XML 146 R106.htm IDEA: XBRL DOCUMENT
v3.20.4

share-based compensation - TELUS International (Cda) Inc. share options (Details) |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 04, 2021 EquityInstruments | Mar. 17, 2020 EquityInstruments | Dec. 31, 2020 Options $ / shares | Dec. 31, 2020 Options $ / shares $ / shares | Dec. 31, 2019 Options $ / shares | Dec. 31, 2020 Options $ / shares | Dec. 31, 2019 Options $ / shares | [1] | Dec. 31, 2018 Options $ / shares | [1] | Dec. 31, 2018 Options $ / shares | [1]
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Share split ratio | EquityInstruments |  |  | 2 |  |  |  |  |  |  |  |
Telus International (Cda) Inc. share options, U.S. $ denominated |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Number of options outstanding | Options |  |  |  | 3,922,056 | 3,922,056 | 4,484,790 | [1] | 3,922,056 | 4,484,790 | 3,864,308 | 3,864,308
Weighted average share price of options outstanding | [2] |  |  | $ 6.94 | $ 6.94 | $ 6.91 | [1] |  |  | $ 6.63 |
Granted (in shares) | Options |  |  |  |  |  | 620,482 |  |  |  |  |
Granted (in dollars per share) | [2] |  |  |  |  | $ 8.46 |  |  |  |  |
Exercised (in shares) | Options |  |  |  | (562,734) | (562,734) |  |  |  |  |  |
Exercised (in dollars per share) | [2] |  |  | $ 6.21 |  |  |  |  |  |  |
Exercisable, end of period (in shares) | Options |  |  |  | 3,267,423 | 3,267,423 |  |  |  |  |  |
Exercisable, end of period (in dollar per share) | [2] |  |  | $ 6.58 |  |  |  |  |  |  |
Weighted average remaining contractual life (years) |  |  |  | 6 years 4 months 24 days | 6 years 4 months 24 days |  |  |  |  |  |
TELUS International (Cda) Inc. share options, Canadian $ denominated |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Number of options outstanding | Options |  |  |  | 242,244 | 242,244 | 242,244 | [1] | 242,244 | 242,244 | 242,244 | 242,244
Weighted average share price of options outstanding |  |  |  |  |  |  |  | $ 4.75 | $ 4.75 |  | $ 4.75
Exercisable, end of period (in shares) | Options |  |  |  | 242,244 | 242,244 |  |  |  |  |  |
Exercisable, end of period (in dollar per share) |  |  |  |  | $ 4.75 |  |  |  |  |  |
Weighted average remaining contractual life (years) |  |  |  | 5 years 7 months 6 days | 5 years 7 months 6 days |  |  |  |  |  |
Minimum | TELUS International (Cda) Inc. share options |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Variable payout (as a percent) |  |  |  | 0.00% | 0.00% |  |  | 0.00% |  |  |
Minimum | Telus International (Cda) Inc. share options, U.S. $ denominated |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Option price |  |  |  | $ 4.87 | $ 4.87 |  |  |  |  |  |
Exercisable, end of period (in dollar per share) |  |  |  | $ 4.87 |  |  |  |  |  |  |
Maximum | TELUS International (Cda) Inc. share options |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Exercise period |  |  |  | 10 years | 10 years |  |  |  |  |  |
Variable payout (as a percent) |  |  |  | 100.00% | 100.00% |  |  | 100.00% |  |  |
Maximum | Telus International (Cda) Inc. share options, U.S. $ denominated |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Option price |  |  |  | $ 8.95 | $ 8.95 |  |  |  |  |  |
Exercisable, end of period (in dollar per share) |  |  |  | $ 8.95 |  |  |  |  |  |  |
Shares issued and stock subdivision | TELUS International (Cda) Inc. share options |  |  |  |  |  |  |  |  |  |  |
share-based compensation |  |  |  |  |  |  |  |  |  |  |
Share split ratio | EquityInstruments |  | 4.5 |  |  |  |  |  |  |  |  |
[1] | Amounts reflect retrospective application of February 4, 2021, 4.5-for-one share subdivision which occurred in connection with TELUS International (Cda) Inc.’s initial public offering of shares (see Note 28(d)).
[2] | The range of share option prices is US$4.87 - US$8.95 per TELUS International (Cda) Inc. equity share and the weighted average remaining contractual life is 6.4 years.

X
- Definition 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. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exercise price of outstanding share options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_d&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options exercisable in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options exercised in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_iv&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares that will replace a single share in the share split transaction. + References No definition available. + Details
Name: | tu_CommonShareSplitRatio
Namespace Prefix: | tu_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Option term (expiration period), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | tu_ContractualLifeOfShareBasedAwards
Namespace Prefix: | tu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of variable payout of actual awards in a share-based payment arrangement. + References No definition available. + Details
Name: | tu_VariablePayoutOfAwardsInSharebasedPaymentArrangement
Namespace Prefix: | tu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=tu_TelusInternationalCdaIncShareOptionsUnitedStatesDollarDenominatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=tu_TelusInternationalCdaShareOptionsCanadianDollarDenominatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=tu_TelusInternationalCdaIncShareOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorOrdinaryShareTransactionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |