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Consolidated Statements of Income - CAD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Profit or loss [abstract] |  |
Revenues | $ 12,564 | $ 11,910
Cost of sales | (7,943) | (7,343)
Gross profit | 4,621 | 4,567
Other operating income (expenses) |  |
General and administration | (142) | (116)
Exploration | (69) | (58)
Research and development | (35) | (55)
Impairment reversal and (asset impairments) (Note 8) | (41) | 163
Other operating income (expense) (Note 9) | 450 | (230)
Profit (loss) from operations | 4,784 | 4,271
Finance income (Note 10) | 33 | 17
Finance expense (Note 10) | (252) | (229)
Non-operating income (expense) (Note 11) | (52) | (151)
Share of income (loss) of associates and joint ventures(Note 15) | (3) | 6
Profit (loss) before taxes | 4,510 | 3,914
Provision for income taxes (Note 20) | (1,365) | (1,425)
Profit for the year | 3,145 | 2,489
Profit attributable to: |  |
Shareholders of the company | 3,107 | 2,460
Non-controlling interests | 38 | 29
Profit for the year | $ 3,145 | $ 2,489
Earnings per share (Note 23(f)) |  |
Basic | $ 5.41 | $ 4.26
Diluted | $ 5.34 | $ 4.19
Weighted average shares outstanding (millions) | 573.9 | 577.5
Weighted average diluted shares outstanding (millions) | 582.1 | 586.4
Shares outstanding at end of year (millions) | 570.7 | 573.3

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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2018-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2018-03-01&anchor=para_70_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Non Operating Income Expense1 + References No definition available. + Details
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- Definition Other operating income expense abstract. + References No definition available. + Details
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- Definition Shares outstanding at end of year. + References No definition available. + Details
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- Definition Weighted average number of diluted shares outstanding 1. + References No definition available. + Details
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