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Earnings per share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share, Basic And Diluted |
| Three Months Ended |  | Nine Months Ended
| September 30 |  | September 30
(in millions of U.S. dollars, except share and per share data) | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net income | $ | 1,833 |  |  | $ | 1,194 |  |  | $ | 6,398 |  |  | $ | 1,115 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |  |  |
Weighted-average shares outstanding | 435,318,088 |  |  | 451,794,046 |  |  | 443,595,026 |  |  | 451,683,093 |
Denominator for diluted earnings per share: |  |  |  |  |  |  |
Share-based compensation plans | 3,123,550 |  |  | 1,471,434 |  |  | 3,032,989 |  |  | 1,894,699 |
Weighted-average shares outstanding and assumed conversions | 438,441,638 |  |  | 453,265,480 |  |  | 446,628,015 |  |  | 453,577,792 |
Basic earnings per share | $ | 4.21 |  |  | $ | 2.64 |  |  | $ | 14.42 |  |  | $ | 2.47 |
Diluted earnings per share | $ | 4.18 |  |  | $ | 2.63 |  |  | $ | 14.33 |  |  | $ | 2.46 |
Potential anti-dilutive share conversions | 1,758,853 |  |  | 7,053,316 |  |  | 1,439,882 |  |  | 6,767,727 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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