsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory": { "auth_ref": [ "r188" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for other provisions, contingent liabilities and contingent assets." } }, "en-us": { "role": { "label": "Disclosure of other provisions, contingent liabilities and contingent assets [text block]", "terseLabel": "provisions" } } }, "localname": "DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisions" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOtherProvisionsExplanatory": { "auth_ref": [ "r184" ], "lang": { "en": { "role": { "documentation": "The disclosure of other provisions. [Refer: Other provisions]" } }, "en-us": { "role": { "label": "Disclosure of other provisions", "terseLabel": "Schedule of other provisions" } } }, "localname": "DisclosureOfOtherProvisionsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfOtherProvisionsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of other provisions [line items]", "terseLabel": "provisions" } } }, "localname": "DisclosureOfOtherProvisionsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfOtherProvisionsTable": { "auth_ref": [ "r184" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to other provisions." } }, "en-us": { "role": { "label": "Disclosure of other provisions [table]" } } }, "localname": "DisclosureOfOtherProvisionsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "property, plant and equipment" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": { "auth_ref": [ "r101" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for property, plant and equipment." } }, "en-us": { "role": { "label": "Disclosure of property, plant and equipment [text block]", "terseLabel": "property, plant and equipment" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Useful Lives of Property, Plant, and Equipment", "terseLabel": "property, plant and equipment" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r97" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to details of property, plant and equipment." } }, "en-us": { "role": { "label": "Disclosure of detailed information about property, plant and equipment [table]", "terseLabel": "property, plant and equipment [table]" } } }, "localname": "DisclosureOfPropertyPlantAndEquipmentTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "leases" } } }, "localname": "DisclosureOfQuantitativeInformationAboutLeasesForLesseeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": { "auth_ref": [ "r301" ], "lang": { "en": { "role": { "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [text block]", "terseLabel": "Schedule of income from subleasing right-of-use lease assets and lease payments" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeasesTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of quantitative information about right-of-use assets [line items]", "terseLabel": "leases" } } }, "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill]" } }, "en-us": { "role": { "label": "Disclosure of reconciliation of changes in intangible assets and goodwill [text block]", "terseLabel": "Schedule of Intangible assets and goodwill, net" } } }, "localname": "DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of reconciliation of changes in intangible assets and goodwill [line items]", "terseLabel": "intangible assets and goodwill" } } }, "localname": "DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the reconciliation of changes in intangible assets and goodwill." } }, "en-us": { "role": { "label": "Disclosure of reconciliation of changes in intangible assets and goodwill [table]" } } }, "localname": "DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of reconciliation of liabilities arising from financing activities [line items]", "terseLabel": "Disclosure of reconciliation of liabilities arising from financing activities" } } }, "localname": "DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable": { "auth_ref": [ "r225" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the reconciliation of liabilities arising from financing activities." } }, "en-us": { "role": { "label": "Disclosure of reconciliation of liabilities arising from financing activities [table]" } } }, "localname": "DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfRelatedPartyExplanatory": { "auth_ref": [ "r154" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for related parties." } }, "en-us": { "role": { "label": "Disclosure of related party [text block]", "terseLabel": "related party transactions" } } }, "localname": "DisclosureOfRelatedPartyExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory": { "auth_ref": [ "r295", "r296" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for revenue from contracts with customers." } }, "en-us": { "role": { "label": "Disclosure of revenue from contracts with customers [text block]", "terseLabel": "revenue from contracts with customers" } } }, "localname": "DisclosureOfRevenueFromContractsWithCustomersExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomers" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory": { "auth_ref": [ "r130" ], "lang": { "en": { "role": { "documentation": "The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value]" } }, "en-us": { "role": { "label": "Disclosure of sensitivity analysis for actuarial assumptions [text block]", "terseLabel": "Summary of significant weighted average actuarial assumptions in measuring defined benefit obligations and the sensitivity of key assumptions" } } }, "localname": "DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": { "auth_ref": [ "r49" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for share capital, reserves and other equity interest." } }, "en-us": { "role": { "label": "Disclosure of share capital, reserves and other equity interest [text block]", "terseLabel": "owners' equity" } } }, "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquity" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory": { "auth_ref": [ "r306" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for share-based payment arrangements." } }, "en-us": { "role": { "label": "Disclosure of share-based payment arrangements [text block]", "terseLabel": "share-based compensation" } } }, "localname": "DisclosureOfSharebasedPaymentArrangementsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensation" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of associates [line items]", "terseLabel": "Disclosure of associates" } } }, "localname": "DisclosureOfSignificantInvestmentsInAssociatesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable": { "auth_ref": [ "r157", "r159", "r266" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to associates." } }, "en-us": { "role": { "label": "Disclosure of associates [table]" } } }, "localname": "DisclosureOfSignificantInvestmentsInAssociatesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory": { "auth_ref": [ "r157", "r159", "r264" ], "lang": { "en": { "role": { "documentation": "The disclosure of subsidiaries. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [text block]", "terseLabel": "Schedule of summarized financial information of Subsidiary with significant non-controlling interest" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [line items]", "terseLabel": "Subsidiary with significant non-controlling interest" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable": { "auth_ref": [ "r157", "r159", "r264" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to subsidiaries." } }, "en-us": { "role": { "label": "Disclosure of subsidiaries [table]" } } }, "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfSignificantJudgementsAndAssumptionsMadeInRelationToInterestsInOtherEntitiesExplanatory": { "auth_ref": [ "r249" ], "lang": { "en": { "role": { "documentation": "The disclosure of significant judgements and assumptions made in relation to interests in other entities." } }, "en-us": { "role": { "label": "Disclosure of significant judgements and assumptions made in relation to interests in other entities [text block]", "terseLabel": "Investments" } } }, "localname": "DisclosureOfSignificantJudgementsAndAssumptionsMadeInRelationToInterestsInOtherEntitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory": { "auth_ref": [ "r15" ], "lang": { "en": { "role": { "documentation": "The entire disclosure for significant accounting policies applied by the entity." } }, "en-us": { "role": { "label": "Disclosure of summary of significant accounting policies", "terseLabel": "summary of significant accounting policies" } } }, "localname": "DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]", "terseLabel": "Temporary differences", "verboseLabel": "Other" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to temporary differences, unused tax losses and unused tax credits." } }, "en-us": { "role": { "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]" } } }, "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "share-based compensation" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of terms and conditions of share-based payment arrangement [line items]", "terseLabel": "share-based compensation" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements." } }, "en-us": { "role": { "label": "Disclosure of terms and conditions of share-based payment arrangement [Table]" } } }, "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory": { "auth_ref": [ "r0" ], "lang": { "en": { "role": { "documentation": "The disclosure of trade and other payables. [Refer: Trade and other payables]" } }, "en-us": { "role": { "label": "Disclosure of trade and other payables [text block]", "terseLabel": "accounts payable and accrued liabilities" } } }, "localname": "DisclosureOfTradeAndOtherPayablesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilities" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory": { "auth_ref": [ "r290" ], "lang": { "en": { "role": { "documentation": "The disclosure of the transaction price allocated to the remaining performance obligations in contracts with customers." } }, "en-us": { "role": { "label": "Disclosure of transaction price allocated to remaining performance obligations [text block]", "terseLabel": "Schedule of revenues" } } }, "localname": "DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of transaction price allocated to remaining performance obligations [line items]", "terseLabel": "Disclosure of transaction price allocated to remaining performance obligations" } } }, "localname": "DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsTable": { "auth_ref": [ "r290" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to the transaction price allocated to the remaining performance obligations in contracts with customers." } }, "en-us": { "role": { "label": "Disclosure of transaction price allocated to remaining performance obligations [table]" } } }, "localname": "DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "related party transactions" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Disclosure of transactions between related parties [line items]", "terseLabel": "Transactions with key management personnel" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": { "auth_ref": [ "r152" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to transactions between related parties." } }, "en-us": { "role": { "label": "Disclosure of transactions between related parties [table]" } } }, "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesExplanatory": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "The disclosure of unconsolidated structured entities. [Refer: Unconsolidated structured entities [member]]" } }, "en-us": { "role": { "label": "Disclosure of unconsolidated structured entities [text block]", "terseLabel": "real estate joint ventures and investment in associate" } } }, "localname": "DisclosureOfUnconsolidatedStructuredEntitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociate" ], "xbrltype": "textBlockItemType" }, "ifrs-full_DividendsPaidClassifiedAsFinancingActivities": { "auth_ref": [ "r220" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for dividends paid by the entity, classified as financing activities." } }, "en-us": { "role": { "label": "Dividends paid, classified as financing activities", "negatedLabel": "Dividends paid to holders of Common Shares" } } }, "localname": "DividendsPaidClassifiedAsFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_DividendsPaidOrdinarySharesPerShare": { "auth_ref": [ "r165" ], "lang": { "en": { "role": { "documentation": "The amount of dividends paid per ordinary share." } }, "en-us": { "role": { "label": "Dividends paid, ordinary shares per share", "terseLabel": "Dividends per share" } } }, "localname": "DividendsPaidOrdinarySharesPerShare", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent": { "auth_ref": [ "r9" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of dividends recognised as distributions to owners of the parent. [Refer: Parent [member]]" } }, "en-us": { "role": { "label": "Dividends recognised as distributions to owners of parent", "totalLabel": "TELUS Corporation Common Share dividends declared" } } }, "localname": "DividendsRecognisedAsDistributionsToOwnersOfParent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings per share [abstract]", "terseLabel": "NET INCOME PER COMMON SHARE" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_EarningsPerShareExplanatory": { "auth_ref": [ "r161" ], "lang": { "en": { "role": { "documentation": "The disclosure of earnings per share." } }, "en-us": { "role": { "label": "Earnings per share [text block]", "terseLabel": "Schedule of the reconciliations of the denominators of the basic and diluted per share computations" } } }, "localname": "EarningsPerShareExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_EarningsPerShareLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "earnings per share amounts", "terseLabel": "earnings per share amounts" } } }, "localname": "EarningsPerShareLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosurePerShareAmountsTables" ], "xbrltype": "stringItemType" }, "ifrs-full_EarningsPerShareTable": { "auth_ref": [ "r161" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to earnings per share." } }, "en-us": { "role": { "label": "Earnings per share [table]" } } }, "localname": "EarningsPerShareTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosurePerShareAmountsTables" ], "xbrltype": "stringItemType" }, "ifrs-full_EffectOfAssetCeilingMember": { "auth_ref": [ "r110" ], "lang": { "en": { "role": { "documentation": "This member stands for the effect of asset ceiling in a defined benefit plan. Asset ceiling is the present value of any economic benefits available in the form of refunds from the defined benefit plan or reductions in future contributions to the defined benefit plan. [Refer: Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Effect of asset ceiling limit" } } }, "localname": "EffectOfAssetCeilingMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EliminationOfIntersegmentAmountsMember": { "auth_ref": [ "r399", "r405" ], "lang": { "en": { "role": { "documentation": "This member stands for the elimination of intersegment amounts in the reconciliations of total segment amounts to amounts recognised in the entity's financial statements." } }, "en-us": { "role": { "label": "Eliminations" } } }, "localname": "EliminationOfIntersegmentAmountsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EmployeeBenefitsExpense": { "auth_ref": [ "r1", "r3", "r67" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment." } }, "en-us": { "role": { "label": "Employee benefits expense", "terseLabel": "Employee benefits expense", "totalLabel": "Net" } } }, "localname": "EmployeeBenefitsExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EntitysTotalForAssociatesMember": { "auth_ref": [ "r157", "r159", "r266", "r426", "r429" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for associates [member]" } } }, "localname": "EntitysTotalForAssociatesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForBusinessCombinationsMember": { "auth_ref": [ "r331", "r335" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Business combinations' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for business combinations [member]" } } }, "localname": "EntitysTotalForBusinessCombinationsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForCashgeneratingUnitsMember": { "auth_ref": [ "r176", "r179" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Cash-generating units' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for cash-generating units [member]" } } }, "localname": "EntitysTotalForCashgeneratingUnitsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForJointVenturesMember": { "auth_ref": [ "r157", "r159", "r265", "r426", "r429" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Joint ventures' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for joint ventures [member]" } } }, "localname": "EntitysTotalForJointVenturesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForRelatedPartiesMember": { "auth_ref": [ "r152" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for related parties [member]" } } }, "localname": "EntitysTotalForRelatedPartiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForSegmentConsolidationItemsMember": { "auth_ref": [ "r399" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for segment consolidation items [member]" } } }, "localname": "EntitysTotalForSegmentConsolidationItemsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForSubsidiariesMember": { "auth_ref": [ "r157", "r159", "r264" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for subsidiaries [member]" } } }, "localname": "EntitysTotalForSubsidiariesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value for the 'Unconsolidated structured entities' axis if no other member is used." } }, "en-us": { "role": { "label": "Entity's total for unconsolidated structured entities [member]" } } }, "localname": "EntitysTotalForUnconsolidatedStructuredEntitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Equity": { "auth_ref": [ "r31", "r43", "r237", "r239", "r268", "r269", "r270" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_EquityAndLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities." } }, "en-us": { "role": { "label": "Equity", "periodEndLabel": "Balance", "periodStartLabel": "Balance", "totalLabel": "Total" } } }, "localname": "Equity", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Equity [abstract]", "terseLabel": "Owners' equity" } } }, "localname": "EquityAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_EquityAndLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]" } }, "en-us": { "role": { "label": "Equity and liabilities", "totalLabel": "Total" } } }, "localname": "EquityAndLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Equity and liabilities [abstract]", "terseLabel": "LIABILITIES AND OWNERS' EQUITY" } } }, "localname": "EquityAndLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_EquityAttributableToOwnersOfParent": { "auth_ref": [ "r30" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 2.0, "parentTag": "tu_CapitalizedAmountOfEquityAndDebt", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest." } }, "en-us": { "role": { "label": "Equity attributable to owners of parent", "terseLabel": "TELUS", "verboseLabel": "Common equity" } } }, "localname": "EquityAttributableToOwnersOfParent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityAttributableToOwnersOfParentMember": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "This member stands for equity attributable to the owners of the parent." } }, "en-us": { "role": { "label": "Common equity" } } }, "localname": "EquityAttributableToOwnersOfParentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets": { "auth_ref": [ "r123" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": 4.0, "parentTag": "ifrs-full_PlanAssetsAtFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Equity instruments, amount contributed to fair value of plan assets", "terseLabel": "Equity securities" } } }, "localname": "EquityInstrumentsAmountContributedToFairValueOfPlanAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityInterestsOfAcquirer": { "auth_ref": [ "r325" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 4.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The fair value, at the acquisition date, of equity interests of the acquirer transferred as consideration in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Equity interests of acquirer", "terseLabel": "Issuance of TELUS Corporation Common Shares" } } }, "localname": "EquityInterestsOfAcquirer", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EquityInvestmentsMember": { "auth_ref": [ "r370", "r385" ], "lang": { "en": { "role": { "documentation": "This member stands for investments in equity instruments." } }, "en-us": { "role": { "label": "Equity Investments [member]", "terseLabel": "Equity" } } }, "localname": "EquityInvestmentsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_EquityMember": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used." } }, "en-us": { "role": { "label": "Equity [member]" } } }, "localname": "EquityMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_EstimateOfBenefitPaymentsExpectedToBePaidFromDefinedBenefitPlan": { "auth_ref": [ "r132" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The estimate of the amounts expected to be paid from defined benefit plan in future. [Refer: Defined benefit plans [member]; Maturity [axis]]" } }, "en-us": { "role": { "label": "Estimate of benefit payments expected to be paid from defined benefit plan", "terseLabel": "Estimated future benefit payments" } } }, "localname": "EstimateOfBenefitPaymentsExpectedToBePaidFromDefinedBenefitPlan", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan": { "auth_ref": [ "r131", "r133" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Estimate of contributions expected to be paid to plan for next annual reporting period", "terseLabel": "Estimated contributions to defined benefit plans in 2022" } } }, "localname": "EstimateOfContributionsExpectedToBePaidToPlan", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_EstimatedFinancialEffectOfContingentLiabilities": { "auth_ref": [ "r185" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]" } }, "en-us": { "role": { "label": "Estimated financial effect of contingent liabilities", "terseLabel": "Contingent liabilities" } } }, "localname": "EstimatedFinancialEffectOfContingentLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExercisePriceOfOutstandingShareOptions2019": { "auth_ref": [ "r315" ], "lang": { "en": { "role": { "documentation": "The exercise price of outstanding share options." } }, "en-us": { "role": { "label": "Exercise price of outstanding share options", "terseLabel": "Option price", "verboseLabel": "Cash settled for cost of share" } } }, "localname": "ExercisePriceOfOutstandingShareOptions2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted": { "auth_ref": [ "r317" ], "lang": { "en": { "role": { "documentation": "The percentage of an expected dividend used to calculate the fair value of share options granted." } }, "en-us": { "role": { "label": "Expected dividend as percentage, share options granted", "terseLabel": "Dividend yield" } } }, "localname": "ExpectedDividendAsPercentageShareOptionsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ExpenseByNatureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Expenses by nature [abstract]", "terseLabel": "OPERATING EXPENSES" } } }, "localname": "ExpenseByNatureAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": { "auth_ref": [ "r321" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions]" } }, "en-us": { "role": { "label": "Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets", "terseLabel": "Employee benefits expense" } } }, "localname": "ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 6.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]" } }, "en-us": { "role": { "label": "Expense from share-based payment transactions with employees", "terseLabel": "Share-based compensation" } } }, "localname": "ExpenseFromSharebasedPaymentTransactionsWithEmployees", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss": { "auth_ref": [ "r320" ], "lang": { "en": { "role": { "documentation": "The explanation that enables users of financial statements to understand the effect of share-based payment transactions on the entity's profit (loss)." } }, "en-us": { "role": { "label": "Explanation of effect of share-based payments on entity's profit or loss [text block]", "terseLabel": "Details of share-based compensation expense" } } }, "localname": "ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory": { "auth_ref": [ "r288" ], "lang": { "en": { "role": { "documentation": "The explanation of the significant changes in the contract assets and the contract liabilities. [Refer: Contract assets; Contract liabilities]" } }, "en-us": { "role": { "label": "Explanation of significant changes in contract assets and contract liabilities [text block]", "terseLabel": "Schedule of contract assets" } } }, "localname": "ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_FairValueOfAcquiredReceivables": { "auth_ref": [ "r328" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The fair value of receivables acquired in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Fair value of acquired receivables", "terseLabel": "Accounts receivable" } } }, "localname": "FairValueOfAcquiredReceivables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinanceCosts": { "auth_ref": [ "r58" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureFinancingCostsDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_ProfitLossBeforeTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of costs associated with financing activities of the entity." } }, "en-us": { "role": { "label": "Finance costs", "terseLabel": "Financing costs", "totalLabel": "Net" } } }, "localname": "FinanceCosts", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails", "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssets": { "auth_ref": [ "r348", "r354", "r357", "r361", "r362" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]" } }, "en-us": { "role": { "label": "Financial assets", "negatedPeriodEndLabel": "Balance, end of period", "negatedPeriodStartLabel": "Balance, beginning of period", "terseLabel": "Receivable account balances" } } }, "localname": "FinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember": { "auth_ref": [ "r438" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial assets at fair value through profit or loss classified as held for trading category. [Refer: Financial assets at fair value through profit or loss, classified as held for trading]" } }, "en-us": { "role": { "label": "Financial assets at fair value through profit or loss, classified as held for trading, category [member]", "terseLabel": "HFT" } } }, "localname": "FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsCategoryMember": { "auth_ref": [ "r375" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial assets, category [member]" } } }, "localname": "FinancialAssetsCategoryMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialAssetsMember": { "auth_ref": [ "r369", "r370", "r408", "r421", "r422", "r423" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial assets, class [member]" } } }, "localname": "FinancialAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember": { "auth_ref": [ "r373" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial liabilities at fair value through profit or loss that meet the definition of held for trading category. [Refer: Financial liabilities at fair value through profit or loss that meet definition of held for trading]" } }, "en-us": { "role": { "label": "Financial liabilities at fair value through profit or loss that meet definition of held for trading, category [member]", "terseLabel": "HFT" } } }, "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesCategoryMember": { "auth_ref": [ "r375" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated categories of financial liabilities. It also represents the standard value for the 'Categories of financial liabilities' axis if no other member is used. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Financial liabilities, category [member]" } } }, "localname": "FinancialLiabilitiesCategoryMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FinancialLiabilitiesMember": { "auth_ref": [ "r369", "r370", "r408", "r422" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]" } }, "en-us": { "role": { "label": "Financial liabilities, class [member]" } } }, "localname": "FinancialLiabilitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FixedInterestRateMember": { "auth_ref": [ "r366" ], "lang": { "en": { "role": { "documentation": "This member stands for a fixed interest rate. [Refer: Interest rate risk [member]]" } }, "en-us": { "role": { "label": "Fixed interest rate" } } }, "localname": "FixedInterestRateMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ForeignCountriesMember": { "auth_ref": [ "r401", "r402" ], "lang": { "en": { "role": { "documentation": "This member stands for countries outside the entity's country of domicile. [Refer: Country of domicile [member]]" } }, "en-us": { "role": { "label": "Foreign" } } }, "localname": "ForeignCountriesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis": { "auth_ref": [ "r106" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Funding arrangements of defined benefit plans [axis]" } } }, "localname": "FundingArrangementsOfDefinedBenefitPlansAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_FundingArrangementsOfDefinedBenefitPlansMember": { "auth_ref": [ "r106" ], "lang": { "en": { "role": { "documentation": "This member stands for all defined benefit plans when disaggregated by funding arrangements of defined benefits plans. It also represents the standard value for the 'Funding arrangements of defined benefits plans' axis if no other member is used." } }, "en-us": { "role": { "label": "Funding arrangements of defined benefit plans [member]" } } }, "localname": "FundingArrangementsOfDefinedBenefitPlansMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GSMLicencesMember": { "auth_ref": [ "r198" ], "lang": { "en": { "role": { "documentation": "This member stands for Global System for Mobile Communications licenses. [Refer: Licences and franchises]" } }, "en-us": { "role": { "label": "Spectrum licences" } } }, "localname": "GSMLicencesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling": { "auth_ref": [ "r117" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 4.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from the gain (loss) on changes in the effect of limiting a net defined benefit asset to the asset ceiling, excluding amounts included in interest income or expense. [Refer: Interest income (expense); Net defined benefit liability (asset); Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)]" } }, "en-us": { "role": { "label": "Gain (loss) on changes in effect of limiting net defined benefit asset to asset ceiling, net defined benefit liability (asset)", "verboseLabel": "Changes in the effect of limiting net defined benefit assets to the asset ceilings" } } }, "localname": "GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss": { "auth_ref": [ "r345", "r346" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gain (loss) recognised in profit or loss on hedge ineffectiveness. [Refer: Gain (loss) on hedge ineffectiveness]" } }, "en-us": { "role": { "label": "Gain (loss) on hedge ineffectiveness recognised in profit or loss", "terseLabel": "Ineffective portion of derivative instruments classified as cash flow hedging items" } } }, "localname": "GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Changes in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income [abstract]", "terseLabel": "Other comprehensive income" } } }, "localname": "GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax": { "auth_ref": [ "r64", "r432" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) recognised in other comprehensive income on cash flow hedges, before tax, before reclassification adjustments. [Refer: Cash flow hedges [member]]" } }, "en-us": { "role": { "label": "Gains (losses) on cash flow hedges, before tax", "terseLabel": "Changes in unrealized fair value of derivatives designated as cash flow hedges gains (losses) arising, before tax", "verboseLabel": "Amount of gain (loss) recognized in other comprehensive income (effective portion)" } } }, "localname": "GainsLossesOnCashFlowHedgesBeforeTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading": { "auth_ref": [ "r430" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The gains (losses) on financial assets at fair value through profit or loss classified as held for trading. [Refer: Financial assets at fair value through profit or loss, classified as held for trading; Gains (losses) on financial assets at fair value through profit or loss]" } }, "en-us": { "role": { "label": "Gains (losses) on financial assets at fair value through profit or loss, classified as held for trading", "terseLabel": "Gain recognized in income on derivatives" } } }, "localname": "GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GeographicalAreasAxis": { "auth_ref": [ "r103", "r294", "r403", "r419" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Geographical areas [axis]" } } }, "localname": "GeographicalAreasAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_GeographicalAreasMember": { "auth_ref": [ "r103", "r294", "r403", "r419" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used." } }, "en-us": { "role": { "label": "Geographical areas [member]" } } }, "localname": "GeographicalAreasMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Goodwill": { "auth_ref": [ "r21", "r170", "r177", "r334" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails": { "order": 2.0, "parentTag": "tu_IntangibleAssetsWithIndefiniteUsefulLifeAndGoodwill", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Goodwill", "terseLabel": "Goodwill, net", "verboseLabel": "Accumulated impairment losses of goodwill" } } }, "localname": "Goodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GoodwillExpectedDeductibleForTaxPurposes": { "auth_ref": [ "r330" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of goodwill in a business combination that is expected to be deductible for tax purposes. [Refer: Goodwill; Business combinations [member]]" } }, "en-us": { "role": { "label": "Goodwill expected to be deductible for tax purposes" } } }, "localname": "GoodwillExpectedDeductibleForTaxPurposes", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GoodwillMember": { "auth_ref": [ "r167" ], "lang": { "en": { "role": { "documentation": "This member stands for goodwill. [Refer: Goodwill]" } }, "en-us": { "role": { "label": "Goodwill [member]", "terseLabel": "Goodwill" } } }, "localname": "GoodwillMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_GoodwillRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r331", "r336" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "tu_GoodwillAndIdentifiableAssetsAcquiredLiabilitiesAssumed", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]]" } }, "en-us": { "role": { "label": "Goodwill recognised as of acquisition date", "terseLabel": "Goodwill" } } }, "localname": "GoodwillRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_GrossCarryingAmountMember": { "auth_ref": [ "r90", "r190", "r205", "r208", "r334", "r357", "r361", "r362", "r436", "r443" ], "lang": { "en": { "role": { "documentation": "This member stands for the amount at which an asset is recognised before deducting any accumulated depreciation (amortisation) and accumulated impairment losses thereon. [Refer: Depreciation and amortisation expense; Impairment loss]" } }, "en-us": { "role": { "label": "Cost/Gross amount" } } }, "localname": "GrossCarryingAmountMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed": { "auth_ref": [ "r329", "r336" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "tu_GoodwillAndIdentifiableAssetsAcquiredLiabilitiesAssumed", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Identifiable assets acquired (liabilities assumed)", "terseLabel": "Net identifiable assets acquired", "totalLabel": "Net identifiable assets acquired" } } }, "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumed", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329", "r336" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for identifiable intangible assets acquired in a business combination. [Refer: Intangible assets other than goodwill; Business combinations [member]]" } }, "en-us": { "role": { "label": "Identifiable intangible assets recognised as of acquisition date", "terseLabel": "Intangible assets subject to amortization" } } }, "localname": "IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ImpairmentLoss": { "auth_ref": [ "r168", "r169" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]" } }, "en-us": { "role": { "label": "Impairment loss" } } }, "localname": "ImpairmentLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment": { "auth_ref": [ "r66", "r93" ], "lang": { "en": { "role": { "documentation": "The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Impairment loss recognised in profit or loss, property, plant and equipment", "terseLabel": "Impairment of assets" } } }, "localname": "ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeFromSubleasingRightofuseAssets": { "auth_ref": [ "r300" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income from subleasing right-of-use assets. Sublease is a transaction for which an underlying asset is re-leased by a lessee (\u2018intermediate lessor\u2019) to a third party, and the lease (\u2018head lease\u2019) between the head lessor and lessee remains in effect. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Income from subleasing right-of-use assets", "terseLabel": "Co-location sublet revenue included in operating service revenues" } } }, "localname": "IncomeFromSubleasingRightofuseAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxExpenseContinuingOperations": { "auth_ref": [ "r59", "r72", "r81", "r82", "r155", "r263", "r392" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_ProfitLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]" } }, "en-us": { "role": { "label": "Tax expense (income), continuing operations", "terseLabel": "Income taxes", "totalLabel": "Income taxes" } } }, "localname": "IncomeTaxExpenseContinuingOperations", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesExpenseCompositionDetails", "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome": { "auth_ref": [ "r62", "r80" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 3.0, "parentTag": "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeAccumulatedOther", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Income tax relating to cash flow hedges of other comprehensive income", "totalLabel": "Income tax relating to changes in unrealized fair value of derivatives designated as cash flow hedges total" } } }, "localname": "IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome": { "auth_ref": [ "r62", "r80" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncome", "weight": -1.0 }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Income tax relating to components of other comprehensive income", "terseLabel": "Deferred income tax expense recognized in Other comprehensive income", "totalLabel": "Aggregated income tax relating to components of other comprehensive income" } } }, "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome": { "auth_ref": [ "r62", "r80" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeAccumulatedOther", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to exchange differences on the translation of financial statements of foreign operations. [Refer: Other comprehensive income; Reserve of exchange differences on translation]" } }, "en-us": { "role": { "label": "Income tax relating to exchange differences on translation of other comprehensive income", "terseLabel": "Income tax relating to cumulative foreign currency translation adjustment" } } }, "localname": "IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome": { "auth_ref": [ "r62", "r80" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeAccumulatedOther", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income; Reserve of gains and losses from investments in equity instruments]" } }, "en-us": { "role": { "label": "Income tax relating to investments in equity instruments of other comprehensive income", "terseLabel": "Income tax related to change in unrealized fair value of available-for-sale financial assets" } } }, "localname": "IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome": { "auth_ref": [ "r62", "r80" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Income tax relating to re-measurements of defined benefit plans of other comprehensive income", "terseLabel": "Income tax relating to employee defined benefit plan re-measurements" } } }, "localname": "IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxesPaidRefund": { "auth_ref": [ "r221" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash flows from income taxes paid or refunded." } }, "en-us": { "role": { "label": "Income taxes paid (refund)", "negatedLabel": "Income taxes paid, net of refunds", "negatedTotalLabel": "Income taxes paid, net", "terseLabel": "Income taxes" } } }, "localname": "IncomeTaxesPaidRefund", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncomeTaxesPaidRefundAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income taxes paid (refund) [abstract]", "terseLabel": "Income taxes paid, net" } } }, "localname": "IncomeTaxesPaidRefundAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "ifrs-full_IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember": { "auth_ref": [ "r231", "r232" ], "lang": { "en": { "role": { "documentation": "This member stands for the financial effect of changes in accounting policy required by IFRSs. [Refer: IFRSs [member]]" } }, "en-us": { "role": { "label": "Transitional amount" } } }, "localname": "IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": { "auth_ref": [ "r226" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in cash and cash equivalents after the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]" } }, "en-us": { "role": { "label": "Increase (decrease) in cash and cash equivalents", "totalLabel": "Increase (decrease) in cash and temporary investments, net" } } }, "localname": "IncreaseDecreaseInCashAndCashEquivalents", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption": { "auth_ref": [ "r129" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption", "terseLabel": "Effect of decrease in actuarial assumption on obligation" } } }, "localname": "IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption": { "auth_ref": [ "r129" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption", "terseLabel": "Effect of increase in actuarial assumption on obligation" } } }, "localname": "IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r121" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Increase (decrease) in net defined benefit liability (asset)", "negatedLabel": "Change in year" } } }, "localname": "IncreaseDecreaseInNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued": { "auth_ref": [ "r13" ], "lang": { "en": { "role": { "documentation": "The increase (decrease) in the number of ordinary shares issued. [Refer: Ordinary shares [member]]" } }, "en-us": { "role": { "label": "Increase (decrease) in number of ordinary shares issued", "terseLabel": "Common shares issued during the period (in shares)" } } }, "localname": "IncreaseDecreaseInNumberOfOrdinarySharesIssued", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_IncreaseDecreaseInWorkingCapital": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in working capital." } }, "en-us": { "role": { "label": "Increase (decrease) in working capital", "negatedLabel": "Net change in non-cash operating working capital", "totalLabel": "Total" } } }, "localname": "IncreaseDecreaseInWorkingCapital", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl": { "auth_ref": [ "r8" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity", "terseLabel": "Change in ownership interests of subsidiary" } } }, "localname": "IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities": { "auth_ref": [ "r222" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities]" } }, "en-us": { "role": { "label": "Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities", "terseLabel": "Foreign exchange movement (Note 4(i))" } } }, "localname": "IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughForeignExchangeAndOtherMovementsFinancialAssets": { "auth_ref": [ "r354", "r380" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in financial assets resulting from foreign exchange and other movements. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Increase (decrease) through foreign exchange and other movements, financial assets", "negatedLabel": "Other" } } }, "localname": "IncreaseDecreaseThroughForeignExchangeAndOtherMovementsFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill": { "auth_ref": [ "r193" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill]" } }, "en-us": { "role": { "label": "Increase (decrease) through net exchange differences, intangible assets and goodwill", "terseLabel": "Net foreign exchange differences" } } }, "localname": "IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions": { "auth_ref": [ "r184" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]" } }, "en-us": { "role": { "label": "Increase (decrease) through net exchange differences, other provisions", "terseLabel": "Effects of foreign exchange, net" } } }, "localname": "IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment": { "auth_ref": [ "r95" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Increase (decrease) through net exchange differences, property, plant and equipment", "terseLabel": "Net foreign exchange differences" } } }, "localname": "IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities": { "auth_ref": [ "r223" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Liabilities arising from financing activities]" } }, "en-us": { "role": { "label": "Increase (decrease) through other changes, liabilities arising from financing activities", "terseLabel": "Other" } } }, "localname": "IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": { "auth_ref": [ "r8" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]" } }, "en-us": { "role": { "label": "Increase (decrease) through share-based payment transactions, equity", "terseLabel": "Equity accounted share-based compensation" } } }, "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity": { "auth_ref": [ "r9" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity]" } }, "en-us": { "role": { "label": "Increase (decrease) through other changes, equity", "terseLabel": "Other" } } }, "localname": "IncreaseDecreaseThroughTransfersAndOtherChangesEquity", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseThroughBusinessCombinationsContractAssets": { "auth_ref": [ "r287" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase in contract assets resulting from business combinations. [Refer: Business combinations [member]; Contract assets]" } }, "en-us": { "role": { "label": "Increase through business combinations, contract assets", "terseLabel": "Additions arising from business combinations" } } }, "localname": "IncreaseThroughBusinessCombinationsContractAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseThroughBusinessCombinationsContractLiabilities": { "auth_ref": [ "r287" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase in contract liabilities resulting from business combinations. [Refer: Business combinations [member]; Contract liabilities]" } }, "en-us": { "role": { "label": "Increase through business combinations, contract liabilities", "terseLabel": "Additions arising from business acquisitions" } } }, "localname": "IncreaseThroughBusinessCombinationsContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets": { "auth_ref": [ "r354", "r355", "r380" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The increase in financial assets resulting from origination or purchase. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Increase through origination or purchase, financial assets", "negatedLabel": "Additions (doubtful accounts expense)" } } }, "localname": "IncreaseThroughOriginationOrPurchaseFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis": { "auth_ref": [ "r176" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Cash-generating units [axis]" } } }, "localname": "IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_IntangibleAssetsAndGoodwill": { "auth_ref": [ "r31" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Intangible assets and goodwill", "periodEndLabel": "Balance at end of the period", "periodStartLabel": "Balance at beginning of the period" } } }, "localname": "IntangibleAssetsAndGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntangibleAssetsAndGoodwillAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Intangible assets and goodwill [abstract]", "terseLabel": "Intangible assets and goodwill" } } }, "localname": "IntangibleAssetsAndGoodwillAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_IntangibleAssetsAndGoodwillMember": { "auth_ref": [ "r195" ], "lang": { "en": { "role": { "documentation": "This member stands for intangible assets and goodwill. It also represents the standard value for the 'Classes of intangible assets and goodwill' axis if no other member is used. [Refer: Goodwill; Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Intangible assets and goodwill [member]" } } }, "localname": "IntangibleAssetsAndGoodwillMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r21", "r194" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]" } }, "en-us": { "role": { "label": "Intangible assets other than goodwill", "terseLabel": "Intangible assets, net" } } }, "localname": "IntangibleAssetsOtherThanGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntangibleAssetsOtherThanGoodwillMember": { "auth_ref": [ "r167", "r195", "r301" ], "lang": { "en": { "role": { "documentation": "This member stands for intangible assets other than goodwill. It also represents the standard value for the 'Classes of intangible assets other than goodwill' axis if no other member is used. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Total intangible assets" } } }, "localname": "IntangibleAssetsOtherThanGoodwillMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IntangibleAssetsUnderDevelopmentMember": { "auth_ref": [ "r197" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets representing such assets under development. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Intangible assets under development [member]", "terseLabel": "Assets under construction" } } }, "localname": "IntangibleAssetsUnderDevelopmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife": { "auth_ref": [ "r171", "r178", "r199" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails": { "order": 1.0, "parentTag": "tu_IntangibleAssetsWithIndefiniteUsefulLifeAndGoodwill", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of intangible assets assessed as having an indefinite useful life. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Intangible assets with indefinite useful life", "terseLabel": "Intangible assets with indefinite lives" } } }, "localname": "IntangibleAssetsWithIndefiniteUsefulLife", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis": { "auth_ref": [ "r199" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Intangible assets with indefinite useful life [axis]" } } }, "localname": "IntangibleAssetsWithIndefiniteUsefulLifeAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember": { "auth_ref": [ "r199" ], "lang": { "en": { "role": { "documentation": "This member stands for intangible assets with an indefinite useful life. It also represents the standard value for the 'Intangible assets with indefinite useful life' axis if no other member is used. [Refer: Intangible assets with indefinite useful life]" } }, "en-us": { "role": { "label": "Intangible assets with indefinite lives" } } }, "localname": "IntangibleAssetsWithIndefiniteUsefulLifeMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestCostsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Interest costs [abstract]", "terseLabel": "Interest expense" } } }, "localname": "InterestCostsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_InterestExpense": { "auth_ref": [ "r262", "r390", "r398" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 2.0, "parentTag": "ifrs-full_FinanceCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of expense arising from interest." } }, "en-us": { "role": { "label": "Interest expense", "terseLabel": "Interest expense", "totalLabel": "Total" } } }, "localname": "InterestExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseDefinedBenefitPlans": { "auth_ref": [ "r102" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 1.0, "parentTag": "ifrs-full_InterestExpense", "weight": 1.0 }, "http://www.telus.com/role/DisclosureFinancingCostsDetailsCalc2": { "order": 3.0, "parentTag": "ifrs-full_FinanceCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense arising from defined benefit plans. [Refer: Interest expense; Post-employment benefit expense in profit or loss, defined benefit plans] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)]" } }, "en-us": { "role": { "label": "Interest expense, defined benefit plans", "terseLabel": "Employee defined benefit plans net interest" } } }, "localname": "InterestExpenseDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r113" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "tu_PostemploymentBenefitCostsDefinedBenefitPlansInFinancingCost", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Interest expense (income), net defined benefit liability (asset)", "negatedLabel": "Notional income on plan assets and interest on defined benefit obligations accrued" } } }, "localname": "InterestExpenseIncomeNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnBorrowings": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 3.0, "parentTag": "ifrs-full_InterestExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]" } }, "en-us": { "role": { "label": "Interest expense on borrowings", "totalLabel": "Total" } } }, "localname": "InterestExpenseOnBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestExpenseOnLeaseLiabilities": { "auth_ref": [ "r299" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 4.0, "parentTag": "ifrs-full_InterestExpenseOnBorrowings", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of interest expense on lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Interest expense on lease liabilities", "terseLabel": "Interest on lease liabilities" } } }, "localname": "InterestExpenseOnLeaseLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestPaidClassifiedAsOperatingActivities": { "auth_ref": [ "r220" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for interest paid, classified as operating activities." } }, "en-us": { "role": { "label": "Interest paid, classified as operating activities", "negatedLabel": "Interest paid" } } }, "localname": "InterestPaidClassifiedAsOperatingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestPayable": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of interest recognised as a liability." } }, "en-us": { "role": { "label": "Interest payable", "terseLabel": "Interest payable", "verboseLabel": "Interest obligations" } } }, "localname": "InterestPayable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InterestRateRiskMember": { "auth_ref": [ "r386", "r413", "r414", "r415", "r416" ], "lang": { "en": { "role": { "documentation": "This member stands for the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market interest rates. [Refer: Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Interest rate risk" } } }, "localname": "InterestRateRiskMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestRateTypesMember": { "auth_ref": [ "r366" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of interest rates. It also represents the standard value for the 'Types of interest rates' axis if no other member is used. [Refer: Interest rate risk [member]]" } }, "en-us": { "role": { "label": "Interest rate types [member]" } } }, "localname": "InterestRateTypesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InterestReceivedClassifiedAsOperatingActivities": { "auth_ref": [ "r220" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from interest received, classified as operating activities." } }, "en-us": { "role": { "label": "Interest received, classified as operating activities", "terseLabel": "Interest received" } } }, "localname": "InterestReceivedClassifiedAsOperatingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IntrinsicValueOfLiabilitiesFromSharebasedPaymentTransactionsForWhichCounterpartysRightToCashOrOtherAssetsVested2011": { "auth_ref": [ "r322" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The intrinsic value of liabilities arising from share-based transactions for which the counterparty's right to cash or other assets had vested by the end of the period (for example, vested share appreciation rights). The intrinsic value is the difference between the fair value of the shares to which the counterparty has the (conditional or unconditional) right to subscribe, or which it has the right to receive, and the price (if any) that the counterparty is (or will be) required to pay for those shares. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services, for which the counterparty's right to cash or other assets had vested by the end of the period (for example, vested share appreciation rights)." } }, "en-us": { "role": { "label": "Intrinsic value of liabilities from share-based payment transactions for which counterparty's right to cash or other assets vested", "terseLabel": "Intrinsic value of options exercised during the period" } } }, "localname": "IntrinsicValueOfLiabilitiesFromSharebasedPaymentTransactionsForWhichCounterpartysRightToCashOrOtherAssetsVested2011", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InvestmentProperty": { "auth_ref": [ "r20", "r204", "r206" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business." } }, "en-us": { "role": { "label": "Investment property", "verboseLabel": "Investment property" } } }, "localname": "InvestmentProperty", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InvestmentPropertyMember": { "auth_ref": [ "r13", "r272", "r275" ], "lang": { "en": { "role": { "documentation": "This member stands for investment property. It also represents the standard value for the 'Types of investment property' axis if no other member is used. [Refer: Investment property]" } }, "en-us": { "role": { "label": "Investment properties" } } }, "localname": "InvestmentPropertyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_InvestmentPropertyUnderConstructionOrDevelopment": { "auth_ref": [ "r13" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of property that is being constructed or developed for future use as investment property. [Refer: Investment property]" } }, "en-us": { "role": { "label": "Investment property under construction or development", "terseLabel": "Investment property under development" } } }, "localname": "InvestmentPropertyUnderConstructionOrDevelopment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 11.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of investments in associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method]" } }, "en-us": { "role": { "label": "Investments in associates accounted for using equity method", "terseLabel": "Investment in associates" } } }, "localname": "InvestmentsInAssociatesAccountedForUsingEquityMethod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod": { "auth_ref": [ "r31" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of investments in joint ventures accounted for using the equity method. [Refer: Joint ventures [member]; Investments accounted for using equity method]" } }, "en-us": { "role": { "label": "IInvestmentsInJointVenturesAccountedForUsingEquityMethod", "periodEndLabel": "Balance, end of period", "periodStartLabel": "Balance, beginning of period" } } }, "localname": "InvestmentsInJointVenturesAccountedForUsingEquityMethod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssueOfEquity": { "auth_ref": [ "r8" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase in equity through the issue of equity instruments." } }, "en-us": { "role": { "label": "Issue of equity", "verboseLabel": "Common Shares issued" } } }, "localname": "IssueOfEquity", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_IssuedCapitalMember": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing issued capital." } }, "en-us": { "role": { "label": "Equity contributed, Common shares" } } }, "localname": "IssuedCapitalMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_JointVenturesAxis": { "auth_ref": [ "r157", "r159", "r265", "r426", "r429" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Joint ventures [axis]" } } }, "localname": "JointVenturesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_JointVenturesMember": { "auth_ref": [ "r157", "r159", "r265", "r425", "r428" ], "lang": { "en": { "role": { "documentation": "This member stands for joint arrangements whereby the parties that have joint control of the arrangement have rights to the net assets of the arrangement." } }, "en-us": { "role": { "label": "Joint ventures" } } }, "localname": "JointVenturesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_KeyManagementPersonnelCompensation": { "auth_ref": [ "r148" ], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation", "totalLabel": "Total" } } }, "localname": "KeyManagementPersonnelCompensation", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits": { "auth_ref": [ "r145" ], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 1.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, post-employment benefits", "terseLabel": "Post-employment pension and other benefits" } } }, "localname": "KeyManagementPersonnelCompensationPostemploymentBenefits", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": { "auth_ref": [ "r147" ], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 4.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, share-based payment", "terseLabel": "Share-based compensation" } } }, "localname": "KeyManagementPersonnelCompensationSharebasedPayment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": { "auth_ref": [ "r144" ], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 2.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "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]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, short-term employee benefits", "terseLabel": "Short-term benefits" } } }, "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits": { "auth_ref": [ "r146" ], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 3.0, "parentTag": "ifrs-full_KeyManagementPersonnelCompensation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of compensation to key management personnel in the form of termination benefits. [Refer: Termination benefits expense; Key management personnel of entity or parent [member]]" } }, "en-us": { "role": { "label": "Key management personnel compensation, termination benefits" } } }, "localname": "KeyManagementPersonnelCompensationTerminationBenefits", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "monetaryItemType" }, "ifrs-full_KeyManagementPersonnelOfEntityOrParentMember": { "auth_ref": [ "r151" ], "lang": { "en": { "role": { "documentation": "This member stands for those persons having authority and responsibility for planning, directing and controlling the activities of the entity, directly or indirectly, including any director (whether executive or otherwise) of that entity." } }, "en-us": { "role": { "label": "Key management personnel" } } }, "localname": "KeyManagementPersonnelOfEntityOrParentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LandMember": { "auth_ref": [ "r87" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing land held by the entity for use in operations. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Land" } } }, "localname": "LandMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember": { "auth_ref": [ "r13", "r376", "r383" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than five years and not later than ten years." } }, "en-us": { "role": { "label": "5 years hence to 10 years" } } }, "localname": "LaterThanFiveYearsAndNotLaterThanTenYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember": { "auth_ref": [ "r13", "r302", "r303", "r376", "r383", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than four years and not later than five years." } }, "en-us": { "role": { "label": "5 years hence" } } }, "localname": "LaterThanFourYearsAndNotLaterThanFiveYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember": { "auth_ref": [ "r13", "r362", "r382", "r437" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one month and not later than two months." } }, "en-us": { "role": { "label": "30-60 days past billing date" } } }, "localname": "LaterThanOneMonthAndNotLaterThanTwoMonthsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember": { "auth_ref": [ "r13", "r302", "r303", "r376", "r383", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one year and not later than two years." } }, "en-us": { "role": { "label": "2 years hence" } } }, "localname": "LaterThanOneYearAndNotLaterThanTwoYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanOneYearMember": { "auth_ref": [ "r34", "r435", "r440" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than one year." } }, "en-us": { "role": { "label": "2022" } } }, "localname": "LaterThanOneYearMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanTenYearsMember": { "auth_ref": [ "r13", "r376", "r383" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than ten years." } }, "en-us": { "role": { "label": "Later than ten years [member]", "terseLabel": "Thereafter" } } }, "localname": "LaterThanTenYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanThreeMonthsMember": { "auth_ref": [ "r362", "r382", "r437" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than three months." } }, "en-us": { "role": { "label": "More than 90 days past billing date" } } }, "localname": "LaterThanThreeMonthsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember": { "auth_ref": [ "r13", "r302", "r303", "r376", "r383", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than three years and not later than four years." } }, "en-us": { "role": { "label": "4 years hence" } } }, "localname": "LaterThanThreeYearsAndNotLaterThanFourYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember": { "auth_ref": [ "r13", "r362", "r382", "r437" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than two months and not later than three months." } }, "en-us": { "role": { "label": "61-90 days past billing date" } } }, "localname": "LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember": { "auth_ref": [ "r13", "r302", "r303", "r376", "r383", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of later than two years and not later than three years." } }, "en-us": { "role": { "label": "3 years hence" } } }, "localname": "LaterThanTwoYearsAndNotLaterThanThreeYearsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LeaseLiabilities": { "auth_ref": [ "r298" ], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Lease liabilities", "terseLabel": "Lease liabilities", "verboseLabel": "Future cash outflows in respect of composite long-term debt principal repayments - Leases" } } }, "localname": "LeaseLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LeaseLiabilitiesMember": { "auth_ref": [ "r224", "r229" ], "lang": { "en": { "role": { "documentation": "This member stands for lease liabilities. [Refer: Lease liabilities]" } }, "en-us": { "role": { "label": "Lease liabilities [member]", "terseLabel": "Lease liabilities" } } }, "localname": "LeaseLiabilitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LeasesAsLesseeRelatedPartyTransactions": { "auth_ref": [ "r153" ], "lang": { "en": { "role": { "documentation": "The amount of leases where the entity was the lessee in related party transactions. [Refer: Related parties [member]]" } }, "en-us": { "role": { "label": "Leases as lessee, related party transactions", "verboseLabel": "Related party revenue from TELUS Sky office tenancy" } } }, "localname": "LeasesAsLesseeRelatedPartyTransactions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LegalProceedingsContingentLiabilityMember": { "auth_ref": [ "r187" ], "lang": { "en": { "role": { "documentation": "This member stands for a contingent liability for legal proceedings. [Refer: Contingent liabilities [member]]" } }, "en-us": { "role": { "label": "Claims and lawsuits" } } }, "localname": "LegalProceedingsContingentLiabilityMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level1OfFairValueHierarchyMember": { "auth_ref": [ "r127", "r269" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date." } }, "en-us": { "role": { "label": "Quoted prices in active markets for identical items" } } }, "localname": "Level1OfFairValueHierarchyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level2And3OfFairValueHierarchyMember": { "auth_ref": [ "r127" ], "lang": { "en": { "role": { "documentation": "This member stands for combined Level 2 and Level 3 categories of the fair value hierarchy. [Refer: Level 2 of fair value hierarchy [member]; Level 3 of fair value hierarchy [member]]" } }, "en-us": { "role": { "label": "Other" } } }, "localname": "Level2And3OfFairValueHierarchyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level2OfFairValueHierarchyMember": { "auth_ref": [ "r269" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly." } }, "en-us": { "role": { "label": "Significant other observable inputs" } } }, "localname": "Level2OfFairValueHierarchyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_Level3OfFairValueHierarchyMember": { "auth_ref": [ "r269" ], "lang": { "en": { "role": { "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are unobservable inputs for the asset or liability. Unobservable inputs are inputs for which market data are not available and that are developed using the best information available about the assumptions that the market participants would use when pricing the asset or liability." } }, "en-us": { "role": { "label": "Significant unobservable inputs (Level 3)" } } }, "localname": "Level3OfFairValueHierarchyMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LevelsOfFairValueHierarchyAxis": { "auth_ref": [ "r127", "r269" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Levels of fair value hierarchy [axis]" } } }, "localname": "LevelsOfFairValueHierarchyAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_Liabilities": { "auth_ref": [ "r31", "r268", "r269", "r270", "r393", "r397" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_EquityAndLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits." } }, "en-us": { "role": { "label": "Liabilities", "totalLabel": "Liabilities" } } }, "localname": "Liabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities [abstract]", "terseLabel": "Liabilities" } } }, "localname": "LiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_LiabilitiesArisingFromFinancingActivities": { "auth_ref": [ "r225" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities]" } }, "en-us": { "role": { "label": "Liabilities arising from financing activities", "periodEndLabel": "Ending", "periodStartLabel": "Beginning" } } }, "localname": "LiabilitiesArisingFromFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis": { "auth_ref": [ "r225" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Liabilities arising from financing activities [axis]" } } }, "localname": "LiabilitiesArisingFromFinancingActivitiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember": { "auth_ref": [ "r225" ], "lang": { "en": { "role": { "documentation": "This member stands for liabilities arising from financing activities. It also represents the standard value for the 'Liabilities arising from financing activities' axis if no other member is used. [Refer: Liabilities arising from financing activities]" } }, "en-us": { "role": { "label": "Liabilities arising from financing activities [member]" } } }, "localname": "LiabilitiesArisingFromFinancingActivitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale": { "auth_ref": [ "r28", "r339" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities included in disposal groups classified as held for sale. [Refer: Liabilities; Disposal groups classified as held for sale [member]]" } }, "en-us": { "role": { "label": "Liabilities included in disposal groups classified as held for sale", "terseLabel": "Liabilities directly associated with assets classified as held for sale" } } }, "localname": "LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LiabilityAssetOfDefinedBenefitPlans": { "auth_ref": [ "r111" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Net defined benefit liability (asset)", "negatedPeriodEndLabel": "Balance at end of year", "negatedPeriodStartLabel": "Balance at beginning of year", "negatedTerseLabel": "Funded status - plan surplus (deficit)" } } }, "localname": "LiabilityAssetOfDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LineItemsByFunctionMember": { "auth_ref": [ "r3", "r13" ], "lang": { "en": { "role": { "documentation": "This member stands for the standard value of the \u2018Attribution of expenses by nature to their function' axis if no other member is used." } }, "en-us": { "role": { "label": "Line items by function [member]" } } }, "localname": "LineItemsByFunctionMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LoansAndReceivablesCategoryMember": { "auth_ref": [ "r439" ], "lang": { "en": { "role": { "documentation": "This member stands for the loans and receivables category of financial assets. [Refer: Loans and receivables]" } }, "en-us": { "role": { "label": "Loans and receivables" } } }, "localname": "LoansAndReceivablesCategoryMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_LongtermBorrowings": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtDetails": { "order": 2.0, "parentTag": "tu_LongTermBorrowingsCurrentAndNonCurrent", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The non-current portion of non-current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Non-current portion of non-current borrowings", "terseLabel": "Long-term debt", "verboseLabel": "Non-current" } } }, "localname": "LongtermBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_LongtermBorrowingsMember": { "auth_ref": [ "r224", "r229" ], "lang": { "en": { "role": { "documentation": "This member stands for long-term borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Long-term debt" } } }, "localname": "LongtermBorrowingsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MajorBusinessCombinationMember": { "auth_ref": [ "r70" ], "lang": { "en": { "role": { "documentation": "This member stands for major business combinations. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Major business combination" } } }, "localname": "MajorBusinessCombinationMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "income taxes" } } }, "localname": "MajorComponentsOfTaxExpenseIncomeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_MajorOrdinaryShareTransactionsMember": { "auth_ref": [ "r71" ], "lang": { "en": { "role": { "documentation": "This member stands for major ordinary share transactions. [Refer: Ordinary shares [member]]" } }, "en-us": { "role": { "label": "Shares issued and stock subdivision" } } }, "localname": "MajorOrdinaryShareTransactionsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MarketRiskMember": { "auth_ref": [ "r350", "r413", "r414", "r415", "r416" ], "lang": { "en": { "role": { "documentation": "This member stands for the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market prices. Market risk comprises three types of risk: currency risk, interest rate risk and other price risk. [Refer: Currency risk [member]; Interest rate risk [member]; Other price risk [member]; Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Market risk [member]", "terseLabel": "Other market risk" } } }, "localname": "MarketRiskMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities": { "auth_ref": [ "r365" ], "lang": { "en": { "role": { "documentation": "The disclosure of a maturity analysis for derivative financial liabilities, including the remaining contractual maturities for those derivative financial liabilities for which contractual maturities are essential for an understanding of the timing of the cash flows. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for derivative financial liabilities [text block]", "terseLabel": "Schedule of contractual maturities of undiscounted financial liabilities, Derivative" } } }, "localname": "MaturityAnalysisForDerivativeFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities": { "auth_ref": [ "r364" ], "lang": { "en": { "role": { "documentation": "The disclosure of a maturity analysis for non-derivative financial liabilities (including issued financial guarantee contracts) that shows the remaining contractual maturities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Disclosure of maturity analysis for non-derivative financial liabilities [text block]", "terseLabel": "Schedule of contractual maturities of undiscounted financial liabilities, Non-derivative" } } }, "localname": "MaturityAnalysisForNonderivativeFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_MaturityAxis": { "auth_ref": [ "r35", "r132", "r290", "r302", "r303", "r342", "r368", "r376", "r409", "r410", "r412", "r418" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Maturity [axis]" } } }, "localname": "MaturityAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_MaximumExposureToCreditRisk": { "auth_ref": [ "r358", "r434" ], "lang": { "en": { "role": { "documentation": "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]]" } }, "en-us": { "role": { "label": "Maximum exposure to credit risk", "terseLabel": "Maximum exposure (excluding income tax effects) to credit risk" } } }, "localname": "MaximumExposureToCreditRisk", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_MeasurementAxis": { "auth_ref": [ "r203", "r207", "r268" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Measurement [axis]" } } }, "localname": "MeasurementAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_Merchandise": { "auth_ref": [ "r41", "r140" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "A classification of current inventory representing the amount of goods acquired for resale. [Refer: Inventories]" } }, "en-us": { "role": { "label": "Current inventories", "terseLabel": "Inventories" } } }, "localname": "Merchandise", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_MiscellaneousNoncurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "other long-term liabilities" } } }, "localname": "MiscellaneousNoncurrentLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_MiscellaneousOtherProvisionsMember": { "auth_ref": [ "r184" ], "lang": { "en": { "role": { "documentation": "This member stands for miscellaneous other provisions. [Refer: Other provisions [member]]" } }, "en-us": { "role": { "label": "Miscellaneous other provisions [member]", "terseLabel": "Other" } } }, "localname": "MiscellaneousOtherProvisionsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_MortgagesMember": { "auth_ref": [ "r370", "r380", "r385" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of financial assets that represents loans to finance the purchase of assets where the asset acts as collateral to secure the loan." } }, "en-us": { "role": { "label": "Commercial mortgages" } } }, "localname": "MortgagesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NetDebt": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 3.0, "parentTag": "tu_CapitalizedAmountOfEquityAndDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of net debt of the entity." } }, "en-us": { "role": { "label": "Net Debt", "terseLabel": "Net debt", "totalLabel": "Net debt" } } }, "localname": "NetDebt", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NetDeferredTaxAssetsAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net deferred tax assets and liabilities [abstract]", "terseLabel": "Deferred tax assets and liabilities" } } }, "localname": "NetDeferredTaxAssetsAndLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_NetDefinedBenefitLiabilityAssetAxis": { "auth_ref": [ "r111" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Net defined benefit liability (asset) [axis]" } } }, "localname": "NetDefinedBenefitLiabilityAssetAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_NetDefinedBenefitLiabilityAssetMember": { "auth_ref": [ "r111" ], "lang": { "en": { "role": { "documentation": "This member stands for the net defined benefit liability (asset). It also represents the standard value for the 'Net defined benefit liability (asset)' axis if no other member is used. [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Net defined benefit liability (asset) [member]" } } }, "localname": "NetDefinedBenefitLiabilityAssetMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NetworkInfrastructureMember": { "auth_ref": [ "r88" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing network infrastructure. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Network assets" } } }, "localname": "NetworkInfrastructureMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NewProvisionsOtherProvisions": { "auth_ref": [ "r181" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount recognised for new other provisions. [Refer: Other provisions]" } }, "en-us": { "role": { "label": "New provisions, other provisions", "terseLabel": "Additions" } } }, "localname": "NewProvisionsOtherProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": { "auth_ref": [ "r69" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Non-adjusting events after reporting period [axis]" } } }, "localname": "NonadjustingEventsAfterReportingPeriodAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_NonadjustingEventsMember": { "auth_ref": [ "r69" ], "lang": { "en": { "role": { "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used." } }, "en-us": { "role": { "label": "Non-adjusting events after reporting period [member]" } } }, "localname": "NonadjustingEventsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NoncontrollingInterests": { "auth_ref": [ "r29", "r241", "r244" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 4.0, "parentTag": "tu_CapitalizedAmountOfEquityAndDebt", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Equity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Non-controlling interests", "terseLabel": "Non-controlling interests", "verboseLabel": "Other partners" } } }, "localname": "NoncontrollingInterests", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncontrollingInterestsMember": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent." } }, "en-us": { "role": { "label": "Non-controlling interests [member]", "terseLabel": "Non-controlling interests" } } }, "localname": "NoncontrollingInterestsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_NoncurrentAssets": { "auth_ref": [ "r36", "r250", "r252" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of assets that do not meet the definition of current assets. [Refer: Current assets]" } }, "en-us": { "role": { "label": "Non-current assets", "terseLabel": "Non-current assets", "totalLabel": "Total" } } }, "localname": "NoncurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current assets [abstract]", "terseLabel": "Non-current assets" } } }, "localname": "NoncurrentAssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "tu_IdentifiableAssetsAcquired", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for non-current assets acquired in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for non-current assets acquired in a business combination. [Refer: Non-current assets; Business combinations [member]]" } }, "en-us": { "role": { "label": "Non-current assets recognised as of acquisition date", "totalLabel": "Total non-current assets" } } }, "localname": "NoncurrentAssetsRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentContractAssets": { "auth_ref": [ "r281" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current contract assets. [Refer: Contract assets]" } }, "en-us": { "role": { "label": "Non-current contract assets", "terseLabel": "Contract assets" } } }, "localname": "NoncurrentContractAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentContractLiabilities": { "auth_ref": [ "r281" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_DeferredIncomeIncludingContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current contract liabilities. [Refer: Contract liabilities]" } }, "en-us": { "role": { "label": "Non-current contract liabilities", "terseLabel": "Contract liabilities" } } }, "localname": "NoncurrentContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentDeferredIncomeIncludingNoncurrentContractLiabilities": { "auth_ref": [ "r31", "r44" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_ContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current deferred income including non-current contract liabilities. [Refer: Deferred income including contract liabilities]" } }, "en-us": { "role": { "label": "Non-current deferred income including non-current contract liabilities", "terseLabel": "Deferred revenues" } } }, "localname": "NoncurrentDeferredIncomeIncludingNoncurrentContractLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentDerivativeFinancialAssets": { "auth_ref": [ "r31" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current derivative financial assets. [Refer: Derivative financial assets]" } }, "en-us": { "role": { "label": "Non-current derivative financial assets", "terseLabel": "Other Long-Term Assets, Fair value and carrying value" } } }, "localname": "NoncurrentDerivativeFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentDerivativeFinancialLiabilities": { "auth_ref": [ "r31" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current derivative financial liabilities. [Refer: Derivative financial liabilities]" } }, "en-us": { "role": { "label": "Non-current derivative financial liabilities", "terseLabel": "Other Long-Term Liabilities, Fair value and carrying value" } } }, "localname": "NoncurrentDerivativeFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentFinancialAssets": { "auth_ref": [ "r348" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails": { "order": 2.0, "parentTag": "ifrs-full_FinancialAssets", "weight": 1.0 }, "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 7.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current financial assets. [Refer: Financial assets]" } }, "en-us": { "role": { "label": "Non-current financial assets", "terseLabel": "Portfolio investments", "verboseLabel": "Receivable account balances - Non-current" } } }, "localname": "NoncurrentFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss": { "auth_ref": [ "r372" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]" } }, "en-us": { "role": { "label": "Non-current financial assets at fair value through profit or loss", "terseLabel": "At fair value through net income" } } }, "localname": "NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome": { "auth_ref": [ "r374" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 4.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income]" } }, "en-us": { "role": { "label": "Non-current financial assets measured at fair value through other comprehensive income", "terseLabel": "At fair value through other comprehensive income" } } }, "localname": "NoncurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilities": { "auth_ref": [ "r37", "r250", "r254" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities]" } }, "en-us": { "role": { "label": "Non-current liabilities", "terseLabel": "Non-current liabilities", "totalLabel": "Total" } } }, "localname": "NoncurrentLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Non-current liabilities [abstract]", "terseLabel": "Non-current liabilities" } } }, "localname": "NoncurrentLiabilitiesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "stringItemType" }, "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "tu_IdentifiableLiabilitiesAssumedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for non-current liabilities assumed in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for non-current liabilities assumed in a business combination. [Refer: Non-current liabilities; Business combinations [member]]" } }, "en-us": { "role": { "label": "Non-current liabilities recognised as of acquisition date", "totalLabel": "Total non-current liabilities" } } }, "localname": "NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued": { "auth_ref": [ "r13" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The non-current portion of non-current bonds issued. [Refer: Bonds issued]" } }, "en-us": { "role": { "label": "Non-current portion of non-current bonds issued", "terseLabel": "Senior secured 3.4% bonds due July 2025" } } }, "localname": "NoncurrentPortionOfNoncurrentBondsIssued", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived": { "auth_ref": [ "r13" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The non-current portion of non-current secured bank loans received. [Refer: Secured bank loans received]" } }, "en-us": { "role": { "label": "Non-current portion of non-current secured bank loans received", "terseLabel": "3.7% mortgage due September 2024" } } }, "localname": "NoncurrentPortionOfNoncurrentSecuredBankLoansReceived", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current net defined benefit asset. [Refer: Net defined benefit asset]" } }, "en-us": { "role": { "label": "Non-current net defined benefit asset", "verboseLabel": "Pension assets" } } }, "localname": "NoncurrentRecognisedAssetsDefinedBenefitPlan", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 2.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current net defined benefit liability. [Refer: Net defined benefit liability]" } }, "en-us": { "role": { "label": "Non-current net defined benefit liability", "terseLabel": "Pension and other post-retirement liabilities" } } }, "localname": "NoncurrentRecognisedLiabilitiesDefinedBenefitPlan", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows": { "auth_ref": [ "r364" ], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails": { "order": 1.0, "parentTag": "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities." } }, "en-us": { "role": { "label": "Non-derivative financial liabilities, undiscounted cash flows", "terseLabel": "Contractual maturities, non-derivative liabilities", "totalLabel": "Undiscounted contractual maturities" } } }, "localname": "NonderivativeFinancialLiabilitiesUndiscountedCashFlows", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NotLaterThanOneYearMember": { "auth_ref": [ "r33", "r302", "r303", "r376", "r383", "r418" ], "lang": { "en": { "role": { "documentation": "This member stands for a time band of not later than one year." } }, "en-us": { "role": { "label": "First year" } } }, "localname": "NotLaterThanOneYearMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember": { "auth_ref": [ "r273" ], "lang": { "en": { "role": { "documentation": "This member stands for items not measured at fair value in the statement of financial position but for which fair value is disclosed. [Refer: At fair value [member]]" } }, "en-us": { "role": { "label": "Measured at amortized cost but fair value disclosed" } } }, "localname": "NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_NotionalAmount": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": 1.0, "parentTag": "tu_FutureCashOutflowsLongTermDebtPrincipalRepaymentsIncludingDerivativeLiabilities", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument." } }, "en-us": { "role": { "label": "Notional amount", "terseLabel": "Principal face amount: Originally issued", "verboseLabel": "Future cash outflows in respect of composite long-term debt principal repayments" } } }, "localname": "NotionalAmount", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted": { "auth_ref": [ "r316", "r319" ], "lang": { "en": { "role": { "documentation": "The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of other equity instruments granted in share-based payment arrangement", "terseLabel": "Number of restricted share units Awarded in period (in shares)", "verboseLabel": "Granted - Initial award" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "The number of other equity instruments (ie other than share options) exercisable in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of other equity instruments exercisable in share-based payment arrangement", "periodEndLabel": "Outstanding, end of period", "periodStartLabel": "Outstanding, beginning of period", "verboseLabel": "Number of Rsu's" } } }, "localname": "NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of other equity instruments forfeited in share-based payment arrangement", "negatedLabel": "Forfeited", "negatedTerseLabel": "Forfeited" } } }, "localname": "NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of other equity instruments outstanding in share-based payment arrangement", "netLabel": "Outstanding liability-accounted awards", "periodEndLabel": "Outstanding, end of period", "periodStartLabel": "Outstanding, beginning of period", "terseLabel": "Outstanding" } } }, "localname": "NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfOutstandingShareOptions": { "auth_ref": [ "r307", "r312", "r315" ], "lang": { "en": { "role": { "documentation": "The number of share options outstanding in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options outstanding in share-based payment arrangement", "periodEndLabel": "Number of share options outstanding, end of period", "periodStartLabel": "Number of share options outstanding, beginning of period" } } }, "localname": "NumberOfOutstandingShareOptions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": { "auth_ref": [ "r313" ], "lang": { "en": { "role": { "documentation": "The number of share options exercisable in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options exercisable in share-based payment arrangement", "periodEndLabel": "Exercisable, end of period (in shares)", "terseLabel": "Number of options exercisable" } } }, "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": { "auth_ref": [ "r310" ], "lang": { "en": { "role": { "documentation": "The number of share options exercised in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options exercised in share-based payment arrangement", "negatedLabel": "Number of share options exercised", "negatedTerseLabel": "Exercised (in shares)" } } }, "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement": { "auth_ref": [ "r311" ], "lang": { "en": { "role": { "documentation": "The number of share options expired in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options expired in share-based payment arrangement", "negatedLabel": "Number of share options expired" } } }, "localname": "NumberOfShareOptionsExpiredInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement": { "auth_ref": [ "r309" ], "lang": { "en": { "role": { "documentation": "The number of share options forfeited in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options forfeited in share-based payment arrangement", "negatedLabel": "Number of share options forfeited", "negatedTerseLabel": "Forfeited (in shares)" } } }, "localname": "NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": { "auth_ref": [ "r308" ], "lang": { "en": { "role": { "documentation": "The number of share options granted in a share-based payment arrangement." } }, "en-us": { "role": { "label": "Number of share options granted in share-based payment arrangement", "netLabel": "Number of Share options awarded (in shares)", "terseLabel": "Share options granted", "verboseLabel": "Granted (in shares)" } } }, "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "ifrs-full_NumberOfSharesAuthorised": { "auth_ref": [ "r45" ], "lang": { "en": { "role": { "documentation": "The number of shares authorised." } }, "en-us": { "role": { "label": "Number of shares authorized", "terseLabel": "Shares authorized" } } }, "localname": "NumberOfSharesAuthorised", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_NumberOfSharesIssued": { "auth_ref": [ "r9" ], "lang": { "en": { "role": { "documentation": "The number of shares issued by the entity." } }, "en-us": { "role": { "label": "Number of shares issued" } } }, "localname": "NumberOfSharesIssued", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_NumberOfSharesOutstanding": { "auth_ref": [ "r46" ], "lang": { "en": { "role": { "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]" } }, "en-us": { "role": { "label": "Number of shares outstanding", "periodEndLabel": "Balance (in shares)", "periodStartLabel": "Balance (in shares)" } } }, "localname": "NumberOfSharesOutstanding", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "ifrs-full_OperatingExpense": { "auth_ref": [ "r61" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of all operating expenses." } }, "en-us": { "role": { "label": "Operating Expense", "totalLabel": "Total" } } }, "localname": "OperatingExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OperatingSegmentsMember": { "auth_ref": [ "r399" ], "lang": { "en": { "role": { "documentation": "This member stands for operating segments. An operating segment is a component of an entity: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same entity); (b) whose operating results are regularly reviewed by the entity\u2019s chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance; and (c) for which discrete financial information is available. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Consolidated" } } }, "localname": "OperatingSegmentsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OrdinarySharesMember": { "auth_ref": [ "r48", "r161" ], "lang": { "en": { "role": { "documentation": "This member stands for equity instruments that are subordinate to all other classes of equity instruments. It also represents the standard value for the 'Classes of ordinary shares' axis if no other member is used." } }, "en-us": { "role": { "label": "Common Shares" } } }, "localname": "OrdinarySharesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherAdjustmentsForNoncashItems": { "auth_ref": [ "r217" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetailsCalc2": { "order": 1.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments for non-cash items to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Other adjustments for non-cash items", "terseLabel": "Individually immaterial items included in net income neither providing nor using cash" } } }, "localname": "OtherAdjustmentsForNoncashItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherAdjustmentsToReconcileProfitLoss": { "auth_ref": [ "r218" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Adjustments to reconcile profit (loss)]" } }, "en-us": { "role": { "label": "Other adjustments to reconcile profit (loss)", "terseLabel": "Other" } } }, "localname": "OtherAdjustmentsToReconcileProfitLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherAssetsMember": { "auth_ref": [ "r301" ], "lang": { "en": { "role": { "documentation": "This member stands for assets that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other assets" } } }, "localname": "OtherAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherComprehensiveIncome": { "auth_ref": [ "r7", "r51", "r63", "r257" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]]" } }, "en-us": { "role": { "label": "Other comprehensive income", "terseLabel": "Other comprehensive income (loss)", "totalLabel": "Total" } } }, "localname": "OtherComprehensiveIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other comprehensive income [abstract]", "terseLabel": "OTHER COMPREHENSIVE INCOME (LOSS)" } } }, "localname": "OtherComprehensiveIncomeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_OtherComprehensiveIncomeBeforeTax": { "auth_ref": [ "r64" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncome", "weight": 1.0 }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, before tax. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, before tax", "totalLabel": "Other comp. income, before tax" } } }, "localname": "OtherComprehensiveIncomeBeforeTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges": { "auth_ref": [ "r38", "r64" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 3.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, before tax, after reclassification adjustments, related to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income, before tax]" } }, "en-us": { "role": { "label": "Other comprehensive income, before tax, cash flow hedges", "totalLabel": "Changes in unrealized fair value of derivatives designated as cash flow hedges total, before tax" } } }, "localname": "OtherComprehensiveIncomeBeforeTaxCashFlowHedges", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation": { "auth_ref": [ "r38", "r64" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, before tax, after reclassification adjustments, related to exchange differences on translation of financial statements of foreign operations. [Refer: Other comprehensive income, before tax]" } }, "en-us": { "role": { "label": "Other comprehensive income, before tax, exchange differences on translation", "verboseLabel": "Cumulative foreign currency translation adjustment, before tax" } } }, "localname": "OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments": { "auth_ref": [ "r38", "r64", "r340" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, before tax, related to gains (losses) from changes in the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income, before tax]" } }, "en-us": { "role": { "label": "Other comprehensive income, before tax, gains (losses) from investments in equity instruments", "terseLabel": "Change in unrealized fair value of available-for-sale financial assets, before tax" } } }, "localname": "OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": { "auth_ref": [ "r38", "r64", "r102" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "tu_PostemploymentBenefitCostsDefinedBenefitPlans", "weight": -1.0 }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, before tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans", "negatedTotalLabel": "Total", "terseLabel": "Employee defined benefit plans re-measurements, before tax" } } }, "localname": "OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges": { "auth_ref": [ "r38", "r63" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, net of tax, after reclassification adjustments, related to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, net of tax, cash flow hedges", "terseLabel": "Change in unrealized fair value of derivatives designated as cash flow hedges", "verboseLabel": "Changes in unrealized fair value of derivatives designated as cash flow hedges total, net" } } }, "localname": "OtherComprehensiveIncomeNetOfTaxCashFlowHedges", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation": { "auth_ref": [ "r38", "r63" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, net of tax, after reclassification adjustments, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, net of tax, exchange differences on translation", "terseLabel": "Foreign currency translation adjustment arising from translating financial statements of foreign operations", "verboseLabel": "Cumulative foreign currency translation adjustment, net" } } }, "localname": "OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments": { "auth_ref": [ "r38", "r63" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 3.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) from changes in the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, net of tax, gains (losses) from investments in equity instruments", "terseLabel": "Change in measurement of investment financial assets" } } }, "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": { "auth_ref": [ "r38", "r63", "r102" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans", "terseLabel": "Employee defined benefit plan re-measurements", "verboseLabel": "Employee defined benefit plans re-measurements, net" } } }, "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax": { "auth_ref": [ "r60", "r68" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income that will be reclassified to profit or loss, net of tax. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income that will be reclassified to profit or loss, net of tax", "totalLabel": "Total items that may subsequently be reclassified to income" } } }, "localname": "OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax": { "auth_ref": [ "r60", "r68" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of other comprehensive income that will not be reclassified to profit or loss, net of tax. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Other comprehensive income that will not be reclassified to profit or loss, net of tax", "totalLabel": "Total items never subsequently reclassified to income" } } }, "localname": "OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherCurrentAssets": { "auth_ref": [ "r31" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]" } }, "en-us": { "role": { "label": "Other current assets", "terseLabel": "Other" } } }, "localname": "OtherCurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherCurrentFinancialLiabilities": { "auth_ref": [ "r25", "r259" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities]" } }, "en-us": { "role": { "label": "Other current financial liabilities", "terseLabel": "Other financial liability" } } }, "localname": "OtherCurrentFinancialLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherCurrentLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 2.0, "parentTag": "tu_AdvanceBillingsAndCustomerDeposits", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]" } }, "en-us": { "role": { "label": "Other current liabilities", "terseLabel": "Other" } } }, "localname": "OtherCurrentLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherCurrentReceivables": { "auth_ref": [ "r40" ], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": 1.0, "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current other receivables. [Refer: Other receivables]" } }, "en-us": { "role": { "label": "Other current receivables", "terseLabel": "Accrued receivables - other" } } }, "localname": "OtherCurrentReceivables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherEmployeeExpense": { "auth_ref": [ "r134" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 1.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of employee expenses that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other employee expense", "terseLabel": "Other" } } }, "localname": "OtherEmployeeExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities": { "auth_ref": [ "r219" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Inflows (outflows) of cash, classified as financing activities, that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other inflows (outflows) of cash, classified as financing activities", "terseLabel": "Other" } } }, "localname": "OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities": { "auth_ref": [ "r219" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "Inflows (outflows) of cash, classified as investing activities, that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other inflows (outflows) of cash, classified as investing activities", "terseLabel": "Other" } } }, "localname": "OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherIntangibleAssetsMember": { "auth_ref": [ "r198" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of intangible assets that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Other intangible assets" } } }, "localname": "OtherIntangibleAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of liabilities that the entity does not separately disclose in the same statement or note." } }, "en-us": { "role": { "label": "Other liabilities", "terseLabel": "Other" } } }, "localname": "OtherLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherLongtermProvisions": { "auth_ref": [ "r42" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions]" } }, "en-us": { "role": { "label": "Other non-current provisions", "terseLabel": "Provisions" } } }, "localname": "OtherLongtermProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherNoncurrentAssets": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]" } }, "en-us": { "role": { "label": "Other non-current assets", "terseLabel": "Other long-term assets", "totalLabel": "Total", "verboseLabel": "Other" } } }, "localname": "OtherNoncurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherNoncurrentLiabilities": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities]" } }, "en-us": { "role": { "label": "Other non-current liabilities", "terseLabel": "Other long-term liabilities", "totalLabel": "Other long-term liabilities", "verboseLabel": "Other" } } }, "localname": "OtherNoncurrentLiabilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherPriceRiskMember": { "auth_ref": [ "r386", "r413", "r414", "r415", "r416" ], "lang": { "en": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market prices (other than those arising from interest rate risk or currency risk), whether those changes are caused by factors specific to the individual financial instrument or its issuer, or by factors affecting all similar financial instruments traded in the market. [Refer: Currency risk [member]; Interest rate risk [member]; Financial instruments, class [member]]" } }, "en-us": { "role": { "label": "Other price risk [member]", "terseLabel": "Other market risk" } } }, "localname": "OtherPriceRiskMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherPropertyPlantAndEquipmentMember": { "auth_ref": [ "r88" ], "lang": { "en": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing property, plant and equipment that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Other property, plant and equipment [member]", "terseLabel": "Other" } } }, "localname": "OtherPropertyPlantAndEquipmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherProvisions": { "auth_ref": [ "r42", "r180" ], "calculation": { "http://www.telus.com/role/DisclosureProvisionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of provisions other than provisions for employee benefits. [Refer: Provisions]" } }, "en-us": { "role": { "label": "Other provisions", "periodEndLabel": "Balance at end of period", "periodStartLabel": "Balance at beginning of period", "totalLabel": "Total" } } }, "localname": "OtherProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherProvisionsMember": { "auth_ref": [ "r184" ], "lang": { "en": { "role": { "documentation": "This member stands for provisions other than provisions for employee benefits. It also represents the standard value for the 'Classes of other provisions' axis if no other member is used. [Refer: Provisions]" } }, "en-us": { "role": { "label": "Other provisions [member]" } } }, "localname": "OtherProvisionsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_OtherRevenue": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails": { "order": 1.0, "parentTag": "tu_RevenueBeforeIntersegment", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_Revenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue arising from sources that the entity does not separately disclose in the same statement or note. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Other revenue", "terseLabel": "Other income", "totalLabel": "Total" } } }, "localname": "OtherRevenue", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherShorttermProvisions": { "auth_ref": [ "r42" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 6.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current provisions other than provisions for employee benefits. [Refer: Provisions]" } }, "en-us": { "role": { "label": "Other current provisions", "terseLabel": "Provisions" } } }, "localname": "OtherShorttermProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": { "auth_ref": [ "r81" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 6.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate]" } }, "en-us": { "role": { "label": "Other tax effects for reconciliation between accounting profit and tax expense (income)", "terseLabel": "Other" } } }, "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 5.0, "parentTag": "ifrs-full_AverageEffectiveTaxRate", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "Tax rate effects, in aggregate, on the reconciliation between the average effective tax rate and the applicable tax rate that the entity does not separately disclose in the reconciliation. [Refer: Average effective tax rate; Applicable tax rate]" } }, "en-us": { "role": { "label": "Other tax rate effects for reconciliation between accounting profit and tax expense (income)", "terseLabel": "Tax rate effect for other (as a percent)" } } }, "localname": "OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_OtherTemporaryDifferencesMember": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "This member stands for temporary differences that the entity does not separately disclose in the same statement or note. [Refer: Temporary differences [member]]" } }, "en-us": { "role": { "label": "Other Differences" } } }, "localname": "OtherTemporaryDifferencesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r118" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "tu_TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost. Past service cost is the change in the present value of the defined benefit obligation for employee service in prior periods, resulting from a plan amendment (the introduction or withdrawal of, or changes to, a defined benefit plan) or a curtailment (a significant reduction by the entity in the number of employees covered by a plan). [Refer: Net defined benefit liability (asset); Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Past service cost, net defined benefit liability (asset)", "negatedLabel": "Benefits earned for past service" } } }, "localname": "PastServiceCostNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r120" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)]" } }, "en-us": { "role": { "label": "Payments from plan, net defined benefit liability (asset)", "negatedLabel": "BENEFITS PAID BY PLANS" } } }, "localname": "PaymentsFromPlanNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r120" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Payments in respect of settlements, net defined benefit liability (asset)", "negatedLabel": "Settlements" } } }, "localname": "PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees": { "auth_ref": [ "r210" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for payments to suppliers for goods and services and to, and on behalf of, employees." } }, "en-us": { "role": { "label": "Payments to suppliers for goods and services and to and on behalf of employees", "negatedLabel": "Employer contributions to employee defined benefit plans" } } }, "localname": "PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PensionDefinedBenefitPlansMember": { "auth_ref": [ "r104" ], "lang": { "en": { "role": { "documentation": "This member stands for pension defined benefit plans. [Refer: Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Pension plan" } } }, "localname": "PensionDefinedBenefitPlansMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PercentageOfEntitysRevenue": { "auth_ref": [ "r404" ], "lang": { "en": { "role": { "documentation": "The percentage of the entity's revenue. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Percentage of entity's revenue", "terseLabel": "Portion of revenue due to economic interest (as a per cent)" } } }, "localname": "PercentageOfEntitysRevenue", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption": { "auth_ref": [ "r129" ], "lang": { "en": { "role": { "documentation": "The reasonably possible percentage of the decrease in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]" } }, "en-us": { "role": { "label": "Percentage of reasonably possible decrease in actuarial assumption", "terseLabel": "Decrease in actuarial assumption (as a per cent)" } } }, "localname": "PercentageOfReasonablyPossibleDecreaseInActuarialAssumption", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_PercentageOfVotingEquityInterestsAcquired": { "auth_ref": [ "r323" ], "lang": { "en": { "role": { "documentation": "The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]" } }, "en-us": { "role": { "label": "Percentage of voting equity interests acquired", "terseLabel": "Ownership interest in businesses acquired (as a percentage)" } } }, "localname": "PercentageOfVotingEquityInterestsAcquired", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_PlanAssetsAtFairValue": { "auth_ref": [ "r136" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]" } }, "en-us": { "role": { "label": "Plan assets, at fair value", "totalLabel": "Fair value" } } }, "localname": "PlanAssetsAtFairValue", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PlanAssetsMember": { "auth_ref": [ "r108" ], "lang": { "en": { "role": { "documentation": "This member stands for defined benefit plan assets. Plan assets comprise: (a) assets held by a long-term employee benefit fund; and (b) qualifying insurance policies." } }, "en-us": { "role": { "label": "Plan assets" } } }, "localname": "PlanAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans": { "auth_ref": [ "r102", "r134" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 4.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of post-employment benefit expense included in profit or loss relating to defined benefit plans. [Refer: Profit (loss); Defined benefit plans [member]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss]" } }, "en-us": { "role": { "label": "Post-employment benefit expense, defined benefit plans", "verboseLabel": "Pensions - defined benefit" } } }, "localname": "PostemploymentBenefitExpenseDefinedBenefitPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans": { "auth_ref": [ "r135" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 3.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 }, "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods." } }, "en-us": { "role": { "label": "Post-employment benefit expense, defined contribution plans", "terseLabel": "Pensions - defined contribution", "totalLabel": "Total" } } }, "localname": "PostemploymentBenefitExpenseDefinedContributionPlans", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PresentValueOfDefinedBenefitObligationMember": { "auth_ref": [ "r109" ], "lang": { "en": { "role": { "documentation": "This member stands for the present value of a defined benefit obligation. The present value of a defined benefit obligation is the present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods." } }, "en-us": { "role": { "label": "Present value of the defined benefit obligations" } } }, "localname": "PresentValueOfDefinedBenefitObligationMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PreviouslyStatedMember": { "auth_ref": [ "r5", "r231", "r234", "r235" ], "lang": { "en": { "role": { "documentation": "This member stands for the information previously stated in the financial statements (ie before retrospective application or retrospective restatement)." } }, "en-us": { "role": { "label": "As previously reported" } } }, "localname": "PreviouslyStatedMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests": { "auth_ref": [ "r214" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from proceeds from contributions of non-controlling interests. [Refer: Non-controlling interests]" } }, "en-us": { "role": { "label": "Proceeds from contributions of non-controlling interests", "terseLabel": "Cash proceeds received" } } }, "localname": "ProceedsFromContributionsOfNoncontrollingInterests", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets": { "auth_ref": [ "r212" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the disposal of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets. [Refer: Intangible assets other than goodwill; Investment property; Other non-current assets; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets", "terseLabel": "Proceeds on disposition" } } }, "localname": "ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromIssuingShares": { "auth_ref": [ "r213" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from issuing shares." } }, "en-us": { "role": { "label": "Proceeds from issuing shares", "netLabel": "Gross proceeds of shares issued", "terseLabel": "Common Shares issued" } } }, "localname": "ProceedsFromIssuingShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromNoncurrentBorrowings": { "auth_ref": [ "r214" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from non-current borrowings obtained. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Proceeds from noncurrent borrowings", "terseLabel": "Long-term debt issued" } } }, "localname": "ProceedsFromNoncurrentBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares": { "auth_ref": [ "r214" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The cash inflow from the sale or issuing of treasury shares. [Refer: Sale or issue of treasury shares; Treasury shares]" } }, "en-us": { "role": { "label": "Proceeds from sale or issue of treasury shares", "terseLabel": "Treasury shares value purchased" } } }, "localname": "ProceedsFromSaleOrIssueOfTreasuryShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProductsAndServicesAxis": { "auth_ref": [ "r293", "r400" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Products and services [axis]" } } }, "localname": "ProductsAndServicesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ProductsAndServicesMember": { "auth_ref": [ "r293", "r400" ], "lang": { "en": { "role": { "documentation": "This member stands for the entity's products and services. It also represents the standard value for the 'Products and services' axis if no other member is used." } }, "en-us": { "role": { "label": "Products and services [member]" } } }, "localname": "ProductsAndServicesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ProfitLoss": { "auth_ref": [ "r6", "r50", "r215", "r238", "r240", "r250", "r393", "r395", "r411", "r424" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_ComprehensiveIncome", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Profit (loss)", "netLabel": "Net income", "terseLabel": "Net income", "totalLabel": "NET INCOME" } } }, "localname": "ProfitLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossAttributableToAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Profit (loss), attributable to [abstract]", "terseLabel": "NET INCOME ATTRIBUTABLE TO:" } } }, "localname": "ProfitLossAttributableToAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": { "auth_ref": [ "r53", "r243" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": 2.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]" } }, "en-us": { "role": { "label": "Profit (loss), attributable to non-controlling interests", "terseLabel": "Non-controlling interests" } } }, "localname": "ProfitLossAttributableToNoncontrollingInterests", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossAttributableToOwnersOfParent": { "auth_ref": [ "r54" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 9.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncomeCalc2": { "order": 1.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss), attributable to owners of parent", "terseLabel": "Common Shares" } } }, "localname": "ProfitLossAttributableToOwnersOfParent", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossBeforeTax": { "auth_ref": [ "r1", "r2", "r338", "r393", "r395" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_ProfitLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) before tax expense or income. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss) before tax", "terseLabel": "Income before income taxes", "totalLabel": "INCOME BEFORE INCOME TAXES" } } }, "localname": "ProfitLossBeforeTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProfitLossFromOperatingActivities": { "auth_ref": [ "r61", "r160" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_ProfitLossBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The profit (loss) from operating activities of the entity. [Refer: Profit (loss)]" } }, "en-us": { "role": { "label": "Profit (loss) from operating activities", "terseLabel": "Operating income", "totalLabel": "OPERATING INCOME" } } }, "localname": "ProfitLossFromOperatingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets": { "auth_ref": [ "r125" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails": { "order": 5.0, "parentTag": "ifrs-full_PlanAssetsAtFairValue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount real estate contributes to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]" } }, "en-us": { "role": { "label": "Real estate, amount contributed to fair value of plan assets", "terseLabel": "Real estate" } } }, "localname": "PropertyAmountContributedToFairValueOfPlanAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipment": { "auth_ref": [ "r19", "r96" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 5.0, "parentTag": "ifrs-full_NoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period." } }, "en-us": { "role": { "label": "Property, plant and equipment.", "periodEndLabel": "Property, plant and equipment at end of period", "periodStartLabel": "Property, plant and equipment at beginning of period", "terseLabel": "Property, plant and equipment, net" } } }, "localname": "PropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PropertyPlantAndEquipmentMember": { "auth_ref": [ "r97", "r167", "r301" ], "lang": { "en": { "role": { "documentation": "This member stands for property, plant and equipment. It also represents the standard value for the 'Classes of property, plant and equipment' axis if no other member is used. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Property, plant and equipment [member]" } } }, "localname": "PropertyPlantAndEquipmentMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329", "r336" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Business combinations [member]]" } }, "en-us": { "role": { "label": "Property, plant and equipment recognised as of acquisition date", "terseLabel": "Property, plant and equipment" } } }, "localname": "PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ProportionOfOwnershipInterestInSubsidiary": { "auth_ref": [ "r156", "r158", "r247" ], "lang": { "en": { "role": { "documentation": "The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Proportion of ownership interest in subsidiary", "terseLabel": "Percent ownership", "verboseLabel": "Economic interest" } } }, "localname": "ProportionOfOwnershipInterestInSubsidiary", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests": { "auth_ref": [ "r242" ], "lang": { "en": { "role": { "documentation": "The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]" } }, "en-us": { "role": { "label": "Proportion of ownership interests held by non-controlling interests", "terseLabel": "Ownership interest percentage" } } }, "localname": "ProportionOfOwnershipInterestsHeldByNoncontrollingInterests", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ProportionOfVotingPowerHeldInAssociate": { "auth_ref": [ "r156", "r158", "r248" ], "lang": { "en": { "role": { "documentation": "The proportion of the voting rights in an associate held by the entity. [Refer: Associates [member]]" } }, "en-us": { "role": { "label": "Proportion of voting rights held in associate", "terseLabel": "Voting interest (in percent)" } } }, "localname": "ProportionOfVotingPowerHeldInAssociate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ProportionOfVotingPowerHeldInSubsidiary": { "auth_ref": [ "r156", "r158", "r247" ], "lang": { "en": { "role": { "documentation": "The proportion of the voting rights in a subsidiary held by the entity. [Refer: Subsidiaries [member]]" } }, "en-us": { "role": { "label": "Proportion of voting rights held in subsidiary", "terseLabel": "Voting and controlling interest" } } }, "localname": "ProportionOfVotingPowerHeldInSubsidiary", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_ProvisionUsedOtherProvisions": { "auth_ref": [ "r182" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]" } }, "en-us": { "role": { "label": "Provision used, other provisions", "negatedLabel": "Uses" } } }, "localname": "ProvisionUsedOtherProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities": { "auth_ref": [ "r211" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchases of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Purchase of intangible assets, classified as investing activities", "negatedLabel": "Intangible assets subject to amortization" } } }, "localname": "PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": { "auth_ref": [ "r211" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Purchase of property, plant and equipment, classified as investing activities", "negatedLabel": "Property, plant and equipment" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets": { "auth_ref": [ "r212" ], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 3.0, "parentTag": "tu_CapitalExpendituresExcludingNonCash", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The cash outflow for the purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets. [Refer: Intangible assets other than goodwill; Investment property; Other non-current assets; Property, plant and equipment]" } }, "en-us": { "role": { "label": "Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets", "negatedTotalLabel": "Total" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_PurchaseOfTreasuryShares": { "auth_ref": [ "r9" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares]" } }, "en-us": { "role": { "label": "Purchase of treasury shares", "negatedLabel": "Treasury shares acquired" } } }, "localname": "PurchaseOfTreasuryShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RangeAxis": { "auth_ref": [ "r274", "r276", "r279", "r315", "r371", "r412" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Range [axis]" } } }, "localname": "RangeAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_RangesMember": { "auth_ref": [ "r274", "r276", "r279", "r315", "r371", "r412" ], "lang": { "en": { "role": { "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used." } }, "en-us": { "role": { "label": "Ranges [member]" } } }, "localname": "RangesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax": { "auth_ref": [ "r65", "r433" ], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of reclassification adjustments related to cash flow hedges, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Cash flow hedges [member]; Other comprehensive income]" } }, "en-us": { "role": { "label": "Reclassification adjustments on cash flow hedges, before tax", "terseLabel": "Changes in unrealized fair value of derivatives designated as cash flow hedges gains (losses) transferred to net income, before tax", "verboseLabel": "Gain (loss) reclassified from other comprehensive income to income (effective portion)" } } }, "localname": "ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of accounting profit multiplied by applicable tax rates [abstract]", "terseLabel": "Reconciliation of effective tax rate" } } }, "localname": "ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of changes in allowance account for credit losses of financial assets [abstract]", "terseLabel": "Summary of activity related to allowance for doubtful accounts" } } }, "localname": "ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of changes in deferred tax liability (asset) [abstract]", "terseLabel": "Reconciliation of temporary differences" } } }, "localname": "ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of changes in other provisions [abstract]", "terseLabel": "provisions reconciliation" } } }, "localname": "ReconciliationOfChangesInOtherProvisionsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reconciliation of changes in property, plant and equipment [abstract]", "terseLabel": "property, plant and equipment" } } }, "localname": "ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_RecurringFairValueMeasurementMember": { "auth_ref": [ "r268" ], "lang": { "en": { "role": { "documentation": "This member stands for fair value measurements which other IFRSs require or permit in the statement of financial position at the end of each reporting period. [Refer: IFRSs [member]]" } }, "en-us": { "role": { "label": "Measured at fair value on a recurring basis" } } }, "localname": "RecurringFairValueMeasurementMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_RegulatoryDeferralAccountCreditBalances": { "auth_ref": [ "r277", "r278", "r280" ], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 4.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of regulatory deferral account credit balances. [Refer: Regulatory deferral account balances [member]]" } }, "en-us": { "role": { "label": "Regulatory deferral account credit balances", "terseLabel": "Regulatory deferral accounts" } } }, "localname": "RegulatoryDeferralAccountCreditBalances", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RentalIncome": { "auth_ref": [ "r13" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income recognised from rental activities." } }, "en-us": { "role": { "label": "Rental income", "terseLabel": "Revenue" } } }, "localname": "RentalIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReserveOfCashFlowHedges": { "auth_ref": [ "r43", "r407" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]]" } }, "en-us": { "role": { "label": "Reserve of cash flow hedges", "periodEndLabel": "Accumulated change in unrealized fair value of derivatives designated as cash flow hedge balance ending", "periodStartLabel": "Accumulated change in unrealized fair value of derivatives designated as cash flow hedge balance beginning" } } }, "localname": "ReserveOfCashFlowHedges", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReserveOfExchangeDifferencesOnTranslation": { "auth_ref": [ "r142" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]" } }, "en-us": { "role": { "label": "Reserve of exchange differences on translation", "periodEndLabel": "Accumulated foreign currency translation balance ending", "periodStartLabel": "Accumulated foreign currency translation balance beginning" } } }, "localname": "ReserveOfExchangeDifferencesOnTranslation", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssets": { "auth_ref": [ "r427" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "A component of equity representing accumulated gains and losses on remeasuring available-for-sale financial assets. [Refer: Financial assets available-for-sale]" } }, "en-us": { "role": { "label": "Reserve of gains and losses on remeasuring available-for-sale financial assets", "periodEndLabel": "Accumulated available-for-sale financial assets balance ending", "periodStartLabel": "Accumulated available-for-sale financial assets balance beginning" } } }, "localname": "ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssets", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RestatedMember": { "auth_ref": [ "r5", "r18", "r231", "r234", "r235", "r411" ], "lang": { "en": { "role": { "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used." } }, "en-us": { "role": { "label": "Currently stated [member]" } } }, "localname": "RestatedMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_RetainedEarningsMember": { "auth_ref": [ "r10", "r12" ], "lang": { "en": { "role": { "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit." } }, "en-us": { "role": { "label": "Retained earnings" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis": { "auth_ref": [ "r5", "r231", "r234", "r235" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Retrospective application and retrospective restatement [axis]" } } }, "localname": "RetrospectiveApplicationAndRetrospectiveRestatementAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset": { "auth_ref": [ "r114" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans", "weight": -1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [member]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)]" } }, "en-us": { "role": { "label": "Decrease (increase) in net defined benefit liability (asset) resulting from return on plan assets excluding interest income or expense", "terseLabel": "Plan assets - Difference between actual results and estimated plan assumptions" } } }, "localname": "ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_Revenue": { "auth_ref": [ "r1", "r2", "r57", "r250", "r256", "r338", "r388", "r394", "r400", "r401", "r404" ], "calculation": { "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_ProfitLossFromOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims." } }, "en-us": { "role": { "label": "Revenue", "terseLabel": "Operating revenues external and other income", "totalLabel": "Operating revenues and other income" } } }, "localname": "Revenue", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueAndOperatingIncome": { "auth_ref": [ "r61" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The aggregate amount of the entity's revenue and other operating income. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Revenue and other income" } } }, "localname": "RevenueAndOperatingIncome", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromContractsWithCustomers": { "auth_ref": [ "r282", "r283" ], "calculation": { "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails": { "order": 2.0, "parentTag": "tu_RevenueBeforeIntersegment", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_Revenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity\u2019s ordinary activities in exchange for consideration." } }, "en-us": { "role": { "label": "Revenue from contracts with customers", "totalLabel": "Operating revenues (arising from contracts with customers)", "verboseLabel": "Operating revenues (arising from contracts with customers)" } } }, "localname": "RevenueFromContractsWithCustomers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromInterest": { "auth_ref": [ "r13", "r261", "r389", "r398" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 1.0, "parentTag": "ifrs-full_FinanceCosts", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of income arising from interest." } }, "en-us": { "role": { "label": "Interest income", "negatedLabel": "Interest income" } } }, "localname": "RevenueFromInterest", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromRenderingOfServices": { "auth_ref": [ "r13" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue arising from the rendering of services. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Revenue from rendering of services", "totalLabel": "Total revenue from rendering of services" } } }, "localname": "RevenueFromRenderingOfServices", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromRenderingOfTelecommunicationServices": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_RevenueFromContractsWithCustomers", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue arising from the rendering of telecommunication services. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Revenue from rendering of telecommunication services", "terseLabel": "Service" } } }, "localname": "RevenueFromRenderingOfTelecommunicationServices", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueFromSaleOfGoods": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 2.0, "parentTag": "ifrs-full_RevenueFromContractsWithCustomers", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue arising from the sale of goods. [Refer: Revenue]" } }, "en-us": { "role": { "label": "Revenue from sale of goods", "terseLabel": "Equipment" } } }, "localname": "RevenueFromSaleOfGoods", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod": { "auth_ref": [ "r286" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of revenue that was included in the contract liability balance at the beginning of the period. [Refer: Contract liabilities; Revenue from contracts with customers]" } }, "en-us": { "role": { "label": "Revenue that was included in contract liability balance at beginning of period", "negatedLabel": "Revenue deferred in previous period and recognized in current period" } } }, "localname": "RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_RightofuseAssetsMember": { "auth_ref": [ "r297" ], "lang": { "en": { "role": { "documentation": "This member stands for right-of-use assets. [Refer: Right-of-use assets]" } }, "en-us": { "role": { "label": "Right-of-use assets [member]", "terseLabel": "Right-of-use lease assets" } } }, "localname": "RightofuseAssetsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_SegmentConsolidationItemsAxis": { "auth_ref": [ "r393" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Segment consolidation items [axis]" } } }, "localname": "SegmentConsolidationItemsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SegmentsAxis": { "auth_ref": [ "r105", "r169", "r284", "r393", "r420" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Segments [axis]" } } }, "localname": "SegmentsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SegmentsMember": { "auth_ref": [ "r105", "r169", "r284", "r399", "r420" ], "lang": { "en": { "role": { "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used." } }, "en-us": { "role": { "label": "Segments [member]" } } }, "localname": "SegmentsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk": { "auth_ref": [ "r367" ], "lang": { "en": { "role": { "documentation": "The disclosure of the sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible at that date. [Refer: Market risk [member]]" } }, "en-us": { "role": { "label": "Sensitivity analysis for types of market risk [text block]", "terseLabel": "Sensitivity analysis of exposure to market risks" } } }, "localname": "SensitivityAnalysisForEachTypeOfMarketRisk", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod": { "auth_ref": [ "r61" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The entity's share of the profit (loss) of joint ventures accounted for using the equity method. [Refer: Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]" } }, "en-us": { "role": { "label": "Share of profit (loss) of joint ventures accounted for using equity method", "terseLabel": "Equity losses related to real estate joint venture" } } }, "localname": "ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_SharebasedPaymentArrangementsMember": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "This member stands for an agreement between the entity or another group entity or any shareholder of the group entity and another party (including an employee) that entitles the other party to receive (a) cash or other assets of the entity for amounts that are based on the price (or value) of equity instruments (including shares or share options) of the entity or another group entity; or (b) equity instruments (including shares or share options) of the entity or another group entity, provided that the specified vesting conditions, if any, are met. It also represents the standard value for the 'Types of share-based payment arrangements' axis if no other member is used." } }, "en-us": { "role": { "label": "Share-based payment arrangements [member]" } } }, "localname": "SharebasedPaymentArrangementsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares": { "auth_ref": [ "r47" ], "lang": { "en": { "role": { "documentation": "The number of shares reserved for issue under options and contracts for the sale of shares." } }, "en-us": { "role": { "label": "Number of shares reserved for issue under options and contracts for sale of shares", "terseLabel": "Shares reserved for issuance" } } }, "localname": "SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "sharesItemType" }, "ifrs-full_ShorttermBorrowings": { "auth_ref": [ "r31" ], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 4.0, "parentTag": "ifrs-full_NetDebt", "weight": 1.0 }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Current borrowings", "terseLabel": "Short-term borrowings" } } }, "localname": "ShorttermBorrowings", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_ShorttermBorrowingsMember": { "auth_ref": [ "r224", "r229" ], "lang": { "en": { "role": { "documentation": "This member stands for short-term borrowings. [Refer: Borrowings]" } }, "en-us": { "role": { "label": "Short-term borrowings" } } }, "localname": "ShorttermBorrowingsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_ShorttermEmployeeBenefitsAccruals": { "auth_ref": [ "r44" ], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 2.0, "parentTag": "tu_AccruedAndEmployeeRelatedAndRestrictedStockUnitsLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current]" } }, "en-us": { "role": { "label": "Short-term employee benefits accruals", "terseLabel": "Payroll and other employee-related liabilities" } } }, "localname": "ShorttermEmployeeBenefitsAccruals", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_SignificantInvestmentsInAssociatesAxis": { "auth_ref": [ "r157", "r159", "r266", "r426", "r429" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Associates [axis]" } } }, "localname": "SignificantInvestmentsInAssociatesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": { "auth_ref": [ "r157", "r159", "r264" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Subsidiaries [axis]" } } }, "localname": "SignificantInvestmentsInSubsidiariesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of cash flows" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Condensed consolidated statements of changes in owners' equity" } } }, "localname": "StatementOfChangesInEquityAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityLineItems": { "auth_ref": [], "lang": { "en": { "role": { "documentation": "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." } }, "en-us": { "role": { "label": "Statement of changes in equity [line items]", "terseLabel": "Changes in owners' equity" } } }, "localname": "StatementOfChangesInEquityLineItems", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfChangesInEquityTable": { "auth_ref": [ "r10" ], "lang": { "en": { "role": { "documentation": "Schedule disclosing information related to changes in equity." } }, "en-us": { "role": { "label": "Statement of changes in equity [table]" } } }, "localname": "StatementOfChangesInEquityTable", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Condensed consolidated statements of income and other comprehensive income" } } }, "localname": "StatementOfComprehensiveIncomeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Condensed consolidated statements of financial position", "verboseLabel": "Statement of financial position" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of profit or loss and other comprehensive income [abstract]", "terseLabel": "Statement of income and other comprehensive income" } } }, "localname": "StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_SubsidiariesMember": { "auth_ref": [ "r149", "r157", "r159", "r264" ], "lang": { "en": { "role": { "documentation": "This member stands for entities that are controlled by another entity." } }, "en-us": { "role": { "label": "Wholly owned subsidiary" } } }, "localname": "SubsidiariesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_SubsidiariesWithMaterialNoncontrollingInterestsMember": { "auth_ref": [ "r245" ], "lang": { "en": { "role": { "documentation": "This member stands for subsidiaries that have non-controlling interests that are material to the reporting entity. [Refer: Subsidiaries [member]; Non-controlling interests]" } }, "en-us": { "role": { "label": "Subsidiary with significant non-controlling interest" } } }, "localname": "SubsidiariesWithMaterialNoncontrollingInterestsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense": { "auth_ref": [ "r77" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of benefit arising from a previously unrecognised tax loss, tax credit or temporary difference of a prior period that is used to reduce current tax expense. [Refer: Temporary differences [member]; Unused tax losses [member]; Unused tax credits [member]]" } }, "en-us": { "role": { "label": "Tax benefit arising from previously unrecognised tax loss, tax credit or temporary difference of prior period used to reduce current tax expense", "terseLabel": "Tax benefits recognized" } } }, "localname": "TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": { "auth_ref": [ "r81" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 3.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to expenses not deductible in determining taxable profit (tax loss). [Refer: Accounting profit]" } }, "en-us": { "role": { "label": "Non-deductible amounts" } } }, "localname": "TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": { "auth_ref": [ "r81" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]" } }, "en-us": { "role": { "label": "Tax expense (income) at applicable tax rate", "terseLabel": "Income taxes computed at applicable statutory rates" } } }, "localname": "TaxExpenseIncomeAtApplicableTaxRate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TaxRateEffectFromChangeInTaxRate": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 2.0, "parentTag": "ifrs-full_AverageEffectiveTaxRate", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from a change in tax rate. [Refer: Average effective tax rate; Applicable tax rate]" } }, "en-us": { "role": { "label": "Tax rate effect from change in tax rate", "terseLabel": "Tax rate effect for revaluation of deferred income tax liability to reflect future income tax rates (as a percent)" } } }, "localname": "TaxRateEffectFromChangeInTaxRate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 3.0, "parentTag": "ifrs-full_AverageEffectiveTaxRate", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "Tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from adjustments for the current tax of prior periods. [Refer: Average effective tax rate; Applicable tax rate; Adjustments for current tax of prior periods]" } }, "en-us": { "role": { "label": "Tax rate effect of adjustments for current tax of prior periods", "terseLabel": "Tax rate effect for adjustments recognized in the current period for income taxes of prior periods (as a percent)" } } }, "localname": "TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": { "auth_ref": [ "r82" ], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 4.0, "parentTag": "ifrs-full_AverageEffectiveTaxRate", "weight": -1.0 } }, "lang": { "en": { "role": { "documentation": "The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from the expenses not deductible in determining taxable profit. [Refer: Average effective tax rate; Applicable tax rate]" } }, "en-us": { "role": { "label": "Tax rate effect for non-deductible amounts (as a percent)" } } }, "localname": "TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Temporary difference, unused tax losses and unused tax credits [axis]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "This member stands for temporary differences, unused tax losses and unused tax credits. It also represents the standard value for the 'Temporary difference, unused tax losses and unused tax credits' axis if no other member is used. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]" } }, "en-us": { "role": { "label": "Temporary difference, unused tax losses and unused tax credits [member]" } } }, "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TopOfRangeMember": { "auth_ref": [ "r274", "r276", "r279", "r315", "r371", "r412" ], "lang": { "en": { "role": { "documentation": "This member stands for top of a range." } }, "en-us": { "role": { "label": "Top of range [member]", "terseLabel": "Maximum" } } }, "localname": "TopOfRangeMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails", "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TradeAndOtherCurrentPayables": { "auth_ref": [ "r24" ], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 8.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]" } }, "en-us": { "role": { "label": "Trade and other current payables", "terseLabel": "Accounts payable and accrued liabilities", "totalLabel": "Total" } } }, "localname": "TradeAndOtherCurrentPayables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": { "auth_ref": [ "r39", "r44" ], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 4.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]" } }, "en-us": { "role": { "label": "Current trade payables", "terseLabel": "Trade accounts payable" } } }, "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherCurrentReceivables": { "auth_ref": [ "r22", "r40" ], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 2.0, "parentTag": "ifrs-full_CurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]" } }, "en-us": { "role": { "label": "Trade and other current receivables", "terseLabel": "Accounts receivable", "totalLabel": "Accounts receivable - current" } } }, "localname": "TradeAndOtherCurrentReceivables", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherPayablesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "accounts payable and accrued liabilities" } } }, "localname": "TradeAndOtherPayablesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate": { "auth_ref": [ "r329" ], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 5.0, "parentTag": "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount recognised as of the acquisition date for trade and other payables assumed in a business combination. [Refer: Trade and other payables; Business combinations [member]]" } }, "en-us": { "role": { "label": "Trade and other payables recognised as of acquisition date", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "TradeAndOtherPayablesRecognisedAsOfAcquisitionDate", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TradeAndOtherReceivablesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "revenue from contracts with customers" } } }, "localname": "TradeAndOtherReceivablesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "xbrltype": "stringItemType" }, "ifrs-full_TradeReceivablesMember": { "auth_ref": [ "r13", "r353", "r360", "r362" ], "lang": { "en": { "role": { "documentation": "This member stands for trade receivables. [Refer: Trade receivables]" } }, "en-us": { "role": { "label": "Customer accounts receivable" } } }, "localname": "TradeReceivablesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TradingIncomeExpenseOnForeignExchangeContracts": { "auth_ref": [ "r13" ], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 2.0, "parentTag": "ifrs-full_InterestExpense", "weight": -1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of trading income (expense) relating to foreign exchange contracts. [Refer: Trading income (expense)]" } }, "en-us": { "role": { "label": "Trading income (expense) on foreign exchange contracts", "negatedLabel": "Foreign exchange" } } }, "localname": "TradingIncomeExpenseOnForeignExchangeContracts", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations": { "auth_ref": [ "r289" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period. The transaction price is the amount of consideration to which an entity expects to be entitled in exchange for transferring promised goods or services to a customer, excluding amounts collected on behalf of third parties (for example, some sales taxes). [Refer: Performance obligations [member]]" } }, "en-us": { "role": { "label": "Transaction price allocated to remaining performance obligations", "terseLabel": "Transaction price allocated to remaining performance obligations" } } }, "localname": "TransactionPriceAllocatedToRemainingPerformanceObligations", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_TypesOfHedgesAxis": { "auth_ref": [ "r343", "r344", "r347", "r431" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of hedges [axis]" } } }, "localname": "TypesOfHedgesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfHedgesMember": { "auth_ref": [ "r343", "r344", "r347", "r431" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of hedges. It also represents the standard value for the 'Types of hedges' axis if no other member is used." } }, "en-us": { "role": { "label": "Hedges [member]" } } }, "localname": "TypesOfHedgesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TypesOfInterestRatesAxis": { "auth_ref": [ "r366" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of interest rates [axis]" } } }, "localname": "TypesOfInterestRatesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksAxis": { "auth_ref": [ "r341", "r351", "r352", "r413", "r414", "r415", "r417" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of risks [axis]" } } }, "localname": "TypesOfRisksAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_TypesOfRisksMember": { "auth_ref": [ "r341", "r351", "r352", "r413", "r414", "r415", "r417" ], "lang": { "en": { "role": { "documentation": "This member stands for all types of risks. It also represents the standard value for the 'Types of risks' axis if no other member is used." } }, "en-us": { "role": { "label": "Risks [member]" } } }, "localname": "TypesOfRisksMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_TypesOfSharebasedPaymentArrangementsAxis": { "auth_ref": [ "r316" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Types of share-based payment arrangements [axis]" } } }, "localname": "TypesOfSharebasedPaymentArrangementsAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_UnconsolidatedStructuredEntitiesAxis": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table." } }, "en-us": { "role": { "label": "Unconsolidated structured entities [axis]" } } }, "localname": "UnconsolidatedStructuredEntitiesAxis", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "ifrs-full_UnconsolidatedStructuredEntitiesMember": { "auth_ref": [ "r267" ], "lang": { "en": { "role": { "documentation": "This member stands for unconsolidated structured entities. A structured entity is an entity that has been designed so that voting or similar rights are not the dominant factor in deciding who controls the entity, such as when any voting rights relate to administrative tasks only and the relevant activities are directed by means of contractual arrangements. [Refer: Consolidated [member]]" } }, "en-us": { "role": { "label": "Unconsolidated structured entities [member]", "terseLabel": "Real estate joint ventures" } } }, "localname": "UnconsolidatedStructuredEntitiesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UndrawnBorrowingFacilities": { "auth_ref": [ "r227" ], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails": { "order": 2.0, "parentTag": "tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails": { "order": 2.0, "parentTag": "tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en": { "role": { "documentation": "The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]" } }, "en-us": { "role": { "label": "Undrawn borrowing facilities", "terseLabel": "Net available", "verboseLabel": "Undrawn borrowing facilities" } } }, "localname": "UndrawnBorrowingFacilities", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_UnusedProvisionReversedOtherProvisions": { "auth_ref": [ "r183" ], "crdr": "debit", "lang": { "en": { "role": { "documentation": "The amount reversed for unused other provisions. [Refer: Other provisions]" } }, "en-us": { "role": { "label": "Unused provision reversed, other provisions", "negatedLabel": "Reversals" } } }, "localname": "UnusedProvisionReversedOtherProvisions", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_UnusedTaxCreditsMember": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "This member stands for tax credits that have been received and are carried forward for use against future taxable profit." } }, "en-us": { "role": { "label": "Investment Tax Credits" } } }, "localname": "UnusedTaxCreditsMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UnusedTaxLossesMember": { "auth_ref": [ "r85" ], "lang": { "en": { "role": { "documentation": "This member stands for tax losses that have been incurred and are carried forward for use against future taxable profit." } }, "en-us": { "role": { "label": "Losses available to be carried forward" } } }, "localname": "UnusedTaxLossesMember", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r189" ], "lang": { "en": { "role": { "documentation": "The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]" } }, "en-us": { "role": { "label": "Useful life measured as period of time, intangible assets other than goodwill", "terseLabel": "Useful life of intangible assets", "verboseLabel": "Estimated useful lives of purchased intangible assets other than goodwill" } } }, "localname": "UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment": { "auth_ref": [ "r89" ], "lang": { "en": { "role": { "documentation": "The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]" } }, "en-us": { "role": { "label": "Useful Lives Property Plant And Equipment", "terseLabel": "Useful lives" } } }, "localname": "UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_WagesAndSalaries": { "auth_ref": [ "r137" ], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 7.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en": { "role": { "documentation": "A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]" } }, "en-us": { "role": { "label": "Wages and salaries", "terseLabel": "Wages and salaries" } } }, "localname": "WagesAndSalaries", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019": { "auth_ref": [ "r132" ], "lang": { "en": { "role": { "documentation": "The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average duration of defined benefit obligation", "terseLabel": "Present value-weighted average timing of estimate cash flows for obligations (in years)" } } }, "localname": "WeightedAverageDurationOfDefinedBenefitObligation2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": { "auth_ref": [ "r313" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options exercisable in share-based payment arrangement", "periodEndLabel": "Exercisable, end of period (in dollar per share)", "verboseLabel": "Weighted average share price of exercisable" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r310" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options exercised in share-based payment arrangement", "terseLabel": "Weighted average share price of options exercised", "verboseLabel": "Exercised (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019": { "auth_ref": [ "r311" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options expired in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options expired in share-based payment arrangement", "terseLabel": "Weighted average share price of options expired" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r309" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options forfeited in share-based payment arrangement", "terseLabel": "Weighted average share price of options forfeited", "verboseLabel": "Forfeited (in dollars per share)" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": { "auth_ref": [ "r308" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options granted in share-based payment arrangement", "terseLabel": "Granted (in dollars per share)", "verboseLabel": "Weighted average share price of options granted" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": { "auth_ref": [ "r307", "r312" ], "lang": { "en": { "role": { "documentation": "The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average exercise price of share options outstanding in share-based payment arrangement", "periodEndLabel": "Weighted average share price of options outstanding, end of period", "periodStartLabel": "Weighted average share price of options outstanding, beginning of period" } } }, "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted": { "auth_ref": [ "r319" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average fair value at measurement date, other than equity instruments granted", "terseLabel": "Grant-date fair value Awarded in period" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted": { "auth_ref": [ "r318" ], "crdr": "credit", "lang": { "en": { "role": { "documentation": "The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average fair value at measurement date, share options granted", "terseLabel": "Grant-date fair value Awarded in period" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateShareOptionsGranted", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019": { "auth_ref": [ "r315" ], "lang": { "en": { "role": { "documentation": "The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average remaining contractual life of outstanding share options", "terseLabel": "Weighted average remaining contractual life (years)" } } }, "localname": "WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "durationItemType" }, "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": { "auth_ref": [ "r317" ], "lang": { "en": { "role": { "documentation": "The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]" } }, "en-us": { "role": { "label": "Weighted average share price, share options granted", "verboseLabel": "Share option award fair value (per share option)" } } }, "localname": "WeightedAverageSharePriceShareOptionsGranted2019", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "perShareItemType" }, "ifrs-full_WeightedAverageShares": { "auth_ref": [ "r163" ], "calculation": { "http://www.telus.com/role/DisclosurePerShareAmountsDetails": { "order": 2.0, "parentTag": "ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares", "weight": 1.0 } }, "lang": { "en": { "role": { "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor." } }, "en-us": { "role": { "label": "Weighted average number of ordinary shares outstanding", "terseLabel": "Basic", "verboseLabel": "Basic total weighted average number of Common Shares outstanding" } } }, "localname": "WeightedAverageShares", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "sharesItemType" }, "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract]", "terseLabel": "TOTAL WEIGHTED AVERAGE COMMON SHARES OUTSTANDING" } } }, "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract", "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Counterparty Name [Axis]" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "stringItemType" }, "srt_CurrencyAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Currency [Axis]" } } }, "localname": "CurrencyAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "srt_ExecutiveOfficerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Executive Team member" } } }, "localname": "ExecutiveOfficerMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Maximum [member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "domainItemType" }, "srt_ParentCompanyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Parent Company [Member]" } } }, "localname": "ParentCompanyMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwill", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosurePerShareAmountsTables", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipment", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentTables", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails", "http://www.telus.com/role/DocumentDocumentAndEntityInformation" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Counterparty Name [Domain]" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Forecast" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "tu_AccessToRightsOfWayCrowdSourceAssetsAndOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of intangible assets representing access to rights-of-way, crowdsource assets and other.", "label": "Access to rights-of-way, crowdsource assets and other" } } }, "localname": "AccessToRightsOfWayCrowdSourceAssetsAndOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_AccountsPayableAndAccruedLiabilitiesTransferred": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of accounts payable and accrued liabilities transferred as consideration in a business combination.", "label": "Accounts Payable and Accrued Liabilities Transferred", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesTransferred", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_AccountsPayableConsiderationTransferred": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of accounts payable transferred as consideration.", "label": "Accounts Payable Consideration Transferred", "terseLabel": "Consideration in accounts payable" } } }, "localname": "AccountsPayableConsiderationTransferred", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AccountsReceivableWrittenOffDirectlyToProfitOrLoss": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accounts receivable that the entity writes off directly to profit or loss.", "label": "Accounts Receivable Written Off Directly to Profit or Loss", "terseLabel": "Accounts receivable written off directly to doubtful accounts expense" } } }, "localname": "AccountsReceivableWrittenOffDirectlyToProfitOrLoss", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "tu_AccruedAndEmployeeRelatedAndRestrictedStockUnitsLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 5.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of accrued, employee related and restricted share units liabilities.", "label": "Accrued And Employee Related And Restricted Stock Units Liabilities", "totalLabel": "Total" } } }, "localname": "AccruedAndEmployeeRelatedAndRestrictedStockUnitsLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AccruedLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 3.0, "parentTag": "tu_AccruedAndEmployeeRelatedAndRestrictedStockUnitsLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of current accrued liabilities.", "label": "Accrued Liabilities", "terseLabel": "Accrued liabilities" } } }, "localname": "AccruedLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AccumulatedOtherComprehensiveIncomePreTaxInterestRateAndCurrencyHedgesOnUSDLongTermDebt": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 1.0, "parentTag": "ifrs-full_NetDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Accumulated other comprehensive income amounts arising from financial instruments used to manage interest rate and currency risks associated with U.S. dollar-denominated long-term debt (excluding tax effects)", "label": "Accumulated Other Comprehensive Income Pre Tax Interest Rate And Currency Hedges On USD Long Term Debt", "terseLabel": "Accumulated other comprehensive income amounts arising from financial instruments used to manage interest rate and currency risks associated with U.S. dollar-denominated long-term debt - excluding tax effects" } } }, "localname": "AccumulatedOtherComprehensiveIncomePreTaxInterestRateAndCurrencyHedgesOnUSDLongTermDebt", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AcquisitionDateFairValueEquityInterestsOfSubsidiaryOfAcquirerToNonControllingInterestAsConsiderationInBusinessCombination": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 5.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at the acquisition date, of equity interests of a subsidiary of the acquirer transferred to a non-controlling interest as consideration in a business combination.", "label": "Acquisition Date Fair Value Equity Interests Of Subsidiary Of Acquirer To Non Controlling Interest As Consideration In Business Combination", "terseLabel": "Issue of shares by a subsidiary to a non-controlling interest" } } }, "localname": "AcquisitionDateFairValueEquityInterestsOfSubsidiaryOfAcquirerToNonControllingInterestAsConsiderationInBusinessCombination", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_AcquisitionFiveMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for acquision 5.", "label": "Acquisition 5" } } }, "localname": "AcquisitionFiveMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AcquisitionFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for acquisition 4.", "label": "Acquisition 4" } } }, "localname": "AcquisitionFourMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AcquisitionOfCameroonMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for acquisition of Cameroon.", "label": "Cameroon" } } }, "localname": "AcquisitionOfCameroonMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "domainItemType" }, "tu_AcquisitionThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for acquisition 3.", "label": "Acquisition 3" } } }, "localname": "AcquisitionThreeMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_ActualPercentageOfMatchingContributionHighlyCompensatedJobClassificationsToEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The actual percentage of the entity's matching contribution to employees' contribution from their pay to the employee share purchase plan for highly compensated job classifications.", "label": "Actual Percentage Of Matching Contribution, Highly Compensated Job Classifications, To Employee Share Purchase Plan", "terseLabel": "Actual matching contribution for highly compensated job classifications" } } }, "localname": "ActualPercentageOfMatchingContributionHighlyCompensatedJobClassificationsToEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_ActualPercentageOfMatchingContributionToEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The actual percentage of the entity's matching contribution to employees' contribution from their pay to the employee share purchase plan.", "label": "Actual Percentage Of Matching Contribution To Employee Share Purchase Plan", "terseLabel": "Actual matching contribution" } } }, "localname": "ActualPercentageOfMatchingContributionToEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_ActuarialAssumptionOfDiscountRatesCurrentServiceCostInSubsequentYear": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The discount rate used as the significant actuarial assumption to determine current service cost in subsequent fiscal year.", "label": "Actuarial Assumption Of Discount Rates, Current Service Cost In Subsequent Year", "terseLabel": "Discount rate used to determine current service cost in subsequent fiscal year" } } }, "localname": "ActuarialAssumptionOfDiscountRatesCurrentServiceCostInSubsequentYear", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "tu_ActuarialAssumptionOfDiscountRatesNetBenefitCosts": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The discount rate used as the significant actuarial assumption to determine net benefit costs.", "label": "Actuarial Assumption Of Discount Rates, Net Benefit Costs", "terseLabel": "Discount rate used to determine net benefit costs" } } }, "localname": "ActuarialAssumptionOfDiscountRatesNetBenefitCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "tu_ActuarialAssumptionOfLifeExpectancyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the life expectancy used as actuarial assumptions.", "label": "Life expectancy" } } }, "localname": "ActuarialAssumptionOfLifeExpectancyMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "domainItemType" }, "tu_ActuarialAssumptionOfRateOfFutureIncreaseNetBenefitCosts": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The rate of future increases in compensation used as the significant actuarial assumption to determine net benefit costs.", "label": "Actuarial Assumption Of Rate Of Future Increase, Net Benefit Costs", "terseLabel": "Rate of future increases in compensation used to determine net benefit costs" } } }, "localname": "ActuarialAssumptionOfRateOfFutureIncreaseNetBenefitCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "percentItemType" }, "tu_AdditionalCapitalExpendituresFromFinanceLeases": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "tu_CapitalExpendituresExcludingNonCash", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow related to finance leases, classified as investing activities.", "label": "Additional Capital Expenditures from Finance Leases", "negatedLabel": "Additions arising from leases" } } }, "localname": "AdditionalCapitalExpendituresFromFinanceLeases", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdditionalCapitalExpendituresFromNonMonetaryTransactions": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "tu_CapitalExpendituresExcludingNonCash", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of non-monetary transaction for the purchase of capital expenditures.", "label": "Additional Capital Expenditures from Non-monetary Transactions", "terseLabel": "Additions arising from non-monetary transactions" } } }, "localname": "AdditionalCapitalExpendituresFromNonMonetaryTransactions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdditionsAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of additions for assets recognised from the costs incurred to obtain or fulfil contracts with customers.", "label": "Additions, assets recognised from costs incurred to obtain or fulfil contracts with customers", "terseLabel": "Additions" } } }, "localname": "AdditionsAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdditionsInRespectOfAssetRetirementObligations": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of additions in respect of asset retirement obligations.", "label": "Additions In Respect Of Asset Retirement Obligations", "terseLabel": "Additions in respect of asset retirement obligations" } } }, "localname": "AdditionsInRespectOfAssetRetirementObligations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdditionsInRespectOfAssetsUnderFinanceLease": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of additions in respect of assets under finance lease.", "label": "Additions In Respect Of Assets Under Finance Lease", "terseLabel": "Additions in respect of assets under finance lease" } } }, "localname": "AdditionsInRespectOfAssetsUnderFinanceLease", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustedDeferredTaxLiabilityAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of adjusted deferred tax liability", "label": "Adjusted Deferred Tax Liability Assets", "periodStartLabel": "Adjusted balance" } } }, "localname": "AdjustedDeferredTaxLiabilityAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjusted EBITDA is defined as the entity's adjusted operating revenues less goods and services purchased and employee be", "label": "Adjusted Earnings Before Interest Tax Depreciation And Amortization", "terseLabel": "Adjusted EBITDA" } } }, "localname": "AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustedNetEarningsAttributableToCommonShares": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Net earnings attributable to common shares adjusted to exclude the gain and net equity income related to real estate redevelopment project, business-acquisition-related provisions, long-term debt prepayment premiums, and initial and committed donations to TELUS Future Friendly Foundation, all after income taxes and other tax-related adjustments.", "label": "Adjusted Net Earnings Attributable To Common Shares", "totalLabel": "Adjusted net earnings attributable to Common Shares" } } }, "localname": "AdjustedNetEarningsAttributableToCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentForLeasePrincipal": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents impact to EBITDA related to the effects of lease principal.", "label": "Adjustment for Lease Principal", "negatedLabel": "Effects of lease principal" } } }, "localname": "AdjustmentForLeasePrincipal", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentForLeasesAccountedForAsFinanceLeasesPriorToAdoptionOfIfrs16": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "impact to EBITDA related to leases accounted for as finance leases prior to adoption of IFRS 16.", "label": "Adjustment for Leases Accounted for as Finance Leases Prior to Adoption of IFRS 16", "negatedLabel": "Leases accounted for as finance leases prior to adoption of IFRS 16" } } }, "localname": "AdjustmentForLeasesAccountedForAsFinanceLeasesPriorToAdoptionOfIfrs16", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentForSubordinatedNotes": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 3.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of adjustment for subordinated notes.", "label": "Adjustment For Subordinated Notes", "negatedLabel": "Adjustment for subordinated notes" } } }, "localname": "AdjustmentForSubordinatedNotes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentsForDecreaseIncreaseInNonCurrentContractAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease (increase) in non-current contract assets to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for Decrease (Increase) in Non-current Contract Assets", "terseLabel": "Non-current contract assets" } } }, "localname": "AdjustmentsForDecreaseIncreaseInNonCurrentContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentsForDecreaseIncreaseInNonCurrentUnbilledCustomerFinanceReceivables": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease (increase) in non-current unbilled customer finance receivables to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments for Decrease (Increase) in Non-current Unbilled Customer Finance Receivables", "terseLabel": "Non-current unbilled customer finance receivables" } } }, "localname": "AdjustmentsForDecreaseIncreaseInNonCurrentUnbilledCustomerFinanceReceivables", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentsForEffectsOfContractAssetAcquisitionAndFulfilmentAndTelusEasyPaymentDeviceFinancing": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents impact to EBITDA related to the effects of contract asset, acquisition and fulfilment and TELUS Easy Payment device financing.", "label": "Adjustments for Effects of Contract Asset, Acquisition and Fulfilment and TELUS Easy Payment Device Financing", "terseLabel": "Effects of contract asset, acquisition and fulfilment and TELUS Easy Payment device financing" } } }, "localname": "AdjustmentsForEffectsOfContractAssetAcquisitionAndFulfilmentAndTelusEasyPaymentDeviceFinancing", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdjustmentsForIncreaseDecreaseInContractAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 3.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for decrease (increase) in contract assets to reconcile profit (loss) to net cash flow from (used in) operating activities.", "label": "Adjustments For Increase (Decrease) in Contract Assets", "terseLabel": "Contract assets" } } }, "localname": "AdjustmentsForIncreaseDecreaseInContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdministrativeExpenseEffectOnNetBenefitLiabilityAsset": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 4.0, "parentTag": "tu_TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The effect on the net defined benefit liability (asset) of expenses related to defined benefit plans that the entity classifies as being administrative.", "label": "Administrative Expense Effect On Net Benefit Liability Asset", "negatedLabel": "Administrative fees" } } }, "localname": "AdministrativeExpenseEffectOnNetBenefitLiabilityAsset", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdtSecurityServicesCanadaIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for ADT Security Services Canada, Inc.", "label": "ADT Security Services Canada, Inc." } } }, "localname": "AdtSecurityServicesCanadaIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AdvanceBilling": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 1.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of liability representing advance billings for income that is received but not yet earned.", "label": "Advance Billing", "terseLabel": "Advance billings" } } }, "localname": "AdvanceBilling", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdvanceBillingsAndCustomerDeposits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition": { "order": 1.0, "parentTag": "ifrs-full_CurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of advance billings, deferred customer activation and connection fees, customer deposits, and regulatory deferral accounts.", "label": "Advance Billings And Customer Deposits.", "terseLabel": "Advance billings and customer deposits", "totalLabel": "Total" } } }, "localname": "AdvanceBillingsAndCustomerDeposits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfFinancialPosition" ], "xbrltype": "monetaryItemType" }, "tu_AdvanceBillingsAndCustomerDepositsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "advance billings and customer deposits" } } }, "localname": "AdvanceBillingsAndCustomerDepositsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_AdvanceBillingsAndCustomerDepositsAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for advance billings and customer deposits assumed in a business combination.", "label": "Advance Billings and Customer Deposits As Of Acquisition Date", "terseLabel": "Advance billings and customer deposits" } } }, "localname": "AdvanceBillingsAndCustomerDepositsAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_AdvancesToAcquiredEntityPriorToAcquisitionSettledAsConsiderationInBusinessCombination": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Advances to an acquired entity prior to acquisition that were settled as consideration at the date of the business combination.", "label": "Advances To Acquired Entity Prior to Acquisition Settled As Consideration In Business Combination", "terseLabel": "Pre-existing relationship effectively settled" } } }, "localname": "AdvancesToAcquiredEntityPriorToAcquisitionSettledAsConsiderationInBusinessCombination", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_AfsTechnologiesIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for AFS Technologies Inc.", "label": "AFS Technologies Inc." } } }, "localname": "AfsTechnologiesIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AgriculturalTechnologyBusinessMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to agricultural technology business.", "label": "Agricultural technology business (Project Canola)" } } }, "localname": "AgriculturalTechnologyBusinessMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AlarmForceIndustriesIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for AlarmForce Industries, Inc.", "label": "AlarmForce Industries Inc." } } }, "localname": "AlarmForceIndustriesIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_AmortizedContractAcquisitionCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 5.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of contract acquisition costs amortized during the period.", "label": "Amortized Contract Acquisition Costs", "terseLabel": "Amortized contract acquisition costs" } } }, "localname": "AmortizedContractAcquisitionCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmortizedContractFulfilmentCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 3.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of contract fulfilment costs amortized during the period.", "label": "Amortized Contract Fulfilment Costs", "terseLabel": "Amortized contract fulfilment costs" } } }, "localname": "AmortizedContractFulfilmentCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountOfChangesInOwnershipInterests": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of changes in ownership interests.", "label": "Amount of Changes in Ownership Interests", "totalLabel": "Total" } } }, "localname": "AmountOfChangesInOwnershipInterests", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountOfConstructionFinancing": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of construction financing under a credit agreement.", "label": "Amount Of Construction Financing", "terseLabel": "Construction financing amount" } } }, "localname": "AmountOfConstructionFinancing", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountOfDividendsDeclaredReinvestedInCommonShares": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 1.0, "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "This represents amount of dividends declared reinvested in Common Shares.", "label": "Amount of Dividends Declared Reinvested in Common Shares", "terseLabel": "Amount of TELUS Corporation Common Share dividends declared reinvested in TELUS Corporation Common Shares" } } }, "localname": "AmountOfDividendsDeclaredReinvestedInCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountOfDonationsMade": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of donations made during the period.", "label": "Amount of Donations Made", "terseLabel": "Donated amount" } } }, "localname": "AmountOfDonationsMade", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountOfProceedsFromSaleOfSharesUsedToReduceIndebtedness": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of sale proceeds of shares used to reduce the outstanding debt.", "label": "Amount Of Proceeds From Sale Of Shares Used To Reduce Indebtedness", "verboseLabel": "Amount of net proceeds from sale of shares used to reduce the indebtedness" } } }, "localname": "AmountOfProceedsFromSaleOfSharesUsedToReduceIndebtedness", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AmountRemittedAsPerAuction": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount remitted to purchase asset in accordance with the terms of the auction.", "label": "Amount Remitted As Per Auction", "terseLabel": "Amount remitted per terms of the auction" } } }, "localname": "AmountRemittedAsPerAuction", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "tu_AnalysisOfAgingCustomerAccountsReceivableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of the customer accounts receivable, including aging and allowance for doubtful accounts.", "label": "Analysis Of Aging Customer Accounts Receivable [Text Block]", "terseLabel": "Analysis of the age of customer accounts receivable" } } }, "localname": "AnalysisOfAgingCustomerAccountsReceivableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "tu_AreaCode867BlockingClaimMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents information pertaining to the Area code 867 blocking claim litigation matter.", "label": "Area Code 867 blocking claim" } } }, "localname": "AreaCode867BlockingClaimMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_ArmsLengthLessorsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to arms-length lessors.", "label": "Arms-length lessors" } } }, "localname": "ArmsLengthLessorsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_AsAdjustedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "as adjusted", "label": "As adjusted" } } }, "localname": "AsAdjustedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "tu_AssetRetirementObligationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents information pertaining to asset retirement obligations.", "label": "Asset retirement obligation" } } }, "localname": "AssetRetirementObligationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "domainItemType" }, "tu_AssetRetirementObligationsExpenditures": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "tu_CapitalExpendituresNetAssetRetirementObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Expenditures related to asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.", "label": "Asset Retirement Obligations Expenditures", "negatedLabel": "Effect of asset retirement obligations" } } }, "localname": "AssetRetirementObligationsExpenditures", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_AssetsClassifiedAsHeldForSaleCurrent": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Current assets classified as held for sale.", "label": "Assets Classified As Held For Sale Current", "terseLabel": "Assets classified as held for sale" } } }, "localname": "AssetsClassifiedAsHeldForSaleCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_AssetsUnderConstructionPutIntoService": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of assets under construction put into service", "label": "Assets Under Construction Put Into Service", "terseLabel": "Assets under construction put into service" } } }, "localname": "AssetsUnderConstructionPutIntoService", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_AttributingRevenuesFromExternalCustomersToIndividualCountries": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "ttributing revenues from external customers to individual countrie", "label": "Attributing Revenues From External Customers To Individual Countries", "terseLabel": "Attributed revenues" } } }, "localname": "AttributingRevenuesFromExternalCustomersToIndividualCountries", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_BegoniaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Begonia.", "label": "Begonia" } } }, "localname": "BegoniaMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_BlacksmithApplicationsHoldingsIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Blacksmith Applications Holdings Inc.", "label": "Blacksmith Applications Holdings Inc" } } }, "localname": "BlacksmithApplicationsHoldingsIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_BorrowingsDrawDownFacilityTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The period in which the facility must be drawn after completion of documentation and satisfaction of conditions precedent, after which time the undrawn committed amount will be cancelled.", "label": "Borrowings Draw Down Facility Term", "terseLabel": "Period in which the credit facility must be drawn upon, in days" } } }, "localname": "BorrowingsDrawDownFacilityTerm", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "durationItemType" }, "tu_BorrowingsEffectiveInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The effective interest rate on borrowings.", "label": "Borrowings effective interest rate", "terseLabel": "Effective interest rate" } } }, "localname": "BorrowingsEffectiveInterestRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsEffectiveWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The effective average interest rate on borrowings.", "label": "Borrowings effective weighted average interest rate", "terseLabel": "Effective average interest rate" } } }, "localname": "BorrowingsEffectiveWeightedAverageInterestRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsIssuePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The issue price of the borrowings per $1000 increment of debt.", "label": "Borrowings, issue price", "terseLabel": "Issue price per $1000 increment of debt" } } }, "localname": "BorrowingsIssuePrice", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "perUnitItemType" }, "tu_BorrowingsNonFixedInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The non-fixed interest rate on borrowings.", "label": "Borrowings, Non-Fixed Interest Rate", "terseLabel": "Non-fixed interest rate" } } }, "localname": "BorrowingsNonFixedInterestRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsRedemptionPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Redemption period for the borrowings.", "label": "Borrowings redemption period", "terseLabel": "Redemption period" } } }, "localname": "BorrowingsRedemptionPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "durationItemType" }, "tu_BorrowingsRedemptionPricePercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage price of original principal amount of borrowings at which borrowings can be redeemed by the issuer.", "label": "Borrowings redemption price, percentage", "terseLabel": "Redemption price percentage" } } }, "localname": "BorrowingsRedemptionPricePercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsRedemptionSpreadBasisPoints": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The redemption spread basis points.", "label": "Borrowings, redemption spread basis points", "terseLabel": "Redemption present value spread - Basis points" } } }, "localname": "BorrowingsRedemptionSpreadBasisPoints", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsRepurchasePricePercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage price of original principal amount of borrowings plus accrued and unpaid interest at which borrowings can be repurchased by the issuer upon the occurrence of a change in control triggering event, as required by provisions set out in the Notes.", "label": "Borrowings repurchase price, percentage", "terseLabel": "Repurchase offer price, expressed as percentage of principal" } } }, "localname": "BorrowingsRepurchasePricePercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "percentItemType" }, "tu_BorrowingsWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average interest rate on borrowings.", "label": "Borrowings weighted average interest rate", "terseLabel": "Weighted average interest rate" } } }, "localname": "BorrowingsWeightedAverageInterestRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "tu_BusinessAcquisitionRelatedProvisionAfterTax": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 2.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of business acquisition-related provision, after income taxes.", "label": "Business Acquisition Related Provision After Tax", "terseLabel": "Business combination-related provisions, after income taxes" } } }, "localname": "BusinessAcquisitionRelatedProvisionAfterTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessCombinationAdjustmentsForIncreaseDecreaseInDeferredIncomeTaxes": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in deferred income taxes due to business combinations.", "label": "Business Combination Adjustments For Increase Decrease In Deferred Income Taxes", "terseLabel": "Increase (decrease) in deferred income taxes" } } }, "localname": "BusinessCombinationAdjustmentsForIncreaseDecreaseInDeferredIncomeTaxes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessCombinationAdjustmentsForIncreaseDecreaseInIncomeAndOtherTaxesPayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in income and other taxes payable due to business combinations.", "label": "Business Combination Adjustments For Increase Decrease In Income And Other Taxes Payable", "terseLabel": "Increase (decrease) in income and other taxes payable" } } }, "localname": "BusinessCombinationAdjustmentsForIncreaseDecreaseInIncomeAndOtherTaxesPayable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessCombinationAdjustmentsForIncreaseDecreaseInOtherCurrentAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in other current assets due to business combinations.", "label": "Business Combination Adjustments For Increase Decrease In Other Current Assets", "terseLabel": "Increase (decrease) in other current assets" } } }, "localname": "BusinessCombinationAdjustmentsForIncreaseDecreaseInOtherCurrentAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessCombinationAdjustmentsForIncreaseDecreaseInSoftware": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in software due to business combinations.", "label": "Business Combination Adjustments For Increase Decrease In Software", "terseLabel": "Increase (decrease) in software" } } }, "localname": "BusinessCombinationAdjustmentsForIncreaseDecreaseInSoftware", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessCombinationSeparatelyRecognizedTransactionsNetGainsLosses": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 1.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.", "label": "Business Combination Separately Recognized Transactions Net Gains Losses" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsNetGainsLosses", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_BusinessComplimentaryServicesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for acquisition of a business that is complimentary to the existing lines of business.", "label": "Business that is complimentary to existing lines" } } }, "localname": "BusinessComplimentaryServicesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "domainItemType" }, "tu_CalculationOfAdjustedNetEarningsAttributableToCommonSharesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Calculation Of Adjusted Net Earnings Attributable To Common Shares [Abstract]", "terseLabel": "Calculation of adjusted net earnings attributable to Common Shares" } } }, "localname": "CalculationOfAdjustedNetEarningsAttributableToCommonSharesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_CalculationOfEbitdaExcludingRestructuringAndOtherCostsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to the calculation of EBITDA - excluding restructuring and other costs.", "label": "Calculation Of EBITDA Excluding Restructuring And Other Costs [Abstract]", "terseLabel": "Calculation of EBITDA - excluding restructuring and other costs" } } }, "localname": "CalculationOfEbitdaExcludingRestructuringAndOtherCostsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_CalculationOfNetDebtAndTotalCapitalizationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Calculation Of Net Debt And Total Capitalization [Abstract]", "terseLabel": "Net debt and total capitalization" } } }, "localname": "CalculationOfNetDebtAndTotalCapitalizationAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_CanadianFinancialInstitutionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Canadian financial institutions that provided construction financing facilities.", "label": "Canadian financial institutions" } } }, "localname": "CanadianFinancialInstitutionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_CapexExcludingSpectrum": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetailsCalc2": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount spent to acquire or upgrade productive assets excluding spectrum licenses.", "label": "Capex Excluding Spectrum", "negatedLabel": "Capital expenditures (excluding spectrum licences)", "verboseLabel": "Capital expenditures (excluding spectrum licences)" } } }, "localname": "CapexExcludingSpectrum", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalAssetAdditionsExcludingSpectrumLicencesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This concept does not have any references.", "label": "Capital asset additions, Excluding Spectrum Licences [Abstract]", "terseLabel": "Cash payments for capital assets, excluding spectrum licences" } } }, "localname": "CapitalAssetAdditionsExcludingSpectrumLicencesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "stringItemType" }, "tu_CapitalExpendituresExcludingNonCash": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "tu_CapitalExpendituresNetAssetRetirementObligations", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of capital expenditures, excluding non-monetary transactions.", "label": "Capital Expenditures", "negatedTotalLabel": "Capital expenditures" } } }, "localname": "CapitalExpendituresExcludingNonCash", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalExpendituresNetAssetRetirementObligations": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "tu_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodWillInvestmentPropertyAndOtherNonCurrentAssetsExcludingSpectrumLicences", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of capital expenditures, less the amount of asset retirement obligations.", "label": "Capital Expenditures, Net Asset Retirement Obligations", "negatedTotalLabel": "Total" } } }, "localname": "CapitalExpendituresNetAssetRetirementObligations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalExpendituresNetNonCashInvestingWorkingCapital": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "tu_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodWillInvestmentPropertyAndOtherNonCurrentAssetsExcludingSpectrumLicences", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of capital expenditures, less the amount of change in associated non-cash investing working capital.", "label": "Capital Expenditures Net Non-Cash Investing Working Capital", "totalLabel": "Total" } } }, "localname": "CapitalExpendituresNetNonCashInvestingWorkingCapital", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedAmountOfEquityAndDebt": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "This represents total capitalization of equity and debt.", "label": "Capitalized Amount of Equity and Debt", "totalLabel": "Total managed capitalization" } } }, "localname": "CapitalizedAmountOfEquityAndDebt", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedContractAcquisitionCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 6.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of contract acquisition coasts capitalized during the period.", "label": "Capitalized Contract Acquisition Costs", "terseLabel": "Capitalized contract acquisition costs" } } }, "localname": "CapitalizedContractAcquisitionCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedContractFulfilmentCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 4.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of contract fulfilment costs capitalized during the period.", "label": "Capitalized Contract Fulfilment Costs", "terseLabel": "Capitalized contract fulfilment costs" } } }, "localname": "CapitalizedContractFulfilmentCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedIntangibleAssetsSubjectToAmortization": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 1.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of capitalized costs incurred for intangible asset labour costs subject to amortization.", "label": "Capitalized Intangible Assets Subject To Amortization", "terseLabel": "Intangible assets subject to amortization" } } }, "localname": "CapitalizedIntangibleAssetsSubjectToAmortization", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedInternalLabour": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 1.0, "parentTag": "ifrs-full_EmployeeBenefitsExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of property, plant and equipment and intangible assets subject to amortization incurred in capitalized internal labour activities.", "label": "Capitalized Internal Labour", "totalLabel": "Total" } } }, "localname": "CapitalizedInternalLabour", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CapitalizedInternalLabourCostsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to capitalized internal labour costs.", "label": "Capitalized Internal Labour Costs [Abstract]", "terseLabel": "Capitalized internal labour costs, net" } } }, "localname": "CapitalizedInternalLabourCostsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "stringItemType" }, "tu_CapitalizedPropertyPlantEquipment": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 2.0, "parentTag": "tu_CapitalizedInternalLabour", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of capitalized internal labour costs incurred for property, plant and equipment.", "label": "Capitalized Property Plant Equipment", "terseLabel": "Property, plant and equipment" } } }, "localname": "CapitalizedPropertyPlantEquipment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CashAndAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of cash and accounts payable and accrued liabilities transferred as consideration in a business combination. [Refer: Business combinations [member]]", "label": "Cash and Accounts Payable And Accrued Liabilities", "terseLabel": "Cash and accounts payable and accrued liabilities" } } }, "localname": "CashAndAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_CashAndTemporaryInvestmentsNetMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for cash and temporary investments, net of outstanding items, including cheques written but not cleared.", "label": "Cash and temporary investments, net" } } }, "localname": "CashAndTemporaryInvestmentsNetMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsCreditRiskDetails" ], "xbrltype": "domainItemType" }, "tu_CashConsiderationTransferred": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of cash transferred as consideration.", "label": "Cash Consideration Transferred", "terseLabel": "Consideration in cash" } } }, "localname": "CashConsiderationTransferred", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_CashInflowsReceiptsFromCashSettledEquityForwardAgreements": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from cash-settled equity forward agreements.", "label": "Cash Inflows Receipts From Cash-Settled Equity Forward Agreements", "terseLabel": "Cash inflows from cash-settled equity forward agreements" } } }, "localname": "CashInflowsReceiptsFromCashSettledEquityForwardAgreements", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CashInflowsReceiptsFromCashSettledEquitySwapAgreements": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from cash-settled equity swap agreements.", "label": "Cash Inflows Receipts From Cash-Settled Equity Swap Agreements", "terseLabel": "Cash inflows from cash-settled equity swap agreements" } } }, "localname": "CashInflowsReceiptsFromCashSettledEquitySwapAgreements", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_CashPaymentsToAcquireBusinessesNet": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.", "label": "Cash Payments To Acquire Businesses Net", "negatedLabel": "Cash payments for acquisitions, net" } } }, "localname": "CashPaymentsToAcquireBusinessesNet", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_CashPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Cash Position [Abstract]", "terseLabel": "CASH POSITION" } } }, "localname": "CashPositionAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "tu_CashProceedsMinimumSalesRequirement": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the minimum cash proceeds from monthly sales of interests in certain trade receivables.", "label": "Cash Proceeds Minimum Sales Requirement", "terseLabel": "Cash proceeds from monthly sales" } } }, "localname": "CashProceedsMinimumSalesRequirement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "tu_ChangeInAcquisitionDateFairValuesXavientInformationSystemsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stand for change in acquisition date fair values in Xavient Information Systems during the period.", "label": "Change" } } }, "localname": "ChangeInAcquisitionDateFairValuesXavientInformationSystemsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_ChangesInDebtAndCoverageRatiosAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Changes In Debt And Coverage Ratios [Abstract]", "terseLabel": "Changes in debt and coverage ratios" } } }, "localname": "ChangesInDebtAndCoverageRatiosAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_ChangesInNetDefinedBenefitLiabilityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Changes In Net Defined Benefit Liability [Abstract]", "verboseLabel": "FUNDED STATUS - PLAN SURPLUS (DEFICIT)" } } }, "localname": "ChangesInNetDefinedBenefitLiabilityAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "tu_ChangesInNetDefinedBenefitLiabilityAssetResultingFromAmountsIncludedInOperatingActivityCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Changes in net defined benefit liability (asset) resulting from Amounts Included In Operating Activity Cash Flows [abstract]", "terseLabel": "AMOUNTS INCLUDED IN OPERATING ACTIVITIES CASH FLOWS" } } }, "localname": "ChangesInNetDefinedBenefitLiabilityAssetResultingFromAmountsIncludedInOperatingActivityCashFlowsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "tu_ChangesInNetDefinedBenefitLiabilityAssetResultingFromFinancingCostsInProfitOrLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Changes in net defined benefit liability (asset) resulting from Financing costs in profit or loss [abstract]", "terseLabel": "Financing costs" } } }, "localname": "ChangesInNetDefinedBenefitLiabilityAssetResultingFromFinancingCostsInProfitOrLossAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "stringItemType" }, "tu_ClassActionLawsuitsRelatedToSystemAccessFees": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of class action lawsuits filed in connection with collection of system access fees.", "label": "Class Action Lawsuits Related To System Access Fees", "terseLabel": "Class action lawsuits filed in connection with collection of system access fees" } } }, "localname": "ClassActionLawsuitsRelatedToSystemAccessFees", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_ClassesOfEmployeeBenefitsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Classes Of Employee Benefits [Axis]" } } }, "localname": "ClassesOfEmployeeBenefitsAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "stringItemType" }, "tu_ClassesOfEmployeeBenefitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for classes of employee benefits.", "label": "Classes of employee benefits" } } }, "localname": "ClassesOfEmployeeBenefitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "domainItemType" }, "tu_CollectiveAgreementDuration": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The duration of the collective agreement in years.", "label": "Collective Agreement Duration", "terseLabel": "Collective agreement duration (in years)" } } }, "localname": "CollectiveAgreementDuration", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "durationItemType" }, "tu_CommitmentsUnderOperatingLeasesForOccupancyCosts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Commitments under operating leases for occupancy costs.", "label": "Commitments Under Operating Leases For Occupancy Costs", "verboseLabel": "Commitments under operating leases for occupancy costs" } } }, "localname": "CommitmentsUnderOperatingLeasesForOccupancyCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CommonShareCompensationAwardsAccountedForAsLiabilityInstruments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of common Share compensation awards accounted for as liability instruments.", "label": "Common Share Compensation Awards Accounted for as Liability Instruments", "terseLabel": "Common Share compensation awards accounted for as liability instruments" } } }, "localname": "CommonShareCompensationAwardsAccountedForAsLiabilityInstruments", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "integerItemType" }, "tu_CommonShareSplitRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of shares that will replace a single share in the share split transaction.", "label": "Common Share Split Ratio", "terseLabel": "Share split ratio" } } }, "localname": "CommonShareSplitRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "decimalItemType" }, "tu_CommonSharesHeldInEmployeeBenefitPlanTrust": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of Common Shares held in the employee benefit plan trust.", "label": "Common Shares Held In Employee Benefit Plan Trust", "terseLabel": "Number of Common Shares held in the employee benefit plan trust" } } }, "localname": "CommonSharesHeldInEmployeeBenefitPlanTrust", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "sharesItemType" }, "tu_CommonSharesIssued": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "NA", "label": "Common Shares Issued", "terseLabel": "Common Shares issued (in shares)" } } }, "localname": "CommonSharesIssued", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_CompetenceCallCenterMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Competence Call Center.", "label": "Competence Call Center" } } }, "localname": "CompetenceCallCenterMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_ComputerHardwareAndOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to computer hardware and other assets.", "label": "Computer hardware and other" } } }, "localname": "ComputerHardwareAndOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "tu_ConcentrationOfLabourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to concentration of labour.", "label": "Concentration of labour" } } }, "localname": "ConcentrationOfLabourMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_ConsolidationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Consolidation", "terseLabel": "Consolidation" } } }, "localname": "ConsolidationAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails" ], "xbrltype": "stringItemType" }, "tu_ConstructionCreditFacilitiesCommitmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for commitments related to construction credit facilities.", "label": "Construction credit facility commitment" } } }, "localname": "ConstructionCreditFacilitiesCommitmentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_ConstructionCreditFacilitiesCurrentLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Current portion of borrowings on construction credit facilities.", "label": "Construction Credit Facilities, Current Liabilities", "verboseLabel": "Construction credit facilities" } } }, "localname": "ConstructionCreditFacilitiesCurrentLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ConstructionCreditFacilitiesNonCurrentLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Liability related to construction credit facilities, non-current liabilities", "label": "Construction Credit Facilities, Non Current Liabilities", "verboseLabel": "Construction credit facilities" } } }, "localname": "ConstructionCreditFacilitiesNonCurrentLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ConstructionCreditFacilityOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for construction credit facility of a joint venture that is not separately disclose in the same statement or note.", "label": "Construction Credit Facility - Other" } } }, "localname": "ConstructionCreditFacilityOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_ConstructionHoldbackLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Liability related to progress billings on construction contracts that are not paid until the conditions specified in the contract for the payment of such amounts have been satisfied or until defects have been rectified. [Refer: Progress billings]", "label": "Construction Holdback Liabilities", "terseLabel": "Construction holdback liabilities" } } }, "localname": "ConstructionHoldbackLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ContingentLiabilitiesClaimsAndLawsuitsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Contingent Liabilities Claims And Lawsuits [Abstract]", "terseLabel": "Claims and lawsuits" } } }, "localname": "ContingentLiabilitiesClaimsAndLawsuitsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_ContingentLiabilitiesConcentrationOfLabourAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Contingent Liabilities Concentration Of Labour [Abstract]", "terseLabel": "Concentration of labour" } } }, "localname": "ContingentLiabilitiesConcentrationOfLabourAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_ContingentLiabilitiesIndemnificationObligationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Contingent Liabilities Indemnification Obligation [Abstract]", "terseLabel": "Indemnification obligation" } } }, "localname": "ContingentLiabilitiesIndemnificationObligationAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_ContractAssetsAndLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for contract assets and liabilities of an entity during the period.", "label": "Contract assets and liabilities" } } }, "localname": "ContractAssetsAndLiabilitiesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchangedDerivativeReceive": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails": { "order": 2.0, "parentTag": "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": -1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to contractual amounts to be exchanged in a derivative receivable financial instrument for which gross cash flows are exchanged.", "label": "Contractual Amounts To Be Exchanged In Derivative Financial Instrument For Which Gross Cash Flows Are Exchanged Derivative Receive", "negatedLabel": "Amounts to be exchanged, (Receive)", "negatedTotalLabel": "Undiscounted contractual maturities - Derivative Liabilities, Receive" } } }, "localname": "ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchangedDerivativeReceive", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_ContractualLifeOfShareBasedAwards": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Option term (expiration period), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Contractual Life Of Share Based Awards", "terseLabel": "Exercise period" } } }, "localname": "ContractualLifeOfShareBasedAwards", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "durationItemType" }, "tu_ContributionExpenseRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Rate used to calculate amount of contributions from Canadian telecommunications service providers", "label": "Contribution expense rate" } } }, "localname": "ContributionExpenseRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "percentItemType" }, "tu_ContributionsToCentralFund": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount calculated for contributions to the central fund from Canadian telecommunications service providers.", "label": "Contributions to the central fund" } } }, "localname": "ContributionsToCentralFund", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_CostOfPurchaseOfCommonSharesRelatedToNormalCourseIssuerBid": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cost of common shares purchased related to normal course issuer bid.", "label": "Cost Of Purchase Of Common Shares Related To Normal Course Issuer Bid", "terseLabel": "Cost of purchase of common shares related to normal course issuer bid" } } }, "localname": "CostOfPurchaseOfCommonSharesRelatedToNormalCourseIssuerBid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "monetaryItemType" }, "tu_CostsToFulfillContractsWithCustomersMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a category of assets recognised from the costs to obtain or fulfil contracts with customers representing the costs to fulfill contracts with customers.", "label": "Costs incurred to fulfill contracts with customers" } } }, "localname": "CostsToFulfillContractsWithCustomersMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "domainItemType" }, "tu_CoverageRatiosAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Coverage Ratios [Abstract]", "terseLabel": "Coverage ratios" } } }, "localname": "CoverageRatiosAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_CreditFacilityOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for credit facility that is not separately disclose in the same statement or note.", "label": "Credit Facility - Other" } } }, "localname": "CreditFacilityOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoptionIfrs16": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.", "label": "Cumulative Effect of New Accounting Principle in Period of Adoption, IFRS 16", "terseLabel": "IFRS 16, Leases transitional amount" } } }, "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoptionIfrs16", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_CurrencyRiskBusinessAcquisitionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows related to business acquisition denominated in a foreign currency will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to business acquisition" } } }, "localname": "CurrencyRiskBusinessAcquisitionMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_CurrencyRiskForeignCurrencyTransactionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that future cash flows related to revenues and purchases denominated in a foreign currency will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to foreign currency transactions" } } }, "localname": "CurrencyRiskForeignCurrencyTransactionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_CurrencyRiskLongTermDebtMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows related to long-term debt denominated in a foreign currency will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to long-term debt" } } }, "localname": "CurrencyRiskLongTermDebtMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_CurrencyRiskManagementExchangeRateHedgedRange": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of exposure to exchange rate fluctuations that is hedged as part of the exchange rate risk management efforts using foreign currency forward contracts and currency options.", "label": "Currency Risk Management Exchange Rate Hedged Range", "terseLabel": "Exposure to exchange rate fluctuations that is hedged (as a percent)" } } }, "localname": "CurrencyRiskManagementExchangeRateHedgedRange", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsCurrencyRiskDetails" ], "xbrltype": "percentItemType" }, "tu_CurrencyRiskNetInvestmentInForeignOperationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows related to investments in foreign operations will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to investment in a foreign operation" } } }, "localname": "CurrencyRiskNetInvestmentInForeignOperationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_CurrencyRiskPurchaseTransactionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that future cash flows related to purchases denominated in a foreign currency will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to purchases" } } }, "localname": "CurrencyRiskPurchaseTransactionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_CurrencyRiskRevenuesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a type of market risk representing the risk that future cash flows related to revenues denominated in a foreign currency will fluctuate because of changes in foreign exchange rates.", "label": "Currency risk related to revenues" } } }, "localname": "CurrencyRiskRevenuesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_CurrentAssetsBeforeClassifiedAsHeldForSale": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of current assets before classified as held for sale.", "label": "Current Assets Before Classified As Held For Sale", "totalLabel": "Current assets before classified as held for sale" } } }, "localname": "CurrentAssetsBeforeClassifiedAsHeldForSale", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_CurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails": { "order": 1.0, "parentTag": "ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of current assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.", "label": "Current Assets recognised from costs to obtain or fulfil contracts with customers", "terseLabel": "Current" } } }, "localname": "CurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails" ], "xbrltype": "monetaryItemType" }, "tu_CurrentContractAssetsBeforeReclassificationIntoOutOfContractLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetailss": { "order": 1.0, "parentTag": "ifrs-full_CurrentContractAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of current contract assets before reclassifications into and out of contract liabilities.", "label": "Current Contract Assets Before Reclassification Into Out Of Contract Liabilities", "terseLabel": "Gross contract assets" } } }, "localname": "CurrentContractAssetsBeforeReclassificationIntoOutOfContractLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_CurrentContractLiabilitiesBeforeReclassificationIntoOutOfContractAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_ContractLiabilities", "weight": 1.0 }, "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of current contract liabilities before reclassifications into and out of contract assets.", "label": "Current Contract Liabilities Before Reclassification Into Out Of Contract Assets", "terseLabel": "Gross contract liabilities", "verboseLabel": "Current" } } }, "localname": "CurrentContractLiabilitiesBeforeReclassificationIntoOutOfContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_CurrentReceivablesFromContractsWithCustomersNet": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": 2.0, "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount due from contracts with customers for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.", "label": "Current receivables from contracts with customers, Net", "totalLabel": "Total" } } }, "localname": "CurrentReceivablesFromContractsWithCustomersNet", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "tu_CustomerCareAndBusinessServicesOutsourcingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for revenue from customer care and business services outsourcing.", "label": "Customer care and business services outsourcing" } } }, "localname": "CustomerCareAndBusinessServicesOutsourcingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_CustomerContractsRelatedCustomerRelationshipsAndLeaseholdInterestsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of intangible assets representing Customer contracts, related customer relationships and leasehold interests.", "label": "Customer contracts, related customer relationships and leasehold interests" } } }, "localname": "CustomerContractsRelatedCustomerRelationshipsAndLeaseholdInterestsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "tu_DaysFromBillingDateToBeClassifiedAsPastDue": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The time period after the billing date that accounts receivables are considered to be past due (in default). In 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Days From Billing Date To Be Classified As Past Due", "terseLabel": "Days after the billing date that accounts receivables are considered to be past due (in default)" } } }, "localname": "DaysFromBillingDateToBeClassifiedAsPastDue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "durationItemType" }, "tu_DebtAndEquitySecuritiesShelfProspectusFiveMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the debt or equity securities pursuant to a shelf prospectus that is in effect until August 2021.", "label": "Debt or equity securities pursuant to a shelf prospectus expiring August, 2021" } } }, "localname": "DebtAndEquitySecuritiesShelfProspectusFiveMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_DebtAndEquitySecuritiesShelfProspectusFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the debt or equity securities pursuant to a shelf prospectus that is in effect until June 2022.", "label": "Debt or equity securities pursuant to a shelf prospectus expired June, 2022" } } }, "localname": "DebtAndEquitySecuritiesShelfProspectusFourMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_DebtAndEquitySecuritiesShelfProspectusOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the debt or equity securities pursuant to a shelf prospectus that is in effect until June 2020.", "label": "Debt or equity securities pursuant to a shelf prospectus expiring June, 2020" } } }, "localname": "DebtAndEquitySecuritiesShelfProspectusOneMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_DebtAndEquitySecuritiesShelfProspectusSixMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the debt and equity securities pursuant to a shelf prospectus that is in effect until June 2023.", "label": "Debt or equity securities pursuant to a shelf prospectus expiring June, 2023" } } }, "localname": "DebtAndEquitySecuritiesShelfProspectusSixMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_DebtAndEquitySecuritiesShelfProspectusTwoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the debt or equity securities pursuant to a shelf prospectus that is in effect until April 2018.", "label": "Debt or equity securities pursuant to a shelf prospectus expiring April, 2018" } } }, "localname": "DebtAndEquitySecuritiesShelfProspectusTwoMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_DebtInstrumentConvertibleAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of debt instruments principal along with its associated interests, convertible in to derivatives or net investment hedges.", "label": "Debt Instrument, Convertible Amount", "terseLabel": "Amortizing amount, convertible" } } }, "localname": "DebtInstrumentConvertibleAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DebtInstrumentRedemptionAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of debt redeemed.", "label": "Debt Instrument, Redemption Amount", "terseLabel": "Debt redeemed" } } }, "localname": "DebtInstrumentRedemptionAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DebtInstrumentRedemptionPresentValueSpreadCessationDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The date, prior to which the notes are redeemable on not fewer than 30 and not more than 60 days' prior notice, at a price equal to the greater of the discounted present value of the notes plus the redemption present value spread calculated over the period to the redemption present value spread cessation date, or (ii) 100% of the principal amount thereof. On or after the redemption present value spread cessation date, the notes are redeemable at the issuer's option, in whole but not in part, at a redemption price equal to 100% of the principal amount thereof.", "label": "Debt Instrument Redemption Present Value Spread Cessation Date", "terseLabel": "Redemption present value spread - Cessation date" } } }, "localname": "DebtInstrumentRedemptionPresentValueSpreadCessationDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "tu_DebtIssuanceCostsNettedAgainstLongTermDebt": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 5.0, "parentTag": "ifrs-full_NetDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Debt issuance costs netted against long-term debt.", "label": "Debt Issuance Costs Netted Against Long Term Debt", "terseLabel": "Debt issuance costs netted against long-term debt" } } }, "localname": "DebtIssuanceCostsNettedAgainstLongTermDebt", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DebtRatioAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Debt Ratio [Abstract]", "terseLabel": "Debt ratio" } } }, "localname": "DebtRatioAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_DecreaseThroughReclassifiedToAccountsReceivableContractAssets": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The decrease in contract assets resulting from reclassification to accounts receivable.", "label": "Decrease Through Reclassified to Accounts Receivable, Contract Assets", "negatedLabel": "Amounts billed in the period and thus reclassified to accounts receivable" } } }, "localname": "DecreaseThroughReclassifiedToAccountsReceivableContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_DeferredCustomerActivationAndConnectionFeesClassifiedAsNonCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails": { "order": 3.0, "parentTag": "ifrs-full_ContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of deferred customer activation and connection fees classified as non current.", "label": "Deferred Customer Activation And Connection Fees Classified As Non-Current", "terseLabel": "Deferred customer activation and connection fees" } } }, "localname": "DeferredCustomerActivationAndConnectionFeesClassifiedAsNonCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DeferredCustomerActivationAndConnectionFeesCurrentLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails": { "order": 2.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the deferred customer activation and connection fees component of advance billings and customer deposits recognized in current liabilities.", "label": "Deferred Customer Activation And Connection Fees Current Liabilities", "terseLabel": "Deferred customer activation and connection fees" } } }, "localname": "DeferredCustomerActivationAndConnectionFeesCurrentLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "monetaryItemType" }, "tu_DeferredCustomerActivationAndConnectionFeesOtherLongTermLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherNoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of deferred customer activation and connection fee liability recognized in other non-current liabilities.", "label": "Deferred Customer Activation And Connection Fees Other Long Term Liabilities", "terseLabel": "Deferred customer activation and connection fees" } } }, "localname": "DeferredCustomerActivationAndConnectionFeesOtherLongTermLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DefinedBenefitCostIncludedInNetIncome": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "tu_PostemploymentBenefitCostsDefinedBenefitPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of defined benefit (cost) included in net income.", "label": "Defined Benefit (Cost) Included in Net Income", "totalLabel": "DEFINED BENEFIT (COST) INCLUDED IN NET INCOME" } } }, "localname": "DefinedBenefitCostIncludedInNetIncome", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_DefinedBenefitPlanActiveMembersMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for active members of defined benefit plans.", "label": "Active members" } } }, "localname": "DefinedBenefitPlanActiveMembersMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedBenefitPlanDeferredMembersMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for deferred members of defined benefit plans.", "label": "Deferred members" } } }, "localname": "DefinedBenefitPlanDeferredMembersMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedBenefitPlanParticipantsStatusAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Defined Benefit Plan Participants Status [Axis]" } } }, "localname": "DefinedBenefitPlanParticipantsStatusAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "stringItemType" }, "tu_DefinedBenefitPlanParticipantsStatusMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the participants status in defined benefit plans.", "label": "Defined Benefit Plan Participants Status [Member]" } } }, "localname": "DefinedBenefitPlanParticipantsStatusMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedBenefitPlanPensionersMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for pensioners of defined benefit plans.", "label": "Pensioners" } } }, "localname": "DefinedBenefitPlanPensionersMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedBenefitPlanUndrawnLettersOfCredit": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of undrawn letters of credit that secures obligations of the defined benefit pension plans.", "label": "Defined Benefit Plan Undrawn Letters Of Credit", "terseLabel": "Undrawn letters of credit that secure obligations" } } }, "localname": "DefinedBenefitPlanUndrawnLettersOfCredit", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsEmployerContributionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_DefinedBenefitPlansFinancialAssumptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No documentation available.", "label": "Defined Benefit Plans Financial Assumptions [Abstract]", "terseLabel": "Financial assumptions" } } }, "localname": "DefinedBenefitPlansFinancialAssumptionsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "stringItemType" }, "tu_DefinedBenefitPlansInterestEffectOnAssetCeilingLimitInFinancingCost": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "tu_PostemploymentBenefitCostsDefinedBenefitPlansInFinancingCost", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest effect on defined benefit plans asset ceiling limit recognized in financing costs.", "label": "Defined Benefit Plans Interest Effect On Asset Ceiling Limit In Financing Cost", "terseLabel": "Interest effect on asset ceiling limit" } } }, "localname": "DefinedBenefitPlansInterestEffectOnAssetCeilingLimitInFinancingCost", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_DefinedBenefitPlansManagementAndAdministrativeServiceCharges": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "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.", "label": "Defined benefit plans, management and administrative service charges", "terseLabel": "Charges for management and administrative services to our defined benefit pension plans" } } }, "localname": "DefinedBenefitPlansManagementAndAdministrativeServiceCharges", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_DefinedBenefitPlansSensitivityOfKeyAssumptionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Defined Benefit Plans Sensitivity Of Key Assumptions [Abstract ]", "terseLabel": "Sensitivity of key assumptions" } } }, "localname": "DefinedBenefitPlansSensitivityOfKeyAssumptionsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "stringItemType" }, "tu_DefinedBenefitPlansWithAssetsInExcessOfObligationsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for defined benefit plans that have plan assets in excess of defined benefit obligations accrued.", "label": "Pension plans that have plan assets in excess of defined benefit obligations accrued" } } }, "localname": "DefinedBenefitPlansWithAssetsInExcessOfObligationsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedBenefitPlansWithObligationsInExcessOfAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for defined benefit plans that have defined benefit obligations accrued in excess of plan assets", "label": "Pension plans that have defined benefit obligations accrued in excess of plan assets" } } }, "localname": "DefinedBenefitPlansWithObligationsInExcessOfAssetsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_DefinedContributionEmployerMatchingContributionToEmployeesFivePercentContribution": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employer matching contribution up to employee's 5% contribution to defined contribution plan.", "label": "Defined Contribution, Employer Matching Contribution To Employee's Five Percent Contribution", "terseLabel": "Matching contribution up to employees' 5% contribution" } } }, "localname": "DefinedContributionEmployerMatchingContributionToEmployeesFivePercentContribution", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DefinedContributionPercentageOfEmployeesContributionMatchEightyPercentByEmployer": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employees contribution to defined contribution plan that is 80% matched by the entity.", "label": "Defined Contribution Percentage of Employees Contribution Match Eighty Percent by Employer", "terseLabel": "Employees' contribution 80% matched (as a per cent)" } } }, "localname": "DefinedContributionPercentageOfEmployeesContributionMatchEightyPercentByEmployer", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DefinedContributionPercentageOfEmployeesContributionMatchFullyByEmployer": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employees contribution to defined contribution plan that is fully matched by the entity.", "label": "Defined Contribution, Percentage Of Employees Contribution Match Fully By Employer", "terseLabel": "Employees' contribution 100% matched (as a per cent)" } } }, "localname": "DefinedContributionPercentageOfEmployeesContributionMatchFullyByEmployer", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DefinedContributionPlanAnnualContributionsPerEmployeePercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of employee gross pay the employee may contribute to a defined contribution plan.", "label": "Defined Contribution Plan Annual Contributions Per Employee Percent", "terseLabel": "Employees contribution to the plan (as a per cent)" } } }, "localname": "DefinedContributionPlanAnnualContributionsPerEmployeePercent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchBetweenFiveAndSixPercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage employer matches of the employee's percentage contribution matched between 5% and 6%.", "label": "Defined Contribution Plan Employer Matching Contribution Percent Of Match Between Five and Six Percent", "terseLabel": "Employer matching contribution for employee contributions between 5% and 6% of employee's contribution of pensionable earnings" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatchBetweenFiveAndSixPercent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchOverFivePercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage employer matches of the employee's percentage contribution matched over 5%.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match, Over Five Percent", "terseLabel": "Employer matching contribution over 5% of employee's contribution" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatchOverFivePercent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_DerivativeAssetsCurrentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for current asset derivative financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the 'underlying'); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]", "label": "Current Asset derivatives" } } }, "localname": "DerivativeAssetsCurrentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativeExchangeRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exchange rate inherent in a foreign currency derivative converted to Canadian dollars.", "label": "Derivative Exchange Rate", "terseLabel": "Rate" } } }, "localname": "DerivativeExchangeRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_DerivativeExchangeRateToUsDollars": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exchange rate inherent in a foreign currency derivative converted to US dollars.", "label": "Derivative Exchange Rate To US Dollars", "terseLabel": "Rate US dollars" } } }, "localname": "DerivativeExchangeRateToUsDollars", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "decimalItemType" }, "tu_DerivativeLiabilitiesCurrentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for current liability derivative financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the 'underlying'); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]", "label": "Current Liabilities derivatives" } } }, "localname": "DerivativeLiabilitiesCurrentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativeLiabilitiesPayableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to derivative liabilities classified as receivable.", "label": "Derivative Liability Pay" } } }, "localname": "DerivativeLiabilitiesPayableMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativeLiabilitiesReceivableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to derivative liabilities classified as receivable.", "label": "Derivative Liability Receive" } } }, "localname": "DerivativeLiabilitiesReceivableMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativeWeightedAveragePricePerUnit": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The price of a derivative instrument used to manage changes in share-based compensation costs.", "label": "Derivative Weighted Average Price Per Unit", "terseLabel": "Price" } } }, "localname": "DerivativeWeightedAveragePricePerUnit", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DerivativesFixedExchangeRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fixed exchange rate of the derivative to convert them into reporting currency.", "label": "Derivatives, fixed exchange rate", "terseLabel": "Fixed exchange rate" } } }, "localname": "DerivativesFixedExchangeRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "pureItemType" }, "tu_DerivativesHeldForHedgingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for derivative financial instruments that are held for hedging purposes.", "label": "Derivatives held for hedging" } } }, "localname": "DerivativesHeldForHedgingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativesHeldForTradingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for derivative financial instruments that are held for trading purposes and are not designated as being in a hedging relationship.", "label": "Derivatives held for trading" } } }, "localname": "DerivativesHeldForTradingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_DerivativesUsedToManageCurrencyRisksArisingFromUSDollarDenominatedLongTermDebtMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt - liability (asset).", "label": "Derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt - liability (asset)" } } }, "localname": "DerivativesUsedToManageCurrencyRisksArisingFromUSDollarDenominatedLongTermDebtMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DescriptionOfAccountingPolicyForCashAndTemporaryInvestmentsNetExplanatoryPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The description of the entity's accounting policy for cash and temporary investments, net.", "label": "Description Of Accounting Policy For Cash And Temporary Investments, Net Explanatory [Policy Text Block]", "terseLabel": "Cash and temporary investments, net" } } }, "localname": "DescriptionOfAccountingPolicyForCashAndTemporaryInvestmentsNetExplanatoryPolicyTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "tu_DetailsOfLongTermDebtAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to details of long-term debt of the entity.", "label": "Details Of Long Term Debt [Abstract]", "terseLabel": "Details of long-term debt" } } }, "localname": "DetailsOfLongTermDebtAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails" ], "xbrltype": "stringItemType" }, "tu_DigitallyLedCustomerExperiencesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Digitally-led customer experiences.", "label": "Digitally-led customer experiences" } } }, "localname": "DigitallyLedCustomerExperiencesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "tu_DigitallyLedCustomerExperiencesTelusInternationalMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Digitally-led customer experiences - TELUS International.", "label": "Digitally-led customer experiences - TELUS International" } } }, "localname": "DigitallyLedCustomerExperiencesTelusInternationalMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_DilutiveEffectOfOtherThanShareOptionsOnNumberOfOrdinaryShares": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosurePerShareAmountsDetails": { "order": 1.0, "parentTag": "ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "The number of dilutive restricted share units that relate to the assumed exercise of the entity's share options.", "label": "Dilutive effect of other than share options on number of ordinary shares", "terseLabel": "Effect of dilutive securities - Restricted share units" } } }, "localname": "DilutiveEffectOfOtherThanShareOptionsOnNumberOfOrdinaryShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "sharesItemType" }, "tu_DirectorsDeferredShareUnitPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member stands for Directors' deferred share unit plan which provides that, in addition to his or her annual equity grant of deferred share units, a director may elect to receive his or her annual retainer and meeting fees in deferred share units, Common Shares or cash. Deferred share units entitle directors to a specified number of, for a cash payment based on the value of, our Common Shares.", "label": "Directors' Deferred Share Unit Plan" } } }, "localname": "DirectorsDeferredShareUnitPlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_DisclosureOfAccountingPoliciesRequiringSignificantChoiceOrSignificantApplicationOfJudgmentTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure", "label": "Disclosure Of Accounting Policies Requiring Significant Choice Or Significant Application Of Judgment", "terseLabel": "Disclosure of accounting policies requiring a more significant choice among policies and/or a more significant application of judgment" } } }, "localname": "DisclosureOfAccountingPoliciesRequiringSignificantChoiceOrSignificantApplicationOfJudgmentTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfAdditionalStatementOfCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This concept does not have any references.", "label": "additional statement of cash flow information" } } }, "localname": "DisclosureOfAdditionalStatementOfCashFlowInformationAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_DisclosureOfAdvanceBillingsAndCustomerDepositsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Disclosure of advance billings and customer deposits" } } }, "localname": "DisclosureOfAdvanceBillingsAndCustomerDepositsLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfAdvanceBillingsAndCustomerDepositsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "N/A.", "label": "Disclosure Of Advance Billings And Customer Deposits Table" } } }, "localname": "DisclosureOfAdvanceBillingsAndCustomerDepositsTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure by line item for other comprehensive income.", "label": "Disclosure Of Analysis Of Other Comprehensive Income By Item Explanatory [Table Text Block]", "terseLabel": "Schedule of other comprehensive income" } } }, "localname": "DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatoryTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfillContractsWithCustomersTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of assets recognised from the costs to obtain or fulfill contracts with customers.", "label": "Disclosure of assets recognised from costs to obtain or fulfill contracts with customers [text block]", "terseLabel": "Schedule of costs incurred to obtain and fulfill contracts with customers" } } }, "localname": "DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfillContractsWithCustomersTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfAssociateFinancialInformationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for associates financial information.", "label": "Disclosure of Associate Financial Information [Table Text Block]", "terseLabel": "Schedule of associate financial information" } } }, "localname": "DisclosureOfAssociateFinancialInformationTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfBusinessAcquisitionProFormaInformationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of pro forma information of business acquisition operating results.", "label": "Disclosure Of Business Acquisition Pro Forma Information [Table Text Block]", "terseLabel": "Schedule of pro forma information of business acquisition operating results" } } }, "localname": "DisclosureOfBusinessAcquisitionProFormaInformationTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfCarryingValueIndefiniteLivedIntangibleAssetsAndGoodwillTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of the carrying value of intangible assets with indefinite lives and goodwill.", "label": "Disclosure Of Carrying Value Indefinite Lived Intangible Assets And Goodwill [Text Block]", "terseLabel": "Schedule of carrying values of intangible assets with indefinite lives and goodwill" } } }, "localname": "DisclosureOfCarryingValueIndefiniteLivedIntangibleAssetsAndGoodwillTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatoryAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "accounting policy developments" } } }, "localname": "DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatoryAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_DisclosureOfConstructionCreditFacilityTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of construction credit facility.", "label": "Disclosure of Construction Credit Facility [text block]", "terseLabel": "Schedule of construction credit facility" } } }, "localname": "DisclosureOfConstructionCreditFacilityTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDefinedBenefitPensionPlanAssetAllocationsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of the defined benefit pension plan asset allocations.", "label": "Disclosure Of Defined Benefit Pension Plan Asset Allocations [Table Text Block]", "terseLabel": "Schedule of defined benefit pension plans' target asset allocations and actual asset allocations" } } }, "localname": "DisclosureOfDefinedBenefitPensionPlanAssetAllocationsTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDefinedBenefitPlanExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of defined benefit pension plan expense.", "label": "Disclosure Of Defined Benefit Plan Expense [Table Text Block]", "terseLabel": "Schedule of defined benefit pension plan expense" } } }, "localname": "DisclosureOfDefinedBenefitPlanExpenseTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDefinedBenefitPlanFutureBenefitPaymentsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of estimate future payments from defined benefit pension plans.", "label": "Disclosure Of Defined Benefit Plan Future Benefit Payments [Table Text Block]", "terseLabel": "Schedule of estimated future benefit payments from our defined benefit pension plans" } } }, "localname": "DisclosureOfDefinedBenefitPlanFutureBenefitPaymentsTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDefinedContributionPensionPlanExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of defined contribution pension plan expense.", "label": "Disclosure Of Defined Contribution Pension Plan Expense [Table Text Block]", "terseLabel": "Schedule of defined contribution pension plan expense" } } }, "localname": "DisclosureOfDefinedContributionPensionPlanExpenseTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDefinedContributionPlansExpenseLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.", "label": "Disclosure Of Defined Contribution Plans Expense [Line Items]", "terseLabel": "Disclosure of defined contribution plans expense" } } }, "localname": "DisclosureOfDefinedContributionPlansExpenseLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfDefinedContributionPlansExpenseTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to defined contributions plans expense.", "label": "Disclosure Of Defined Contribution Plans Expense [Table]" } } }, "localname": "DisclosureOfDefinedContributionPlansExpenseTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfDetailedInformationAboutBusinessAcquisitionsSubsequentToReportingPeriodTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about business combinations subsequent to the reporting period.", "label": "Disclosure Of Detailed Information About Business Acquisitions Subsequent To Reporting Period [Table Text Block]", "terseLabel": "Summary of acquisition-date fair values assigned to the assets acquired and liabilities assumed of acquisitions subsequent to reporting period" } } }, "localname": "DisclosureOfDetailedInformationAboutBusinessAcquisitionsSubsequentToReportingPeriodTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDetailedInformationAboutChangesInLiabilitiesArisingFromFinancingActivitiesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about changes in liabilities arising from financing activities for a statement of cash flows.", "label": "Disclosure of Detailed Information About Changes in Liabilities Arising from Financing Activities [Text Block]", "terseLabel": "Schedule of changes in liabilities arising from financing activities" } } }, "localname": "DisclosureOfDetailedInformationAboutChangesInLiabilitiesArisingFromFinancingActivitiesTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDetailedInformationAboutFinancingCostsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of detailed information about the components of financing costs.", "label": "Disclosure of Detailed Information About Financing Costs [Table Text Block]", "terseLabel": "Schedule of financing costs" } } }, "localname": "DisclosureOfDetailedInformationAboutFinancingCostsTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDetailedInformationAboutLongTermDebtMaturitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about long-term debt maturities.", "label": "Disclosure of detailed information about long-term debt maturities [Table Text Block]", "terseLabel": "Schedule of long-term debt maturities" } } }, "localname": "DisclosureOfDetailedInformationAboutLongTermDebtMaturitiesTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about operating activities and investing activities for a statement of cash flows.", "label": "Disclosure of Detailed Information About Operating Activities and Investing Activities [Text Block]", "terseLabel": "Schedule of operating activities and investing activities" } } }, "localname": "DisclosureOfDetailedInformationAboutOperatingActivitiesAndInvestingActivitiesTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of detailed information about Trade and Other Receivables.", "label": "Disclosure of detailed information about Trade and Other Receivables [text block]", "terseLabel": "Schedule of accounts receivable" } } }, "localname": "DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfDividendPayoutRatioExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of the dividend payout ratio, a historical measure calculated as the sum of the last four quarterly dividends declared per Common Share, as recorded in the financial statements, net of dividend reinvestment plan effects, divided by the sum of free cash flow amounts for the most recent four quarters for interim reporting periods (divided by annual free cash flow if the reported amount is in respect of a fiscal year).", "label": "Disclosure Of Dividend Payout Ratio Explanatory", "terseLabel": "Disclosure of the dividend payout ratio" } } }, "localname": "DisclosureOfDividendPayoutRatioExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeIas17Table": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to finance leases and operating leases by the lessee.", "label": "Disclosure Of Finance Lease And Operating Lease By Lessee IAS17 [Table]" } } }, "localname": "DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeIas17Table", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfFinancialObjectivesForManagingCapitalExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of financial information that enables users of financial statements to evaluate the entity's objectives, policies and processes for managing capital.", "label": "Disclosure Of Financial Objectives For Managing Capital Explanatory", "terseLabel": "Disclosure of financial objectives that support the entity's long-term strategy" } } }, "localname": "DisclosureOfFinancialObjectivesForManagingCapitalExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfFinancingCostsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for financing costs.", "label": "Disclosure of financing costs", "terseLabel": "financing costs" } } }, "localname": "DisclosureOfFinancingCostsTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCosts" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Disclosure Of Instruments Other than Options, Weighted Average Grant Date Fair Value [Roll Forward]", "terseLabel": "Weighted average grant-date fair value" } } }, "localname": "DisclosureOfInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueRollForward", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfJointVenturesInvestmentActivityExplanatoryTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of joint ventures investment activities.", "label": "Disclosure of joint ventures investment activity [text block]", "terseLabel": "Schedule of joint ventures investment activity" } } }, "localname": "DisclosureOfJointVenturesInvestmentActivityExplanatoryTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfLongTermBorrowingsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of non-current borrowings. [Refer: Borrowings]", "label": "Disclosure Of Long Term Borrowings Explanatory", "terseLabel": "long-term debt" } } }, "localname": "DisclosureOfLongTermBorrowingsExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebt" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfNotesToConsolidatedFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "notes to consolidated financial statements" } } }, "localname": "DisclosureOfNotesToConsolidatedFinancialStatementsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_DisclosureOfOperatingSegmentsReconciliationExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of reconciliation of operating segments.", "label": "Disclosure Of Operating Segments Reconciliation Explanatory", "terseLabel": "Reconciliation of revenue and income before income taxes by segment" } } }, "localname": "DisclosureOfOperatingSegmentsReconciliationExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfOtherLongTermAssetsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for other long-term assets.", "label": "Disclosure Of Other Long-Term Assets [Text Block]", "terseLabel": "other long-term assets" } } }, "localname": "DisclosureOfOtherLongTermAssetsTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssets" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfOtherLongTermLiabilitiesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure of other long-term liabilities.", "label": "Disclosure of other long-term liabilities [text block]", "terseLabel": "other long-term liabilities" } } }, "localname": "DisclosureOfOtherLongTermLiabilitiesTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilities" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfPurchaseOfCommonSharesForCancellationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of purchase of Common Shares for cancellation pursuant to normal course issuer bid.", "label": "Disclosure Of Purchase Of Common Shares For Cancellation Table Text Block", "terseLabel": "Schedule of purchase of Common Shares for cancellation pursuant to normal course issuer bid" } } }, "localname": "DisclosureOfPurchaseOfCommonSharesForCancellationTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfRealEstateJointVenturesFinancialInformationExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for real estate joint ventures financial information.", "label": "Disclosure of Real Estate Joint Ventures financial information[text block]", "terseLabel": "Schedule of real estate joint ventures financial information" } } }, "localname": "DisclosureOfRealEstateJointVenturesFinancialInformationExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateTables" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfReceivablesFromContractsWithCustomersLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.", "label": "Disclosure Of Receivables From Contracts With Customers [Line Items]", "verboseLabel": "Accounts receivable" } } }, "localname": "DisclosureOfReceivablesFromContractsWithCustomersLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfReceivablesFromContractsWithCustomersTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to receivables from contracts with customers.", "label": "Disclosure of receivables from contracts with customers [Table]" } } }, "localname": "DisclosureOfReceivablesFromContractsWithCustomersTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfRestructuringAndOtherCostsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "restructuring and other costs" } } }, "localname": "DisclosureOfRestructuringAndOtherCostsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_DisclosureOfRestructuringAndOtherCostsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for restructuring and other costs.", "label": "Disclosure Of Restructuring And Other Costs Explanatory", "terseLabel": "restructuring and other costs" } } }, "localname": "DisclosureOfRestructuringAndOtherCostsExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCosts" ], "xbrltype": "textBlockItemType" }, "tu_DisclosureOfSignificantChangesInContractAssetsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule disclosing significant changes in contract assets.", "label": "Disclosure of significant changes in contract assets [Table]" } } }, "localname": "DisclosureOfSignificantChangesInContractAssetsTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "stringItemType" }, "tu_DisclosureOfTradeAndOtherPayables": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of trade and other payables.", "label": "Disclosure Of Trade And Other Payables", "terseLabel": "Schedule of accounts payable and accrued liabilities" } } }, "localname": "DisclosureOfTradeAndOtherPayables", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "tu_DisposalsRetirementsAndOtherIntangibleAssetsAndGoodwill": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The decrease/(increase) in intangible assets and goodwill resulting from disposals, retirements and other.", "label": "Disposals Retirements And Other Intangible Assets And Goodwill", "negatedLabel": "Dispositions, retirements and other" } } }, "localname": "DisposalsRetirementsAndOtherIntangibleAssetsAndGoodwill", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "tu_DisposalsRetirementsAndOtherPropertyPlantAndEquipment": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The decrease/(increase) in property, plant and equipment resulting from disposals, retirements and other.", "label": "Disposals Retirements And Other Property Plant And Equipment", "negatedLabel": "Dispositions, retirements and other" } } }, "localname": "DisposalsRetirementsAndOtherPropertyPlantAndEquipment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_DividendDeclaredNetOfDividendReinvestmentPlanEffects": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 2.0, "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of dividends that the company has declared but not yet paid, net of dividend reinvestment plan effects.", "label": "Dividend Declared, Net of Dividend Reinvestment Plan Effects", "terseLabel": "TELUS Corporation Common Share dividends declared - net of dividend reinvestment plan effects" } } }, "localname": "DividendDeclaredNetOfDividendReinvestmentPlanEffects", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_DividendPayOutRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The dividend payout ratio is a historical measure calculated as the sum of the last four quarterly dividends declared per Common Share, as recorded in the financial statements, net of dividend reinvestment plan effects, divided by the sum of free cash flow amounts for the most recent four quarters for interim reporting periods (divided by annual free cash flow if the reported amount is in respect of a fiscal year).", "label": "Dividend Pay out Ratio", "terseLabel": "TELUS Corporation Common Share dividend payout ratio - net of dividend reinvestment plan effects" } } }, "localname": "DividendPayOutRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_DividendPayOutRatioCalculatedFromFreeCashFlowTarget": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Targeted guideline for dividend payout ratio calculated as a percentage of free cash flow on a prospective basis.", "label": "Dividend Pay Out Ratio, Calculated from Free Cash Flow, Target", "terseLabel": "Target ratio from free cash flow" } } }, "localname": "DividendPayOutRatioCalculatedFromFreeCashFlowTarget", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_DividendPayOutRatioTarget": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Targeted dividend payout ratio for the period.", "label": "Dividend Pay out Ratio Target", "terseLabel": "Target dividend payout ratio, (as a per cent)" } } }, "localname": "DividendPayOutRatioTarget", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_DividendPayoutRatioAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Dividend Payout Ratio [Abstract]", "terseLabel": "Dividend payout ratio" } } }, "localname": "DividendPayoutRatioAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "stringItemType" }, "tu_DividendPayoutRatioAdjustedNetEarnings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The dividend payout ratio of adjusted earnings attributable to Common Shares is calculated as the sum of the last four quarterly dividends declared per Common Share, as recorded in the financial statements, divided by the sum of adjusted net earnings per share for the most recent four quarters for interim reporting periods (divided by annual basic earnings per share if the reported amount is in respect of a fiscal year). Excludes gain on exchange of wireless spectrum, gain and net equity income related to real estate redevelopment project, business-acquisition-related provisions, immediately vesting transformative compensation expense, all after income taxes and other tax-related adjustments.", "label": "Dividend Payout Ratio Adjusted Net Earnings", "terseLabel": "Dividend payout ratio of adjusted net earnings, (as a per cent)" } } }, "localname": "DividendPayoutRatioAdjustedNetEarnings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_DividendReinvestmentAndSharePurchasePlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the Dividend Reinvestment and Share Purchase Plan under which eligible holders of Common Shares may acquire additional Common Shares by reinvesting dividends and by making additional optional cash payments to the trustee.", "label": "Dividend reinvestment and share purchase plan" } } }, "localname": "DividendReinvestmentAndSharePurchasePlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_DividendReinvestmentInCommonShares": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of dividends reinvested in common shares.", "label": "Dividend reinvestment in Common Shares" } } }, "localname": "DividendReinvestmentInCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "monetaryItemType" }, "tu_DividendsDeclared": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of dividends declared recognized as distributions to owners.", "label": "Dividends Declared", "negatedTerseLabel": "Dividends" } } }, "localname": "DividendsDeclared", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_DividendsPayableToHoldersOfCommonSharesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for dividends payable to holders of Common share of the entity.", "label": "Dividends payable to holders of Common Shares" } } }, "localname": "DividendsPayableToHoldersOfCommonSharesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DividendsPayableToHoldersOfCommonSharesNetOfDividendsReinvestedInSharesFromTreasuryMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for dividends payable to holders of Common Shares of the entity, net of dividends reinvested in shares from treasury.", "label": "Dividends payable to holders of Common Shares net of dividends reinvested in shares from treasury" } } }, "localname": "DividendsPayableToHoldersOfCommonSharesNetOfDividendsReinvestedInSharesFromTreasuryMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DividendsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "dividends per share" } } }, "localname": "DividendsPerShareAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_DividendsReinvestedInSharesFromTreasuryMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for dividends reinvested in shares from treasury.", "label": "Dividends reinvested in shares from Treasury" } } }, "localname": "DividendsReinvestedInSharesFromTreasuryMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_DonationToTelusFriendlyFutureFoundationInCommonSharesValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Impact to EBITDA related to the value of Common shares donated to TELUS Friendly Future Foundation.", "label": "Donation To TELUS Friendly Future Foundation In Common Shares Value", "terseLabel": "Donation to TELUS Friendly Future Foundation in Common Shares" } } }, "localname": "DonationToTelusFriendlyFutureFoundationInCommonSharesValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_EarningsBeforeInterestTaxesDepreciationAndAmortization": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "EBITDA is defined as the entity's operating revenues less goods and services purchased and employee benefits expense.", "label": "Earnings Before Interest Taxes Depreciation And Amortization", "negatedLabel": "EBITDA", "terseLabel": "EBITDA", "totalLabel": "EBITDA" } } }, "localname": "EarningsBeforeInterestTaxesDepreciationAndAmortization", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_EarningsBeforeInterestTaxesDepreciationAndAmortizationExcludingRestructuringAndOtherCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 1.0, "parentTag": "tu_EarningsBeforeInterestTaxesDepreciationAndAmortization", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "EBITDA - Defined as the entity's operating revenues and other income less goods and services purchased and employee benefits expense, excluding restructuring and other costs.", "label": "Earnings Before Interest Taxes Depreciation And Amortization Excluding Restructuring And Other Costs", "terseLabel": "EBITDA - excluding restructuring and other costs" } } }, "localname": "EarningsBeforeInterestTaxesDepreciationAndAmortizationExcludingRestructuringAndOtherCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_EarningsBeforeInterestTaxesDepreciationAndAmortizationExcludingRestructuringAndOtherCostsInterestCoverageRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "EBITDA - excluding restructuring and other costs interest coverage is defined as EBITDA - excluding restructuring and other costs, divided by net interest cost. This measure is substantially similar to the coverage ratio covenant on the entity's credit facilities.", "label": "Earnings Before Interest Taxes Depreciation And Amortization Excluding Restructuring And Other Costs Interest Coverage Ratio", "terseLabel": "EBITDA - excluding restructuring and other costs interest coverage ratio", "verboseLabel": "EBITDA - excluding restructuring and other costs interest coverage ratio" } } }, "localname": "EarningsBeforeInterestTaxesDepreciationAndAmortizationExcludingRestructuringAndOtherCostsInterestCoverageRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_EarningsCoverageRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Earnings coverage is defined as net income before borrowing costs and income tax expense, divided by borrowing costs (interest on long-term debt; interest on short-term borrowings and other; long-term debt prepayment premium), and adding back capitalized interest.", "label": "Earnings Coverage Ratio", "terseLabel": "Earnings coverage ratio" } } }, "localname": "EarningsCoverageRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_EffectOfDilutiveSecuritiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The effect of dilutive securities on the earnings per share computations.", "label": "Effect Of Dilutive Securities [Abstract]", "terseLabel": "Effect of dilutive securities" } } }, "localname": "EffectOfDilutiveSecuritiesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "stringItemType" }, "tu_EffectOfDispositionOfFinancialSolutionsBusinessOnIncomeTaxesPaid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Effect of disposition of financial solutions business on income taxes paid.", "label": "Effect of Disposition of Financial Solutions Business on Income Taxes Paid", "negatedLabel": "Effect of disposition of financial solutions business on income taxes paid" } } }, "localname": "EffectOfDispositionOfFinancialSolutionsBusinessOnIncomeTaxesPaid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_EffectsOfLeasePrincipalAndLeasesAccountedForAsFinanceLeasesPriorToAdoptionOfIfrs16": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetailsCalc2": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Effects of lease principal and leases accounted for as finance leases prior to adoption of IFRS 16.", "label": "Effects Of Lease Principal And Leases Accounted For As Finance Leases Prior To Adoption Of IFRS 16", "negatedLabel": "Effects of lease principal and leases accounted for as finance leases prior to adoption of IFRS 16" } } }, "localname": "EffectsOfLeasePrincipalAndLeasesAccountedForAsFinanceLeasesPriorToAdoptionOfIfrs16", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ElectricalConsumptionCommodityDerivativeNotionalAmount": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The notional amount of the electrical consumption commodity derivative to purchase solar energy, expressed in megawatt hours (MWh).", "label": "Electrical Consumption Commodity Derivative Notional Amount", "terseLabel": "Electrical consumption commodity derivative, Notional amount (in MWh)" } } }, "localname": "ElectricalConsumptionCommodityDerivativeNotionalAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "energyItemType" }, "tu_ElectricalConsumptionCommodityDerivativeUnitPrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The unit price of the electrical consumption commodity derivative to purchase solar energy, expressed in dollars per megawatt hour (CAD/MWh).", "label": "Electrical Consumption Commodity Derivative Unit Price", "terseLabel": "Electrical consumption commodity derivative, Price (CAD/MWh)." } } }, "localname": "ElectricalConsumptionCommodityDerivativeUnitPrice", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_EmployeeBenefitsExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to employee benefits expense.", "label": "Employee benefits expense [Abstract]", "terseLabel": "Employee benefits expense - gross" } } }, "localname": "EmployeeBenefitsExpenseAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "stringItemType" }, "tu_EmployeeBenefitsExpenseAndFinancingCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the locations of employee benefits expense and financing costs on the income statement.", "label": "Employee benefits expense and financing costs" } } }, "localname": "EmployeeBenefitsExpenseAndFinancingCostsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_EmployeeBenefitsExpenseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the location of Employee benefits expense on the income statement.", "label": "Employee benefits expense [member]", "terseLabel": "Employee benefits expense" } } }, "localname": "EmployeeBenefitsExpenseMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_EmployeeBenefitsExpenseTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Presents information related to employee benefits expense.", "label": "Employee Benefits Expense [Table]", "terseLabel": "Employee benefits expense [Table]" } } }, "localname": "EmployeeBenefitsExpenseTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "stringItemType" }, "tu_EmployeeBenefitsIncludingRestructuring": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 2.0, "parentTag": "ifrs-full_EmployeeBenefitsExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Total expense of all wages, share-based compensation, pension, restructuring costs and other costs in other employee benefits expense.", "label": "Employee Benefits Including Restructuring", "totalLabel": "Total" } } }, "localname": "EmployeeBenefitsIncludingRestructuring", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_EmployeeFutureBenefitsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "employee future benefits" } } }, "localname": "EmployeeFutureBenefitsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_EmployeeFutureBenefitsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for employee future benefits.", "label": "Employee Future Benefits [Text Block]", "terseLabel": "employee future benefits" } } }, "localname": "EmployeeFutureBenefitsTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefits" ], "xbrltype": "textBlockItemType" }, "tu_EmployeeRelatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents information pertaining to employee related provisions.", "label": "Employee-related" } } }, "localname": "EmployeeRelatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "domainItemType" }, "tu_EmployeeSharePurchasePlanEmployerContributions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the entity's contribution to employee share purchase plan.", "label": "Employee Share Purchase Plan, Employer Contributions", "terseLabel": "Employer contributions to employee share purchase plan related to transformative compensation" } } }, "localname": "EmployeeSharePurchasePlanEmployerContributions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_EmployeeSharePurchasePlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for employee share purchase plan under which eligible employees up to a certain job classification can purchase our Common Shares through regular payroll deductions by contributing certain percentage from their pay.", "label": "Employee share purchase plan" } } }, "localname": "EmployeeSharePurchasePlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "domainItemType" }, "tu_EquinoxeVirtualClinicCorpMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Equinoxe Virtual Clinic Corp., (d.b.a. EQ Care).", "label": "EQ Care" } } }, "localname": "EquinoxeVirtualClinicCorpMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_EquityAdjusted": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities.", "label": "Equity, Adjusted", "terseLabel": "Balance as adjusted" } } }, "localname": "EquityAdjusted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_EquityAttributableToOtherPartners": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities attributable to other partners of the parent entity.", "label": "Equity Attributable To Other Partners", "terseLabel": "Other partners" } } }, "localname": "EquityAttributableToOtherPartners", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_EscrowedDeposit": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments.", "label": "Escrowed Deposit", "terseLabel": "Escrowed deposits" } } }, "localname": "EscrowedDeposit", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_EstimatedFutureBenefitPaymentsFromDefinedBenefitPensionPlans": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The estimated amount, at the balance sheet date, of the future benefit payments to be made during the specified period from defined benefit plans", "label": "Estimated Future Benefit Payments From Defined Benefit Pension Plans", "terseLabel": "Estimated future benefit payments" } } }, "localname": "EstimatedFutureBenefitPaymentsFromDefinedBenefitPensionPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "tu_ExchangeOfDebenturesAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of exchange of debentures under borrowings.", "label": "Exchange of debentures, amount", "terseLabel": "Exchange of debentures" } } }, "localname": "ExchangeOfDebenturesAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "monetaryItemType" }, "tu_ExcludingEffectsOfIfrs16Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for excluding effects of IFRS 16.", "label": "Excluding effects of IFRS 16" } } }, "localname": "ExcludingEffectsOfIfrs16Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "domainItemType" }, "tu_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssetsPresentedAsSharebasedCompensation": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets presented as share-based compensation.", "label": "Expense From Share-based Payment Transactions In Which Goods Or Services Received Did Not Qualify For Recognition As Assets, Presented As Sharebased Compensation", "terseLabel": "Expense presented as share-based compensation" } } }, "localname": "ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssetsPresentedAsSharebasedCompensation", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForeRecognitionAsAssetsShareOptionAwards": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The equity impact related to share option award share-based payment transactions in which the goods or services received did not qualify for recognition as assets.", "label": "Expense From Share-based Payment Transactions In Which Goods Or Services Received Did Not Qualify Fore Recognition As Assets Share Option Awards", "terseLabel": "Share option awards expense" } } }, "localname": "ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForeRecognitionAsAssetsShareOptionAwards", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_ExpenseOfRestructuringActivitiesEmployeeBenefits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 2.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expense relating to restructuring included in employee benefits expense.", "label": "Expense Of Restructuring Activities Employee Benefits", "terseLabel": "Restructuring costs" } } }, "localname": "ExpenseOfRestructuringActivitiesEmployeeBenefits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_ExpensesOfEmployeeHealthAndOtherBenefits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails": { "order": 5.0, "parentTag": "tu_EmployeeBenefitsIncludingRestructuring", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of employee health and other benefits in employee benefits expense.", "label": "Expenses of Employee Health and Other Benefits", "verboseLabel": "Employee health and other benefits" } } }, "localname": "ExpensesOfEmployeeHealthAndOtherBenefits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of the significant changes in the contract liabilities.", "label": "Explanation Of Significant Changes In Contract Liabilities [Table Text Block]", "terseLabel": "Schedule of changes in contract liabilities" } } }, "localname": "ExplanationOfSignificantChangesInContractLiabilitiesTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsTables" ], "xbrltype": "textBlockItemType" }, "tu_FairValueOfPlanAssetsAfterEffectOfAssetCeiling": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The fair value of defined benefit plan assets, adjusted for any effect of limiting it to the asset ceiling. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. The asset ceiling is the present value of any economic benefits available in the form of refunds from the defined benefit plan or reductions in future contributions to the defined benefit plan.", "label": "Fair Value Of Plan Assets After Effect Of Asset Ceiling", "totalLabel": "Fair value after asset ceiling" } } }, "localname": "FairValueOfPlanAssetsAfterEffectOfAssetCeiling", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "tu_FairValueWrittenPutOptionAndOther": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of fair value written put option and other.", "label": "Fair Value Written Put Option and Other", "verboseLabel": "Other" } } }, "localname": "FairValueWrittenPutOptionAndOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "monetaryItemType" }, "tu_FinanceCostsCapitalized": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of costs associated with financing activities of the entity capitalized during the period.", "label": "Finance Costs Capitalized", "terseLabel": "Capitalized financing costs" } } }, "localname": "FinanceCostsCapitalized", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "tu_FinanceLeaseLiabilitiesIas17": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Schedule disclosing information related to finance leases and operating leases by the lessee.", "label": "Finance Lease Liabilities IAS17", "terseLabel": "Finance leases" } } }, "localname": "FinanceLeaseLiabilitiesIas17", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "tu_FinanceLeasesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for finance leases.", "label": "Finance leases" } } }, "localname": "FinanceLeasesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_FinancialLiabilitiesUndiscountedCashFlows": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net amount of contractual undiscounted cash flows in relation to financial liabilities.", "label": "Financial liabilities, undiscounted cash flows", "totalLabel": "Contractual maturities, undiscounted financial liabilities" } } }, "localname": "FinancialLiabilitiesUndiscountedCashFlows", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "tu_FinancingCostsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "financing costs" } } }, "localname": "FinancingCostsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_FinancingCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the location of Financing costs on the income statement.", "label": "Financing costs" } } }, "localname": "FinancingCostsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_FirstPreferredSharesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for first preferred shares.", "label": "First preferred shares" } } }, "localname": "FirstPreferredSharesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_FixedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Fixed segment.", "label": "Fixed [Member]" } } }, "localname": "FixedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_FixedSubscriberBaseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of intangible assets representing intangible fixed subscriber base.", "label": "Fixed subscriber base" } } }, "localname": "FixedSubscriberBaseMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_ForecastScenarioMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member pertains to the forecast scenario.", "label": "Forecast Member" } } }, "localname": "ForecastScenarioMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_ForeignExchangeDerivativeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member stands for a cross currency interest rate exchange agreement.", "label": "Foreign exchange derivative" } } }, "localname": "ForeignExchangeDerivativeMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_FreeCashFlow": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetailsCalc2": { "order": 4.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "A key performance measure defined as EBITDA (operating revenues less goods and services purchased and employee benefits expense) excluding certain working capital changes (such as trade receivables and trade payables), proceeds from divested assets and other sources and uses of cash, as found in the consolidated statements of cash flows, used by management, and investors to evaluate business performance.", "label": "Free Cash Flow", "terseLabel": "Free cash flow" } } }, "localname": "FreeCashFlow", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_FreeCashFlowBeforeIncomeTaxes": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to free cash flows before income taxes, defined as EBITDA (operating revenues less goods and services purchased and employee benefits expense), before taxes, excluding certain working capital changes (such as trade receivables and trade payables), proceeds from divested assets and other sources and uses of cash, as found in the consolidated statements of cash flows.", "label": "Free Cash Flow Before Income Taxes", "totalLabel": "Free cash flow before income taxes" } } }, "localname": "FreeCashFlowBeforeIncomeTaxes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_FullyManagedIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Fully Managed Inc.", "label": "Fully Managed Inc." } } }, "localname": "FullyManagedIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsSubsequentToReportingPeriodDetails" ], "xbrltype": "domainItemType" }, "tu_FundedDefinedBenefitPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for funded defined benefit pension plans.", "label": "Funded Defined Benefit Pension Plans" } } }, "localname": "FundedDefinedBenefitPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails" ], "xbrltype": "domainItemType" }, "tu_FundedDefinedBenefitPlanPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for defined benefit plans that have defined benefit obligations accrued in excess of plan assets that are funded.", "label": "Pension plans that have defined benefit obligations accrued in excess of plan assets - Funded" } } }, "localname": "FundedDefinedBenefitPlanPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 4.0, "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": 1.0, "parentTag": "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsIncludingDerivativeLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt interest and like carrying costs.", "label": "Future Cash Outflows Long Term Debt Interest And Like Carrying Costs", "terseLabel": "Future cash outflows in respect of associated interest and like carrying costs" } } }, "localname": "FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsDerivativeLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 2.0, "parentTag": "tu_ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchangedDerivativeReceive", "weight": -1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": 2.0, "parentTag": "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsIncludingDerivativeLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt interest and like carrying costs on derivative liabilities.", "label": "Future Cash Outflows Long Term Debt Interest And Like Carrying Costs Derivative Liabilities", "terseLabel": "Future cash outflows in respect of associated interest and like carrying costs - Derivative Liabilities" } } }, "localname": "FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsFinanceLeases": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt interest and like carrying costs on finance leases.", "label": "Future Cash Outflows Long-term Debt Interest and Like Carrying Costs Finance Leases", "terseLabel": "Future cash outflows in respect of associated interest and like carrying costs - Finance leases" } } }, "localname": "FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsFinanceLeases", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsIncludingDerivativeLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 2.0, "parentTag": "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt interest and like carrying costs including derivative liabilities.", "label": "Future Cash Outflows Long Term Debt Interest And Like Carrying Costs Including Derivative Liabilities", "totalLabel": "Total" } } }, "localname": "FutureCashOutflowsLongTermDebtInterestAndLikeCarryingCostsIncludingDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_FutureCashOutflowsLongTermDebtPrincipalRepaymentsDerivativeLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 1.0, "parentTag": "tu_ContractualAmountsToBeExchangedInDerivativeFinancialInstrumentForWhichGrossCashFlowsAreExchangedDerivativeReceive", "weight": -1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": 2.0, "parentTag": "tu_FutureCashOutflowsLongTermDebtPrincipalRepaymentsIncludingDerivativeLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt principal repayments on derivative liabilities.", "label": "Future Cash Outflows Long Term Debt Principal Repayments Derivative Liabilities", "terseLabel": "Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities" } } }, "localname": "FutureCashOutflowsLongTermDebtPrincipalRepaymentsDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_FutureCashOutflowsLongTermDebtPrincipalRepaymentsIncludingDerivativeLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": 3.0, "parentTag": "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflows in respect of long-term debt principal repayments including derivative liabilities.", "label": "Future Cash Outflows Long Term Debt Principal Repayments Including Derivative Liabilities", "totalLabel": "Total" } } }, "localname": "FutureCashOutflowsLongTermDebtPrincipalRepaymentsIncludingDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_GOC2.14TenYearTermNoteMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the 2.14% GOC 10-year term note.", "label": "GOC 2.14% 10-year term note" } } }, "localname": "GOC2.14TenYearTermNoteMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_GainAndNetEquityIncomeRealEstateJointVenturesAfterTax": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The after tax non-recurring gains and net equity income related to real estate joint ventures.", "label": "Gain And Net Equity Income Real Estate Joint Ventures After Tax", "terseLabel": "Deduct non-recurring gains and equity income related to real estate joint ventures" } } }, "localname": "GainAndNetEquityIncomeRealEstateJointVenturesAfterTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_GainExchangeWirelessSpectrumLicencesAfterTax": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 4.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The after tax gain on exchange of wireless spectrum licensees.", "label": "Gain Exchange Wireless Spectrum Licences After Tax", "terseLabel": "Gain on exchange of wireless spectrum licences, after income taxes" } } }, "localname": "GainExchangeWirelessSpectrumLicencesAfterTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_GainLossOnAdvancesToAcquiredEntityPriorToAcquisitionSettledAsConsiderationInBusinessCombination": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The gain (loss) recognized upon settlement of advances to an acquired entity made prior to acquistion that were settled at the date of the business combination.", "label": "Gain Loss On Advances To Acquired Entity Prior to Acquisition Settled As Consideration In Business Combination", "terseLabel": "Gain (loss) recognized on settlement of pre-existing relationship" } } }, "localname": "GainLossOnAdvancesToAcquiredEntityPriorToAcquisitionSettledAsConsiderationInBusinessCombination", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_GainLossOnDispositionOfFinancialSolutionsBusinessNetOfEffectOnIncomeTaxesPaid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of gain on disposition of financial solutions business, net of effect on income taxes paid.", "label": "Gain (Loss) on Disposition of Financial Solutions Business, Net of Effect on Income Taxes Paid", "negatedLabel": "Gain on disposition of financial solutions business, net of effect on income taxes paid" } } }, "localname": "GainLossOnDispositionOfFinancialSolutionsBusinessNetOfEffectOnIncomeTaxesPaid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_Goc0.71TenYearTermNoteMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the 0.71% GOC 10-year term note.", "label": "GOC 0.71% 10-year term note" } } }, "localname": "Goc0.71TenYearTermNoteMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_Goc2.40TenYearTermNoteMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the 2.40% GOC 10-year term note.", "label": "GOC 2.40% 10-year term note" } } }, "localname": "Goc2.40TenYearTermNoteMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_GoodsAndServicesPurchased": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome": { "order": 1.0, "parentTag": "ifrs-full_OperatingExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expense incurred for goods and services purchased.", "label": "Goods And Services Purchased", "terseLabel": "Goods and services purchased" } } }, "localname": "GoodsAndServicesPurchased", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "tu_GoodsAndServicesPurchasedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the location of Goods and services purchased on the income statement.", "label": "Goods and services purchased" } } }, "localname": "GoodsAndServicesPurchasedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "domainItemType" }, "tu_GoodwillAndIdentifiableAssetsAcquiredLiabilitiesAssumed": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for net identifiable assets acquired, goodwill or liabilities assumed in a business combination.", "label": "Goodwill and Identifiable Assets Acquired (Liabilities Assumed)", "totalLabel": "Net assets acquired" } } }, "localname": "GoodwillAndIdentifiableAssetsAcquiredLiabilitiesAssumed", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_GovernmentAssistance": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherRevenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Government assistance income, including deferral account amortization", "label": "Government assistance", "terseLabel": "Government assistance" } } }, "localname": "GovernmentAssistance", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_GovernmentalSecuritiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for governmental securities.", "label": "Government securities" } } }, "localname": "GovernmentalSecuritiesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "tu_GrossBorrowings": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails": { "order": 1.0, "parentTag": "tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Borrowings that are outstanding at the reporting date, excluding unamortized costs.", "label": "Gross Borrowings", "verboseLabel": "Outstanding" } } }, "localname": "GrossBorrowings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_HealthRelatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for health related acquisition.", "label": "Health Related" } } }, "localname": "HealthRelatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_HealthcareRelatedIndividuallyImmaterialBusinessCombinationsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the healthcare-related individually immaterial transactions.", "label": "Individually immaterial healthcare-related transactions" } } }, "localname": "HealthcareRelatedIndividuallyImmaterialBusinessCombinationsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_HedgeIneffectivenessRecognizedInFinancingCosts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of hedge ineffectiveness recognized in Financing costs.", "label": "Hedge Ineffectiveness Recognized in Financing Costs", "terseLabel": "Hedge ineffectiveness recognized in financing costs" } } }, "localname": "HedgeIneffectivenessRecognizedInFinancingCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "monetaryItemType" }, "tu_HomeAndBusinessSecurityRelatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for home and business security-related services.", "label": "Home and business security-related" } } }, "localname": "HomeAndBusinessSecurityRelatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_IdentifiableAssetsAcquired": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for total identifiable assets acquired in a business combination.", "label": "Identifiable Assets Acquired", "totalLabel": "Total identifiable assets acquired" } } }, "localname": "IdentifiableAssetsAcquired", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IdentifiableIntangibleAssetsWithIndefiniteUsefulLifeRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognised as of the acquisition date for identifiable intangible assets with indefinite useful life acquired in a business combination.", "label": "Identifiable Intangible Assets with Indefinite Useful Life Recognised as of Acquisition Date", "terseLabel": "Intangible assets with indefinite lives" } } }, "localname": "IdentifiableIntangibleAssetsWithIndefiniteUsefulLifeRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IdentifiableLiabilitiesAssumedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for Identifiable Liabilities assumed in a business combination.", "label": "Identifiable Liabilities Assumed As Of Acquisition Date", "totalLabel": "Total liabilities assumed" } } }, "localname": "IdentifiableLiabilitiesAssumedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_Ifrs16Adjustment": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustment to EBITDA due to the application of IFRS 16.", "label": "IFRS 16 Adjustment", "terseLabel": "Retrospective IFRS 16 simulation" } } }, "localname": "Ifrs16Adjustment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsAllowanceForDoubtfulAccountsReceivable": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails": { "order": 1.0, "parentTag": "tu_CurrentReceivablesFromContractsWithCustomersNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.", "label": "IFRS Allowance For Doubtful Accounts Receivable", "negatedLabel": "Allowance for doubtful accounts" } } }, "localname": "IfrsAllowanceForDoubtfulAccountsReceivable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersAccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the calculation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "IFRS Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount", "terseLabel": "Outstanding share awards excluded in the calculation of diluted net income per Common Share" } } }, "localname": "IfrsAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "sharesItemType" }, "tu_IfrsAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of antidilutive security.", "label": "Antidilutive Securities [Axis]" } } }, "localname": "IfrsAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsAntidilutiveSecuritiesNameMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.", "label": "Antidilutive Securities Name [Member]" } } }, "localname": "IfrsAntidilutiveSecuritiesNameMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsAssetUnderConstructionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Asset in process of being built.", "label": "Assets under construction [member]", "terseLabel": "Assets under construction" } } }, "localname": "IfrsAssetUnderConstructionMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsBalanceSheetLocationAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by location on balance sheet (statement of financial position).", "label": "Balance Sheet Location [Axis]" } } }, "localname": "IfrsBalanceSheetLocationAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsBalanceSheetLocationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Location in the balance sheet (statement of financial position).", "label": "Balance Sheet Location [Member]" } } }, "localname": "IfrsBalanceSheetLocationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsDebtInstrumentIssuedDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The date the debt instrument was issued.", "label": "IFRS Debt Instrument Issued Date", "terseLabel": "Issued" } } }, "localname": "IfrsDebtInstrumentIssuedDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDebtInstrumentMaturityDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The date when the debt instrument is scheduled to be fully repaid.", "label": "IFRS Debt Instrument Maturity Date", "terseLabel": "Maturity" } } }, "localname": "IfrsDebtInstrumentMaturityDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDebtInstrumentTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "IFRS Debt Instrument Term", "terseLabel": "Debt instrument term" } } }, "localname": "IfrsDebtInstrumentTerm", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "durationItemType" }, "tu_IfrsDefinedBenefitPlanTargetPlanAssetAllocation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Target future allocation of investments of this type to total plan assets presented on a weighted average basis.", "label": "IFRS Defined Benefit Plan Target Plan Asset Allocation", "terseLabel": "Target future allocation" } } }, "localname": "IfrsDefinedBenefitPlanTargetPlanAssetAllocation", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_IfrsDefinedBenefitPlanWeightedAverageAssetAllocations": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.", "label": "Defined Benefit Plan Weighted Average Asset Allocations", "terseLabel": "Percentage of plan assets at end of year" } } }, "localname": "IfrsDefinedBenefitPlanWeightedAverageAssetAllocations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_IfrsDefinedContributionPlanLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "IFRS Defined Contribution Pension Plans [Line Items]", "terseLabel": "Defined contribution pension plans" } } }, "localname": "IfrsDefinedContributionPlanLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDefinedContributionPlanTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans.", "label": "IFRS Defined Contribution Plan [Table]" } } }, "localname": "IfrsDefinedContributionPlanTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDerivativeInstrumentMaximumMaturityDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum maturity date of the derivative instrument.", "label": "IFRS Derivative Instrument Maximum Maturity Date", "terseLabel": "Maximum maturity date" } } }, "localname": "IfrsDerivativeInstrumentMaximumMaturityDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDividendsDeclaredTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information related to dividends declared, including paid and unpaid dividends.", "label": "IFRS Dividends Declared [Table Text Block]", "terseLabel": "Dividends per share" } } }, "localname": "IfrsDividendsDeclaredTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareTables" ], "xbrltype": "textBlockItemType" }, "tu_IfrsDividendsPerShareLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information related to the amount of dividends paid per share.", "label": "Dividends per share", "terseLabel": "Dividends per share" } } }, "localname": "IfrsDividendsPerShareLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsDividendsPerShareTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule reflecting dividends paid per share.", "label": "IFRS Dividends Per Share [Table]" } } }, "localname": "IfrsDividendsPerShareTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsEmployeeStockOptionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An arrangement whereby an employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Options may be used to attract, retain and incentivize employees, in addition to their regular salary and other benefits.", "label": "Share option awards" } } }, "localname": "IfrsEmployeeStockOptionMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsEquipmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for revenue from sale of equipment.", "label": "Equipment" } } }, "localname": "IfrsEquipmentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsHedgeRatioPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The hedge ratio of the derivative, established by assessing the degree of matching between the notional amounts of hedging items and the notional amounts of the associated hedged items.", "label": "IFRS Hedge Ratio Percentage", "terseLabel": "Hedge ratio" } } }, "localname": "IfrsHedgeRatioPercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "percentItemType" }, "tu_IfrsIncreaseDecreaseInAccountsPayable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.", "label": "IFRS Increase Decrease In Accounts Payable", "verboseLabel": "Increase (decrease) in accounts payable" } } }, "localname": "IfrsIncreaseDecreaseInAccountsPayable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsLettersOfCreditOutstandingAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.", "label": "IFRS Letters Of Credit Outstanding Amount", "terseLabel": "Letters of credit outstanding" } } }, "localname": "IfrsLettersOfCreditOutstandingAmount", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "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.", "label": "IFRS Line Of Credit Facility Maximum Borrowing Capacity", "terseLabel": "Maximum aggregate amount of credit facility", "totalLabel": "Gross available" } } }, "localname": "IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsLitigationCaseAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of judicial proceeding, alternative dispute resolution or claim.", "label": "Litigation Case [Axis]" } } }, "localname": "IfrsLitigationCaseAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsLitigationCaseTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Judicial proceeding, alternative dispute resolution or claim. For example, but not limited to, name of case, category of litigation, or other differentiating information.", "label": "Litigation Case Type [Domain]" } } }, "localname": "IfrsLitigationCaseTypeDomain", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsLossContingencyDamagesSoughtValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The value (monetary amount) of the award the plaintiff seeks in the legal matter.", "label": "IFRS Loss Contingency Damages Sought Value", "terseLabel": "Damages sought" } } }, "localname": "IfrsLossContingencyDamagesSoughtValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IfrsOperatingLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating leases future minimum payments due.", "label": "IFRS Operating Leases Future Minimum Payments Due [Abstract]", "terseLabel": "Operating leases, future minimum payments due, fiscal year maturity" } } }, "localname": "IfrsOperatingLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsRealEstateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Real estate" } } }, "localname": "IfrsRealEstateMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsRestrictedStockUnitsRSUMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.", "label": "Restricted stock units RSU [member]", "terseLabel": "Restricted share units" } } }, "localname": "IfrsRestrictedStockUnitsRSUMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carry-forwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.", "label": "IFRS Schedule Of Components Of Income Tax Expense Benefit [Table Text Block]", "terseLabel": "Expense composition" } } }, "localname": "IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "tu_IfrsScheduleOfEffectiveIncomeTaxAmountAndRateReconciliationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pre-tax income from continuing operations.", "label": "IFRS Schedule of Effective Income Tax Amount and Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of reconciliation of income tax expense and effective income tax rate" } } }, "localname": "IfrsScheduleOfEffectiveIncomeTaxAmountAndRateReconciliationTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "tu_IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pre-tax income from continuing operations.", "label": "IFRS Schedule Of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Rate reconciliations" } } }, "localname": "IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "tu_IfrsSegmentReportingInformationProfitLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "IFRS Segment Reporting Information Profit Loss [Abstract]", "terseLabel": "Income before income taxes" } } }, "localname": "IfrsSegmentReportingInformationProfitLossAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationIncomeBeforeIncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsServiceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Assistance, including, but not limited to, technology, license and maintenance, license and service, maintenance, oil and gas, and financial service.", "label": "Service" } } }, "localname": "IfrsServiceMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Discount rate from fair value on purchase date that participants pay for shares.", "label": "IFRS Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date", "terseLabel": "Purchase plan discount" } } }, "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "IFRS Share-based Compensation Arrangement By Share-based Payment Award Equity Instruments Other Than Options Non-vested [Roll Forward]", "terseLabel": "Number of restricted share units - Non-vested" } } }, "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "stringItemType" }, "tu_IfrsUnusualOrInfrequentItemLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "IFRS Unusual Or Infrequent Item [Line Items]" } } }, "localname": "IfrsUnusualOrInfrequentItemLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits" ], "xbrltype": "stringItemType" }, "tu_IfrsUnusualOrInfrequentItemTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about the nature and financial statement effect of an event or transaction that is unusual in nature or infrequent in occurrence, or both.", "label": "IFRS Unusual or Infrequent Item, or Both [Table]" } } }, "localname": "IfrsUnusualOrInfrequentItemTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDeposits", "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsDetails" ], "xbrltype": "stringItemType" }, "tu_ImmediatelyVestingTransformativeCompensationExpenseAfterTax": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 5.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Immediately vesting transformative compensation expense, after income taxes.", "label": "Immediately Vesting Transformative Compensation Expense After Tax", "negatedLabel": "Immediately vesting transformative compensation expense, after income taxes" } } }, "localname": "ImmediatelyVestingTransformativeCompensationExpenseAfterTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeAndOtherTaxesPayableRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognised as of the acquisition date for income and other taxes payable assumed in a business combination.", "label": "Income and Other Taxes Payable Recognised as of Acquisition Date", "terseLabel": "Income and other taxes payable" } } }, "localname": "IncomeAndOtherTaxesPayableRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeFromSubleasingRightOfUseAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Income from subleasing right-of-use assets [Abstract]", "terseLabel": "Income from subleasing right-of-use lease assets" } } }, "localname": "IncomeFromSubleasingRightOfUseAssetsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "stringItemType" }, "tu_IncomeFromSubleasingRightOfUseAssetsOther": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "This represents income from other sublet revenue included in other operating income", "label": "Income from Subleasing Right-of-Use Assets, Other", "terseLabel": "Other sublet revenue included in other operating income" } } }, "localname": "IncomeFromSubleasingRightOfUseAssetsOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxPaidRelatingToComponentsOfOtherComprehensiveIncome": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxesPaidRefund", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Cash flows for income tax paid or refunded relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]", "label": "Income Tax Paid Relating to Components Of Other Comprehensive Income", "negatedLabel": "In respect of comprehensive income" } } }, "localname": "IncomeTaxPaidRelatingToComponentsOfOtherComprehensiveIncome", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxRelatedAdjustmentsToNetIncomeAttributableToCommonShares": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 6.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Income tax adjustment attribute to common shares.", "label": "Income Tax Related Adjustments To Net Income Attributable To Common Shares", "negatedLabel": "Income tax-related adjustments" } } }, "localname": "IncomeTaxRelatedAdjustmentsToNetIncomeAttributableToCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeAccumulatedOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 1.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "weight": -1.0 }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of income tax relating to amounts recognized in other comprehensive income in relation to cash flow hedges in accumulated other comprehensive income.", "label": "Income Tax Relating To Cash Flow Hedges Of Other Comprehensive Income Accumulated Other", "totalLabel": "Income tax relating to accumulated other comprehensive income" } } }, "localname": "IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeAccumulatedOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeNotReclassification": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 1.0, "parentTag": "ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of income tax relating to amounts recognized in other comprehensive income in relation to cash flow hedges not transferred to net income.", "label": "Income Tax Relating To Cash Flow Hedges Of Other Comprehensive Income Not Reclassification", "terseLabel": "Income tax relating to changes in unrealized fair value of derivatives designated as cash flow hedges gains (losses) arising" } } }, "localname": "IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeNotReclassification", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeReclassification": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of income tax relating to amounts recognized in other comprehensive income in relation to cash flow hedges reclassified.", "label": "Income Tax Relating To Cash Flow Hedges Of Other Comprehensive Income Reclassification", "terseLabel": "Income tax relating to change in unrealized fair value of derivatives designated as cash flow hedges (gains) losses transferred to net income" } } }, "localname": "IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncomeReclassification", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncomeTaxesPaidBusinessAcquisitions": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxesPaidRefund", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash flows from income taxes paid or refunded in respect of business acquisitions.", "label": "Income taxes Paid, Business Acquisitions", "negatedLabel": "In respect of business acquisitions" } } }, "localname": "IncomeTaxesPaidBusinessAcquisitions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseAccountsPayableAndAccruedLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 5.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase Decrease in Accounts Payable And Accrued Liabilities", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "IncreaseDecreaseAccountsPayableAndAccruedLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseAccruedTaxesPayable": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 6.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period of all taxes owed but not paid, including income, property and other taxes.", "label": "Increase Decrease In Accrued Taxes Payable", "terseLabel": "Income and other taxes receivable and payable, net" } } }, "localname": "IncreaseDecreaseAccruedTaxesPayable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseContractAssetsOther": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in contract assets resulting from other activities.", "label": "Increase Decrease Contract Assets Other", "terseLabel": "Other" } } }, "localname": "IncreaseDecreaseContractAssetsOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseCustomerAdvancesAndDeposits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 7.0, "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amount of (a) prepayments by customers for goods or services to be provided at a later date, (b) the amount of customer money held in customer accounts, including security deposits, collateral for a current or future transactions, initial payment of the cost of acquisition or for the right to enter into a contract or agreement, or (c) a combination of (a) and (b).", "label": "Increase Decrease In Customer Advances And Deposits", "terseLabel": "Advance billings and customer deposits" } } }, "localname": "IncreaseDecreaseCustomerAdvancesAndDeposits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseDividendsReinvestedAndOptionalCashPaymentsShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from dividends reinvested and optional cash payments.", "label": "Increase Decrease Dividends Reinvested And Optional Cash Payments Shares", "terseLabel": "Dividends reinvested and optional cash payments (in shares)" } } }, "localname": "IncreaseDecreaseDividendsReinvestedAndOptionalCashPaymentsShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_IncreaseDecreaseDividendsReinvestedAndOptionalCashPaymentsValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in equity resulting from dividends reinvested and optional cash payments.", "label": "Increase Decrease Dividends Reinvested And Optional Cash Payments Value", "terseLabel": "Dividends reinvested and optional cash payments" } } }, "localname": "IncreaseDecreaseDividendsReinvestedAndOptionalCashPaymentsValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseDueToApplicationOfIfrs16Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the financial effect of application of IFRS 16.", "label": "IFRS 16 effects" } } }, "localname": "IncreaseDecreaseDueToApplicationOfIfrs16Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails", "http://www.telus.com/role/DisclosureProvisionsDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "tu_IncreaseDecreaseDueToApplicationOfIfrs9Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the financial effect of application of IFRS 9.", "label": "IFRS 9 effects" } } }, "localname": "IncreaseDecreaseDueToApplicationOfIfrs9Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "domainItemType" }, "tu_IncreaseDecreaseEarningsCoverageRatioDueToChangeInBorrowingCosts": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in earnings coverage ratio due to an (increase) decrease in borrowing costs.", "label": "Increase Decrease Earnings Coverage Ratio Due To Change In Borrowing Costs", "terseLabel": "Increase (decrease) in earnings coverage ratio due to an (increase) decrease in borrowing costs" } } }, "localname": "IncreaseDecreaseEarningsCoverageRatioDueToChangeInBorrowingCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseEarningsCoverageRatioDueToChangeInIncomeBeforeBorrowingCostsAndIncomeTaxes": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in earnings coverage ratio due to an increase (decrease) in income before borrowing costs and income taxes.", "label": "Increase Decrease Earnings Coverage Ratio Due To Change In Income Before Borrowing Costs And Income Taxes", "terseLabel": "Increase (decrease) in earnings coverage ratio due to an increase (decrease) in income before borrowing costs and income taxes" } } }, "localname": "IncreaseDecreaseEarningsCoverageRatioDueToChangeInIncomeBeforeBorrowingCostsAndIncomeTaxes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseEbitdaExcludingRestructuringAndOtherCostsInterestCoverageRatioDueToChangeInEbitda": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in EBITDA - excluding restructuring and other costs interest coverage ratio due to an increase (decrease) in EBITDA.", "label": "Increase Decrease EBITDA Excluding Restructuring And Other Costs Interest Coverage Ratio Due To Change In EBITDA", "terseLabel": "Increase (decrease) in EBITDA - excluding restructuring and other costs interest coverage ratio due to an increase (decrease) in EBITDA" } } }, "localname": "IncreaseDecreaseEbitdaExcludingRestructuringAndOtherCostsInterestCoverageRatioDueToChangeInEbitda", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseEbitdaExcludingRestructuringAndOtherCostsInterestCoverageRatioDueToChangeInNetInterestCosts": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in EBITDA - excluding restructuring and other costs interest coverage ratio due to an (increase) decrease in net interest costs.", "label": "Increase Decrease EBITDA Excluding Restructuring And Other Costs Interest Coverage Ratio Due To Change In Net Interest Costs", "terseLabel": "Increase (decrease) in EBITDA - excluding restructuring and other costs interest coverage ratio due to an (increase) decrease in net interest costs" } } }, "localname": "IncreaseDecreaseEbitdaExcludingRestructuringAndOtherCostsInterestCoverageRatioDueToChangeInNetInterestCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseInComprehensiveIncomeDueToReasonablyPossibleDecreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in comprehensive income, as a result of an decrease in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Comprehensive Income Due to Reasonably Possible Decrease in Risk Variable", "terseLabel": "Comprehensive income sensitivity to decrease in risk variable" } } }, "localname": "IncreaseDecreaseInComprehensiveIncomeDueToReasonablyPossibleDecreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInComprehensiveIncomeDueToReasonablyPossibleIncreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in comprehensive income, as a result of an increase in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Comprehensive Income Due to Reasonably Possible Increase in Risk Variable", "terseLabel": "Comprehensive income sensitivity to increase in risk variable" } } }, "localname": "IncreaseDecreaseInComprehensiveIncomeDueToReasonablyPossibleIncreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInDeferredTaxLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in deferred tax liabilities due to business combinations.", "label": "Increase Decrease In Deferred Tax Liabilities", "terseLabel": "Increase (decrease) in deferred tax liabilities" } } }, "localname": "IncreaseDecreaseInDeferredTaxLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInDefinedBenefitPlanExpenseDueToReasonablyPossibleDecreaseInActuarialAssumption": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in a defined benefit plan expense that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease In Defined Benefit Plan Expense Due To Reasonably Possible Decrease In Actuarial Assumption", "terseLabel": "Effect of decrease in actuarial assumption on expense" } } }, "localname": "IncreaseDecreaseInDefinedBenefitPlanExpenseDueToReasonablyPossibleDecreaseInActuarialAssumption", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInDefinedBenefitPlanExpenseDueToReasonablyPossibleIncreaseInActuarialAssumption": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in a defined benefit plan expense that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease In Defined Benefit Plan Expense Due To Reasonably Possible Increase In Actuarial Assumption", "terseLabel": "Effect of increase in actuarial assumption on expense" } } }, "localname": "IncreaseDecreaseInDefinedBenefitPlanExpenseDueToReasonablyPossibleIncreaseInActuarialAssumption", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInFinancialAssetsImpairmentAllowanceNet": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase (decrease) in impairment allowance for credit losses of financial assets.", "label": "Increase Decrease In Financial Assets Impairment Allowance Net", "negatedLabel": "Change in impairment allowance, net" } } }, "localname": "IncreaseDecreaseInFinancialAssetsImpairmentAllowanceNet", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInNetIncomeDueToReasonablyPossibleDecreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net income, as a result of an decrease in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Net Income Due to Reasonably Possible Decrease in Risk Variable", "terseLabel": "Net income sensitivity to decrease in risk variable" } } }, "localname": "IncreaseDecreaseInNetIncomeDueToReasonablyPossibleDecreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInNetIncomeDueToReasonablyPossibleIncreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net income, as a result of an increase in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Net Income Due to Reasonably Possible Increase in Risk Variable", "terseLabel": "Net income sensitivity to increase in risk variable" } } }, "localname": "IncreaseDecreaseInNetIncomeDueToReasonablyPossibleIncreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInNonCashChangeInAssetRetirementObligation": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 2.0, "parentTag": "tu_CapitalExpendituresNetNonCashInvestingWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in Non-cash change in asset retirement obligation.", "label": "Increase Decrease In Non-Cash Change In Asset Retirement Obligation", "terseLabel": "Non-cash change in asset retirement obligation" } } }, "localname": "IncreaseDecreaseInNonCashChangeInAssetRetirementObligation", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInNonCashInvestingWorkingCapital": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": 1.0, "parentTag": "tu_CapitalExpendituresNetNonCashInvestingWorkingCapital", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in non-cash investing working capital.", "label": "Increase (Decrease) in Non-cash Investing Working Capital", "terseLabel": "Change in associated non-cash investing working capital" } } }, "localname": "IncreaseDecreaseInNonCashInvestingWorkingCapital", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInOtherComprehensiveIncomeDueToReasonablyPossibleDecreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in other comprehensive income, as a result of an decrease in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Other Comprehensive Income Due to Reasonably Possible Decrease in Risk Variable", "terseLabel": "Other comprehensive income sensitivity to decrease in risk variable" } } }, "localname": "IncreaseDecreaseInOtherComprehensiveIncomeDueToReasonablyPossibleDecreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInOtherComprehensiveIncomeDueToReasonablyPossibleIncreaseInRiskVariable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in other comprehensive income, as a result of an increase in the relevant risk variable that was reasonably possible at the end of the reporting period.", "label": "Increase Decrease in Other Comprehensive Income Due to Reasonably Possible Increase in Risk Variable", "terseLabel": "Other comprehensive income sensitivity to increase in risk variable" } } }, "localname": "IncreaseDecreaseInOtherComprehensiveIncomeDueToReasonablyPossibleIncreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInProvisions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in provisions due to business combinations.", "label": "Increase (Decrease) in Provisions", "terseLabel": "Increase (decrease) in provisions" } } }, "localname": "IncreaseDecreaseInProvisions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseInRetainedEarnings": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments for the increase (decrease) in retained earnings due to business combinations.", "label": "Increase (Decrease) in Retained Earnings", "terseLabel": "Increase (decrease) in retained earnings" } } }, "localname": "IncreaseDecreaseInRetainedEarnings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseIssuingOrReceivingLiabilitiesArisingFromFinancingActivities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from debt issued or received.", "label": "Increase Decrease Issuing Or Receiving Liabilities Arising From Financing Activities", "terseLabel": "Issued or received" } } }, "localname": "IncreaseDecreaseIssuingOrReceivingLiabilitiesArisingFromFinancingActivities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseNetDebtToEBITDRatioDueToChangeInNetDebt": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net debt to EBITDA ratio due to increase (decrease) in net debt.", "label": "Increase Decrease Net Debt To EBITDA Ratio Due To Change In Net Debt", "terseLabel": "Increase in net debt to EBITDA ratio due to increase in net debt" } } }, "localname": "IncreaseDecreaseNetDebtToEBITDRatioDueToChangeInNetDebt", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseNetDebtToEbitdaExcludingRestructuringAndOtherCostsRatioTarget": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in target net debt to EBITDA ratio to reflect an accomodation for the effects of implementing IFRS 16, Leases.", "label": "Increase Decrease Net Debt To EBITDA Excluding Restructuring And Other Costs Ratio Target", "terseLabel": "Increase (decrease) in Target Net debt to EBITDA - excluding restructuring and other costs" } } }, "localname": "IncreaseDecreaseNetDebtToEbitdaExcludingRestructuringAndOtherCostsRatioTarget", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseNetDebtToEbitdaRatioIfrs16Application": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in net debt to EBITDA ratio due to the application of IFRS 16, Leases.", "label": "Increase Decrease Net Debt To EBITDA Ratio IFRS16 Application", "terseLabel": "Increase in net debt to EBITDA ratio due to the implementation of IFRS 16" } } }, "localname": "IncreaseDecreaseNetDebtToEbitdaRatioIfrs16Application", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_IncreaseDecreaseThroughAssetsUnderConstructionPutIntoService": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of intangible assets representing such Increase (decrease) through Assets under construction put into service . [Refer: Intangible assets other than goodwill].", "label": "Increase (Decrease) Through Assets Under Construction Put Into Service", "terseLabel": "Assets under construction put into service" } } }, "localname": "IncreaseDecreaseThroughAssetsUnderConstructionPutIntoService", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseThroughChangeInInterest": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in other provisions resulting from interest effect.", "label": "Increase Decrease Through Change In Interest", "verboseLabel": "Interest effects" } } }, "localname": "IncreaseDecreaseThroughChangeInInterest", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseThroughExerciseOfOptionsNetEquitySettlementFeatureShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of shares issued pursuant to use of the share option award net-equity settlement feature.", "label": "Increase Decrease Through Exercise Of Options Net Equity Settlement Feature Shares", "verboseLabel": "Share option award net-equity settlement feature (in shares)" } } }, "localname": "IncreaseDecreaseThroughExerciseOfOptionsNetEquitySettlementFeatureShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_IncreaseDecreaseThroughExerciseOfOptionsNetEquitySettlementFeatureValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase in equity related to shares issued pursuant to use of the share option award net-equity settlement feature.", "label": "Increase Decrease Through Exercise Of Options Net Equity Settlement Feature Value", "verboseLabel": "Share option award net-equity settlement feature" } } }, "localname": "IncreaseDecreaseThroughExerciseOfOptionsNetEquitySettlementFeatureValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseThroughFinancingRedemptionsRepaymentsOrPaymentsLiabilitiesArisingFromFinancingActivities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from debt redemptions, repayments or payments.", "label": "Increase Decrease Through Financing Redemptions Repayments Or Payments Liabilities Arising From Financing Activities", "terseLabel": "Redemptions, repayments or payments" } } }, "localname": "IncreaseDecreaseThroughFinancingRedemptionsRepaymentsOrPaymentsLiabilitiesArisingFromFinancingActivities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseDecreaseThroughSharebasedPaymentTransactionsShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares of equity resulting from share-based payment transactions.", "label": "Increase Decrease Through Sharebased Payment Transactions Shares", "terseLabel": "Equity accounted share-based compensation (in shares)" } } }, "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactionsShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_IncreaseDecreaseThroughTransfersAndOtherChangesEquityShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in shares resulting from changes that the entity does not separately disclose in the same statement or note.", "label": "Increase Decrease Through Transfers And Other Changes Equity Shares", "terseLabel": "Other (in shares)" } } }, "localname": "IncreaseDecreaseThroughTransfersAndOtherChangesEquityShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_IncreaseThroughOperationsContractAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase in contract assets resulting from operational activities during the period.", "label": "Increase Through Operations, Contract Assets", "terseLabel": "Net additions arising from operations" } } }, "localname": "IncreaseThroughOperationsContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_IncreaseThroughOperationsContractLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase in contract liabilities resulting from operation during the period.", "label": "Increase Through Operations Contract Liabilities", "terseLabel": "Net additions arising from operations" } } }, "localname": "IncreaseThroughOperationsContractLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IndirectTaxLiabilitiesAndOtherCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 3.0, "parentTag": "ifrs-full_TradeAndOtherCurrentPayables", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of other accounts payable and accrued liabilities including indirect taxes payable.", "label": "Indirect tax liabilities and Other, Current", "verboseLabel": "Indirect taxes payable and other" } } }, "localname": "IndirectTaxLiabilitiesAndOtherCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_InitialAcquisitionDateFairValuesXavientInformationSystemsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stand for initial acquisition date fair values in Xavient Information Systems.", "label": "Initial" } } }, "localname": "InitialAcquisitionDateFairValuesXavientInformationSystemsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_InitialAndCommittedDonationToTelusFriendlyFutureFoundationAfterIncomeTaxes": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 8.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of initial and committed donation to TELUS Friendly Future Foundation, after income taxes.", "label": "Initial And Committed Donation To TELUS Friendly Future Foundation After Income Taxes" } } }, "localname": "InitialAndCommittedDonationToTelusFriendlyFutureFoundationAfterIncomeTaxes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_InitialPublicOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for initial public offering of subordinate voting shares by TELUS International (Cda) Inc.", "label": "Initial public offering" } } }, "localname": "InitialPublicOfferingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "domainItemType" }, "tu_InnovationScienceAndEconomicDevelopmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to the Innovation, Science and Economic Development Canada's 600 MHz.", "label": "Innovation, Science and Economic Development" } } }, "localname": "InnovationScienceAndEconomicDevelopmentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "tu_InsidePlantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing inside plant.", "label": "Inside plant" } } }, "localname": "InsidePlantMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_IntangibleAssetsSubjectToAmortizationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for intangible assets subject to amortization.", "label": "Intangible assets subject to amortization" } } }, "localname": "IntangibleAssetsSubjectToAmortizationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "tu_IntangibleAssetsWithIndefiniteUsefulLifeAndGoodwill": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The combined amount of intangible assets assessed as having an indefinite useful life and goodwill held by the entity.", "label": "Intangible Assets With Indefinite Useful Life And Goodwill", "totalLabel": "Total" } } }, "localname": "IntangibleAssetsWithIndefiniteUsefulLifeAndGoodwill", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "monetaryItemType" }, "tu_IntangibleAssetsWithIndefiniteUsefulLivesPurchasePrice": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount paid to acquire intangible asset with indefinite useful life.", "label": "Intangible Assets With Indefinite Useful Lives, Purchase Price", "terseLabel": "Purchase price" } } }, "localname": "IntangibleAssetsWithIndefiniteUsefulLivesPurchasePrice", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestEffectDifferenceDueToDiscountRateOtherProvisions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The difference between the interest effect on other provisions and the interest accretion on provisions included in financing costs due to the change in the discount rates applicable to the provision.", "label": "Interest Effect Difference Due To Discount Rate Other Provisions", "terseLabel": "Differences of interest effect due to change in discount rates as compared to interest accretion on provisions" } } }, "localname": "InterestEffectDifferenceDueToDiscountRateOtherProvisions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseLongTermDebtCapitalizedToIndefiniteLivedIntangibleAssets": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to long-term debt, gross that was capitalized to indefinite-lived intangible assets.", "label": "Interest Expense, Long-Term Debt, Capitalized To Indefinite-Lived Intangible Assets", "negatedLabel": "Capitalized long-term debt interest" } } }, "localname": "InterestExpenseLongTermDebtCapitalizedToIndefiniteLivedIntangibleAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsAndOtherShortTerm": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 1.0, "parentTag": "ifrs-full_InterestExpenseOnBorrowings", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to short-term debt.", "label": "Interest Expense On Borrowings And Other, Short Term", "terseLabel": "Interest on short-term borrowings and other" } } }, "localname": "InterestExpenseOnBorrowingsAndOtherShortTerm", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsLongTermExcludingFinanceLease": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to long-term debt, excluding interest on finance leases.", "label": "Interest Expense On Borrowings Long Term, Excluding Finance Lease", "terseLabel": "Interest on long-term debt" } } }, "localname": "InterestExpenseOnBorrowingsLongTermExcludingFinanceLease", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 2.0, "parentTag": "ifrs-full_InterestExpenseOnBorrowings", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to long-term debt, net of interest capitalized to indefinite-lived intangible assets, excluding lease liabilities.", "label": "Interest Expense On Borrowings Long Term, Excluding Lease Liabilities", "totalLabel": "Interest on long-term debt, excluding lease liabilities" } } }, "localname": "InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesCapitalized": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 1.0, "parentTag": "tu_InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilities", "weight": 1.0 }, "http://www.telus.com/role/DisclosureFinancingCostsDetailsCalc2": { "order": 2.0, "parentTag": "ifrs-full_FinanceCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The capitalized interest expense on long-term debt, excluding interest on lease liabilities.", "label": "Interest Expense On Borrowings Long Term, Excluding Lease Liabilities - Capitalized", "terseLabel": "Interest on long-term debt, excluding lease liabilities - capitalized" } } }, "localname": "InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesCapitalized", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesGross": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 2.0, "parentTag": "tu_InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to long-term debt before netting out of any interest capitalized to indefinite-lived intangible assets, excluding lease liabilities.", "label": "Interest Expense On Borrowings Long Term, Excluding Lease Liabilities - Gross", "terseLabel": "Interest on long-term debt, excluding lease liabilities - gross" } } }, "localname": "InterestExpenseOnBorrowingsLongTermExcludingLeaseLiabilitiesGross", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseOnBorrowingsLongTermNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to long-term debt, net of interest capitalized to indefinite-lived intangible assets.", "label": "Interest Expense On Borrowings Long Term, Net", "terseLabel": "Interest on long-term debt" } } }, "localname": "InterestExpenseOnBorrowingsLongTermNet", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestExpenseProvisions": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 3.0, "parentTag": "ifrs-full_InterestExpenseOnBorrowings", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest expense related to provisions.", "label": "Interest Expense, Provisions", "terseLabel": "Interest accretion on provisions" } } }, "localname": "InterestExpenseProvisions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestInOtherEntitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "real estate joint ventures and investment in associate" } } }, "localname": "InterestInOtherEntitiesAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_InterestIncomeRealEstateJointVentures": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": 4.0, "parentTag": "ifrs-full_OtherRevenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Interest income from real estate joint ventures.", "label": "Interest Income Real Estate Joint Ventures", "terseLabel": "Interest income" } } }, "localname": "InterestIncomeRealEstateJointVentures", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_InterestRateRiskAssociatedWithRefinancingOfDebtMaturingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market interest rates associated with refinancing of debt maturing.", "label": "Interest rate risk associated with refinancing of debt maturing" } } }, "localname": "InterestRateRiskAssociatedWithRefinancingOfDebtMaturingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_InterimContributionExpenseRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The interim rate used to calculate amount of contributions from Canadian telecommunications service providers.", "label": "Interim Contribution Expense Rate", "terseLabel": "Interim contribution expense rate" } } }, "localname": "InterimContributionExpenseRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "percentItemType" }, "tu_IntersegmentRevenue": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails": { "order": 1.0, "parentTag": "ifrs-full_Revenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Revenue that is directly attributable or reasonably allocable to a segment.", "label": "Intersegment Revenue", "terseLabel": "Intersegment revenues" } } }, "localname": "IntersegmentRevenue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_InventoryAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Inventory" } } }, "localname": "InventoryAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoriesDetails" ], "xbrltype": "stringItemType" }, "tu_InventoryWirelessHandsetsPartsAccessories": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "A classification of inventory that includes wireless handsets, parts and accessories.", "label": "Inventory Wireless Handsets Parts Accessories", "terseLabel": "Mobile handsets, parts and accessories" } } }, "localname": "InventoryWirelessHandsetsPartsAccessories", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoriesDetails" ], "xbrltype": "monetaryItemType" }, "tu_InvestmentInJointVentureValuationProvision": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of valuation provision for joint venture investment.", "label": "Investment In Joint Venture, Valuation Provision", "negatedTerseLabel": "Valuation provision" } } }, "localname": "InvestmentInJointVentureValuationProvision", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_InvestmentInRealEstateJointVentures": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 9.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of investment in real estate joint ventures classified as other long-term liabilities.", "label": "Investment in Real Estate Joint Ventures", "terseLabel": "Investment in real estate joint ventures" } } }, "localname": "InvestmentInRealEstateJointVentures", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_IssueOfEquityInBusinessCombinationShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of shares that were issued in a business combination.", "label": "Issue Of Equity In Business Combination Shares", "terseLabel": "Issue of Common Shares in business combination (in shares)" } } }, "localname": "IssueOfEquityInBusinessCombinationShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_IssueOfEquityInBusinessCombinationValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase in equity through the issue of shares in a business combination.", "label": "Issue Of Equity in Business Combination Value", "verboseLabel": "Issue of Common Shares in business combination" } } }, "localname": "IssueOfEquityInBusinessCombinationValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureConstructionCreditFinancingCostsCharged": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 2.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The construction credit facilities financing costs charged in the joint venture.", "label": "Joint Venture Construction Credit Financing Costs Charged", "verboseLabel": "Construction credit facilities financing costs charged by us" } } }, "localname": "JointVentureConstructionCreditFinancingCostsCharged", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureCreditFacilitiesAdvances": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 3.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of credit facilities advances to joint ventures.", "label": "Joint Venture, Credit Facilities Advances", "terseLabel": "Construction credit facilities Amounts advanced" } } }, "localname": "JointVentureCreditFacilitiesAdvances", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureCreditFacilitiesRepaid": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 4.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of credit facilities repaid by (to) joint ventures.", "label": "Joint Venture, Credit Facilities Repaid", "negatedLabel": "Construction credit facilities amounts repaid" } } }, "localname": "JointVentureCreditFacilitiesRepaid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureFundsAdvancedOrContributedExcludingConstructionCreditFacilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 9.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of funds advanced or contributed to joint venture excluding construction credit facilities.", "label": "Joint Venture Funds Advanced Or Contributed Excluding Construction Credit facilities", "terseLabel": "Funds we advanced or contributed, excluding construction credit facilities" } } }, "localname": "JointVentureFundsAdvancedOrContributedExcludingConstructionCreditFacilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureFundsAdvancedRepaid": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 5.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Joint Venture, Funds Advanced Repaid", "label": "Joint Venture, Funds Advanced Repaid", "negatedLabel": "Repayment of funds advanced" } } }, "localname": "JointVentureFundsAdvancedRepaid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureFundsContributed": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 6.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of funds contributed to joint ventures.", "label": "Joint Venture, Funds Contributed", "terseLabel": "Funds we contributed" } } }, "localname": "JointVentureFundsContributed", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureFundsRepaidAndEarningsDistributed": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 7.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of funds repaid and earnings distributed by joint ventures.", "label": "Joint Venture, Funds Repaid And Earnings Distributed", "negatedLabel": "Funds repaid to us and earnings distributed" } } }, "localname": "JointVentureFundsRepaidAndEarningsDistributed", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureIncreaseDecrease": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The net increase (decrease) of investment in real estate joint venture during period recorded on the statements of financial position of the real estate joint venture.", "label": "Joint Venture, Increase (Decrease)", "totalLabel": "Net increase (decrease)" } } }, "localname": "JointVentureIncreaseDecrease", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVenturePartnerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the joint venture partner of the entity.", "label": "Joint venture partner" } } }, "localname": "JointVenturePartnerMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "domainItemType" }, "tu_JointVentureReceiptsFromFinanceCost": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 8.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of receipts from a joint venture for finance costs.", "label": "Joint Venture, Receipts From Finance Cost", "negatedLabel": "Financing costs paid to us" } } }, "localname": "JointVentureReceiptsFromFinanceCost", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureRecognitionOfDeferredGainOnRealEstateContributed": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails": { "order": 10.0, "parentTag": "tu_JointVentureIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognized from the gain initially deferred on our real estate initially contributed in joint venture.", "label": "Joint Venture, Recognition Of Deferred Gain On Real Estate Contributed", "terseLabel": "Recognition of gain initially deferred on our real estate initially contributed" } } }, "localname": "JointVentureRecognitionOfDeferredGainOnRealEstateContributed", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_JointVentureUndrawnCreditFacilitiesProvidedByEntity": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of undrawn credit facilities provided by the entity to a joint venture investment", "label": "Joint Venture, Undrawn Credit Facilities Provided By Entity", "terseLabel": "Undrawn" } } }, "localname": "JointVentureUndrawnCreditFacilitiesProvidedByEntity", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagementPersonnelCompensationShareBasedPaymentDerivativeEffect": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of derivative effect on compensation to key management personnel in the form of share-based payments, the derivative being used for the management of share-based compensation costs.", "label": "Key management personnel compensation share-based payment, derivative effect", "terseLabel": "Effect on share-based compensation expense of derivatives used to manage costs" } } }, "localname": "KeyManagementPersonnelCompensationShareBasedPaymentDerivativeEffect", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagementPersonnelCompensationShareBasedPaymentIncludedInRestructuringCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of key management personnel share-based compensation included in restructuring costs.", "label": "Key management personnel compensation, share-based payment included in restructuring costs", "terseLabel": "Amount of share-based compensation expense (recovery) included in restructuring costs" } } }, "localname": "KeyManagementPersonnelCompensationShareBasedPaymentIncludedInRestructuringCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagementPersonnelRestrictedStockUnitsRSUMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member stands for share instrument, awarded to key managerial personnel, which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.", "label": "Key management personnel restricted stock units RSU [member]", "terseLabel": "Restricted share units" } } }, "localname": "KeyManagementPersonnelRestrictedStockUnitsRSUMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_KeyManagerialPersonnelDeferredShareUnitsPaidOut": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount paid out for deferred share units awarded to Key managerial personnel. Deferred share units are paid out when a director ceases to be a director, for any reason, at a time elected by the director.", "label": "Key managerial personnel, deferred share units paid out", "terseLabel": "Deferred share units paid out" } } }, "localname": "KeyManagerialPersonnelDeferredShareUnitsPaidOut", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagerialPersonnelLiabilitiesAccounted": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of liability accounted for restricted share unit and share options awards .", "label": "Key Managerial Personnel Liabilities Accounted", "terseLabel": "Amount of liability accounted for restricted share unit and share options awards" } } }, "localname": "KeyManagerialPersonnelLiabilitiesAccounted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagerialPersonnelLiabilitiesAccruedForDeferredShareUnits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 1.0, "parentTag": "tu_KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnits", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of liabilities accrued for deferred share units awarded to Key managerial personnel.", "label": "Key managerial personnel, liabilities accrued for deferred share units", "terseLabel": "Deferred share units" } } }, "localname": "KeyManagerialPersonnelLiabilitiesAccruedForDeferredShareUnits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": 2.0, "parentTag": "tu_KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnits", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of liabilities accrued for restricted share units awarded to Key managerial personnel.", "label": "Key managerial personnel, liabilities accrued for restricted stock units", "terseLabel": "Restricted share units" } } }, "localname": "KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnits": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of liabilities accrued for restricted share units and deferred share units awarded to Key managerial personnel.", "label": "Key managerial personnel, liabilities accrued for restricted stock units and deferred share units", "totalLabel": "Total" } } }, "localname": "KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnitsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Key managerial personnel, liabilities accrued for restricted stock units and deferred share units [abstract]", "terseLabel": "Liability amounts accrued for share-based compensation awards to key management personnel" } } }, "localname": "KeyManagerialPersonnelLiabilitiesAccruedForRestrictedStockUnitsAndDeferredShareUnitsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "tu_KeyManagerialPersonnelSeverancePaymentsAnnualCashBonusPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The amount of annual cash bonus as a percentage of base salary upon termination without cause.", "label": "Key managerial personnel, severance payments, annual cash bonus, percentage", "terseLabel": "Annual cash bonus as a percentage of base salary upon termination without cause" } } }, "localname": "KeyManagerialPersonnelSeverancePaymentsAnnualCashBonusPercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "percentItemType" }, "tu_KeyManagerialPersonnelSeverancePaymentsNumberOfMonthsBaseSalaryConsidered": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "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.", "label": "Key managerial personnel, severance payments, number of months base salary considered", "terseLabel": "Number of months base salary considered for severance payments" } } }, "localname": "KeyManagerialPersonnelSeverancePaymentsNumberOfMonthsBaseSalaryConsidered", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "durationItemType" }, "tu_KrollComputerSystemsIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Kroll Computer Systems Inc.", "label": "Kroll Computer Systems Inc." } } }, "localname": "KrollComputerSystemsIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_LaterThanTwelveMonthPeriodEndingTwoYearsHenceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a time band of later than a twelve month period ending two years hence.", "label": "Later than twelve month period ending two years hence [member]", "terseLabel": "Thereafter" } } }, "localname": "LaterThanTwelveMonthPeriodEndingTwoYearsHenceMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "domainItemType" }, "tu_LaterThanTwoYearsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Later Than Two Years" } } }, "localname": "LaterThanTwoYearsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_LeaseAndSubleasePaymentsRecognisedAsExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of payments on leases and subleases recognised as an expense by the lessee.", "label": "Lease And Sublease Payments Recognised As Expense", "terseLabel": "Lease payments" } } }, "localname": "LeaseAndSubleasePaymentsRecognisedAsExpense", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "tu_LeasePaymentsWithIndexBasedPriceAdjustments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The portion of lease payments with consumer price index-based price adjustments, resulting in future periodic remeasurements of the lease liability.", "label": "Lease Payments With Index Based Price Adjustments", "terseLabel": "Lease payments with index based price adjustments" } } }, "localname": "LeasePaymentsWithIndexBasedPriceAdjustments", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "pureItemType" }, "tu_LeasedRealEstateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member pertains to leased real estate.", "label": "Leased real estate" } } }, "localname": "LeasedRealEstateMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_LeasedRealEstateOccupancyCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Occupancy related expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense.", "label": "Leased Real Estate Occupancy Costs", "terseLabel": "Occupancy costs" } } }, "localname": "LeasedRealEstateOccupancyCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "tu_LeasesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for leases.", "label": "Leases" } } }, "localname": "LeasesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_LenderSyndicateCreditFacilityShareOfLendingPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The proportionate share of the syndicate credit facility lending that is related to TELUS Corporation, as a percent.", "label": "Lender Syndicate Credit Facility Share Of Lending Percentage", "terseLabel": "TELUS Corporation, share of lending, as a percent" } } }, "localname": "LenderSyndicateCreditFacilityShareOfLendingPercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "tu_LendersInSyndicateOtherThanTelusCorporationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Other lenders" } } }, "localname": "LendersInSyndicateOtherThanTelusCorporationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_LiabilityForAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBidAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information related to the liability for the automatic share purchase plan commitment pursuant to normal course issuer bids.", "label": "Liability For Automatic Share Purchase Plan Commitment Normal Course Issuer Bid [Abstract]", "terseLabel": "Liability for automatic share purchase plan commitment pursuant to normal course issuer bids for Common Shares" } } }, "localname": "LiabilityForAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBidAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "stringItemType" }, "tu_LiabilityRecognitionAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBid": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The recognition of the closing liability related to the automatic share purchase plan commitment pursuant to normal course issuer bids.", "label": "Liability Recognition Automatic Share Purchase Plan Commitment Normal Course Issuer Bid", "negatedLabel": "Recognition of closing liability" } } }, "localname": "LiabilityRecognitionAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_LiabilityReleaseAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The reversal of opening liability related to the automatic share purchase plan commitment pursuant to normal course issuer bids.", "label": "Liability Release Automatic Share Purchase Plan Commitment Normal Course Issuer Bid", "terseLabel": "Reversal of opening liability for automatic share purchase plan commitment pursuant to normal course issuer bids for Common Shares" } } }, "localname": "LiabilityReleaseAutomaticSharePurchasePlanCommitmentNormalCourseIssuerBid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "monetaryItemType" }, "tu_LionbridgeAiMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the Lionbridge AI division of Lionbridge Technologies, Inc.", "label": "Lionbridge AI" } } }, "localname": "LionbridgeAiMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_LongTermBorrowingsCurrentAndNonCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 6.0, "parentTag": "ifrs-full_NetDebt", "weight": 1.0 }, "http://www.telus.com/role/DisclosureLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails": { "order": 1.0, "parentTag": "tu_IfrsLineOfCreditFacilityMaximumBorrowingCapacity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total long-term borrowings, including the current and non-current portion.", "label": "Long term Borrowings Current And Non current", "terseLabel": "Long-term debt", "totalLabel": "Long-term debt", "verboseLabel": "Advances" } } }, "localname": "LongTermBorrowingsCurrentAndNonCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total long-term borrowings, including the current and non-current portion but excluding the lease liabilities.", "label": "Long term Borrowings Current And Non current Excluding Lease Liabilities", "terseLabel": "Long-term debt, excluding leases", "verboseLabel": "Long-term debt excluding Lease liabilities" } } }, "localname": "LongTermBorrowingsCurrentAndNonCurrentExcludingLeaseLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "tu_LongTermBorrowingsExcludingLeasesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for long-term borrowings excluding leases.", "label": "Long-term debt excluding leases" } } }, "localname": "LongTermBorrowingsExcludingLeasesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_LongTermBorrowingsRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognised as of the acquisition date for current maturities of long term borrowings assumed in a business combination. [Refer: Borrowings; Business combinations [member]]", "label": "Long Term Borrowings Recognised As Of Acquisition Date", "terseLabel": "Current maturities of long-term debt" } } }, "localname": "LongTermBorrowingsRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_LongTermDebtNetOfDerivativeImpactMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for long-term debt, net of the effects of related derivative instruments.", "label": "Composite long-term debt" } } }, "localname": "LongTermDebtNetOfDerivativeImpactMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "tu_LongTermDebtOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for other long term debt.", "label": "Long term debt other [member]", "terseLabel": "Other" } } }, "localname": "LongTermDebtOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_LongTermDebtPrepaymentPremium": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetails": { "order": 5.0, "parentTag": "ifrs-full_InterestExpenseOnBorrowings", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of long-term debt prepayment premium recorded.", "label": "Long-term debt Prepayment Premium", "terseLabel": "Long-term debt prepayment premium", "verboseLabel": "Long-term debt prepayment premium" } } }, "localname": "LongTermDebtPrepaymentPremium", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancingCostsDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "tu_LongTermDebtPrepaymentPremiumAfterIncomeTaxes": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 7.0, "parentTag": "tu_AdjustedNetEarningsAttributableToCommonShares", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of long-term debt prepayment premium after income taxes.", "label": "Long-term Debt Prepayment Premium, After Income Taxes", "negatedLabel": "Long-term debt prepayment premium, after income taxes" } } }, "localname": "LongTermDebtPrepaymentPremiumAfterIncomeTaxes", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_LongtermBorrowingsIncludingEffectOfDerivativesToManageForeignCurrencyRisksMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for long term debt arising from financing activities including derivatives used to manage foreign currency risks.", "label": "Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt" } } }, "localname": "LongtermBorrowingsIncludingEffectOfDerivativesToManageForeignCurrencyRisksMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_ManitobaTelecomServicesIncPostpaidWirelessMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Manitoba Telecom Services Inc. postpaid wireless.", "label": "Manitoba Telecom Services Inc. postpaid wireless" } } }, "localname": "ManitobaTelecomServicesIncPostpaidWirelessMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_MaximumInvestmentInCommonShares": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of maximum annual optional cash payments and purchase of TELUS common shares at market price.", "label": "Maximum Annual Investment in Common Shares", "terseLabel": "Maximum annual optional cash payments and purchase of TELUS common shares at market price" } } }, "localname": "MaximumInvestmentInCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "tu_MaximumLetterOfCreditRequiredOfParticipantToParticipateInWirelessSpectrumAuction": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The maximum amount of letters of credit that any individual participant could be required to deliver in order to participate in the spectrum wireless auction.", "label": "Maximum Letter Of Credit Required Of Participant To Participate In Wireless Spectrum Auction", "terseLabel": "Maximum letter of credit required to participate in wireless spectrum auction" } } }, "localname": "MaximumLetterOfCreditRequiredOfParticipantToParticipateInWirelessSpectrumAuction", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "monetaryItemType" }, "tu_MaximumPercentageOfAnnualIncreaseOfPensionBenefits": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum annual increase in pension benefits as a percent.", "label": "Maximum Percentage Of Annual Increase Of Pension Benefits", "terseLabel": "Annual maximum increase in pension benefits (as a per cent)" } } }, "localname": "MaximumPercentageOfAnnualIncreaseOfPensionBenefits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_MaximumPercentageOfDiscountOnCommonShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum discount from market price on common shares offered under the Plan, expressed as a percentage.", "label": "Maximum Percentage of Discount on Common Share", "terseLabel": "Maximum discount on common shares (as a percent)" } } }, "localname": "MaximumPercentageOfDiscountOnCommonShare", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "percentItemType" }, "tu_MaximumPercentageOfEmployeeContributionMatchedInEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum percentage of employees' contribution from their pay to the employee share purchase plan matched by the entity.", "label": "Maximum Percentage Of Employee Contribution Matched In Employee Share Purchase Plan", "terseLabel": "Maximum percentage of employee contribution from payroll matched" } } }, "localname": "MaximumPercentageOfEmployeeContributionMatchedInEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_MedisysHealthGroupIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Medisys Health Group Inc.", "label": "Medisys Health Group Inc." } } }, "localname": "MedisysHealthGroupIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_MinimumInvestmentInCommonSharesPerTransaction": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of minimum optional cash payments and purchase of TELUS common shares at market price per transaction.", "label": "Minimum Investment in Common Shares per transaction", "terseLabel": "Minimum optional cash payments and purchase of TELUS common shares at market price per transaction" } } }, "localname": "MinimumInvestmentInCommonSharesPerTransaction", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "tu_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLeaseIas17": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of future minimum lease payments payable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.", "label": "Minimum Lease Payments Payable Under Noncancellable Operating Lease IAS17", "verboseLabel": "Future minimum lease payments under operating leases" } } }, "localname": "MinimumLeasePaymentsPayableUnderNoncancellableOperatingLeaseIas17", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "monetaryItemType" }, "tu_MinimumPercentageOfCommonSharesIssuedAndOutstandingOwnedByCanadians": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Minimum percentage of common shares issued and outstanding owned by Canadians.", "label": "Minimum Percentage Of Common Shares Issued And Outstanding Owned By Canadians", "terseLabel": "Minimum percentage of common shares issued and outstanding owned by Canadians" } } }, "localname": "MinimumPercentageOfCommonSharesIssuedAndOutstandingOwnedByCanadians", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "percentItemType" }, "tu_MiovisionTechnologiesIncorporatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for an associate, Miovision Technologies Incorporated.", "label": "Miovision Technologies Incorporated" } } }, "localname": "MiovisionTechnologiesIncorporatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_MobileMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Mobile segment.", "label": "Mobile" } } }, "localname": "MobileMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_MobileServiceCentreCanadaLtdMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Mobile Service Centre Canada Ltd. (d.b.a. Mobile Klinik).", "label": "Mobile Klinik" } } }, "localname": "MobileServiceCentreCanadaLtdMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_MobileSiteLeasesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for mobile site leases.", "label": "Mobile site leases" } } }, "localname": "MobileSiteLeasesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_Mortgage3.7PercentDueSeptember2024Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the 3.7% mortgage due September, 2024.", "label": "3.7% mortgage" } } }, "localname": "Mortgage3.7PercentDueSeptember2024Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_MortgageOnProperty": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of mortgage on a property.", "label": "Mortgage On Property", "terseLabel": "Mortgage on TELUS Garden residential condominium tower" } } }, "localname": "MortgageOnProperty", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "monetaryItemType" }, "tu_NetCapitalLossCarryforwardMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deductions derived from capital losses that cannot be utilized on the tax return during a period that have been carried forward to reduce taxable income or taxes payable in a future year.", "label": "Capital loss carry-forward" } } }, "localname": "NetCapitalLossCarryforwardMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails" ], "xbrltype": "domainItemType" }, "tu_NetChangeInNonCashOperatingWorkingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This concept does not have any references.", "label": "Net Change in Non-cash Operating Working Capital [Abstract]", "terseLabel": "Net change in non-cash operating working capital" } } }, "localname": "NetChangeInNonCashOperatingWorkingCapitalAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "stringItemType" }, "tu_NetDebtToEbitdaExcludingRestructuringAndOtherCostsRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ratio calculated by dividing net debt by EBITDA excluding restructuring and other costs.", "label": "Net Debt To EBITDA Excluding Restructuring And Other Costs Ratio", "verboseLabel": "Net debt to EBITDA - excluding restructuring and other costs" } } }, "localname": "NetDebtToEbitdaExcludingRestructuringAndOtherCostsRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_NetDebtToEbitdaExcludingRestructuringAndOtherCostsRatioTarget": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Targeted net debt to EBITDA ratio for the period.", "label": "Net Debt To EBITDA Excluding Restructuring And Other Costs Ratio Target", "terseLabel": "Target Net debt to EBITDA - excluding restructuring and other costs" } } }, "localname": "NetDebtToEbitdaExcludingRestructuringAndOtherCostsRatioTarget", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_NetDebtToOperatingCashFlowMaximumRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum allowed under the credit facilities covenant of the ratio of net debt to operating cash flow.", "label": "Net Debt To Operating Cash Flow Ratio Maximum", "terseLabel": "Net debt to operating cash flow ratio maximum" } } }, "localname": "NetDebtToOperatingCashFlowMaximumRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_NetDerivativeFinancialLiabilitiesAssetsNet": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 3.0, "parentTag": "ifrs-full_NetDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of net (assets) liabilities classified as derivative instruments.", "label": "Net Derivative Financial Liabilities Assets Net", "terseLabel": "Derivative (assets) liabilities, net" } } }, "localname": "NetDerivativeFinancialLiabilitiesAssetsNet", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NetInterestCost": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancingCostsDetailsCalc2": { "order": 1.0, "parentTag": "ifrs-full_FinanceCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Net interest cost is defined as financing costs, excluding employee defined benefit plans net interest, recoveries on long-term debt prepayment premium and repayment of debt, calculated on a 12-month trailing basis (expenses recorded for long-term debt prepayment premium, if any, are included in net interest cost).", "label": "Net Interest Cost", "terseLabel": "Net interest cost (Note 9)", "verboseLabel": "Net interest cost" } } }, "localname": "NetInterestCost", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_NetPensionAndSharebasedCompensationAmountsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Net pension and share-based compensation amounts.", "label": "Net pension and share-based compensation amounts" } } }, "localname": "NetPensionAndSharebasedCompensationAmountsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_NetProceedsFromIssuingSharesAfterTax": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of proceeds from issuing shares after tax.", "label": "Net Proceeds From Issuing Shares After Tax", "terseLabel": "Net" } } }, "localname": "NetProceedsFromIssuingSharesAfterTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "monetaryItemType" }, "tu_Network4gltePatentInfringementClaimMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to 4G LTE Network patent infringement claim.", "label": "4G LTE Network patent infringement claim" } } }, "localname": "Network4gltePatentInfringementClaimMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_NetworkDataVoiceAndOtherMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for revenue from network, data, voice and other.", "label": "Network, data, voice and other" } } }, "localname": "NetworkDataVoiceAndOtherMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_NonControllingInterestPercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of non-controlling interest.", "label": "Non Controlling Interest Per Cent", "terseLabel": "Non-controlling interest per cent" } } }, "localname": "NonControllingInterestPercent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails" ], "xbrltype": "percentItemType" }, "tu_NonCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Non-current.", "label": "Non Current [Abstract]", "terseLabel": "Non-current" } } }, "localname": "NonCurrentAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_NonCurrentOtherLiability": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 8.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of other items under other non-current liabilities.", "label": "Non-current other liability", "terseLabel": "Other" } } }, "localname": "NonCurrentOtherLiability", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonCurrentProvisionsRecognizedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for non current provisions assumed in a business combination.", "label": "Non Current Provisions Recognized As Of Acquisition Date", "terseLabel": "Provisions" } } }, "localname": "NonCurrentProvisionsRecognizedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonCurrentRestrictedStockUnitsAndDeferredShareUnitsLiability": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 5.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of restricted share units and deferred share units liability under other non-current liabilities.", "label": "Non-current restricted stock units and deferred share units liability", "terseLabel": "Restricted share unit and deferred share unit liabilities" } } }, "localname": "NonCurrentRestrictedStockUnitsAndDeferredShareUnitsLiability", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonCurrentRestrictedStockUnitsLiability": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 6.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The non-current portion of restricted share unit liabilities.", "label": "Non Current Restricted Stock Units Liability", "terseLabel": "Restricted share unit liabilities" } } }, "localname": "NonCurrentRestrictedStockUnitsLiability", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonFixedRate2.64PercentCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 2.64% non-fixed rate credit facility.", "label": "2.64% non-fixed rate credit facility" } } }, "localname": "NonFixedRate2.64PercentCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_NonInterestBearingFinancialLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for non-interest bearing financial liabilities.", "label": "Non-interest bearing financial liabilities" } } }, "localname": "NonInterestBearingFinancialLiabilitiesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_NonRecurringGainOnInvestmentsAccountedForUsingEquityMethod": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of non recurring gain on application of equity method accounting.", "label": "Non recurring gain on Investments accounted for using equity method", "terseLabel": "Non-recurring gain" } } }, "localname": "NonRecurringGainOnInvestmentsAccountedForUsingEquityMethod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonRegisteredNonContributorySupplementaryDefinedBenefitPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for non-registered, non-contributory supplementary defined benefit pension plans, which have the effect of maintaining the earned pension benefit once the allowable maximums in the registered plans are attained.", "label": "Non-registered, non-contributory supplementary defined benefit pension plans" } } }, "localname": "NonRegisteredNonContributorySupplementaryDefinedBenefitPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_NoncontrollingShareholdersMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for non-controlling shareholders.", "label": "Non-controlling shareholders" } } }, "localname": "NoncontrollingShareholdersMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "domainItemType" }, "tu_NoncurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails": { "order": 2.0, "parentTag": "ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "weight": 1.0 }, "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 6.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of non-current assets recognised from the costs to obtain or fulfill contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.", "label": "Noncurrent Assets recognised from costs to obtain or fulfil contracts with customers", "terseLabel": "Non-current", "verboseLabel": "Costs incurred to obtain or fulfill contracts with customers" } } }, "localname": "NoncurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsCostsIncurredToObtainAndFulfillContractsWithCustomersDetails", "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to derivative and non-derivative financial liabilities.", "label": "Nonderivative And Derivative Financial Liabilities Undiscounted Cash Flows", "totalLabel": "Total" } } }, "localname": "NonderivativeAndDerivativeFinancialLiabilitiesUndiscountedCashFlows", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails", "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NormalCourseIssuerBidPeriodAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Normal course issuer bid period axis.", "label": "Normal Course Issuer Bid Period [Axis]" } } }, "localname": "NormalCourseIssuerBidPeriodAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "stringItemType" }, "tu_NormalCourseIssuerBidPeriodMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Normal course issuer bid period member", "label": "Normal course issuer bid period [member]" } } }, "localname": "NormalCourseIssuerBidPeriodMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_NotLaterThanSixMonthsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a time band of not later than six months.", "label": "Next six months" } } }, "localname": "NotLaterThanSixMonthsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "domainItemType" }, "tu_NotionalAmountCurrentDerivativeAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The nominal or face amount of a derivative instrument classified as a current asset, used to calculate payments made on that instrument.", "label": "Notional Amount, Current Derivative Assets", "terseLabel": "Current Assets, Notional amount" } } }, "localname": "NotionalAmountCurrentDerivativeAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NotionalAmountCurrentDerivativeLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The nominal or face amount of a derivative instrument classified as a current liability, used to calculate payments made on that instrument.", "label": "Notional Amount Current Derivative Liabilities", "terseLabel": "Current Liabilities, Notional amount" } } }, "localname": "NotionalAmountCurrentDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NotionalAmountNoncurrentDerivativeAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The nominal or face amount of a derivative instrument classified as a noncurrent asset, used to calculate payments made on that instrument.", "label": "Notional Amount, Noncurrent Derivative Assets", "terseLabel": "Other Long-Term Assets, Notional amount" } } }, "localname": "NotionalAmountNoncurrentDerivativeAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NotionalAmountNoncurrentDerivativeLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The nominal or face amount of a derivative instrument classified as a noncurrent liability, used to calculate payments made on that instrument.", "label": "Notional Amount Noncurrent Derivative Liabilities", "terseLabel": "Other Long-Term Liabilities, Notional amount" } } }, "localname": "NotionalAmountNoncurrentDerivativeLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_NotionalValueOfInstrumentsOtherEquityInstrumentsGranted": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The notional value of other equity instruments (i.e. other than share options) granted in a share-based payment arrangement.", "label": "Notional value of instruments other than equity instruments granted", "terseLabel": "Notional value Awarded in period" } } }, "localname": "NotionalValueOfInstrumentsOtherEquityInstrumentsGranted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_NotionalValueOfShareOptionInstrumentsGranted": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The notional value of share options granted in a share-based payment arrangement.", "label": "Notional Value Of Share Option Instruments Granted", "terseLabel": "Notional value Awarded in period" } } }, "localname": "NotionalValueOfShareOptionInstrumentsGranted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_NumberDefinedContributionPensionPlans": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of defined contribution pension plans offered by the entity to eligible employees.", "label": "Number Defined Contribution Pension Plans", "terseLabel": "Number of defined contribution plans" } } }, "localname": "NumberDefinedContributionPensionPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfClassActionLawsuitsCertified": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of class action lawsuits that were certified.", "label": "Number Of Class Action Lawsuits Certified", "terseLabel": "Number of class action lawsuits that were certified" } } }, "localname": "NumberOfClassActionLawsuitsCertified", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfDefinedBenefitPensionPlans": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of defined benefit pension plans.", "label": "Number Of Defined Benefit Pension Plans", "terseLabel": "Number of defined benefit pension plans" } } }, "localname": "NumberOfDefinedBenefitPensionPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfFinancialInstitutionsLenders": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of financial institutions that are lenders.", "label": "Number Of Financial Institutions, Lenders", "terseLabel": "Number of Canadian financial institution lenders" } } }, "localname": "NumberOfFinancialInstitutionsLenders", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfFinancialRatioTests": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the number of financial ratio tests defined in the agreement.", "label": "Number of financial ratio tests", "terseLabel": "Number of financial ratio tests" } } }, "localname": "NumberOfFinancialRatioTests", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "integerItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsIssuedInLieuOfDividends": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments ( i.e., other than share options) issued in lieu of dividends in a share-based payment arrangement.", "label": "Number Of Instruments Other Equity Instruments Issued In Lieu Of Dividends", "terseLabel": "In lieu of dividends" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsIssuedInLieuOfDividends", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsIssuedInLieuOfDividendsForVestedInstruments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) issued in lieu of dividends for vested instruments in a share-based payment arrangement.", "label": "Number Of Instruments Other Equity Instruments Issued In Lieu Of Dividends For Vested Instruments", "terseLabel": "In lieu of dividends" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsIssuedInLieuOfDividendsForVestedInstruments", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsIssuedInVariablePayoutRelated": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments ( i.e., other than share options) issued in variable payout related in a share-based payment arrangement.", "label": "Number Of Instruments Other Equity Instruments Issued In Variable Payout Related", "terseLabel": "Variable payout related" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsIssuedInVariablePayoutRelated", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsIssuedInVariablePayoutRelatedForVestedInstruments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) issued in variable payout related for vested instruments in a share-based payment arrangement.", "label": "Number Of Instruments Other Equity Instruments Issued In Variable Payout Related For Vested Instruments", "terseLabel": "Variable payout related" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsIssuedInVariablePayoutRelatedForVestedInstruments", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsSettledInCash": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments ( i.e., other than share options) settled in cash in a share-based payment arrangement.", "label": "Number Of Instruments Other Equity Instruments Settled In Cash", "negatedLabel": "Settled in cash" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsSettledInCash", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfInstrumentsOtherEquityInstrumentsSettledInEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments ( i.e., other than share options) settled in equity in a share-based payment arrangement.", "label": "Number of Instruments other Equity Instruments Settled in Equity", "negatedLabel": "Settled in equity" } } }, "localname": "NumberOfInstrumentsOtherEquityInstrumentsSettledInEquity", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfLargestLeases": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of largest leases out of the total population of operating leases.", "label": "Number of largest leases", "terseLabel": "The number of the largest leases in total leases" } } }, "localname": "NumberOfLargestLeases", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "pureItemType" }, "tu_NumberOfLicensesPurchased": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of licenses purchased.", "label": "Number Of Licenses Purchased", "terseLabel": "Number of spectrum licenses purchased" } } }, "localname": "NumberOfLicensesPurchased", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "integerItemType" }, "tu_NumberOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) granted in a share-based payment arrangement.", "label": "Number Of Other Equity Instruments Granted In Share based Payment Arrangement", "terseLabel": "Granted - Initial award" } } }, "localname": "NumberOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfOtherEquityInstrumentsNonvestedInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) non-vested in a share-based payment arrangement.", "label": "Number Of Other Equity Instruments Nonvested In Sharebased Payment Arrangement", "negatedLabel": "Non-vested" } } }, "localname": "NumberOfOtherEquityInstrumentsNonvestedInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfOtherEquityInstrumentsNonvestedInSharebasedPaymentArrangementVestedDuringPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) non-vested in a share-based payment arrangement, that vested during the period.", "label": "Number Of Other Equity Instruments Nonvested In Sharebased Payment Arrangement Vested During The Period", "negatedLabel": "Vested during the period" } } }, "localname": "NumberOfOtherEquityInstrumentsNonvestedInSharebasedPaymentArrangementVestedDuringPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfOtherEquityInstrumentsSettledInEquityInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments ( i.e., other than share options) settled in equity in a share-based payment arrangement.", "label": "Number Of Other Equity Instruments Settled In Equity In Sharebased Payment Arrangement", "negatedLabel": "Settled in equity" } } }, "localname": "NumberOfOtherEquityInstrumentsSettledInEquityInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of other equity instruments (i.e. other than share options) vested in a share-based payment arrangement.", "label": "Number Of Other Equity Instruments Vested In Sharebased Payment Arrangement", "terseLabel": "Vested" } } }, "localname": "NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfProvinces": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of provinces involved in the related matter.", "label": "Number Of Provinces", "terseLabel": "Number of provinces" } } }, "localname": "NumberOfProvinces", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfRetailLocationRightsAcquired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of retail location rights acquired by the entity.", "label": "Number Of Retail Location Rights Acquired", "terseLabel": "Number of retail location rights acquired" } } }, "localname": "NumberOfRetailLocationRightsAcquired", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "integerItemType" }, "tu_NumberOfSharesOutstandingAdjusted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]", "label": "Number of Shares Outstanding, Adjusted", "terseLabel": "Balance adjusted (in shares)" } } }, "localname": "NumberOfSharesOutstandingAdjusted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_NumberOfVestedOtherEquityInstrumentsForfeitedAndCancelledInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of vested other equity instruments ( i.e., other than share options) forfeited and cancelled in a share-based payment arrangement.", "label": "Number Of Vested Other Equity Instruments Forfeited And Cancelled In Share-based Payment Arrangement", "negatedLabel": "Forfeited" } } }, "localname": "NumberOfVestedOtherEquityInstrumentsForfeitedAndCancelledInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "decimalItemType" }, "tu_NumberOfVotePerCommonShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of votes per common share.", "label": "Number Of Vote Per Common Share", "terseLabel": "Number of votes per common share" } } }, "localname": "NumberOfVotePerCommonShare", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "integerItemType" }, "tu_NumbersOfPartiesInTransaction": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of parties involved in the transaction, including the entity.", "label": "Numbers Of Parties In Transaction", "terseLabel": "Number of other partners in the transaction" } } }, "localname": "NumbersOfPartiesInTransaction", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "integerItemType" }, "tu_October12014September142015Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for normal course issue bid period October 1, 2014 - September 14, 2015.", "label": "October 1, 2014 - September 14 , 2015" } } }, "localname": "October12014September142015Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_OfficePremisesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Office premises.", "label": "Office premises" } } }, "localname": "OfficePremisesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_OnOrAfterRedemptionCessationDateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member pertains to the period on or after the redemption present value spread cessation date.", "label": "On or after the redemption cessation date" } } }, "localname": "OnOrAfterRedemptionCessationDateMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_OperatingCashOutflowsAssociatedWithExpenseFromSharebasedPayment": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of cash outflows associated with expense from share-based payment transactions.", "label": "Operating cash outflows associated with expense from share-based payment", "negatedLabel": "Associated operating cash outflows" } } }, "localname": "OperatingCashOutflowsAssociatedWithExpenseFromSharebasedPayment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_OperatingRevenueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition.", "label": "Operating Revenue [Abstract]", "terseLabel": "OPERATING REVENUES" } } }, "localname": "OperatingRevenueAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfIncomeAndOtherComprehensiveIncome" ], "xbrltype": "stringItemType" }, "tu_OperatingRevenuesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information related to operating revenues.", "label": "Operating Revenues [Abstract]", "terseLabel": "Operating revenues" } } }, "localname": "OperatingRevenuesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "stringItemType" }, "tu_OptiktvPatentInfringementClaimMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to Optik TV patent infringement claim.", "label": "Optik TV patent infringement claim" } } }, "localname": "OptiktvPatentInfringementClaimMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherBenefitPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for benefit plans that the entity does not separately disclose in the same statement or note.", "label": "Other defined benefit plans" } } }, "localname": "OtherBenefitPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPlanInvestmentStrategiesAndPoliciesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsBeforeTax": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": 2.0, "parentTag": "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "weight": 1.0 }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": 2.0, "parentTag": "ifrs-full_OtherComprehensiveIncomeBeforeTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of pre-tax other comprehensive income excluding employee defined benefit plan re-measurements.", "label": "Other Comprehensive Income Excluding Employee Defined Benefit Plan Remeasurements Before Tax", "totalLabel": "Accumulated other comprehensive income excluding employee defined benefit plan re-measurements, before tax" } } }, "localname": "OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsBeforeTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of other comprehensive income excluding employee defined benefit plan re-measurements, net of tax.", "label": "Other Comprehensive Income Excluding Employee Defined Benefit Plan Remeasurements Net Of Tax", "totalLabel": "Accumulated other comprehensive income excluding employee defined benefit plan re-measurements, net" } } }, "localname": "OtherComprehensiveIncomeExcludingEmployeeDefinedBenefitPlanRemeasurementsNetOfTax", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing other costs.", "label": "Other costs [member]", "terseLabel": "Other" } } }, "localname": "OtherCostsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "domainItemType" }, "tu_OtherCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Other credit facilities.", "label": "Other credit facility [member]", "terseLabel": "Other" } } }, "localname": "OtherCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherCurrenciesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Other currencies" } } }, "localname": "OtherCurrenciesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherCurrentAssetsRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognised as of the acquisition date for other current assets acquired in a business combination.", "label": "Other Current Assets Recognised As Of Acquisition Date", "terseLabel": "Other" } } }, "localname": "OtherCurrentAssetsRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherDerivativesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for other types of derivative contracts that the entity does not separately identify.", "label": "Other Derivative" } } }, "localname": "OtherDerivativesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "domainItemType" }, "tu_OtherIncomeChangeInBusinessCombinationRelatedAccruedReceivable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Changes in the business combination-related accrued receivable and provisions that are recognized in other operating income.", "label": "Other Income Change In Business Combination Related Accrued Receivable", "terseLabel": "Changes in business combination-related accrued receivables and provisions" } } }, "localname": "OtherIncomeChangeInBusinessCombinationRelatedAccruedReceivable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherIncomeChangeInBusinessCombinationRelatedProvisions": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": 5.0, "parentTag": "ifrs-full_OtherRevenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Changes in the business combination-related provisions that are recognized in other operating income.", "label": "Other Income Change In Business Combination Related Provisions", "terseLabel": "Changes in business combination-related provisions" } } }, "localname": "OtherIncomeChangeInBusinessCombinationRelatedProvisions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherIncomeFromSubleasingRightOfUseAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherRevenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of other income from subleasing right-of-use assets. Sublease is a transaction for which an underlying asset is re-leased by a lessee ('intermediate lessor') to a third party, and the lease ('head lease') between the head lessor and lessee remains in effect.", "label": "Other Income From Subleasing Right-of-use Assets", "terseLabel": "Other sublet revenue", "verboseLabel": "Other sublet revenue included in other income" } } }, "localname": "OtherIncomeFromSubleasingRightOfUseAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails", "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherLongTermAssetDerivativesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for other long-term asset derivative financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the 'underlying'); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]", "label": "Other Long-Term Asset derivatives" } } }, "localname": "OtherLongTermAssetDerivativesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherLongTermLiabilitiesDerivativesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for other long-term liability derivative financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the 'underlying'); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]", "label": "Other Long-Term Liabilities derivatives" } } }, "localname": "OtherLongTermLiabilitiesDerivativesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "domainItemType" }, "tu_OtherLongTermLiabilitiesRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Other long-Term liabilities Recognised As Of Acquisition Date", "label": "Other long-Term liabilities Recognised As Of Acquisition Date", "terseLabel": "Other long-term liabilities" } } }, "localname": "OtherLongTermLiabilitiesRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherNonCashItemsIncludedAboveAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Other Non Cash Items Included Above", "terseLabel": "Other non-cash items included above" } } }, "localname": "OtherNonCashItemsIncludedAboveAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails" ], "xbrltype": "stringItemType" }, "tu_OtherNonCurrentAssetsOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 13.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of non-current assets that the entity does not separately disclose in the note.", "label": "Other Non-current Assets, Other", "terseLabel": "Other" } } }, "localname": "OtherNonCurrentAssetsOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 4.0, "parentTag": "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount recognized as of the acquisition date for other non-current assets acquired in a business combination.", "label": "Other Non Current Assets Recognised As Of Acquisition Date", "terseLabel": "Other" } } }, "localname": "OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherNonCurrentLiabilitiesIncludedInDeferredRevenues": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_DeferredIncomeIncludingContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of other non-current liabilities included in deferred revenues.", "label": "Other Non-current Liabilities Included in Deferred Revenues", "terseLabel": "Other" } } }, "localname": "OtherNonCurrentLiabilitiesIncludedInDeferredRevenues", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherNoncurrentLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of other non-current liabilities before deferred customer activation and connection fees.", "label": "Other non-current liability before deferred customer activation and connection fees", "totalLabel": "Subtotal" } } }, "localname": "OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherNoncurrentAssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "other long-term assets" } } }, "localname": "OtherNoncurrentAssetsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_OtherOperatingIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Other Operating Income items", "label": "other income" } } }, "localname": "OtherOperatingIncomeAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_OtherOperatingIncomeInvestmentIncomeGainOnDisposalsOfAssetsAndOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherIncomeDetails": { "order": 3.0, "parentTag": "ifrs-full_OtherRevenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Investment income, gains on the disposal of assets, and other income recognized in other operating income.", "label": "Other Operating Income Investment Income Gain On Disposals Of Assets And Other", "terseLabel": "Investment income (loss), gain (loss) on disposal of assets and other" } } }, "localname": "OtherOperatingIncomeInvestmentIncomeGainOnDisposalsOfAssetsAndOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherPostEmploymentLiabilitiesDefinedBenefitPlan": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 3.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of non-current net defined benefit other post-employment liabilities.", "label": "Other Post-Employment Liabilities Defined Benefit Plan", "terseLabel": "Other post-employment benefit liabilities" } } }, "localname": "OtherPostEmploymentLiabilitiesDefinedBenefitPlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherProvisionsCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureProvisionsDetails": { "order": 1.0, "parentTag": "ifrs-full_OtherProvisions", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of current provisions other than provisions for employee benefits.", "label": "Other Provisions Current", "terseLabel": "Current" } } }, "localname": "OtherProvisionsCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OtherProvisionsNonCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureProvisionsDetails": { "order": 2.0, "parentTag": "ifrs-full_OtherProvisions", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of non-current provisions other than provisions for employee benefits.", "label": "Other Provisions Non Current", "terseLabel": "Non-current" } } }, "localname": "OtherProvisionsNonCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_OutsidePlantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of property, plant and equipment representing outside plant.", "label": "Outside plant" } } }, "localname": "OutsidePlantMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_OutstandingCreditFacilityIndebtedness": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of credit facility indebtedness.", "label": "Outstanding Credit Facility Indebtedness", "terseLabel": "Outstanding credit facility" } } }, "localname": "OutstandingCreditFacilityIndebtedness", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_PartnersInterestInRealEstateJointVenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to the partners' economic interest in real estate joint ventures with related parties.", "label": "Partners' economic interest in real estate joint ventures with related parties" } } }, "localname": "PartnersInterestInRealEstateJointVenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_PartnershipIncomeUnallocatedForIncomeTaxPurposesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Partnership income unallocated for income tax purposes.", "label": "Partnership income unallocated for income tax purposes" } } }, "localname": "PartnershipIncomeUnallocatedForIncomeTaxPurposesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_PastBillingDateStatusAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Past billing date status [Axis]" } } }, "localname": "PastBillingDateStatusAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "tu_PastBillingDateStatusDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to the status client billings past the billing date.", "label": "Past Billing Date Status [Domain]" } } }, "localname": "PastBillingDateStatusDomain", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "tu_PatentInfringementClaimNumberOfThirdPartyPatents": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of third-party patents involved in the patent infringement claim.", "label": "Patent Infringement Claim Number Of Third Party Patents", "terseLabel": "Number of third-party patents involved in patent infringement claim" } } }, "localname": "PatentInfringementClaimNumberOfThirdPartyPatents", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_PatentInfringementClaimNumberOfThirdPartyPatentsAbandoned": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of third-party patent infringement claims that were abandoned during the period.", "label": "Patent Infringement Claim Number Of Third Party Patents Abandoned", "terseLabel": "Number of third-party patent infringement claims abandoned" } } }, "localname": "PatentInfringementClaimNumberOfThirdPartyPatentsAbandoned", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "tu_PaymentsForSpectrumLicences": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for the payment of spectrum licences.", "label": "Payments For Spectrum Licences", "negatedLabel": "Cash payments for spectrum licences" } } }, "localname": "PaymentsForSpectrumLicences", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_PayoutWeightOfCustomerConnectionPerformanceConditionInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The payout weight of the customer connections performance condition in a share-based payment arrangement.", "label": "Payout Weight Of Customer Connection Performance Condition In Share-based Payment Arrangement", "terseLabel": "Total customer connection payout weight (as a per cent)" } } }, "localname": "PayoutWeightOfCustomerConnectionPerformanceConditionInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "percentItemType" }, "tu_PayoutWeightOfShareholderReturnPerformanceConditionInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The payout weight of total shareholder return on our entity's shares relative to an international peer group in a share-based payment arrangement.", "label": "Payout Weight Of Shareholder Return Performance Condition In Share-based Payment Arrangement", "terseLabel": "Relative total shareholder return payout weight (as a per cent)" } } }, "localname": "PayoutWeightOfShareholderReturnPerformanceConditionInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "percentItemType" }, "tu_PensionAndOtherDefinedBenefitsExpense": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of post-employment and other benefit expense relating to defined benefit plans.", "label": "Pension And Other Defined Benefits Expense", "terseLabel": "Net employee defined benefit plans expense" } } }, "localname": "PensionAndOtherDefinedBenefitsExpense", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_PensionBenefitTrustsAdministeredWithNoProhibitedInvestmentsFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The fair value of assets of administered pension benefit trusts related to a legacy plan that was grandfathered prior to the merger between BC Telecom and TELUS Corporation. This plan holds no TELUS Common Shares, but holds debt of TELUS Corporation.", "label": "Pension Benefit Trusts Administered With No Prohibited Investments Fair Value", "terseLabel": "Fair value of administered pension benefit trusts" } } }, "localname": "PensionBenefitTrustsAdministeredWithNoProhibitedInvestmentsFairValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionBenefitsStandardsRegulations1985AnnualSolvencyPosition": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the prior year update of the annual solvency position as required by Pension Benefits Standards Regulations, 1985 (PBSR).", "label": "Pension Benefits Standards Regulations, 1985, Annual Solvency Position", "terseLabel": "PBSR prior year update of annual estimate of solvency position" } } }, "localname": "PensionBenefitsStandardsRegulations1985AnnualSolvencyPosition", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionBenefitsStandardsRegulations1985AnnualSolvencyRatios": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The annual solvency ratios in the calculation of annual solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Annual Solvency Ratios", "terseLabel": "PBSR annual solvency ratio" } } }, "localname": "PensionBenefitsStandardsRegulations1985AnnualSolvencyRatios", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985AnnualThreeYearSolvencyRatios": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The annual three-year solvency ratios in the calculation of annual solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Annual Three-Year Solvency Ratios", "terseLabel": "PBSR annual three-year solvency ratio" } } }, "localname": "PensionBenefitsStandardsRegulations1985AnnualThreeYearSolvencyRatios", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985CompositeWeightedAverageDiscountRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The composite weighted average discount rate in the calculation of solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Composite Weighted Average Discount Rate", "terseLabel": "PBSR composite weighted average discount rate" } } }, "localname": "PensionBenefitsStandardsRegulations1985CompositeWeightedAverageDiscountRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985CurrentYearInterimSolvencyPosition": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of prior year interim solvency position as required by Pension Benefits Standards Regulations, 1985 (PBSR).", "label": "Pension Benefits Standards Regulations 1985 Current Year Interim Solvency Position", "terseLabel": "PBSR prior year interim estimate of solvency position" } } }, "localname": "PensionBenefitsStandardsRegulations1985CurrentYearInterimSolvencyPosition", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionBenefitsStandardsRegulations1985DecreaseInSolvencyPositionDueToHypotheticalDecreaseOfBasisPointsInCompositeWeightedAverageDiscountRate": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The decrease in solvency position that would have been caused by hypothetical basis points decrease in the composite weighted average discount rate in the calculation of solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Decrease In Solvency Position Due To Hypothetical Decrease Of Basis Points In Composite Weighted Average Discount Rate", "terseLabel": "Decrease in the PBSR solvency position with hypothetical decrease of 25 basis points in the composite weighted average discount rate" } } }, "localname": "PensionBenefitsStandardsRegulations1985DecreaseInSolvencyPositionDueToHypotheticalDecreaseOfBasisPointsInCompositeWeightedAverageDiscountRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionBenefitsStandardsRegulations1985HypotheticalDecreaseOfBasisPointsInCompositeWeightedAverageDiscountRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The hypothetical basis points decrease in the composite weighted average discount rate in the calculation of solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Hypothetical Decrease Of Basis Points In Composite Weighted Average Discount Rate", "terseLabel": "Hypothetical basis points decrease in PBSR composite weighted average discount rate (as a per cent)" } } }, "localname": "PensionBenefitsStandardsRegulations1985HypotheticalDecreaseOfBasisPointsInCompositeWeightedAverageDiscountRate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985InterimEstimatedSolvencyRatios": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The interim estimated solvency ratios in the calculation of interim solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Interim Estimated Solvency Ratios", "terseLabel": "PBSR interim solvency ratio" } } }, "localname": "PensionBenefitsStandardsRegulations1985InterimEstimatedSolvencyRatios", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985InterimEstimatedThreeYearSolvencyRatios": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The interim estimated three-year solvency ratios in the calculation of interim solvency position required by Pension Benefits Standards Regulations, 1985.", "label": "Pension Benefits Standards Regulations, 1985, Interim Estimated Three Year Solvency Ratios", "terseLabel": "PBSR interim three-year solvency ratio" } } }, "localname": "PensionBenefitsStandardsRegulations1985InterimEstimatedThreeYearSolvencyRatios", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "percentItemType" }, "tu_PensionBenefitsStandardsRegulations1985InterimSolvencyPosition": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interim solvency position as required by Pension Benefits Standards Regulations, 1985 (PBSR).", "label": "Pension Benefits Standards Regulations, 1985, Interim Solvency Position", "terseLabel": "PBSR interim estimate of solvency position" } } }, "localname": "PensionBenefitsStandardsRegulations1985InterimSolvencyPosition", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionLiabilitiesDefinedBenefitPlan": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails": { "order": 4.0, "parentTag": "tu_OtherNonCurrentLiabilityBeforeDeferredCustomerActivationAndConnectionFees", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of non-current net defined benefit Pension liabilities.", "label": "Pension Liabilities Defined Benefit Plan", "terseLabel": "Pension benefit liabilities" } } }, "localname": "PensionLiabilitiesDefinedBenefitPlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_PensionPlanForManagementAndProfessionalEmployeesOfTelusCorporationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the pension plan for management and professional employees of the entity.", "label": "Pension Plan for Management and Professional Employees of TELUS Corporation" } } }, "localname": "PensionPlanForManagementAndProfessionalEmployeesOfTelusCorporationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_PensionableRemunerationConsecutiveMonthsPeriodBasis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The annualized average of the best consecutive period of pensionable remuneration. In the format 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Pensionable Remuneration Consecutive Months Period Basis", "terseLabel": "Pensionable remuneration period of best consecutive months" } } }, "localname": "PensionableRemunerationConsecutiveMonthsPeriodBasis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_PensionableRemunerationPeriodBasis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The annualized average of the best years of pensionable remuneration. In the format 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Pensionable Remuneration Period Basis", "terseLabel": "Pensionable remuneration period of best years" } } }, "localname": "PensionableRemunerationPeriodBasis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "durationItemType" }, "tu_PensionableRemunerationReferencePeriodBasis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The relevant pay reference period of years immediately preceding retirement from which a selection of annual earnings are averaged to determine pensionable remuneration. In the format 'PnYnMnDTnHnMnS', for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Pensionable Remuneration Reference Period Basis", "terseLabel": "Pensionable remuneration reference period" } } }, "localname": "PensionableRemunerationReferencePeriodBasis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "durationItemType" }, "tu_PerShareAmountsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "per share amounts" } } }, "localname": "PerShareAmountsAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_PercentOfNetBookValue": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of the net book value of the subsidiary that has been credited to non-controlling interest in Company's financial statements.", "label": "Percent Of Net Book Value", "terseLabel": "Per cent of net book value" } } }, "localname": "PercentOfNetBookValue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails" ], "xbrltype": "percentItemType" }, "tu_PercentOfRightOfUseAssetsSubleased": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The portion of real estate right-of-use assets that are subleased, as a percent.", "label": "Percent Of Right Of Use Assets Subleased", "terseLabel": "Portion of real estate right-of-use assets that are subleased, as a percent" } } }, "localname": "PercentOfRightOfUseAssetsSubleased", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageEmployeesCoveredUnderCollectiveAgreement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employees covered under the collective agreement.", "label": "Percentage Employees Covered Under Collective Agreement", "terseLabel": "Employees covered under the collective agreement (as a per cent)" } } }, "localname": "PercentageEmployeesCoveredUnderCollectiveAgreement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfAmountRemittedAsPerAuction": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage total purchase price that was remitted in accordance with the tems of the auction.", "label": "Percentage of Amount Remitted as Per the Auction", "terseLabel": "Percentage of total purchase price remitted as per terms of the auction" } } }, "localname": "PercentageOfAmountRemittedAsPerAuction", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfApprovedNormalCourseIssueBidEmployeeBenefitPlanTrustCouldPurchase": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of approved normal course issue bid an employee benefit plan trust could purchase.", "label": "Percentage Of Approved Normal Course Issue Bid An Employee Benefit Plan Trust Could Purchase", "terseLabel": "Percentage of approved normal course issue bid an employee benefit plan trust could purchase" } } }, "localname": "PercentageOfApprovedNormalCourseIssueBidEmployeeBenefitPlanTrustCouldPurchase", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfConstructionFinancingProvided": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of construction financing provided.", "label": "Percentage Of Construction Financing Provided", "terseLabel": "Percentage of financing provided" } } }, "localname": "PercentageOfConstructionFinancingProvided", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfDecreaseInNonControllingInterests": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of decrease in non-controlling interests.", "label": "Percentage of Decrease in Non-controlling Interests", "terseLabel": "Percentage of decrease in non-controlling interests" } } }, "localname": "PercentageOfDecreaseInNonControllingInterests", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfDiscountOfCommonSharesFromTreasury": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The offering price discount on Common Shares from Treasury, expressed as a percentage.", "label": "Percentage of Discount of Common Shares from Treasury", "terseLabel": "Offering price discount on Common Shares from Treasury (as a percent)" } } }, "localname": "PercentageOfDiscountOfCommonSharesFromTreasury", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureDividendsPerShareDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfEmployeeContributionHighlyCompensatedToEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employees' voluntary contribution from their pay to the employee share purchase plan for highly compensate job classifications.", "label": "Percentage Of Employee Contribution, Highly Compensated, To Employee Share Purchase Plan", "terseLabel": "Employee contribution for highly compensated job classifications" } } }, "localname": "PercentageOfEmployeeContributionHighlyCompensatedToEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfEmployeeContributionToEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of employees' voluntary contribution from their pay to the employee share purchase plan.", "label": "Percentage Of Employee Contribution To Employee Share Purchase Plan", "terseLabel": "Employee contribution" } } }, "localname": "PercentageOfEmployeeContributionToEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfIncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquity": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Percentage of Increase (Decrease) Through Changes In Ownership Interests In Subsidiaries That Do Not Result In Loss Of Control, Equity", "terseLabel": "Increase in non-controlling interest in the net book value of subsidiary (as a percent)" } } }, "localname": "PercentageOfIncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquity", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfIncreaseInNonControllingInterests": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the percentage of increase in non-controlling interests.", "label": "Percentage of Increase in Non-controlling Interests", "terseLabel": "Percentage of increase in non-controlling interests" } } }, "localname": "PercentageOfIncreaseInNonControllingInterests", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfIndexationOfAnnualIncreaseInCostLivingIndex": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of indexation of the annual increase in a specified cost-of-living index.", "label": "Percentage Of Indexation Of Annual Increase In Cost-Living Index", "terseLabel": "Indexation of annual increase in a specified cost-of-living index (as a per cent)" } } }, "localname": "PercentageOfIndexationOfAnnualIncreaseInCostLivingIndex", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfMatchingContributionToEmployeeSharePurchasePlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of the entity's contribution to the maximum percentage of employees' contribution from their pay to the employee share purchase plan matched by the entity.", "label": "Percentage Of Matching Contribution To Employee Share Purchase Plan", "terseLabel": "Matching contribution per plan" } } }, "localname": "PercentageOfMatchingContributionToEmployeeSharePurchasePlan", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationEmployeeSharePurchasePlanDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfMinimumLeasePaymentsDue": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The future minimum lease payments due under operating leases expressed as a percentage of the total leases, including arms length leases and leases with related parties.", "label": "Percentage of minimum lease payments due", "terseLabel": "Future minimum lease payments due under operating leases expressed as a percentage of the total leases" } } }, "localname": "PercentageOfMinimumLeasePaymentsDue", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageOfPrincipalAdvanceToRepayBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of principal advance to that is required to be repaid each year of the term of the agreement.", "label": "Percentage of principal advance to repay, borrowings", "terseLabel": "Percentage of principal advance required to be repaid each year of the term of the agreement" } } }, "localname": "PercentageOfPrincipalAdvanceToRepayBorrowings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageRelatedToCertainLeases": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Future minimum lease payments due for certain leases expressed as a percentage of total leases.", "label": "Percentage related to certain leases", "terseLabel": "Future minimum lease payments due for certain leases expressed as a percentage of total leases" } } }, "localname": "PercentageRelatedToCertainLeases", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageToTotalDefinedBenefitPlanObligation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of the plan's defined benefit obligation to the total.", "label": "Percentage To The Total Defined Benefit Plan Obligation", "terseLabel": "Percentage to total defined benefit obligation" } } }, "localname": "PercentageToTotalDefinedBenefitPlanObligation", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "percentItemType" }, "tu_PercentageTransformativeCompensationLumpsumPaymentsPaidInCommonShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of immediately vesting, transformative compensation paid in the entity's common shares.", "label": "Percentage Transformative Compensation Lumpsum Payments Paid In Common Shares", "terseLabel": "Approximate transformative compensation paid in common shares (as a per cent)" } } }, "localname": "PercentageTransformativeCompensationLumpsumPaymentsPaidInCommonShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "percentItemType" }, "tu_PeriodForExchangeOfDebenturesUnderBorrowings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period for exchange of debentures under borrowings.", "label": "Period for exchange of debentures under borrowings", "terseLabel": "Period for exchange of debentures" } } }, "localname": "PeriodForExchangeOfDebenturesUnderBorrowings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "durationItemType" }, "tu_PeriodOfReasonablyPossibleIncreaseInLifeExpectancy": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible increase life expectancy in the actuarial assumption used to determine the present value of defined benefit obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Period Of Reasonably Possible Increase In Life Expectancy", "terseLabel": "Increase in life expectancy in actuarial assumption" } } }, "localname": "PeriodOfReasonablyPossibleIncreaseInLifeExpectancy", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsAssumptionsDetails" ], "xbrltype": "durationItemType" }, "tu_PeriodOverWhichManagementHasProjectedCashFlows": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period over which management has projected cash flows based on financial budgets/forecasts approved by management.", "label": "Period Over Which Management Has Projected Cash Flows", "terseLabel": "Period over which management has projected cash flows" } } }, "localname": "PeriodOverWhichManagementHasProjectedCashFlows", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "durationItemType" }, "tu_PlanAssetsEffectOfAssetCeiling": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of reduction in fair value of plan assets due to limitation of plan surplus under asset ceiling provision.", "label": "Plan Assets Effect Of Asset Ceiling", "negatedPeriodEndLabel": "End of year", "negatedPeriodStartLabel": "Beginning of year" } } }, "localname": "PlanAssetsEffectOfAssetCeiling", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "tu_PlanAssetsInterestEffectOnAssetCeilingLimit": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of interest effect on interest ceiling limit on plan asset in defined benefit pension plans.", "label": "Plan Assets, Interest Effect on Asset Ceiling Limit", "terseLabel": "Interest effect on asset ceiling limit" } } }, "localname": "PlanAssetsInterestEffectOnAssetCeilingLimit", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "tu_PlanAssetsMemberNetOfEffectOfAssetCeilingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for plan assets, net of the effect of the asset ceiling.", "label": "Plan assets net of Effect of asset ceiling limit" } } }, "localname": "PlanAssetsMemberNetOfEffectOfAssetCeilingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_PostemploymentBenefitCostsDefinedBenefitPlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 3.0, "parentTag": "ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAsset", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The total amount of post-employment benefit costs relating to defined benefit plan, including amounts charged to financing costs and to other comprehensive income.", "label": "Postemployment Benefit Costs Defined Benefit Plans", "totalLabel": "DEFINED BENEFIT (COST) INCLUDED IN COMPREHENSIVE INCOME" } } }, "localname": "PostemploymentBenefitCostsDefinedBenefitPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_PostemploymentBenefitCostsDefinedBenefitPlansInFinancingCost": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 1.0, "parentTag": "tu_DefinedBenefitCostIncludedInNetIncome", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from post-employment benefit costs relating to defined benefit plan recognized in financing costs, including amounts charged to financing costs.", "label": "Postemployment Benefit Costs Defined Benefit Plans In Financing Cost", "negatedTotalLabel": "Total", "verboseLabel": "Financing cost" } } }, "localname": "PostemploymentBenefitCostsDefinedBenefitPlansInFinancingCost", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsOtherDefinedBenefitPlansDetails" ], "xbrltype": "monetaryItemType" }, "tu_PostemploymentBenefitExpenseDefinedContributionPlansOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 2.0, "parentTag": "ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of traditional post-employment benefit expense relating to defined contribution plans that the entity does not separately disclose in the same statement or note.", "label": "Postemployment Benefit Expense Defined Contribution Plans, Other", "terseLabel": "Other defined contribution pension plans" } } }, "localname": "PostemploymentBenefitExpenseDefinedContributionPlansOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_PostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 1.0, "parentTag": "ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of post-employment benefit expense relating to defined contribution plans relating to union pension plan and public service pension plan contributions.", "label": "Postemployment Benefit Expense Defined Contribution Plans, Union Pension And Public Service Plans", "terseLabel": "Union pension plan and public service pension plan contributions" } } }, "localname": "PostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_PreMergerAcquisitionDefinedBenefitPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for non-indexed defined benefit pension plans arising from a pre-merger acquisition.", "label": "Non-indexed defined benefit pension plans arising from a pre-merger acquisition" } } }, "localname": "PreMergerAcquisitionDefinedBenefitPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_PrepaidExpenseMaintenanceNonCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 8.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of prepaid non-current maintenance expenses for the day-to-day servicing of assets, which may include the cost of labour, consumables or small parts.", "label": "Prepaid Expense, Maintenance, Non-Current", "terseLabel": "Prepaid maintenance" } } }, "localname": "PrepaidExpenseMaintenanceNonCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_PresentValueDefinedBenefitObligations": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The present value of the defined benefit obligations in a defined benefit plan.", "label": "Present Value Defined Benefit Obligations", "negatedLabel": "Defined benefit obligations accrued" } } }, "localname": "PresentValueDefinedBenefitObligations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_PresentValueNettingPlanAssetsAndDefinedBenefitObligationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the net of the present value of plan assets and the defined benefit obligation. The present value of a defined benefit obligation is the present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods.", "label": "Present value netting plan assets and defined benefit obligation [member]", "terseLabel": "Net" } } }, "localname": "PresentValueNettingPlanAssetsAndDefinedBenefitObligationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "domainItemType" }, "tu_PriorPeriodReclassificationAdjustmentIfrs16": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of a reclassification adjustment made to prior period financial statement amounts.", "label": "Prior Period Reclassification Adjustment, IFRS 16", "terseLabel": "Reclassification arising from implementation of IFRS 16" } } }, "localname": "PriorPeriodReclassificationAdjustmentIfrs16", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_PriorToMaturityDateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member pertains to after the Note maturity date.", "label": "Prior to maturity date" } } }, "localname": "PriorToMaturityDateMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_ProFormaNetDebtToEbitdaExcludingRestructuringAndOtherCostsRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pro forma ratio calculated by dividing net debt by EBITDA excluding restructuring and other costs.", "label": "Pro Forma, Net Debt to EBITDA Excluding Restructuring and Other Costs Ratio", "terseLabel": "Pro forma ratio of net debt to EBITDA - excluding restructuring and other costs" } } }, "localname": "ProFormaNetDebtToEbitdaExcludingRestructuringAndOtherCostsRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "pureItemType" }, "tu_ProceedsFromRepaymentsOfBorrowingsNetClassifiedAsFinancingActivities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The net amount of cash inflow from borrowings obtained and cash outflow to settle borrowings, classified as financing activities.", "label": "Proceeds From And Repayments of Borrowings Net, Classified as Financing Activities", "terseLabel": "Issue (repayment) of short-term borrowings, net" } } }, "localname": "ProceedsFromRepaymentsOfBorrowingsNetClassifiedAsFinancingActivities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_ProceedsFromRepaymentsOfNonCurrentBorrowings": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow (outflow) from non-current borrowings.", "label": "Proceeds from (Repayments of) Non-current Borrowings", "terseLabel": "Redemptions and repayment of long-term debt" } } }, "localname": "ProceedsFromRepaymentsOfNonCurrentBorrowings", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_ProceedsFromSaleOfSharesUsedToReduceIndebtdedness": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of sale proceeds of shares used to reduce the outstanding debt.", "label": "Proceeds from Sale of Shares used to Reduce the Indebtdedness", "terseLabel": "Amount of net proceeds from sale of shares used to reduce the indebtdedness" } } }, "localname": "ProceedsFromSaleOfSharesUsedToReduceIndebtdedness", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "monetaryItemType" }, "tu_ProformaEarningsBeforeInterestTaxDepreciationAndAmortization": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Proforma EBITDA is defined as the entity's operating revenues less goods and services purchased and employee benefits expense.", "label": "Proforma Earnings Before Interest Tax Depreciation And Amortization", "terseLabel": "Pro forma EBITDA reported to chief operating decision-maker" } } }, "localname": "ProformaEarningsBeforeInterestTaxDepreciationAndAmortization", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_PropertyPlantAndEquipmentAdjusted": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of adjusted tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.", "label": "Property, Plant And Equipment, Adjusted", "terseLabel": "As adjusted" } } }, "localname": "PropertyPlantAndEquipmentAdjusted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "tu_PropertyPlantAndEquipmentAndIntangibleAssetsSubjectToAmortizationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Property, plant, and equipment; and intangible assets subject to amortization.", "label": "Property, plant, and equipment and intangible assets subject to amortization" } } }, "localname": "PropertyPlantAndEquipmentAndIntangibleAssetsSubjectToAmortizationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_PropertyPlantAndEquipmentAndOrIntangibleAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Property, plant, and equipment; and/or intangible assets.", "label": "Property, plant, and equipment and/or intangible assets" } } }, "localname": "PropertyPlantAndEquipmentAndOrIntangibleAssetsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesOtherDetails" ], "xbrltype": "domainItemType" }, "tu_PropertyPlantAndEquipmentLeasedNetOfLeaseLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Property, plant and equipment leased, net of lease liabilities.", "label": "Property plant and equipment (leased), net of lease liabilities" } } }, "localname": "PropertyPlantAndEquipmentLeasedNetOfLeaseLiabilitiesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_PropertyPlantAndEquipmentOwnedAndIntangibleAssetsSubjectToAmortizationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Property, plant, and equipment owned; and intangible assets subject to amortization.", "label": "Property, plant, and equipment owned and intangible assets subject to amortization" } } }, "localname": "PropertyPlantAndEquipmentOwnedAndIntangibleAssetsSubjectToAmortizationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_PropertyPlantAndEquipmentOwnedAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to owned assets.", "label": "Owned assets" } } }, "localname": "PropertyPlantAndEquipmentOwnedAssetsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosurePropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "tu_PropertyPlantAndEquipmentRightOfUseLeaseAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to lease assets.", "label": "Right-of-use lease assets" } } }, "localname": "PropertyPlantAndEquipmentRightOfUseLeaseAssetsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_ProvisionForFairValueWrittenPutOption": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of provision for fair value written put option .", "label": "Provision for Fair Value Written Put Option", "terseLabel": "Provision for fair value written put option" } } }, "localname": "ProvisionForFairValueWrittenPutOption", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_ProvisionForIncomeTaxesOfPartnersIncludedInNetIncomeAndComprehensiveIncome": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of provision for income taxes of the partners recognized in net income (loss) and comprehensive income (loss).", "label": "Provision For Income Taxes Of Partners Included In Net Income And Comprehensive Income", "terseLabel": "Provision for income taxes of the partners recognized in net income and comprehensive income" } } }, "localname": "ProvisionForIncomeTaxesOfPartnersIncludedInNetIncomeAndComprehensiveIncome", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "tu_ProvisionsConsiderationTransferred": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of provisions transferred as consideration.", "label": "Provisions Consideration Transferred", "terseLabel": "Consideration in provisions" } } }, "localname": "ProvisionsConsiderationTransferred", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ProvisionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for provisions.", "label": "Provisions" } } }, "localname": "ProvisionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_ProvisionsNotCurrentlyDeductibleMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Provisions not currently deductible.", "label": "Provisions not currently deductible" } } }, "localname": "ProvisionsNotCurrentlyDeductibleMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_ProvisionsTransferred": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 6.0, "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value, at acquisition date, of provisions transferred as consideration in a business combination.", "label": "Provisions Transferred", "terseLabel": "Provisions" } } }, "localname": "ProvisionsTransferred", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_PurchaseOfCommonSharesRelatedToNormalCourseIssuerBid": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of common shares purchased related to normal course issuer bid.", "label": "Purchase Of Common Shares Related To Normal Course Issuer Bid", "terseLabel": "Purchase of common shares related to normal course issuer bid" } } }, "localname": "PurchaseOfCommonSharesRelatedToNormalCourseIssuerBid", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "sharesItemType" }, "tu_PurchaseOfPortfolioInvestmentsAndOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for the purchase of portfolio investments and other.", "label": "Purchase of Portfolio Investments and Other", "negatedLabel": "Investment in portfolio investments and other" } } }, "localname": "PurchaseOfPortfolioInvestmentsAndOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodWillInvestmentPropertyAndOtherNonCurrentAssetsExcludingSpectrumLicences": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for the purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets, excluding spectrum licences.", "label": "Purchase Of Property Plant And Equipment Intangible Assets Other Than Goodwill Investment Property And Other Non current Assets Excluding Spectrum Licences", "negatedLabel": "Cash payments for capital assets, excluding spectrum licences", "negatedTotalLabel": "Total" } } }, "localname": "PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodWillInvestmentPropertyAndOtherNonCurrentAssetsExcludingSpectrumLicences", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationOperatingActivitiesAndInvestingActivitiesDetails", "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_PurchasedCallOptionsTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The term of purchased call options.", "label": "Purchased Call Options, Term", "terseLabel": "Term of purchased call options (in years)" } } }, "localname": "PurchasedCallOptionsTerm", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "durationItemType" }, "tu_QuebecEmploymentIncomeTaxCredits": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "An amount deducted from an entities' income taxes related to employment positions in the province of Quebec.", "label": "Quebec Employment Income Tax Credits", "terseLabel": "Quebec employment positions tax credit" } } }, "localname": "QuebecEmploymentIncomeTaxCredits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_RatioDividendsDeclaredToOperatingActivitiesCashProvidedLessCapitalExpenditures": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The ratio of dividends declared as a percentage of cash provided by operating activities less capital expenditures, excluding spectrum licenses.", "label": "Ratio Dividends Declared To Operating Activities Cash Provided Less Capital Expenditures", "terseLabel": "Ratio of TELUS Corporation Common Share dividends declared to cash provided by operating activities - less capital expenditures (excluding spectrum licences)" } } }, "localname": "RatioDividendsDeclaredToOperatingActivitiesCashProvidedLessCapitalExpenditures", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails" ], "xbrltype": "percentItemType" }, "tu_RatioOfNetDebtToOperatingCashFlow": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Leverage ratio percentage, calculated by dividing net debt by operating cash flow.", "label": "Ratio of net debt to operating cash flow", "terseLabel": "Leverage ratio" } } }, "localname": "RatioOfNetDebtToOperatingCashFlow", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "pureItemType" }, "tu_RatioOfOperatingCashFlowToDebtServiceRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating cash flows divided by interest and scheduled principal repayment.", "label": "Ratio of operating cash flow to debt service ratio", "terseLabel": "Operating cash flow to debt service ratio" } } }, "localname": "RatioOfOperatingCashFlowToDebtServiceRatio", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "pureItemType" }, "tu_RatioOfOperatingCashFlowToInterestExpense": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ratio of operating cash flow divided by interest expense.", "label": "Ratio of operating cash flow to interest expense", "terseLabel": "Operating cash flow to interest expense ratio" } } }, "localname": "RatioOfOperatingCashFlowToInterestExpense", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "pureItemType" }, "tu_RealEstateAndVehicleMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Real estate and vehicle.", "label": "Real estate and vehicle" } } }, "localname": "RealEstateAndVehicleMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_RealEstateJointVentureAdvancesOtherNonCurrent": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 10.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of real estate joint venture advances included in other non-current assets as of the period end date.", "label": "Real estate joint venture advances, Other Non-Current", "terseLabel": "Real estate joint venture advances" } } }, "localname": "RealEstateJointVentureAdvancesOtherNonCurrent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RealEstateJointVentureCarryingAmountsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to real estate joint venture carrying amounts.", "label": "Real Estate Joint Venture Carrying Amounts [Abstract]", "terseLabel": "Real estate joint ventures carrying amounts" } } }, "localname": "RealEstateJointVentureCarryingAmountsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "stringItemType" }, "tu_RealEstateJointVentureExpectedSpending": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expected costs relating to real estate joint venture projects.", "label": "Real Estate Joint Venture Expected Spending", "terseLabel": "Real estate joint venture approximate total capital spending" } } }, "localname": "RealEstateJointVentureExpectedSpending", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_RealEstateJointVentureOtherNonCurrentAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 9.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of real estate joint ventures included in other non-current assets as of the period end date.", "label": "Real Estate Joint Venture, Other Non-Current Assets", "terseLabel": "Investment in real estate joint venture" } } }, "localname": "RealEstateJointVentureOtherNonCurrentAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RealEstateJointVentureReceipts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from real estate joint ventures, including amounts repaid to the entity for advances and financing costs on construction credit facilities and earnings distributed.", "label": "Real Estate Joint Venture Receipts", "terseLabel": "Real estate joint venture receipts" } } }, "localname": "RealEstateJointVentureReceipts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_RealEstateJointVenturesAdvancesAndContributions": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow from advances related to real estate joint ventures including funds contributed and amounts advanced on construction credit facilities.", "label": "Real Estate Joint Ventures Advances And Contributions", "negatedLabel": "Advances to, and investment in, real estate joint ventures and associates" } } }, "localname": "RealEstateJointVenturesAdvancesAndContributions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_RealEstateJointVenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to real estate joint ventures with related parties.", "label": "Real estate joint ventures with related parties" } } }, "localname": "RealEstateJointVenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_RealEstateJointVenturesStatementsOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to real estate joint ventures' statements of financial position.", "label": "Real Estate Joint Ventures Statements Of Financial Position [Abstract]", "terseLabel": "Related to real estate joint ventures' statements of financial position" } } }, "localname": "RealEstateJointVenturesStatementsOfFinancialPositionAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails" ], "xbrltype": "stringItemType" }, "tu_RealEstateRightOfUseLeaseAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for real estate right-of-use lease assets.", "label": "Real estate right-of-use lease assets" } } }, "localname": "RealEstateRightOfUseLeaseAssetsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesPropertyPlantAndEquipmentAndRightOfUseLeaseAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_ReclassificationFromContractAssetsForContractsWithContractAssetsLessThanContractLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails": { "order": 2.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Reclassification from contract assets of contracts with contract assets less than contract liabilities.", "label": "Reclassification From Contract assets For Contracts With Contract assets Less Than Contract Liabilities", "terseLabel": "Reclassification from contract assets of contracts with contract assets less than contract liabilities" } } }, "localname": "ReclassificationFromContractAssetsForContractsWithContractAssetsLessThanContractLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_ReclassificationFromContractLiabilitiesForContractsWithContractLiabilitiesLessThanContractAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetailss": { "order": 3.0, "parentTag": "ifrs-full_CurrentContractAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Reclassification from contract liabilities for contracts with contract liabilities less than contract assets.", "label": "Reclassification from Contract Liabilities for Contracts with Contract Liabilities Less Than Contract Assets", "terseLabel": "Reclassification from contract liabilities of contracts with contract liabilities less than contract assets" } } }, "localname": "ReclassificationFromContractLiabilitiesForContractsWithContractLiabilitiesLessThanContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_ReclassificationToContractAssetsForContractsWithContractLiabilitiesLessThanContractAssets": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails": { "order": 3.0, "parentTag": "ifrs-full_CurrentContractLiabilities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Reclassification to contract assets of contracts with contract liabilities less than contract assets.", "label": "Reclassification To Contract Assets For Contracts With Contract Liabilities Less Than Contract Assets", "negatedLabel": "Reclassification to contract assets of contracts with contract liabilities less than contract assets" } } }, "localname": "ReclassificationToContractAssetsForContractsWithContractLiabilitiesLessThanContractAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsReconciliationOfContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_ReclassificationToContractLiabilitiesForContractsWithContractAssetsLessThanContractLiabilities": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetailss": { "order": 2.0, "parentTag": "ifrs-full_CurrentContractAssets", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Reclassification of current contract assets to contract liabilities for contracts with contract assets less than contract liabilities.", "label": "Reclassification to Contract Liabilities for Contracts with Contract Assets Less Than Contract Liabilities", "negatedLabel": "Reclassification to contract liabilities of contracts with contract assets less than contract liabilities" } } }, "localname": "ReclassificationToContractLiabilitiesForContractsWithContractAssetsLessThanContractLiabilities", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_ReconciliationOfApplicableTaxRatesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Reconciliation Of Applicable Tax Rates [Abstract]", "terseLabel": "Reconciliation of effective tax rate (as a percent)" } } }, "localname": "ReconciliationOfApplicableTaxRatesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "stringItemType" }, "tu_ReconciliationOfContractAssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Reconciliation OF Contract Assets Current [Abstract]", "terseLabel": "Reconciliation of contract assets presented in the Consolidated statements of financial position - current" } } }, "localname": "ReconciliationOfContractAssetsCurrentAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "stringItemType" }, "tu_RedemptionOfDebenturesNoticePeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The notice period for redemption of debentures.", "label": "Redemption of debentures, notice period", "terseLabel": "Redemption of debentures, notice period" } } }, "localname": "RedemptionOfDebenturesNoticePeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "durationItemType" }, "tu_RefundableSecurityDepositsNonCurrentAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of refundable security deposits of the period end date.", "label": "Refundable Security Deposits Non Current Assets", "verboseLabel": "Refundable security deposits" } } }, "localname": "RefundableSecurityDepositsNonCurrentAssets", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RefundableSecurityDepositsNonCurrentAssetsOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 3.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of refundable security deposits and other asset as of the period end date.", "label": "Refundable Security Deposits Non Current Assets Other", "terseLabel": "Refundable security deposits and other" } } }, "localname": "RefundableSecurityDepositsNonCurrentAssetsOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RelatedPartyLessorsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member relates to related party lessors.", "label": "Related party lessors" } } }, "localname": "RelatedPartyLessorsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_RenewalOfSpectrumLicenses": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of renewal of spectrum license.", "label": "Renewal of Spectrum Licenses", "terseLabel": "Renewal of spectrum license ( in years)" } } }, "localname": "RenewalOfSpectrumLicenses", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "durationItemType" }, "tu_ReportedAtOtherThanFairValueMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for items reported at other than fair value in the statement of financial position.", "label": "Carrying value" } } }, "localname": "ReportedAtOtherThanFairValueMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesNonDerivativeDetails" ], "xbrltype": "domainItemType" }, "tu_RequisiteVestingServicePeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The requisite vesting service period for recipients of share-based payment arrangement and other compensation payments.", "label": "Requisite Vesting Service Period", "terseLabel": "Requisite service period (in years)" } } }, "localname": "RequisiteVestingServicePeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "durationItemType" }, "tu_ReservesNotCurrentlyDeductibleMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Reserves not currently deductible.", "label": "Reserves not currently deductible" } } }, "localname": "ReservesNotCurrentlyDeductibleMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesTemporaryDifferencesDetails" ], "xbrltype": "domainItemType" }, "tu_ResidentialPropertyUnderConstructionOrDevelopment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of property that is being constructed or developed for future use as residential property.", "label": "Residential property under construction or development", "terseLabel": "Property under development - residential condominiums (subject to sales contracts)" } } }, "localname": "ResidentialPropertyUnderConstructionOrDevelopment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestrictedStockUnitNominalValueInEquityShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The nominal value of restricted share units expressed in number of equity shares.", "label": "Restricted Stock Unit Nominal Value In Equity Shares", "terseLabel": "Nominal value (in number of equity shares)" } } }, "localname": "RestrictedStockUnitNominalValueInEquityShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "sharesItemType" }, "tu_RestrictedStockUnitsLiability": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails": { "order": 1.0, "parentTag": "tu_AccruedAndEmployeeRelatedAndRestrictedStockUnitsLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the liability of restricted awards.", "label": "Restricted Stock Units Liability", "terseLabel": "Restricted share units liability" } } }, "localname": "RestrictedStockUnitsLiability", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringAndOtherCosts": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails": { "order": 2.0, "parentTag": "tu_EarningsBeforeInterestTaxesDepreciationAndAmortization", "weight": -1.0 }, "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expense relating to restructuring and other costs with the objective of reducing ongoing costs and atypical charges when undertaking major or transformational changes to the business or operating models.", "label": "Restructuring And Other Costs", "positiveLabel": "Restructuring and other costs included in EBITDA", "terseLabel": "Restructuring and other costs", "totalLabel": "Total" } } }, "localname": "RestructuringAndOtherCosts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringAndOtherCostsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Restructuring And Other Costs [Line Items]", "terseLabel": "restructuring and other costs" } } }, "localname": "RestructuringAndOtherCostsLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "stringItemType" }, "tu_RestructuringAndOtherCostsNetOfDisbursements": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of expense relating to restructuring and other costs, net of disbursements, with the objective of reducing ongoing costs and atypical charges when undertaking major or transformational changes to the business or operating models.", "label": "Restructuring And Other Costs Net Of Disbursements", "terseLabel": "Restructuring and other costs, net of disbursements" } } }, "localname": "RestructuringAndOtherCostsNetOfDisbursements", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringAndOtherCostsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Table presenting restructuring and other costs.", "label": "Restructuring And Other Costs [Table]" } } }, "localname": "RestructuringAndOtherCostsTable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "stringItemType" }, "tu_RestructuringCostsCommittedDonations": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of donations committed.", "label": "Restructuring Costs, Committed Donations", "terseLabel": "Donations committed" } } }, "localname": "RestructuringCostsCommittedDonations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringCostsEmployeeBenefitsExpense": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails": { "order": 1.0, "parentTag": "tu_RestructuringAndOtherCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents employee benefits expense incurred as restructuring and other costs under an authorized plan.", "label": "Restructuring Costs Employee Benefits Expense", "terseLabel": "Employee benefits expense" } } }, "localname": "RestructuringCostsEmployeeBenefitsExpense", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringCostsGoodsAndServicesPurchased": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails": { "order": 2.0, "parentTag": "tu_RestructuringAndOtherCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents costs of goods and services purchased incurred as restructuring and other costs under an authorized plan.", "label": "Restructuring Costs Goods And Services Purchased", "terseLabel": "Goods and services purchased" } } }, "localname": "RestructuringCostsGoodsAndServicesPurchased", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_RestructuringCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing restructuring costs.", "label": "Restructuring" } } }, "localname": "RestructuringCostsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "tu_RetirementOfProvisionArisingFromBusinessAcquisitionRelatedWrittenPutOptions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Retirement of provision arising from business acquisition-related written put options.", "label": "Retirement Of Provision Arising From Business Acquisition Related Written Put Options", "terseLabel": "Retirement of provision arising from business acquisition-related written put options within DLCX" } } }, "localname": "RetirementOfProvisionArisingFromBusinessAcquisitionRelatedWrittenPutOptions", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_RevenueBeforeIntersegment": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails": { "order": 2.0, "parentTag": "ifrs-full_Revenue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of revenue arising from sources before taking into account intersegment revenues.", "label": "Revenue before intersegment", "totalLabel": "Total external revenues" } } }, "localname": "RevenueBeforeIntersegment", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_RevenueDeferredInPreviousPeriodAndRecognizedInCurrentPeriod": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to revenue deferred in previous period and recognized in current period.", "label": "Revenue Deferred In Previous Period And Recognized In Current Period", "negatedLabel": "Revenue deferred in previous period and recognized in current period" } } }, "localname": "RevenueDeferredInPreviousPeriodAndRecognizedInCurrentPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsContractLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_RevenueFromCustomerCareAndBusinessServicesOutsourcing": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Revenue arising from customer care and business services outsourcing.", "label": "Revenue From Customer Care And Business Services Outsourcing", "terseLabel": "Customer care and business services outsourcing" } } }, "localname": "RevenueFromCustomerCareAndBusinessServicesOutsourcing", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "monetaryItemType" }, "tu_RevenueFromSaleOfResidentialCondominiums": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of revenue arising from the sale of residential condominiums.", "label": "Revenue from sale of residential condominiums", "terseLabel": "Revenue from sale of residential condominiums" } } }, "localname": "RevenueFromSaleOfResidentialCondominiums", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateNetIncomeLossAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "tu_RevolvingPeriodSecuritizationAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for information pertaining to the revolving-period securitization agreement with a securitization trust associated with a major Schedule I bank.", "label": "Revolving period securitization agreement" } } }, "localname": "RevolvingPeriodSecuritizationAgreementMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "domainItemType" }, "tu_SalesContractDepositLiabilitiesHeldByArmSLengthTrustee": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of deposit liabilities from customers held by arm's-length trustee.", "label": "Sales Contract Deposit Liabilities Held By Arm's Length Trustee", "terseLabel": "Sales contract deposits Held by arm's-length trustee" } } }, "localname": "SalesContractDepositLiabilitiesHeldByArmSLengthTrustee", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_SalesContractDepositsHeldByArmSLengthTrustee": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of sales contract deposits from customers held by arm's-length trustee.", "label": "Sales Contract Deposits Held By Arm's Length Trustee", "terseLabel": "Sales contract deposits held by arm's-length trustee" } } }, "localname": "SalesContractDepositsHeldByArmSLengthTrustee", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_ScheduleOfCalculationOfFreeCashFlowAndReconciliationToCashProvidedByOperatingActivitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of calculation of free cash flow, and the reconciliation to cash provided by operating activities.", "label": "Schedule of Calculation of Free Cash Flow, and the Reconciliation to Cash Provided by Operating Activities [Table Text Block]", "terseLabel": "Schedule of calculation of free cash flow, and the reconciliation to cash provided by operating activities" } } }, "localname": "ScheduleOfCalculationOfFreeCashFlowAndReconciliationToCashProvidedByOperatingActivitiesTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesTables" ], "xbrltype": "textBlockItemType" }, "tu_ScheduleOfGainsAndLossesFromDerivativeInstrumentsClassifiedAsHeldForTradingTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of gains and losses arising from derivative instruments classified as held for trading and not designated as being in a hedging relationship.", "label": "Schedule of Gains and Losses from Derivative Instruments Classified as Held for Trading [Table Text Block]", "terseLabel": "Schedule of gains and losses arising from derivative instruments classified as held for trading" } } }, "localname": "ScheduleOfGainsAndLossesFromDerivativeInstrumentsClassifiedAsHeldForTradingTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "tu_ScheduleOfOtherLongTermAssetsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of detailed information about the components of other long-term assets.", "label": "Schedule Of Other Long-Term Assets [Table Text Block]", "terseLabel": "Schedule of other long-term assets" } } }, "localname": "ScheduleOfOtherLongTermAssetsTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsTables" ], "xbrltype": "textBlockItemType" }, "tu_ScheduleOfOtherOperatingIncomeTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of each detailed component of other operating income", "label": "Schedule of other income" } } }, "localname": "ScheduleOfOtherOperatingIncomeTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeTables" ], "xbrltype": "textBlockItemType" }, "tu_ScheduleOfRestructuringAndOtherCostsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of restructuring and other costs.", "label": "Schedule Of Restructuring And Other Costs Explanatory", "terseLabel": "Schedule of restructuring and other costs presented in the Consolidated statements of income and other comprehensive income" } } }, "localname": "ScheduleOfRestructuringAndOtherCostsExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsTables" ], "xbrltype": "textBlockItemType" }, "tu_ScheduleOfRestructuringProvisionsExplanatory": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of restructuring provisions.", "label": "Schedule Of Restructuring Provisions Explanatory", "terseLabel": "Schedule of restructuring provisions" } } }, "localname": "ScheduleOfRestructuringProvisionsExplanatory", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsTables" ], "xbrltype": "textBlockItemType" }, "tu_SecondPreferredSharesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for second preferred shares.", "label": "Second Preferred Shares" } } }, "localname": "SecondPreferredSharesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_SecondaryOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for secondary offering.", "label": "Secondary offering" } } }, "localname": "SecondaryOfferingMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "domainItemType" }, "tu_SeniorSecured3.4PercentBondsDueJuly2025Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 3.4% Senior secured bonds due July 2025.", "label": "3.4% senior secured bonds" } } }, "localname": "SeniorSecured3.4PercentBondsDueJuly2025Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_SensitivityAnalysisPercentageOfReasonablyPossibleChangeInRiskVariable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible percentage of change in the relevant risk variable used to determine the financial impact in a sensitivity analysis.", "label": "Sensitivity Analysis Percentage of Reasonably Possible Change in Risk Variable", "terseLabel": "Percentage of reasonably possible changes in market risk variable" } } }, "localname": "SensitivityAnalysisPercentageOfReasonablyPossibleChangeInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "percentItemType" }, "tu_SensitivityAnalysisPercentageOfReasonablyPossibleDecreaseInRiskVariable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible percentage of decrease in the relevant risk variable used to determine the financial impact in a sensitivity analysis.", "label": "Sensitivity Analysis Percentage of Reasonably Possible Decrease in Risk Variable", "terseLabel": "Percentage of reasonably possible decrease in market risk variable" } } }, "localname": "SensitivityAnalysisPercentageOfReasonablyPossibleDecreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "percentItemType" }, "tu_SensitivityAnalysisPercentageOfReasonablyPossibleIncreaseInRiskVariable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The reasonably possible percentage of increase in the relevant risk variable used to determine the financial impact in a sensitivity analysis.", "label": "Sensitivity Analysis Percentage of Reasonably Possible Increase in Risk Variable", "terseLabel": "Percentage of reasonably possible increase in market risk variable" } } }, "localname": "SensitivityAnalysisPercentageOfReasonablyPossibleIncreaseInRiskVariable", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "percentItemType" }, "tu_SensitivityAnalysisPeriodOfDataForVolatilityInSharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Prior period for which data is used to calculate the volatility of the entity's share price as an assumption in a sensitivity analysis.", "label": "Sensitivity Analysis, Period of Data for Volatility in Share Price", "terseLabel": "Data period for share price volatility" } } }, "localname": "SensitivityAnalysisPeriodOfDataForVolatilityInSharePrice", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "durationItemType" }, "tu_SensitivityAnalysisSharePriceVolatility": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Volatility in share price used as an assumption in a sensitivity analysis.", "label": "Sensitivity Analysis, Share Price Volatility", "terseLabel": "Share price volatility for sensitivity analysis (as a per cent)" } } }, "localname": "SensitivityAnalysisSharePriceVolatility", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsMarketRisksDetails" ], "xbrltype": "percentItemType" }, "tu_September302016September292017Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaning to September 30, 2016 - September 29, 2017.", "label": "September 30, 2016 - September 29, 2017" } } }, "localname": "September302016September292017Member", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_Series310.65PercentDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Communications Inc. 10.65% Debentures, Series 3, issued in June 1991.", "label": "10.65% Debentures, Series 3" } } }, "localname": "Series310.65PercentDebenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "domainItemType" }, "tu_Series59.65PercentDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Communications Inc. 9.65% Debentures, Series 5, issued in April 1992.", "label": "9.65% Debentures, Series 5" } } }, "localname": "Series59.65PercentDebenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesB8.80PercentDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Communications Inc. 8.80% Debentures, Series B, issued in September 1995.", "label": "8.80% Debentures, Series B" } } }, "localname": "SeriesB8.80PercentDebenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCaa0.00PercentageNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 0.00% Notes, Series CAA.", "label": "0.00 % Notes, Series CAA" } } }, "localname": "SeriesCaa0.00PercentageNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCaa3.15NotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.15% Notes, Series CAA issued in December 2019.", "label": "3.15% Notes, Series CAA" } } }, "localname": "SeriesCaa3.15NotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCab0.00PercentageNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 0.00% Notes, Series CAB", "label": "0.00% Notes, Series CAB" } } }, "localname": "SeriesCab0.00PercentageNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCab3.95NotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.95% Notes, Series CAB issued in December 2019.", "label": "3.95% Notes, Series CAB" } } }, "localname": "SeriesCab3.95NotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCac2.35PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member represents 2.35% Notes Series CAC.", "label": "2.35% Notes, Series CAC" } } }, "localname": "SeriesCac2.35PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCad2.05NotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 2.05% Notes, Series CAD.", "label": "2.05% Notes, Series CAD" } } }, "localname": "SeriesCad2.05NotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCae4.10NotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 4.10% Notes, Series CAE.", "label": "Series CAE 4.10% Notes [Member}", "terseLabel": "4.10% Notes, Series CAE" } } }, "localname": "SeriesCae4.10NotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCaf2.85SustainabilityLinkedNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for 2.85% Sustainability-Linked Notes, Series CAF.", "label": "Series CAF 2.85% Sustainability-Linked Notes [Member]", "terseLabel": "2.85% Sustainability-Linked Notes, Series CAF" } } }, "localname": "SeriesCaf2.85SustainabilityLinkedNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCd4.95PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.95% Notes, Series CD issued in March 2007.", "label": "4.95% Notes, Series CD" } } }, "localname": "SeriesCd4.95PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCg5.05PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 5.05% Notes, Series CG issued in December 2009.", "label": "5.05% Notes, Series CG" } } }, "localname": "SeriesCg5.05PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCh5.05PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 5.05% Notes, Series CH issued in July 2010.", "label": "5.05% Notes, Series CH" } } }, "localname": "SeriesCh5.05PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCi3.65PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.65% Notes, Series CI issued in May 2011.", "label": "3.65% Notes, Series CI" } } }, "localname": "SeriesCi3.65PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCj3.35PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.35% Notes, Series CJ issued in December 2012.", "label": "3.35% Notes, Series CJ" } } }, "localname": "SeriesCj3.35PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCk3.35PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.35% Notes, Series CK issued in April 2013.", "label": "3.35% Notes, Series CK" } } }, "localname": "SeriesCk3.35PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCl4.40PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.40% Notes, Series CL issued in April 2013.", "label": "4.40% Notes, Series CL" } } }, "localname": "SeriesCl4.40PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCm3.60PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.60% Notes, Series CM issued in November 2013.", "label": "3.60% Notes, Series CM" } } }, "localname": "SeriesCm3.60PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCn5.15PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 5.15% Notes, Series CN issued in November 2013.", "label": "5.15% Notes, Series CN" } } }, "localname": "SeriesCn5.15PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCo3.20PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.20% Notes, Series CO issued in April 2014.", "label": "3.20% Notes, Series CO" } } }, "localname": "SeriesCo3.20PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCp4.85PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.85% Notes, Series CP issued in multiple years.", "label": "4.85% Notes, Series CP" } } }, "localname": "SeriesCp4.85PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCq3.75PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.75% Notes, Series CQ issued in September 2014.", "label": "3.75% Notes, Series CQ" } } }, "localname": "SeriesCq3.75PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCr4.75PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.75% Notes, Series CR issued in September 2014.", "label": "4.75% Notes, Series CR" } } }, "localname": "SeriesCr4.75PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCs1.50PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 1.50% Notes, Series CS issued in March 2015.", "label": "1.50% Notes, Series CS" } } }, "localname": "SeriesCs1.50PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCt2.35PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 2.35% Notes, Series C issued in March 2015.", "label": "2.35% Notes, Series CT" } } }, "localname": "SeriesCt2.35PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCu4.40PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.40% Notes, Series CU issued in March 2015.", "label": "4.40% Notes, Series CU" } } }, "localname": "SeriesCu4.40PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCv3.75PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.75% Notes, Series CV issued in December 2015.", "label": "3.75% Notes, Series CV" } } }, "localname": "SeriesCv3.75PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCw3.30PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.30% Notes, Series CW issued in May 2019.", "label": "3.30% Notes, Series CW" } } }, "localname": "SeriesCw3.30PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCw4.70PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.70% Notes, Series CW issued in March 2017.", "label": "4.70% Notes, Series CW" } } }, "localname": "SeriesCw4.70PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCx3.625PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.625% Notes, Series CX issued in March 2018.", "label": "3.625% Notes, Series CX" } } }, "localname": "SeriesCx3.625PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCy3.30PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.30% Notes, Series CY issued in April 2019.", "label": "Series CY 3.30 Percent Notes [Member]", "terseLabel": "3.30% Notes, Series CY" } } }, "localname": "SeriesCy3.30PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_SeriesCz2.75PercentNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 2.75% Notes, Series CZ issued in July 2019.", "label": "2.75% Notes, Series CZ" } } }, "localname": "SeriesCz2.75PercentNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumberOfSharesRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested, Number of Shares [Roll Forward]", "terseLabel": "Number of restricted share units - vested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumberOfSharesRollForward", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "stringItemType" }, "tu_ShareIssuedPrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The stated issue price per share for each $1,000 principal amount of subordinated notes held prior to conversion.", "label": "Share Issued Price", "terseLabel": "Stated issue price per share for each $1,000 principal amount of subordinated notes held prior to conversion" } } }, "localname": "ShareIssuedPrice", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "perShareItemType" }, "tu_ShareOfNetIdentifiableAssetsAcquired": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The entity's share of net identifiable assets acquired.", "label": "Share of Net Identifiable Assets Acquired", "terseLabel": "Share of the net identifiable assets acquired" } } }, "localname": "ShareOfNetIdentifiableAssetsAcquired", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "tu_SharesOfSubsidiaryIssuedToPurchasedFromNonControllingInterests": { "auth_ref": [], "calculation": { "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The monetary value of shares of a subsidiary (purchased from) or issued and sold to non-controlling interests.", "label": "Shares Of Subsidiary Issued To Purchased From Non-Controlling Interests", "negatedLabel": "Shares of subsidiary issued and sold to non-controlling interests, net" } } }, "localname": "SharesOfSubsidiaryIssuedToPurchasedFromNonControllingInterests", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "tu_ShelfProspectusSecuritiesAvailableForIssuance": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of debt or equity securities that may be offered by the entity pursuant to a shelf prospectus.", "label": "Shelf Prospectus, Securities Available for Issuance", "terseLabel": "Debt or equity securities that may be offered pursuant to a shelf prospectus" } } }, "localname": "ShelfProspectusSecuritiesAvailableForIssuance", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsLiquidityRiskDetails" ], "xbrltype": "monetaryItemType" }, "tu_ShortTermBorrowingsRecognisedAsOfAcquisitionDate": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails": { "order": 4.0, "parentTag": "ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount recognised as of the acquisition date for short-term borrowings assumed in a business combination.", "label": "Short-term Borrowings Recognised as of Acquisition Date", "terseLabel": "Short-term borrowings" } } }, "localname": "ShortTermBorrowingsRecognisedAsOfAcquisitionDate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_SignificantAccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "summary of significant accounting policies" } } }, "localname": "SignificantAccountingPoliciesAbstract", "nsuri": "http://www.telus.com/20211231", "xbrltype": "stringItemType" }, "tu_SignificantChangesInContractAssetsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.", "label": "Significant Changes In Contract Assets [Line Items]", "terseLabel": "Changes in contract assets" } } }, "localname": "SignificantChangesInContractAssetsLineItems", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "stringItemType" }, "tu_SingleNoncontrollingShareholderMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a single non-controlling shareholder.", "label": "Single non-controlling shareholder" } } }, "localname": "SingleNoncontrollingShareholderMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails" ], "xbrltype": "domainItemType" }, "tu_SmartDataSolutionsBusinessMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Smart data solutions business.", "label": "Smart data solutions business" } } }, "localname": "SmartDataSolutionsBusinessMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_SpectrumLicences2500MhzMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Spectrum Licences 2500 MHz.", "label": "Spectrum Licences 2500 MHz" } } }, "localname": "SpectrumLicences2500MhzMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "tu_SpectrumLicences3500MhzMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Spectrum Licences 3500 MHz.", "label": "Spectrum Licences 3500 MHz" } } }, "localname": "SpectrumLicences3500MhzMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "tu_SpreadIncludedInFairValueOfDerivativeInstruments": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of currency basis spread included in fair value of derivative instruments that is used to assess hedge ineffectiveness.", "label": "Spread Included in Fair Value of Derivative Instruments", "terseLabel": "Spread included in fair value of derivative instruments" } } }, "localname": "SpreadIncludedInFairValueOfDerivativeInstruments", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsFairValuesDerivativesDetails" ], "xbrltype": "monetaryItemType" }, "tu_SubscriberBaseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of intangible assets representing Subscriber base.", "label": "Subscriber base" } } }, "localname": "SubscriberBaseMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillDetails" ], "xbrltype": "domainItemType" }, "tu_SubsidyReceipts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Subsidy payments received based on calculation on a per network access line/per band subsidy rate.", "label": "Subsidy receipts" } } }, "localname": "SubsidyReceipts", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherIncomeDetails" ], "xbrltype": "monetaryItemType" }, "tu_SummaryOfContractAssetsAndItsImpairmentAllowanceActivityTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The disclosure of contract assets and its impairment allowance activity.", "label": "Summary Of Contract Assets and its Impairment Allowance Activity [Table Text Block]", "terseLabel": "Summary of contract assets and related impairment allowance activity" } } }, "localname": "SummaryOfContractAssetsAndItsImpairmentAllowanceActivityTableTextBlock", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "tu_SupplementalCashFlowInformationOperatingCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Supplemental Cash Flow Information Operating Cash Flows [Abstract]", "terseLabel": "SUPPLEMENTAL DISCLOSURE OF OPERATING CASH FLOWS" } } }, "localname": "SupplementalCashFlowInformationOperatingCashFlowsAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "tu_SystemAccessFeeClassActionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to system access fee class actions.", "label": "System access fee class actions" } } }, "localname": "SystemAccessFeeClassActionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TELUSCommunicationsIncDebenturesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to the TELUS Communications Inc. debentures.", "label": "TELUS Communications debentures" } } }, "localname": "TELUSCommunicationsIncDebenturesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCommunicationsIncDebenturesDetails" ], "xbrltype": "stringItemType" }, "tu_TELUSCorpNotesAllSeriesExceptSeriesCDMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for all TELUS Corporation note series except for Series CD.", "label": "TELUS Corporation notes, all series except for Series CD" } } }, "localname": "TELUSCorpNotesAllSeriesExceptSeriesCDMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_TELUSCorporationCommercialPaperAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to the TELUS Corporation unsecured commercial paper program.", "label": "TELUS Corporation Commercial Paper [Abstract]", "terseLabel": "TELUS Corporation commercial paper" } } }, "localname": "TELUSCorporationCommercialPaperAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails" ], "xbrltype": "stringItemType" }, "tu_TELUSCorporationCreditFacilityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to the TELUS Corporation unsecured revolving bank credit facility.", "label": "TELUS Corporation Credit Facility [Abstract]", "terseLabel": "TELUS Corporation credit facility" } } }, "localname": "TELUSCorporationCreditFacilityAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "stringItemType" }, "tu_TELUSCorporationNotesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Relates to senior, unsecured and unsubordinated obligations of the entity.", "label": "TELUS Corporation Notes [Abstract]", "terseLabel": "TELUS Corporation notes" } } }, "localname": "TELUSCorporationNotesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "stringItemType" }, "tu_TELUSGardenRealEstateJointVentureMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for joint venture with an arm's-length party in a residential condominium, retail and commercial real estate redevelopment project, TELUS Garden, in Vancouver, British Columbia.", "label": "TELUS Garden real estate joint venture" } } }, "localname": "TELUSGardenRealEstateJointVentureMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_TELUSInternationalCdaIncCreditFacilityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pertains to the TELUS International (Cda) Inc. credit facility.", "label": "T E L U S International (Cda) Inc Credit Facility [Abstract]", "terseLabel": "TELUS International (Cda) Inc. credit facility" } } }, "localname": "TELUSInternationalCdaIncCreditFacilityAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "tu_TELUSSkyRealEstateJointVentureMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for joint venture with two arm's-length parties in a residential, retail and commercial real estate redevelopment project, TELUS Sky, in Calgary, Alberta.", "label": "TELUS Sky real estate joint venture" } } }, "localname": "TELUSSkyRealEstateJointVentureMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "tu_TabularDisclosureOfAdvanceBillingsAndCustomerDeposits": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the advance billings and customer deposits.", "label": "Tabular disclosure of advance billings and customer deposits", "terseLabel": "Disclosure of advance billings and customer accounts" } } }, "localname": "TabularDisclosureOfAdvanceBillingsAndCustomerDeposits", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdvanceBillingsAndCustomerDepositsTables" ], "xbrltype": "textBlockItemType" }, "tu_TaxBenefitFromSharebasedCompensationExpense": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.", "label": "Tax Benefit from Share-based Compensation Expense", "terseLabel": "Income tax benefit arising from share-based compensation" } } }, "localname": "TaxBenefitFromSharebasedCompensationExpense", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TaxEffectOfCurrentPeriodAdjustmentsForTaxOfPriorPeriods": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 5.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Tax effect of adjustments recognized in the current period for income taxes of prior periods.", "label": "Tax Effect of Current Period Adjustments For Tax Of Prior Periods", "terseLabel": "Adjustments recognized in the current period for income taxes of prior periods" } } }, "localname": "TaxEffectOfCurrentPeriodAdjustmentsForTaxOfPriorPeriods", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "tu_TaxEffectOfgainOnDisposition": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails": { "order": 2.0, "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount representing the tax effect of gain on disposition.", "label": "Tax Effect Of Gain On Disposition", "terseLabel": "Gain on disposition" } } }, "localname": "TaxEffectOfgainOnDisposition", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "monetaryItemType" }, "tu_TaxRateEffectForGainOnDisposition": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tax rate effect on gain on disposition.", "label": "Tax Rate Effect For Gain On Disposition", "terseLabel": "Tax rate effect for gain on disposition (as a percentage)" } } }, "localname": "TaxRateEffectForGainOnDisposition", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIncomeTaxesRateReconciliationsDetails" ], "xbrltype": "percentItemType" }, "tu_TelecommunicationBusinessMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information pertaining to telecommunication business.", "label": "Telecommunications business" } } }, "localname": "TelecommunicationBusinessMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCommunicationCompanyAndTeleMobileCompanyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pretraining to TELUS Communications Company and TELE-MOBILE COMPANY.", "label": "TELUS Communications Company and TELE-MOBILE COMPANY" } } }, "localname": "TelusCommunicationCompanyAndTeleMobileCompanyMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCommunicationIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pretraining to TELUS Communication Inc.", "label": "TELUS Communications Inc." } } }, "localname": "TelusCommunicationIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCommunicationsInc.DebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Communication Inc. debentures", "label": "TELUS Communications Inc. debentures" } } }, "localname": "TelusCommunicationsInc.DebenturesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationCommercialPaperMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation commercial paper.", "label": "TELUS Corporation commercial paper" } } }, "localname": "TelusCorporationCommercialPaperMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationConstructionCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a construction credit facility provided TELUS Corporation to a joint ventures.", "label": "TELUS Corporation Construction Credit Facility" } } }, "localname": "TelusCorporationConstructionCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation credit facility.", "label": "TELUS Corporation credit facility" } } }, "localname": "TelusCorporationCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCommercialPaperDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "n/a", "label": "Telus Corporation" } } }, "localname": "TelusCorporationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation notes.", "label": "TELUS Corporation senior notes" } } }, "localname": "TelusCorporationNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationPensionPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the pension plan that covers Management and professional employees in Alberta who joined us prior to January 1, 2001, and certain unionized employees who joined us prior to June 9, 2011.", "label": "TELUS Corporation Pension Plan" } } }, "localname": "TelusCorporationPensionPlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationPerformanceRestrictedStockUnitsCustomerConnectionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units that vest based on customer connection performance condition.", "label": "Restricted share units with total customer connections performance condition" } } }, "localname": "TelusCorporationPerformanceRestrictedStockUnitsCustomerConnectionMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationPerformanceRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units that vest based on certain performance condition.", "label": "Restricted share units with performance condition" } } }, "localname": "TelusCorporationPerformanceRestrictedStockUnitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationPerformanceRestrictedStockUnitsShareholderReturnMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units that vest based on shareholder return performance condition.", "label": "Restricted share units with relative total shareholder return performance condition" } } }, "localname": "TelusCorporationPerformanceRestrictedStockUnitsShareholderReturnMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationPerformanceRestrictedStockUnitsWithoutMarketConditionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units that vest based on certain performance conditions except market performance conditions.", "label": "Restricted share units without market performance conditions" } } }, "localname": "TelusCorporationPerformanceRestrictedStockUnitsWithoutMarketConditionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units.", "label": "TELUS Corporation restricted share units" } } }, "localname": "TelusCorporationRestrictedStockUnitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationServiceRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation restricted share units that vest based on service condition.", "label": "Restricted share units with only service conditions" } } }, "localname": "TelusCorporationServiceRestrictedStockUnitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationShareOptionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation share options.", "label": "TELUS Corporation shares", "terseLabel": "TELUS Corporation share options" } } }, "localname": "TelusCorporationShareOptionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables" ], "xbrltype": "domainItemType" }, "tu_TelusCorporationSubordinatedNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Telus Corporation subordinated notes.", "label": "TELUS Corporation subordinated notes" } } }, "localname": "TelusCorporationSubordinatedNotesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails" ], "xbrltype": "domainItemType" }, "tu_TelusEdmontonPensionPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Edmonton Pension Plan.", "label": "TELUS Edmonton Pension Plan" } } }, "localname": "TelusEdmontonPensionPlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_TelusGardenMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Garden, in Vancouver, British Columbia.", "label": "TELUS Garden" } } }, "localname": "TelusGardenMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateInvestmentActivityDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaInc.CreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. credit facility.", "label": "TELUS International (Cda) Inc. credit facility" } } }, "localname": "TelusInternationalCdaInc.CreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails", "http://www.telus.com/role/DisclosureCapitalStructureFinancialPoliciesDetails", "http://www.telus.com/role/DisclosureLongTermDebtDetails", "http://www.telus.com/role/DisclosureLongTermDebtTables", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaInc.RestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International restricted share units.", "label": "TELUS International (Cda) Inc restricted share units" } } }, "localname": "TelusInternationalCdaInc.RestrictedStockUnitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents information pertaining to TELUS International (Cda) Inc.", "label": "TELUS International (Cda) Inc." } } }, "localname": "TelusInternationalCdaIncMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails", "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsPriorPeriodDetails", "http://www.telus.com/role/DisclosureNotesToConsolidatedFinancialStatementsDetails", "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. restricted share units.", "label": "TELUS International (Cda) Inc. restricted share units" } } }, "localname": "TelusInternationalCdaIncRestrictedStockUnitsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncRestrictedStockUnitsUSDollarDenominatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The member stands for TELUS International (Cda) Inc. US $ denominated restricted share units.", "label": "TELUS International (Cda) Inc. Restricted Share Units US Dollar Denominated" } } }, "localname": "TelusInternationalCdaIncRestrictedStockUnitsUSDollarDenominatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncRevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the revolving component of the TELUS International (Cda) Inc. credit facility.", "label": "Revolving component" } } }, "localname": "TelusInternationalCdaIncRevolvingCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncShareOptionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. share options.", "label": "TELUS International (Cda) Inc. share options" } } }, "localname": "TelusInternationalCdaIncShareOptionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFairValueMeasurementsDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTables", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncShareOptionsUnitedStatesDollarDenominatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. share options denominated in US dollars.", "label": "Telus International (Cda) Inc. share options, U.S. $ denominated" } } }, "localname": "TelusInternationalCdaIncShareOptionsUnitedStatesDollarDenominatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaIncTermLoanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the term loan component of the TELUS International (Cda) Inc. credit facility.", "label": "Telus International Cda Inc term loan [member]", "terseLabel": "Term loan component" } } }, "localname": "TelusInternationalCdaIncTermLoanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdaShareOptionsCanadianDollarDenominatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. share options denominated in Canadian dollars.", "label": "TELUS International (Cda) Inc. share options, Canadian $ denominated" } } }, "localname": "TelusInternationalCdaShareOptionsCanadianDollarDenominatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusInternationalCdainc.SubordinatedVotingShareOptionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS International (Cda) Inc. subordinated voting share options member.", "label": "Telus International CdaInc. Subordinated Voting Share Options [Member]", "verboseLabel": "TELUS International (Cda) Inc. subordinated voting share options." } } }, "localname": "TelusInternationalCdainc.SubordinatedVotingShareOptionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusQuebecDefinedBenefitPensionPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Quebec Defined Benefit Pension Plan which covers any employee not governed by a collective agreement in Quebec who joined us prior to April 1, 2006, any non-supervisory employee governed by a collective agreement who joined us prior to September 6, 2006, and certain other unionized employees.", "label": "TELUS Quebec Defined Benefit Pension Plan" } } }, "localname": "TelusQuebecDefinedBenefitPensionPlanMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsPensionPlansDetails" ], "xbrltype": "domainItemType" }, "tu_TelusShareOptionsCanadianDollarDenominatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation share options denominated in Canadian dollar.", "label": "Share options Canadian $ denominated" } } }, "localname": "TelusShareOptionsCanadianDollarDenominatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusShareOptionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This members stands for TELUS Corporation share options.", "label": "TELUS share options [member]", "terseLabel": "TELUS Corporation share options" } } }, "localname": "TelusShareOptionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquityDetails", "http://www.telus.com/role/DisclosurePerShareAmountsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorporationShareOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationWeightedAverageAssumptionsUsedDetails" ], "xbrltype": "domainItemType" }, "tu_TelusShareOptionsUnitedStatesDollarDenominatedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation share options denominated in US dollar.", "label": "Share options U.S.$ denominated" } } }, "localname": "TelusShareOptionsUnitedStatesDollarDenominatedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusSkyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Sky, in Calgary, Alberta.", "label": "TELUS Sky" } } }, "localname": "TelusSkyMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_TelusTechnologySolutionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to Telus Technology solutions.", "label": "TELUS technology solutions" } } }, "localname": "TelusTechnologySolutionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "tu_TermLoanComponent": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Term loan component of the borrowings.", "label": "Term loan component", "terseLabel": "Term loan" } } }, "localname": "TermLoanComponent", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationCreditFacilityDetails", "http://www.telus.com/role/DisclosureLongTermDebtTelusInternationalCdaIncCreditFacilityOtherAndLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_TermOfFinanceLease": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the repayment term of the finance lease.", "label": "Term of Finance Lease", "terseLabel": "Repayment term of finance lease" } } }, "localname": "TermOfFinanceLease", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "durationItemType" }, "tu_ThreeCanadianFinancialInstitutionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Canadian financial institutions that provided construction financing facilities.", "label": "Three Canadian financial institutions" } } }, "localname": "ThreeCanadianFinancialInstitutionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails" ], "xbrltype": "domainItemType" }, "tu_ToEliminateEffectOfGrossSettlementOfDerivativesUsedToManageCurrencyRisksArisingFromLongTermDebtMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for the elimination of the effect of gross settlement of derivatives used to manage currency risks arising from U.S. dollar-denominated longterm debt.", "label": "To eliminate effect of gross settlement of derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt" } } }, "localname": "ToEliminateEffectOfGrossSettlementOfDerivativesUsedToManageCurrencyRisksArisingFromLongTermDebtMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureAdditionalStatementOfCashFlowInformationFinancingActivitiesDetails" ], "xbrltype": "domainItemType" }, "tu_TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetailss": { "order": 2.0, "parentTag": "tu_DefinedBenefitCostIncludedInNetIncome", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from post-employment benefit expense included in profit\n or loss relating to defined benefit plans.", "label": "Total increase (decrease) in net defined benefit liability (asset) resulting from post-employment benefit expense included in profit or loss relating to defined benefit plans", "negatedTotalLabel": "Total" } } }, "localname": "TotalIncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromPostEmploymentBenefitExpenseIncludedInProfitOrLossRelatingToDefinedBenefitPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails" ], "xbrltype": "monetaryItemType" }, "tu_TradeReceivableSecuritizationAgreementMaximumCapacity": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the amount of trade receivables that can be sold under the securitization agreement.", "label": "Trade Receivable Securitization Agreement Maximum Capacity", "terseLabel": "Trade receivables that can be sold under the securitization agreement" } } }, "localname": "TradeReceivableSecuritizationAgreementMaximumCapacity", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "tu_TradeReceivablesHeldForSale": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The face amount of accounts receivable that will be sold to other entities.", "label": "Trade Receivables Held For Sale", "terseLabel": "Trade receivables sold" } } }, "localname": "TradeReceivablesHeldForSale", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "monetaryItemType" }, "tu_TraditionalMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stands for information pertaining to gross employee benefits expense prior to adjustments for transformative compensation.", "label": "Traditional" } } }, "localname": "TraditionalMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "domainItemType" }, "tu_TraditionalPostemploymentBenefitExpenseDefinedContributionPlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of traditional post-employment benefit expense relating to defined contribution plans.", "label": "Traditional Postemployment Benefit Expense Defined Contribution Plans", "totalLabel": "Traditional" } } }, "localname": "TraditionalPostemploymentBenefitExpenseDefinedContributionPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TraditionalPostemploymentBenefitExpenseDefinedContributionPlansOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 2.0, "parentTag": "tu_TraditionalPostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of traditional post-employment benefit expense relating to defined contribution plans that the entity does not separately disclose in the same statement or note.", "label": "Traditional Postemployment Benefit Expense Defined Contribution Plans, Other", "terseLabel": "Traditional other defined contribution pension plans" } } }, "localname": "TraditionalPostemploymentBenefitExpenseDefinedContributionPlansOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TraditionalPostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 1.0, "parentTag": "tu_TraditionalPostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of post-employment benefit expense relating to defined contribution plans relating to union pension plan and public service pension plan.", "label": "Traditional Postemployment Benefit Expense Defined Contribution Plans, Union Pension And Public Service Plans", "terseLabel": "Traditional union pension plan and public service pension plan contributions" } } }, "localname": "TraditionalPostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TransactionsWithDefinedBenefitPensionPlansAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Transactions with defined benefit pension plans [abstract]", "terseLabel": "Transactions with defined benefit pension plans" } } }, "localname": "TransactionsWithDefinedBenefitPensionPlansAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "tu_TransactionsWithRealEstateJointVentureAndAssociate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Transactions with real estate joint venture and associate", "terseLabel": "Transactions with real estate joint venture and associate" } } }, "localname": "TransactionsWithRealEstateJointVentureAndAssociate", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "tu_TransactionsWithRealEstateJointVenturesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "No definition available.", "label": "Transactions With Real Estate Joint Ventures [abstract]", "terseLabel": "Transactions with real estate joint ventures" } } }, "localname": "TransactionsWithRealEstateJointVenturesAbstract", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "tu_TransformativeCompensationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stands for information pertaining to Transformative compensation, a portion of which is considered share-based compensation for accounting purpose.", "label": "Transformative compensation" } } }, "localname": "TransformativeCompensationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeBenefitsExpenseDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationExpenseDetails" ], "xbrltype": "domainItemType" }, "tu_TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of transformative compensation post-employment benefit expense relating to defined contribution plans.", "label": "Transformative Compensation Postemployment Benefit Expense Defined Contribution Plans", "totalLabel": "Transformative compensation" } } }, "localname": "TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlansOther": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 2.0, "parentTag": "tu_TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of transformative compensation post-employment benefit expense relating to defined contribution plans that the entity does not separately disclose in the same statement or note.", "label": "Transformative Compensation Postemployment Benefit Expense Defined Contribution Plans, Other", "terseLabel": "Transformative compensation other defined contribution pension plans" } } }, "localname": "TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlansOther", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails": { "order": 1.0, "parentTag": "tu_TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlans", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of transformative compensation post-employment benefit expense relating to defined contribution plans relating to union pension plan and public service pension plan.", "label": "Transformative Compensation Postemployment Benefit Expense Defined Contribution Plans, Union Pension And Public Service Plans", "terseLabel": "Transformative compensation union pension plan and public service pension plan contributions" } } }, "localname": "TransformativeCompensationPostemploymentBenefitExpenseDefinedContributionPlansUnionPensionAndPublicServicePlans", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedContributionPensionPlansExpenseDetails" ], "xbrltype": "monetaryItemType" }, "tu_TreasuryStockAcquiredShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.", "label": "Treasury Stock Acquired Shares", "negatedLabel": "Treasury shares acquired (in shares)" } } }, "localname": "TreasuryStockAcquiredShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_TreasuryStockRetiredShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares of common and preferred stock retired from treasury during the period.", "label": "Treasury Stock Retired Shares", "terseLabel": "Shares settled from Treasury (in shares)" } } }, "localname": "TreasuryStockRetiredShares", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/StatementConsolidatedStatementsOfChangesInOwnersEquity" ], "xbrltype": "sharesItemType" }, "tu_TwelveMonthPeriodEndingOneYearHenceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a time band of a twelve month period ending one year hence.", "label": "The 12-month period ending one year hence" } } }, "localname": "TwelveMonthPeriodEndingOneYearHenceMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "domainItemType" }, "tu_TwelveMonthPeriodEndingTwoYearsHenceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a time band of a twelve month period ending two years hence.", "label": "The 12-month period ending two years hence" } } }, "localname": "TwelveMonthPeriodEndingTwoYearsHenceMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails", "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersRevenuesDetails" ], "xbrltype": "domainItemType" }, "tu_TwoCanadianFinancialInstitutionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for two Canadian financial institutions that provided construction financing facilities.", "label": "Two Canadian financial institutions" } } }, "localname": "TwoCanadianFinancialInstitutionsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateCommitmentsAndContingentLiabilitiesDetails", "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_TypeOfLeaseArrangementAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by group of related lease arrangements. For example, but not limited to, leases grouped by facility or contractual terms.", "label": "Type of Lease Arrangement [Axis]" } } }, "localname": "TypeOfLeaseArrangementAxis", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "stringItemType" }, "tu_TypeOfLeaseArrangementDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Group of related lease arrangements. For example, but not limited to, leases grouped by facility or contractual terms.", "label": "Type of Lease Arrangement [Domain]" } } }, "localname": "TypeOfLeaseArrangementDomain", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_U.s.DollarNotes2.80PercentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 2.80% U.S. Dollar Notes issued in September 2016.", "label": "2.80% U.S. Dollar Notes" } } }, "localname": "U.s.DollarNotes2.80PercentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_U.s.DollarNotes3.70PercentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 3.70% U.S. Dollar Notes issued in March 2017.", "label": "3.70% U.S. Dollar Notes" } } }, "localname": "U.s.DollarNotes3.70PercentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_U.s.DollarNotes4.30PercentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.30% U.S. Dollar Notes issued in May 2019.", "label": "4.30% U.S. Dollar Notes" } } }, "localname": "U.s.DollarNotes4.30PercentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_U.s.DollarNotes4.60PercentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 4.60% U.S. Dollar Notes issued in June 2018.", "label": "4.60% U.S. Dollar Notes" } } }, "localname": "U.s.DollarNotes4.60PercentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_U.sDollarNotes2.80PercentAnd3.70PercentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for TELUS Corporation 2.80% U.S. Dollar Notes issued in September 2016 and 3.70% U.S. Dollar Notes issued in March 2017.", "label": "2.80% and 3.70% U.S. Dollar Notes" } } }, "localname": "U.sDollarNotes2.80PercentAnd3.70PercentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtTelusCorporationSeniorNotesDetails" ], "xbrltype": "domainItemType" }, "tu_UnbilledCustomerFinanceReceivables": { "auth_ref": [], "calculation": { "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails": { "order": 5.0, "parentTag": "ifrs-full_OtherNoncurrentAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The unbilled amount of customer finance receivables.", "label": "Unbilled customer finance receivables" } } }, "localname": "UnbilledCustomerFinanceReceivables", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOtherLongTermAssetsDetails" ], "xbrltype": "monetaryItemType" }, "tu_UnbilledCustomerFinanceReceivablesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for unbilled customer finance receivables.", "label": "Unbilled customer finance receivables [member]", "terseLabel": "Unbilled customer finance receivables" } } }, "localname": "UnbilledCustomerFinanceReceivablesMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "tu_UndiscountedContractualMaturitiesFinanceLeaseObligations": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of contractual undiscounted cash flows in relation to finance lease obligations.", "label": "Undiscounted Contractual Maturities, Finance Lease Obligations", "terseLabel": "Undiscounted contractual maturities - Finance leases" } } }, "localname": "UndiscountedContractualMaturitiesFinanceLeaseObligations", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLongTermDebtLongTermDebtMaturitiesDetails" ], "xbrltype": "monetaryItemType" }, "tu_UnfundedDefinedBenefitPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for unfunded defined benefit pension plans.", "label": "Unfunded Defined Benefit Pension Plans" } } }, "localname": "UnfundedDefinedBenefitPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsFutureBenefitPaymentsDetails" ], "xbrltype": "domainItemType" }, "tu_UnfundedDefinedBenefitPlanPensionPlansMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for defined benefit plans that have defined benefit obligations accrued in excess of plan assets that are not funded.", "label": "Pension plans that have defined benefit obligations accrued in excess of plan assets - Unfunded" } } }, "localname": "UnfundedDefinedBenefitPlanPensionPlansMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDefinedBenefitPensionPlansSummaryDetails", "http://www.telus.com/role/DisclosureEmployeeFutureBenefitsDisaggregationOfDefinedBenefitPensionDetails" ], "xbrltype": "domainItemType" }, "tu_UnsecuredSingleDrawDownNonRevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for an unsecured, single-drawdown, non-revolving credit facility.", "label": "Unsecured, single-drawdown, non-revolving credit facility" } } }, "localname": "UnsecuredSingleDrawDownNonRevolvingCreditFacilityMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShortTermBorrowingsDetails" ], "xbrltype": "domainItemType" }, "tu_ValueOfCommonSharesDonated": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The value of Common Shares that were donated.", "label": "Value Of Common Shares Donated", "terseLabel": "Value of common shares donated" } } }, "localname": "ValueOfCommonSharesDonated", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRealEstateJointVenturesAndInvestmentInAssociateSummarizedFinancialInformationDetails", "http://www.telus.com/role/DisclosureRestructuringAndOtherCostsDetails" ], "xbrltype": "monetaryItemType" }, "tu_VariablePayoutOfAwardsInSharebasedPaymentArrangement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of variable payout of actual awards in a share-based payment arrangement.", "label": "Variable Payout Of Awards In Share-based Payment Arrangement", "terseLabel": "Variable payout (as a percent)" } } }, "localname": "VariablePayoutOfAwardsInSharebasedPaymentArrangement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncShareOptionsDetails" ], "xbrltype": "percentItemType" }, "tu_VestingLifeOfShareBasedAwards": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The typical vesting life of awards in a share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days", "label": "Vesting Life OF Share Based Awards", "terseLabel": "Vesting period", "verboseLabel": "Typical vesting period" } } }, "localname": "VestingLifeOfShareBasedAwards", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationGeneralOptionsDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationRestrictedShareUnitsDetails" ], "xbrltype": "durationItemType" }, "tu_VotingEquityInterestsIncludedInWrittenPutOptionProvidedToShareholdersPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of shares remaining that were included in the written put option provided to the non-controlling shareholders.", "label": "Voting Equity Interests Included In Written Put Option Provided to Shareholders Percentage", "terseLabel": "Percentage of shares remaining that were included in the written put option provided to the non-controlling shareholders" } } }, "localname": "VotingEquityInterestsIncludedInWrittenPutOptionProvidedToShareholdersPercentage", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "percentItemType" }, "tu_VoxproLimitedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Voxpro Limited.", "label": "Voxpro Limited" } } }, "localname": "VoxproLimitedMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "tu_WeightedAverageAgeOfPastDueReceivables": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average age of past-due receivables, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Weighted Average Age of Past-Due Receivables", "terseLabel": "Weighted average age of past-due receivables" } } }, "localname": "WeightedAverageAgeOfPastDueReceivables", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "durationItemType" }, "tu_WeightedAverageAgeOfReceivables": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average age of receivables, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Weighted Average Age of Receivables", "terseLabel": "Weighted average age of receivables" } } }, "localname": "WeightedAverageAgeOfReceivables", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails" ], "xbrltype": "durationItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateEquityInstrumentsGranted": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The weighted average fair value of equity instruments granted during the period at the measurement date.", "label": "Weighted Average Fair Value At Measurement Date Equity Instruments Granted", "terseLabel": "Grant date Awarded in period" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateEquityInstrumentsGranted", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsForfeitedAndCancelledInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options forfeited and cancelled during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Forfeited And Cancelled In Period", "terseLabel": "Forfeited" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsForfeitedAndCancelledInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGrantedInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options granted during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Granted In Period", "terseLabel": "Granted - Initial award" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGrantedInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsIssuedInLieuOfDividendsInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options issued in lieu of dividends during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Issued In Lieu Of Dividends In Period", "terseLabel": "In lieu of dividends" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsIssuedInLieuOfDividendsInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsIssuedInVariablePayoutRelated": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options issued in variable payout related during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Issued In Variable Payout Related", "terseLabel": "Variable payout related" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsIssuedInVariablePayoutRelated", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsNonVested": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of non-vested equity instruments other than share options.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Non Vested", "periodEndLabel": "Outstanding, end of period, non-vested", "periodStartLabel": "Outstanding, beginning of period, non-vested" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsNonVested", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsNonvested": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of non-vested equity instruments other than share options.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Nonvested", "periodEndLabel": "Outstanding, end of period, non-vested", "periodStartLabel": "Outstanding, beginning of period, non-vested" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsNonvested", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsSettledInCashInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options settled in cash during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Settled In Cash In Period", "terseLabel": "Settled in cash" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsSettledInCashInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsSettledInEquityInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options settled in equity during the period.", "label": "Weighted Average Fair Value at Measurement Date other Equity Instruments Settled in Equity in Period", "terseLabel": "Settled in equity" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsSettledInEquityInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsVested": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of vested equity instruments other than share options.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Vested", "periodEndLabel": "Outstanding, end of period, vested", "periodStartLabel": "Outstanding, beginning of period, vested" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsVested", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsVestedInPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at the measurement date of equity instruments other than share options vested during the period.", "label": "Weighted Average Fair Value At Measurement Date Other Equity Instruments Vested In Period", "terseLabel": "Vested" } } }, "localname": "WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsVestedInPeriod", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureShareBasedCompensationTelusCorpRestrictedShareUnitsActivityDetails", "http://www.telus.com/role/DisclosureShareBasedCompensationTelusInternationalCdaIncRestrictedShareUnitsDetails" ], "xbrltype": "perShareItemType" }, "tu_WeightedAverageTermOfLeases": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average term of leases.", "label": "Weighted average term of leases", "terseLabel": "Weighted average term of leases" } } }, "localname": "WeightedAverageTermOfLeases", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "durationItemType" }, "tu_WirelessCashGeneratingUnitMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "\" \nThis member stands for the aggregate of Wireless cash-generating units for which the amount of goodwill or intangible assets with indefinite useful lives is not significant.\"", "label": "Wireless" } } }, "localname": "WirelessCashGeneratingUnitMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "tu_WirelessMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stands for information pertaining to Wireless Segment.", "label": "Wireless." } } }, "localname": "WirelessMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_WirelessSegmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for wireless segment.", "label": "Wireless segment" } } }, "localname": "WirelessSegmentMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRevenueFromContractsWithCustomersContractAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_WirelessSiteMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member represents wireless site leases.", "label": "Wireless site leases" } } }, "localname": "WirelessSiteMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureLeasesDetails" ], "xbrltype": "domainItemType" }, "tu_WirelineCashGeneratingUnitMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "\" \nThis member stands for the aggregate of Wireline cash-generating units for which the amount of goodwill or intangible assets with indefinite useful lives is not significant.\"", "label": "Wireline" } } }, "localname": "WirelineCashGeneratingUnitMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillIntangibleAssetsWithIndefiniteLivesAndGoodwillSpectrumLicencesAndImpairmentTestingDetails" ], "xbrltype": "domainItemType" }, "tu_WirelineMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stands for information pertaining to Wireline Segment", "label": "Wireline." } } }, "localname": "WirelineMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureOwnersEquitySubsidiaryWithSignificantNonControllingInterestDetails", "http://www.telus.com/role/DisclosureSegmentInformationOperatingRevenueDetails" ], "xbrltype": "domainItemType" }, "tu_WirelineSubscriberBaseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a class of intangible assets representing intangible wireline subscriber base.", "label": "Wireline subscriber base" } } }, "localname": "WirelineSubscriberBaseMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureSummaryOfSignificantAccountingPoliciesUsefulLivesIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "tu_WrittenOffAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cumulative written off amounts charged to allowance for doubtful accounts which are still subject to enforcement activity.", "label": "Written off Amounts Charged to Allowance for Doubtful Accounts, Financial Assets Still subject to Enforcement", "terseLabel": "Written off amounts charged to allowance for doubtful accounts still subject to enforcement" } } }, "localname": "WrittenOffAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsAccountsReceivableDetails", "http://www.telus.com/role/DisclosureFinancialInstrumentsDerivativeGainsAndLossesDetails" ], "xbrltype": "monetaryItemType" }, "tu_WrittenOffDuringPeriodAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amounts charged to allowance for doubtful accounts which are still subject to enforcement activity that were of written off during the period.", "label": "Written Off During Period Amounts Charged To Allowance For Doubtful Accounts Financial Assets Still Subject To Enforcement", "terseLabel": "Accounts written off during the period that were still subject to enforcement activity" } } }, "localname": "WrittenOffDuringPeriodAmountsChargedToAllowanceForDoubtfulAccountsFinancialAssetsStillSubjectToEnforcement", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureFinancialInstrumentsActivityRelatedToAllowanceForDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "tu_WrittenPutOptionProvisionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a provision for written put options granted to shareholders of acquired entities.", "label": "Written put options" } } }, "localname": "WrittenPutOptionProvisionMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureRelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "tu_WrittenPutOptionsAndContingentConsiderationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for a provision for written put options and contingent consideration granted to shareholders of acquired entities.", "label": "Written put options and contingent consideration" } } }, "localname": "WrittenPutOptionsAndContingentConsiderationMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureProvisionsDetails" ], "xbrltype": "domainItemType" }, "tu_XavientInformationSystemsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This member stands for Xavient Information Systems.", "label": "Xavient Information Systems" } } }, "localname": "XavientInformationSystemsMember", "nsuri": "http://www.telus.com/20211231", "presentation": [ "http://www.telus.com/role/DisclosureIntangibleAssetsAndGoodwillBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" } }, "unitCount": 17 } }, "std_ref": { "r0": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "10", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard", "URIDate": "2021-03-24" }, "r1": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "102", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard", "URIDate": "2021-03-24" }, "r10": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106&doctype=Standard", "URIDate": "2021-03-24" }, "r100": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "75", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_b&doctype=Standard", "URIDate": "2021-03-24" }, "r101": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI", "URIDate": "2021-03-24" }, "r102": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "135", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_135_b&doctype=Standard", "URIDate": "2021-03-24" }, "r103": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_a&doctype=Standard", "URIDate": "2021-03-24" }, "r104": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_b&doctype=Standard", "URIDate": "2021-03-24" }, "r105": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_d&doctype=Standard", "URIDate": "2021-03-24" }, "r106": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "138", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_e&doctype=Standard", "URIDate": "2021-03-24" }, "r107": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "138", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138&doctype=Standard", "URIDate": "2021-03-24" }, "r108": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "140", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r109": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "140", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r11": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106A&doctype=Standard", "URIDate": "2021-03-24" }, "r110": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "140", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r111": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "140", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard", "URIDate": "2021-03-24" }, "r112": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_a&doctype=Standard", "URIDate": "2021-03-24" }, "r113": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_b&doctype=Standard", "URIDate": "2021-03-24" }, "r114": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_c_i&doctype=Standard", "URIDate": "2021-03-24" }, "r115": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_c_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r116": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_c_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r117": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_c_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r118": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_d&doctype=Standard", "URIDate": "2021-03-24" }, "r119": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_f&doctype=Standard", "URIDate": "2021-03-24" }, "r12": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "108", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_108&doctype=Standard", "URIDate": "2021-03-24" }, "r120": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_g&doctype=Standard", "URIDate": "2021-03-24" }, "r121": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "141", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141&doctype=Standard", "URIDate": "2021-03-24" }, "r122": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_a&doctype=Standard", "URIDate": "2021-03-24" }, "r123": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_b&doctype=Standard", "URIDate": "2021-03-24" }, "r124": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_c&doctype=Standard", "URIDate": "2021-03-24" }, "r125": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_d&doctype=Standard", "URIDate": "2021-03-24" }, "r126": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_g&doctype=Standard", "URIDate": "2021-03-24" }, "r127": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "142", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142&doctype=Standard", "URIDate": "2021-03-24" }, "r128": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "144", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_144&doctype=Standard", "URIDate": "2021-03-24" }, "r129": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "145", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145_a&doctype=Standard", "URIDate": "2021-03-24" }, "r13": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "112", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard", "URIDate": "2021-03-24" }, "r130": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "145", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145&doctype=Standard", "URIDate": "2021-03-24" }, "r131": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "147", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_147_b&doctype=Standard", "URIDate": "2021-03-24" }, "r132": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "147", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_147_c&doctype=Standard", "URIDate": "2021-03-24" }, "r133": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "148", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_148_d_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r134": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "5", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_5&doctype=Standard", "URIDate": "2021-03-24" }, "r135": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "53", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_53&doctype=Standard", "URIDate": "2021-03-24" }, "r136": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "57", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_57_a&doctype=Standard", "URIDate": "2021-03-24" }, "r137": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Paragraph": "9", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_9&doctype=Standard", "URIDate": "2021-03-24" }, "r138": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "19", "Section": "Scope", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS19_g2-7_TI", "URIDate": "2021-03-24" }, "r139": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "2", "Paragraph": "36", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_36_a&doctype=Standard", "URIDate": "2021-03-24" }, "r14": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "117", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_117_b&doctype=Standard", "URIDate": "2021-03-24" }, "r140": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "2", "Paragraph": "37", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard", "URIDate": "2021-03-24" }, "r141": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "20", "Paragraph": "39", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2021-en-r&anchor=para_39_a&doctype=Standard", "URIDate": "2021-03-24" }, "r142": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "21", "Paragraph": "52", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_b&doctype=Standard", "URIDate": "2021-03-24" }, "r143": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "23", "Paragraph": "26", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2021-en-r&anchor=para_26_b&doctype=Standard", "URIDate": "2021-03-24" }, "r144": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard", "URIDate": "2021-03-24" }, "r145": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard", "URIDate": "2021-03-24" }, "r146": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_d&doctype=Standard", "URIDate": "2021-03-24" }, "r147": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "17", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_e&doctype=Standard", "URIDate": "2021-03-24" }, "r148": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "17", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard", "URIDate": "2021-03-24" }, "r149": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "19", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19_c&doctype=Standard", "URIDate": "2021-03-24" }, "r15": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "117", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_117&doctype=Standard", "URIDate": "2021-03-24" }, "r150": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "19", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19_d&doctype=Standard", "URIDate": "2021-03-24" }, "r151": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "19", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19_f&doctype=Standard", "URIDate": "2021-03-24" }, "r152": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "19", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19&doctype=Standard", "URIDate": "2021-03-24" }, "r153": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Paragraph": "21", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_d&doctype=Standard", "URIDate": "2021-03-24" }, "r154": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "24", "Section": "Disclosures", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS24_g13-24_TI", "URIDate": "2021-03-24" }, "r155": { "Clause": "viii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "26", "Paragraph": "35", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2021-en-r&anchor=para_35_b_viii&doctype=Standard", "URIDate": "2021-03-24" }, "r156": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "27", "Paragraph": "16", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_16_b_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r157": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "27", "Paragraph": "16", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_16_b&doctype=Standard", "URIDate": "2021-03-24" }, "r158": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "27", "Paragraph": "17", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_17_b_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r159": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "27", "Paragraph": "17", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard", "URIDate": "2021-03-24" }, "r16": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "134", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_134&doctype=Standard", "URIDate": "2021-03-24" }, "r160": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "32", "Paragraph": "IE33", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=32&code=ifrs-tx-2021-en-r&anchor=para_IE33&doctype=Illustrative%20Examples", "URIDate": "2021-03-24" }, "r161": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "33", "Paragraph": "66", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard", "URIDate": "2021-03-24" }, "r162": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "33", "Paragraph": "67", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_67&doctype=Standard", "URIDate": "2021-03-24" }, "r163": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "33", "Paragraph": "70", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_b&doctype=Standard", "URIDate": "2021-03-24" }, "r164": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "33", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI", "URIDate": "2021-03-24" }, "r165": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "34", "Paragraph": "16A", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=34&code=ifrs-tx-2021-en-r&anchor=para_16A_f&doctype=Standard", "URIDate": "2021-03-24" }, "r166": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "126", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_126&doctype=Standard", "URIDate": "2021-03-24" }, "r167": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "127", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_127&doctype=Standard", "URIDate": "2021-03-24" }, "r168": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "130", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_b&doctype=Standard", "URIDate": "2021-03-24" }, "r169": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "130", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_d_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r17": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "136", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_136&doctype=Standard", "URIDate": "2021-03-24" }, "r170": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_a&doctype=Standard", "URIDate": "2021-03-24" }, "r171": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_b&doctype=Standard", "URIDate": "2021-03-24" }, "r172": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r173": { "Clause": "v", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_v&doctype=Standard", "URIDate": "2021-03-24" }, "r174": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r175": { "Clause": "v", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_v&doctype=Standard", "URIDate": "2021-03-24" }, "r176": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "134", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134&doctype=Standard", "URIDate": "2021-03-24" }, "r177": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "135", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_135_a&doctype=Standard", "URIDate": "2021-03-24" }, "r178": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "135", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_135_b&doctype=Standard", "URIDate": "2021-03-24" }, "r179": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "36", "Paragraph": "135", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_135&doctype=Standard", "URIDate": "2021-03-24" }, "r18": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "20", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_20_d&doctype=Standard", "URIDate": "2021-03-24" }, "r180": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "84", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_a&doctype=Standard", "URIDate": "2021-03-24" }, "r181": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "84", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_b&doctype=Standard", "URIDate": "2021-03-24" }, "r182": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "84", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_c&doctype=Standard", "URIDate": "2021-03-24" }, "r183": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "84", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_d&doctype=Standard", "URIDate": "2021-03-24" }, "r184": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "84", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84&doctype=Standard", "URIDate": "2021-03-24" }, "r185": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "86", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_86_a&doctype=Standard", "URIDate": "2021-03-24" }, "r186": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "86", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_86&doctype=Standard", "URIDate": "2021-03-24" }, "r187": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Paragraph": "88", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_88&doctype=Standard", "URIDate": "2021-03-24" }, "r188": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "37", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS37_g84-92_TI", "URIDate": "2021-03-24" }, "r189": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_a&doctype=Standard", "URIDate": "2021-03-24" }, "r19": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard", "URIDate": "2021-03-24" }, "r190": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_c&doctype=Standard", "URIDate": "2021-03-24" }, "r191": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard", "URIDate": "2021-03-24" }, "r192": { "Clause": "vi", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vi&doctype=Standard", "URIDate": "2021-03-24" }, "r193": { "Clause": "vii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vii&doctype=Standard", "URIDate": "2021-03-24" }, "r194": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e&doctype=Standard", "URIDate": "2021-03-24" }, "r195": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "118", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118&doctype=Standard", "URIDate": "2021-03-24" }, "r196": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "119", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_119_c&doctype=Standard", "URIDate": "2021-03-24" }, "r197": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "119", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_119_g&doctype=Standard", "URIDate": "2021-03-24" }, "r198": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "119", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_119&doctype=Standard", "URIDate": "2021-03-24" }, "r199": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "122", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_122_a&doctype=Standard", "URIDate": "2021-03-24" }, "r2": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "103", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard", "URIDate": "2021-03-24" }, "r20": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_b&doctype=Standard", "URIDate": "2021-03-24" }, "r200": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Paragraph": "122", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_122_e&doctype=Standard", "URIDate": "2021-03-24" }, "r201": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "38", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS38_g118-128_TI", "URIDate": "2021-03-24" }, "r202": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "39", "Paragraph": "86", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=39&code=ifrs-tx-2021-en-r&anchor=para_86_b&doctype=Standard", "URIDate": "2021-03-24" }, "r203": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "40", "Paragraph": "32A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_32A&doctype=Standard", "URIDate": "2021-03-24" }, "r204": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "40", "Paragraph": "76", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76&doctype=Standard", "URIDate": "2021-03-24" }, "r205": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "40", "Paragraph": "79", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_c&doctype=Standard", "URIDate": "2021-03-24" }, "r206": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "40", "Paragraph": "79", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d&doctype=Standard", "URIDate": "2021-03-24" }, "r207": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "41", "Paragraph": "50", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=41&code=ifrs-tx-2021-en-r&anchor=para_50&doctype=Standard", "URIDate": "2021-03-24" }, "r208": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "41", "Paragraph": "54", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=41&code=ifrs-tx-2021-en-r&anchor=para_54_f&doctype=Standard", "URIDate": "2021-03-24" }, "r209": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "10", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_10&doctype=Standard", "URIDate": "2021-03-24" }, "r21": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_c&doctype=Standard", "URIDate": "2021-03-24" }, "r210": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "14", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_14&doctype=Standard", "URIDate": "2021-03-24" }, "r211": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "16", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_a&doctype=Standard", "URIDate": "2021-03-24" }, "r212": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "16", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard", "URIDate": "2021-03-24" }, "r213": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "17", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard", "URIDate": "2021-03-24" }, "r214": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "17", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard", "URIDate": "2021-03-24" }, "r215": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "18", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard", "URIDate": "2021-03-24" }, "r216": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "20", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_a&doctype=Standard", "URIDate": "2021-03-24" }, "r217": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "20", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_b&doctype=Standard", "URIDate": "2021-03-24" }, "r218": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "20", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard", "URIDate": "2021-03-24" }, "r219": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "21", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_21&doctype=Standard", "URIDate": "2021-03-24" }, "r22": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "h", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_h&doctype=Standard", "URIDate": "2021-03-24" }, "r220": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "31", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard", "URIDate": "2021-03-24" }, "r221": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "35", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard", "URIDate": "2021-03-24" }, "r222": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "44B", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44B_c&doctype=Standard", "URIDate": "2021-03-24" }, "r223": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "44B", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44B_e&doctype=Standard", "URIDate": "2021-03-24" }, "r224": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "44C", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44C&doctype=Standard", "URIDate": "2021-03-24" }, "r225": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "44D", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44D&doctype=Standard", "URIDate": "2021-03-24" }, "r226": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "45", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard", "URIDate": "2021-03-24" }, "r227": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "50", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_50_a&doctype=Standard", "URIDate": "2021-03-24" }, "r228": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Paragraph": "50", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_50_d&doctype=Standard", "URIDate": "2021-03-24" }, "r229": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Section": "C Reconciliation of liabilities arising from financing activities", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_C__IAS07_IE_C_TI", "URIDate": "2021-03-24" }, "r23": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "i", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_i&doctype=Standard", "URIDate": "2021-03-24" }, "r230": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "7", "Section": "Presentation of a statement of cash flows", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS07_g10-17_TI", "URIDate": "2021-03-24" }, "r231": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Paragraph": "28", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_f_i&doctype=Standard", "URIDate": "2021-03-24" }, "r232": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Paragraph": "28", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_g&doctype=Standard", "URIDate": "2021-03-24" }, "r233": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Paragraph": "28", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard", "URIDate": "2021-03-24" }, "r234": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Paragraph": "29", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_29_c_i&doctype=Standard", "URIDate": "2021-03-24" }, "r235": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Paragraph": "49", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_49_b_i&doctype=Standard", "URIDate": "2021-03-24" }, "r236": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "8", "Section": "Accounting policies", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS08_g7-31_TI", "URIDate": "2021-03-24" }, "r237": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "1", "Paragraph": "24", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_a&doctype=Standard", "URIDate": "2021-03-24" }, "r238": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "1", "Paragraph": "24", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard", "URIDate": "2021-03-24" }, "r239": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "1", "Paragraph": "32", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r24": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "k", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_k&doctype=Standard", "URIDate": "2021-03-24" }, "r240": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "1", "Paragraph": "32", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r241": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "10", "Paragraph": "22", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2021-en-r&anchor=para_22&doctype=Standard", "URIDate": "2021-03-24" }, "r242": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "12", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_c&doctype=Standard", "URIDate": "2021-03-24" }, "r243": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "12", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_e&doctype=Standard", "URIDate": "2021-03-24" }, "r244": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "12", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_f&doctype=Standard", "URIDate": "2021-03-24" }, "r245": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "12", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12&doctype=Standard", "URIDate": "2021-03-24" }, "r246": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "18", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_18&doctype=Standard", "URIDate": "2021-03-24" }, "r247": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "19B", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_19B_c&doctype=Standard", "URIDate": "2021-03-24" }, "r248": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "21", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_21_a_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r249": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "7", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard", "URIDate": "2021-03-24" }, "r25": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "m", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_m&doctype=Standard", "URIDate": "2021-03-24" }, "r250": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B10", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r251": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_i&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r252": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_ii&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r253": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r254": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_iv&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r255": { "Clause": "ix", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r256": { "Clause": "v", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r257": { "Clause": "viii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B12", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r258": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r259": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_b&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r26": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "n", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_n&doctype=Standard", "URIDate": "2021-03-24" }, "r260": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r261": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r262": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r263": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B13", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r264": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r265": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_b&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r266": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r267": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "12", "Paragraph": "B4", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_e&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r268": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard", "URIDate": "2021-03-24" }, "r269": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard", "URIDate": "2021-03-24" }, "r27": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "o", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_o&doctype=Standard", "URIDate": "2021-03-24" }, "r270": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "93", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard", "URIDate": "2021-03-24" }, "r271": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "93", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93&doctype=Standard", "URIDate": "2021-03-24" }, "r272": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "94", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_94&doctype=Standard", "URIDate": "2021-03-24" }, "r273": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "97", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard", "URIDate": "2021-03-24" }, "r274": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "B6", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_B6&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r275": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "IE60", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_IE60&doctype=Illustrative%20Examples", "URIDate": "2021-03-24" }, "r276": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "13", "Paragraph": "IE63", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_IE63&doctype=Illustrative%20Examples", "URIDate": "2021-03-24" }, "r277": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "14", "Paragraph": "20", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2021-en-r&anchor=para_20_b&doctype=Standard", "URIDate": "2021-03-24" }, "r278": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "14", "Paragraph": "33", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2021-en-r&anchor=para_33_a&doctype=Standard", "URIDate": "2021-03-24" }, "r279": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "14", "Paragraph": "33", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2021-en-r&anchor=para_33_b&doctype=Standard", "URIDate": "2021-03-24" }, "r28": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "p", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_p&doctype=Standard", "URIDate": "2021-03-24" }, "r280": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "14", "Paragraph": "35", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard", "URIDate": "2021-03-24" }, "r281": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "105", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard", "URIDate": "2021-03-24" }, "r282": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "113", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_113_a&doctype=Standard", "URIDate": "2021-03-24" }, "r283": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "114", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_114&doctype=Standard", "URIDate": "2021-03-24" }, "r284": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "115", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_115&doctype=Standard", "URIDate": "2021-03-24" }, "r285": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "116", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard", "URIDate": "2021-03-24" }, "r286": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "116", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_b&doctype=Standard", "URIDate": "2021-03-24" }, "r287": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "118", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118_a&doctype=Standard", "URIDate": "2021-03-24" }, "r288": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "118", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118&doctype=Standard", "URIDate": "2021-03-24" }, "r289": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "120", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_120_a&doctype=Standard", "URIDate": "2021-03-24" }, "r29": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "q", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_q&doctype=Standard", "URIDate": "2021-03-24" }, "r290": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "120", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_120_b_i&doctype=Standard", "URIDate": "2021-03-24" }, "r291": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "128", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_128_a&doctype=Standard", "URIDate": "2021-03-24" }, "r292": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "128", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_128_b&doctype=Standard", "URIDate": "2021-03-24" }, "r293": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "B89", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_a&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r294": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Paragraph": "B89", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r295": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g110-129_TI", "URIDate": "2021-03-24" }, "r296": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "15", "Section": "Presentation", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g105-109_TI", "URIDate": "2021-03-24" }, "r297": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "33", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_33&doctype=Standard", "URIDate": "2021-03-24" }, "r298": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "47", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard", "URIDate": "2021-03-24" }, "r299": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_b&doctype=Standard", "URIDate": "2021-03-24" }, "r3": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "104", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_104&doctype=Standard", "URIDate": "2021-03-24" }, "r30": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "54", "Subparagraph": "r", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_r&doctype=Standard", "URIDate": "2021-03-24" }, "r300": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "53", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_f&doctype=Standard", "URIDate": "2021-03-24" }, "r301": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "53", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53&doctype=Standard", "URIDate": "2021-03-24" }, "r302": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "94", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_94&doctype=Standard", "URIDate": "2021-03-24" }, "r303": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Paragraph": "97", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard", "URIDate": "2021-03-24" }, "r304": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS16_g51-60_TI", "URIDate": "2021-03-24" }, "r305": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "16", "Section": "Presentation", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS16_g47-50_TI", "URIDate": "2021-03-24" }, "r306": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "44", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_44&doctype=Standard", "URIDate": "2021-03-24" }, "r307": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard", "URIDate": "2021-03-24" }, "r308": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r309": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r31": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "55", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard", "URIDate": "2021-03-24" }, "r310": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r311": { "Clause": "v", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_v&doctype=Standard", "URIDate": "2021-03-24" }, "r312": { "Clause": "vi", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard", "URIDate": "2021-03-24" }, "r313": { "Clause": "vii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vii&doctype=Standard", "URIDate": "2021-03-24" }, "r314": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b&doctype=Standard", "URIDate": "2021-03-24" }, "r315": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard", "URIDate": "2021-03-24" }, "r316": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "45", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard", "URIDate": "2021-03-24" }, "r317": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "47", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r318": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "47", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a&doctype=Standard", "URIDate": "2021-03-24" }, "r319": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "47", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard", "URIDate": "2021-03-24" }, "r32": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "56", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_56&doctype=Standard", "URIDate": "2021-03-24" }, "r320": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "50", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_50&doctype=Standard", "URIDate": "2021-03-24" }, "r321": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "51", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_a&doctype=Standard", "URIDate": "2021-03-24" }, "r322": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "2", "Paragraph": "51", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_b_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r323": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r324": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r325": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_iv&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r326": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r327": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_g_i&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r328": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "h", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_h_i&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r329": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "i", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r33": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "61", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_61_a&doctype=Standard", "URIDate": "2021-03-24" }, "r330": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "Subparagraph": "k", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_k&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r331": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B64", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r332": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B65", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B65&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r333": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B67", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r334": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B67", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r335": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "B67", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r336": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Paragraph": "IE72", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_IE72&doctype=Illustrative%20Examples", "URIDate": "2021-03-24" }, "r337": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "3", "Section": "Disclosures application of paragraphs 59 and 61", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&doctype=Appendix&subtype=B&dita_xref=IFRS03_gB64-B67_TI", "URIDate": "2021-03-24" }, "r338": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "5", "Paragraph": "33", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_i&doctype=Standard", "URIDate": "2021-03-24" }, "r339": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "5", "Paragraph": "38", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_38&doctype=Standard", "URIDate": "2021-03-24" }, "r34": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "61", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_61_b&doctype=Standard", "URIDate": "2021-03-24" }, "r340": { "Clause": "vii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "20", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_a_vii&doctype=Standard", "URIDate": "2021-03-24" }, "r341": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "21C", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_21C&doctype=Standard", "URIDate": "2021-03-24" }, "r342": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "23B", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_23B_a&doctype=Standard", "URIDate": "2021-03-24" }, "r343": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "24A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24A&doctype=Standard", "URIDate": "2021-03-24" }, "r344": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "24B", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24B&doctype=Standard", "URIDate": "2021-03-24" }, "r345": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "24C", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24C_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r346": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "24C", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24C_b_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r347": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "24C", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24C&doctype=Standard", "URIDate": "2021-03-24" }, "r348": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "25", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard", "URIDate": "2021-03-24" }, "r349": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "31", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard", "URIDate": "2021-03-24" }, "r35": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "61", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_61&doctype=Standard", "URIDate": "2021-03-24" }, "r350": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "32", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_32&doctype=Standard", "URIDate": "2021-03-24" }, "r351": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "33", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_33&doctype=Standard", "URIDate": "2021-03-24" }, "r352": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "34", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard", "URIDate": "2021-03-24" }, "r353": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35H", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H_b_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r354": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35H", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H&doctype=Standard", "URIDate": "2021-03-24" }, "r355": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35I", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I_a&doctype=Standard", "URIDate": "2021-03-24" }, "r356": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35I", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I_c&doctype=Standard", "URIDate": "2021-03-24" }, "r357": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35I", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I&doctype=Standard", "URIDate": "2021-03-24" }, "r358": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35K", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35K_a&doctype=Standard", "URIDate": "2021-03-24" }, "r359": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35K", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35K&doctype=Standard", "URIDate": "2021-03-24" }, "r36": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "66", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard", "URIDate": "2021-03-24" }, "r360": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35M", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M_b_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r361": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35M", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M&doctype=Standard", "URIDate": "2021-03-24" }, "r362": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "35N", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35N&doctype=Standard", "URIDate": "2021-03-24" }, "r363": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "36", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_36&doctype=Standard", "URIDate": "2021-03-24" }, "r364": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "39", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_a&doctype=Standard", "URIDate": "2021-03-24" }, "r365": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "39", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_b&doctype=Standard", "URIDate": "2021-03-24" }, "r366": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "39", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39&doctype=Standard", "URIDate": "2021-03-24" }, "r367": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "40", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_40_a&doctype=Standard", "URIDate": "2021-03-24" }, "r368": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "42E", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42E_e&doctype=Standard", "URIDate": "2021-03-24" }, "r369": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "42I", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42I&doctype=Standard", "URIDate": "2021-03-24" }, "r37": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "69", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_69&doctype=Standard", "URIDate": "2021-03-24" }, "r370": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "6", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_6&doctype=Standard", "URIDate": "2021-03-24" }, "r371": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "7", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard", "URIDate": "2021-03-24" }, "r372": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_a&doctype=Standard", "URIDate": "2021-03-24" }, "r373": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_e&doctype=Standard", "URIDate": "2021-03-24" }, "r374": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "8", "Subparagraph": "h", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_h&doctype=Standard", "URIDate": "2021-03-24" }, "r375": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "8", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8&doctype=Standard", "URIDate": "2021-03-24" }, "r376": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "B11", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r377": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "B11D", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11D_d&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r378": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "B35", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B35&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r379": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "B52", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B52&doctype=Appendix&subtype=B", "URIDate": "2021-03-24" }, "r38": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "7", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard", "URIDate": "2021-03-24" }, "r380": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG20B", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r381": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG20C", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG20C&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r382": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG20D", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG20D&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r383": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG31A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r384": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG32", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG32&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r385": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Paragraph": "IG40B", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r386": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Section": "Defined terms", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&doctype=Appendix&subtype=A&dita_xref=IFRS07_APPA_TI", "URIDate": "2021-03-24" }, "r387": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "7", "Section": "Scope", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS07_g3-5A_TI", "URIDate": "2021-03-24" }, "r388": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_a&doctype=Standard", "URIDate": "2021-03-24" }, "r389": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_c&doctype=Standard", "URIDate": "2021-03-24" }, "r39": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "70", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_70&doctype=Standard", "URIDate": "2021-03-24" }, "r390": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_d&doctype=Standard", "URIDate": "2021-03-24" }, "r391": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_e&doctype=Standard", "URIDate": "2021-03-24" }, "r392": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "Subparagraph": "h", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_h&doctype=Standard", "URIDate": "2021-03-24" }, "r393": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "23", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard", "URIDate": "2021-03-24" }, "r394": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_a&doctype=Standard", "URIDate": "2021-03-24" }, "r395": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard", "URIDate": "2021-03-24" }, "r396": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_c&doctype=Standard", "URIDate": "2021-03-24" }, "r397": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_d&doctype=Standard", "URIDate": "2021-03-24" }, "r398": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_e&doctype=Standard", "URIDate": "2021-03-24" }, "r399": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "28", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard", "URIDate": "2021-03-24" }, "r4": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_a&doctype=Standard", "URIDate": "2021-03-24" }, "r40": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard", "URIDate": "2021-03-24" }, "r400": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "32", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_32&doctype=Standard", "URIDate": "2021-03-24" }, "r401": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "33", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_a&doctype=Standard", "URIDate": "2021-03-24" }, "r402": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "33", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_b&doctype=Standard", "URIDate": "2021-03-24" }, "r403": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "33", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33&doctype=Standard", "URIDate": "2021-03-24" }, "r404": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "34", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard", "URIDate": "2021-03-24" }, "r405": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Paragraph": "IG4", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_IG4&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r406": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "8", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI", "URIDate": "2021-03-24" }, "r407": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "9", "Paragraph": "6.5.11", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_6.5.11&doctype=Standard", "URIDate": "2021-03-24" }, "r408": { "IssueDate": "2021-01-01", "Name": "IFRS", "Number": "9", "Paragraph": "7.2.34", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_7.2.34&doctype=Standard", "URIDate": "2021-03-24" }, "r409": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "109", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_109&doctype=Standard", "URIDate": "2021-03-24" }, "r41": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_c&doctype=Standard", "URIDate": "2021-03-24" }, "r410": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "109A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_109A&doctype=Standard", "URIDate": "2021-03-24" }, "r411": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "113", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_113_b&doctype=Standard", "URIDate": "2021-03-24" }, "r412": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "120", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_120&doctype=Standard", "URIDate": "2021-03-24" }, "r413": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "124", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_124&doctype=Standard", "URIDate": "2021-03-24" }, "r414": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "125", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_125&doctype=Standard", "URIDate": "2021-03-24" }, "r415": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "127", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_127&doctype=Standard", "URIDate": "2021-03-24" }, "r416": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "128", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_128_a_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r417": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "128", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_128_a&doctype=Standard", "URIDate": "2021-03-24" }, "r418": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "132", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_132_b&doctype=Standard", "URIDate": "2021-03-24" }, "r419": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "96", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_96_b&doctype=Standard", "URIDate": "2021-03-24" }, "r42": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard", "URIDate": "2021-03-24" }, "r420": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "96", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_96_c&doctype=Standard", "URIDate": "2021-03-24" }, "r421": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "17", "Paragraph": "C32", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_C32&doctype=Appendix&subtype=C", "URIDate": "2021-03-24" }, "r422": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective 2023-01-01", "Number": "9", "Paragraph": "7.2.42", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_7.2.42&doctype=Standard", "URIDate": "2021-03-24" }, "r423": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39L", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_b&doctype=Standard", "URIDate": "2021-03-24" }, "r424": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39L", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_e&doctype=Standard", "URIDate": "2021-03-24" }, "r425": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39M", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39M_a&doctype=Standard", "URIDate": "2021-03-24" }, "r426": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Effective on first application of IFRS 9", "Number": "4", "Paragraph": "39M", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39M&doctype=Standard", "URIDate": "2021-03-24" }, "r427": { "IssueDate": "2021-01-01", "Name": "IAS", "Note": "Expiry date 2023-01-01", "Number": "1", "Paragraph": "78", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2017-en-b&anchor=para_78_e&doctype=Standard&forcepdf=true", "URIDate": "2021-03-24" }, "r428": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "4", "Paragraph": "39J", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39J_a&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r429": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "4", "Paragraph": "39J", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39J&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r43": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "78", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard", "URIDate": "2021-03-24" }, "r430": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "20", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_20_a_i&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r431": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "22", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r432": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "23", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_23_c&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r433": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "23", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_23_d&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r434": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "36", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r435": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_a&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r436": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_b&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r437": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "37", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r438": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "8", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_a&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r439": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "8", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_c&doctype=Standard&book=b", "URIDate": "2021-03-24" }, "r44": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "78", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78&doctype=Standard", "URIDate": "2021-03-24" }, "r440": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG28", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG28_d&doctype=Implementation%20Guidance&book=b", "URIDate": "2021-03-24" }, "r441": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG29", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29_a&doctype=Implementation%20Guidance&book=b", "URIDate": "2021-03-24" }, "r442": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG29", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29_b&doctype=Implementation%20Guidance&book=b", "URIDate": "2021-03-24" }, "r443": { "IssueDate": "2021-01-01", "Name": "IFRS", "Note": "Expiry date 2023-01-01", "Number": "7", "Paragraph": "IG29", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29&doctype=Implementation%20Guidance&book=b", "URIDate": "2021-03-24" }, "r444": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12" }, "r445": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r446": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r447": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r448": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "g" }, "r449": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310" }, "r45": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r450": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f" }, "r451": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f" }, "r452": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r453": { "Name": "Securities Act", "Number": "230", "Publisher": "SEC", "Section": "405" }, "r46": { "Clause": "iv", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iv&doctype=Standard", "URIDate": "2021-03-24" }, "r47": { "Clause": "vii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_vii&doctype=Standard", "URIDate": "2021-03-24" }, "r48": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "79", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a&doctype=Standard", "URIDate": "2021-03-24" }, "r49": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "79", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79&doctype=Standard", "URIDate": "2021-03-24" }, "r5": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_b&doctype=Standard", "URIDate": "2021-03-24" }, "r50": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_a&doctype=Standard", "URIDate": "2021-03-24" }, "r51": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_b&doctype=Standard", "URIDate": "2021-03-24" }, "r52": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81A", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_c&doctype=Standard", "URIDate": "2021-03-24" }, "r53": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_a_i&doctype=Standard", "URIDate": "2021-03-24" }, "r54": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_a_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r55": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_b_i&doctype=Standard", "URIDate": "2021-03-24" }, "r56": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "81B", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_b_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r57": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "82", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_a&doctype=Standard", "URIDate": "2021-03-24" }, "r58": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "82", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_b&doctype=Standard", "URIDate": "2021-03-24" }, "r59": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "82", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_d&doctype=Standard", "URIDate": "2021-03-24" }, "r6": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_i&doctype=Standard", "URIDate": "2021-03-24" }, "r60": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "82A", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82A&doctype=Standard", "URIDate": "2021-03-24" }, "r61": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "85", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard", "URIDate": "2021-03-24" }, "r62": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "90", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_90&doctype=Standard", "URIDate": "2021-03-24" }, "r63": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "91", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_a&doctype=Standard", "URIDate": "2021-03-24" }, "r64": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "91", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_b&doctype=Standard", "URIDate": "2021-03-24" }, "r65": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "92", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_92&doctype=Standard", "URIDate": "2021-03-24" }, "r66": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "98", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard", "URIDate": "2021-03-24" }, "r67": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "99", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_99&doctype=Standard", "URIDate": "2021-03-24" }, "r68": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "IG6", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_IG6&doctype=Implementation%20Guidance", "URIDate": "2021-03-24" }, "r69": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "10", "Paragraph": "21", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_21&doctype=Standard", "URIDate": "2021-03-24" }, "r7": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r70": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "10", "Paragraph": "22", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_22_a&doctype=Standard", "URIDate": "2021-03-24" }, "r71": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "10", "Paragraph": "22", "Subparagraph": "f", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_22_f&doctype=Standard", "URIDate": "2021-03-24" }, "r72": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "79", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_79&doctype=Standard", "URIDate": "2021-03-24" }, "r73": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_a&doctype=Standard", "URIDate": "2021-03-24" }, "r74": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "Subparagraph": "b", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_b&doctype=Standard", "URIDate": "2021-03-24" }, "r75": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_c&doctype=Standard", "URIDate": "2021-03-24" }, "r76": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_d&doctype=Standard", "URIDate": "2021-03-24" }, "r77": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_e&doctype=Standard", "URIDate": "2021-03-24" }, "r78": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "80", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80&doctype=Standard", "URIDate": "2021-03-24" }, "r79": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_a&doctype=Standard", "URIDate": "2021-03-24" }, "r8": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r80": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "ab", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_ab&doctype=Standard", "URIDate": "2021-03-24" }, "r81": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard", "URIDate": "2021-03-24" }, "r82": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r83": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard", "URIDate": "2021-03-24" }, "r84": { "Clause": "ii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_ii&doctype=Standard", "URIDate": "2021-03-24" }, "r85": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Paragraph": "81", "Subparagraph": "g", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g&doctype=Standard", "URIDate": "2021-03-24" }, "r86": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "12", "Section": "Disclosure", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS12_g79-88_TI", "URIDate": "2021-03-24" }, "r87": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "37", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_a&doctype=Standard", "URIDate": "2021-03-24" }, "r88": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "37", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard", "URIDate": "2021-03-24" }, "r89": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard", "URIDate": "2021-03-24" }, "r9": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "1", "Paragraph": "106", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard", "URIDate": "2021-03-24" }, "r90": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "d", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_d&doctype=Standard", "URIDate": "2021-03-24" }, "r91": { "Clause": "i", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard", "URIDate": "2021-03-24" }, "r92": { "Clause": "iii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iii&doctype=Standard", "URIDate": "2021-03-24" }, "r93": { "Clause": "v", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_v&doctype=Standard", "URIDate": "2021-03-24" }, "r94": { "Clause": "vii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard", "URIDate": "2021-03-24" }, "r95": { "Clause": "viii", "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard", "URIDate": "2021-03-24" }, "r96": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "Subparagraph": "e", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard", "URIDate": "2021-03-24" }, "r97": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "73", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73&doctype=Standard", "URIDate": "2021-03-24" }, "r98": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "74", "Subparagraph": "c", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_74_c&doctype=Standard", "URIDate": "2021-03-24" }, "r99": { "IssueDate": "2021-01-01", "Name": "IAS", "Number": "16", "Paragraph": "75", "Subparagraph": "a", "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard", "URIDate": "2021-03-24" } }, "version": "2.1" }