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Finance Income and Finance Expense | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Finance Income and Finance Expense |
8. | Finance Income and Finance Expense
(CAD$ in millions) |  | 2017 |  |  | 2016 |
Finance income |  |  |  |  |  |  |  |
Investment income |  | $ | 17 |  |  | $ | 16 |
Total finance income |  | $ | 17 |  |  | $ | 16 |
Finance expense |  |  |  |  |  |  |  |
Debt interest |  | $ | 385 |  |  | $ | 476 |
Letters of credit and standby fees |  |  | 70 |  |  |  | 62 |
Net interest expense on retirement benefit plans |  |  | 12 |  |  |  | 14 |
Accretion on decommissioning and restoration provisions (Note 22(a)) |  |  | 81 |  |  |  | 55 |
Other |  |  | 14 |  |  |  | 13 |
|  |  | 562 |  |  |  | 620 |
Less capitalized borrowing costs (Note 15(c)) |  |  | (333 | ) |  |  | (266 | )
Total finance expense |  | $ | 229 |  |  | $ | 354 |

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- Definition The disclosure of finance income (cost). [Refer: Finance income (cost)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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