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employee future benefits - Fair value measurements (Details) - Pension plans - CAD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Fair value measurements |  |
Asset-backed securities | $ 30 | $ 31
Cash, cash equivalents and other | 338 | 486
Real estate | 1,316 | 1,047
Fair value | 9,043 | 9,195
Effect of asset ceiling limit | (263) | (110)
Fair value after asset ceiling | 8,780 | 9,085
Fair value of administered pension benefit trusts | 2 | 3
Quoted prices in active markets for identical items |  |
Fair value measurements |  |
Cash, cash equivalents and other | 8 | 38
Fair value | 2,779 | 3,409
Other |  |
Fair value measurements |  |
Asset-backed securities | 30 | 31
Cash, cash equivalents and other | 330 | 448
Real estate | 1,316 | 1,047
Fair value | 6,264 | 5,786
Canadian |  |
Fair value measurements |  |
Equity securities | 1,048 | 1,385
Canadian | Quoted prices in active markets for identical items |  |
Fair value measurements |  |
Equity securities | 821 | 1,129
Canadian | Other |  |
Fair value measurements |  |
Equity securities | 227 | 256
Foreign |  |
Fair value measurements |  |
Equity securities | 1,943 | 1,867
Foreign | Quoted prices in active markets for identical items |  |
Fair value measurements |  |
Equity securities | 581 | 853
Foreign | Other |  |
Fair value measurements |  |
Equity securities | 1,362 | 1,014
Government securities |  |
Fair value measurements |  |
Debt securities | 1,494 | 1,512
Government securities | Quoted prices in active markets for identical items |  |
Fair value measurements |  |
Debt securities | 1,369 | 1,389
Government securities | Other |  |
Fair value measurements |  |
Debt securities | 125 | 123
Corporate debt securities |  |
Fair value measurements |  |
Debt securities | 1,243 | 1,208
Corporate debt securities | Other |  |
Fair value measurements |  |
Debt securities | 1,243 | 1,208
Commercial mortgages |  |
Fair value measurements |  |
Debt securities | 1,631 | 1,659
Commercial mortgages | Other |  |
Fair value measurements |  |
Debt securities | $ 1,631 | $ 1,659

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- Definition The amount that securities that are backed by underlying assets constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 142 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_142_g&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount that cash and cash equivalents constitute of the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 142 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_142_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount that instruments representing debt (rather than equity) constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 142 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_142_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount that instruments representing equity (rather than debt) constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 142 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_142_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition 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]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 57 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_57_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount that real estate constitutes of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 142 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_142_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition 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. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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