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real estate joint ventures and investment in associate - Commitments and contingent liabilities (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
real estate joint venture |  |
Advances | $ 20,288 | $ 18,474
Real estate joint ventures |  |
real estate joint venture |  |
Construction financing amount | 342 | 342
Real estate joint ventures | TELUS Corporation Construction Credit Facility |  |
real estate joint venture |  |
Construction financing amount | 114 | 114
Undrawn |  | 10
Advances | 114 | 104
Real estate joint ventures | Construction Credit Facility - Other |  |
real estate joint venture |  |
Construction financing amount | 228 | 228
TELUS Sky real estate joint venture |  |
real estate joint venture |  |
Contractual capital commitments | $ 17 | $ 37
Percentage of financing provided | 33.333% |
Construction financing amount | $ 342 |
TELUS Sky real estate joint venture | Three Canadian financial institutions |  |
real estate joint venture |  |
Percentage of financing provided | 66.667% |

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- Definition The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- 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
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- Definition The amount of construction financing under a credit agreement. + References No definition available. + Details
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- Definition The amount of undrawn credit facilities provided by the entity to a joint venture investment + References No definition available. + Details
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- Definition The percentage of construction financing provided. + References No definition available. + Details
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- Details
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- Details
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- Details
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