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v3.19.1

Business acquisitions and dispositions - Acquisition of AlarmForce (Details) customer in Thousands, $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 05, 2018 CAD ($) shares customer | Dec. 31, 2018 CAD ($) | Dec. 31, 2017 CAD ($)
Disclosure of detailed information about business combination [line items] |  |  |
Disposition of intangibles and other assets |  | $ 68 | $ 323
AlarmForce |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Total cost to be allocated | $ 182 |  |
Cash transferred | 181 |  |
Equity interests of acquirer | $ 1 |  |
Number of instruments or interests issued or issuable (in shares) | shares | 22,531 |  |
Revenue of acquiree since acquisition date |  | $ 43 |
AlarmForce | Customer accounts |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Number of customer accounts | customer | 39 |  |
Disposition of intangibles and other assets | $ 68 |  |

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B64 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B64_f&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B64 -Subparagraph f -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B64_f_i&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition 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] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_16&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B64 -Subparagraph q -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B64_q_i&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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