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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
EARNINGS PER COMMON SHARE |
Earnings Per Common Share |
($ millions) |  | 2019 |  | 2018 |
Net earnings |  | 2 899 |  | 3 293 |
(millions of common shares) |  |  |  |  |
Weighted average number of common shares |  | 1 559 |  | 1 623 |
Dilutive securities: |  |  |  |  |
| Effect of share options |  | 2 |  | 6 |
Weighted average number of diluted common shares |  | 1 561 |  | 1 629 |
(dollars per common share) |  |  |  |  |
Basic earnings per share |  | 1.86 |  | 2.03 |
Diluted earnings per share |  | 1.86 |  | 2.02 |

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- Definition The disclosure of earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2019-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2019-en-r&anchor=para_66&doctype=Standard -URIDate 2019-03-27 + Details
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