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Earnings per share (Tables) | 9 Months Ended
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Sep. 30, 2020
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) | 2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |
Net income | $ | 1,194 |  |  | $ | 1,091 |  |  | $ | 1,115 |  |  | $ | 3,281 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |  |  |
Weighted-average shares outstanding | 451,794,046 |  |  | 454,975,143 |  |  | 451,683,093 |  |  | 456,987,560 |
Denominator for diluted earnings per share: |  |  |  |  |  |  |
Share-based compensation plans | 1,471,434 |  |  | 3,175,226 |  |  | 1,894,699 |  |  | 2,937,026 |
Weighted-average shares outstanding and assumed conversions | 453,265,480 |  |  | 458,150,369 |  |  | 453,577,792 |  |  | 459,924,586 |
Basic earnings per share | $ | 2.64 |  |  | $ | 2.40 |  |  | $ | 2.47 |  |  | $ | 7.18 |
Diluted earnings per share | $ | 2.63 |  |  | $ | 2.38 |  |  | $ | 2.46 |  |  | $ | 7.13 |
Potential anti-dilutive share conversions | 7,053,316 |  |  | 575,039 |  |  | 6,767,727 |  |  | 3,874,310 |

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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=6371337&loc=d3e3550-109257 + Details
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