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Consolidated Statements of Income (Loss) - CAD ($) shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Profit or loss [abstract] |  |
Revenues (Note 6) | $ 11,934 | $ 12,564
Cost of sales | (8,594) | (7,943)
Gross profit | 3,340 | 4,621
Other operating income (expenses) |  |
General and administration | (161) | (142)
Exploration | (67) | (69)
Research and innovation | (67) | (35)
Asset impairments (Note 8(a)) | (2,690) | (41)
Other operating income (expense) (Note 9) | (505) | 450
Profit (loss) from operations | (150) | 4,784
Finance income (Note 10) | 48 | 33
Finance expense (Note 10) | (266) | (252)
Non-operating expense (Note 11) | (97) | (52)
Share of loss of associates and joint ventures (Note 15) | (3) | (3)
Profit (loss) before taxes | (468) | 4,510
Provision for income taxes (Note 21) | (120) | (1,365)
Profit (loss) for the year | (588) | 3,145
Profit (loss) attributable to: |  |
Shareholders of the company | (605) | 3,107
Non-controlling interests | 17 | 38
Profit (loss) for the year | $ (588) | $ 3,145
Earnings (loss) per share (Note 24(f)) |  |
Basic (in dollars per share) | $ (1.08) | $ 5.41
Diluted (in dollars per share) | $ (1.08) | $ 5.34
Weighted average shares outstanding (millions) (in shares) | 559,765 | 573,905
Weighted average diluted shares outstanding (millions) (in shares) | 559,765 | 582,138
Number of shares outstanding (in shares) | 547,300 | 570,700

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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 2019-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2019-en-r&anchor=para_70_b&doctype=Standard -URIDate 2019-03-27 + Details
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