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Earnings per share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share, Basic And Diluted |
| Year Ended December 31
(in millions of U.S. dollars, except share and per share data) | 2021 |  | 2020 |  | 2019
Numerator: |  |  |  |  |
Net income | $ | 8,539 |  |  | $ | 3,533 |  |  | $ | 4,454 |
Denominator: |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |
Weighted-average shares outstanding | 439,968,422 |  |  | 451,602,820 |  |  | 455,910,463 |
Denominator for diluted earnings per share: |  |  |  |  |
Share-based compensation plans | 3,228,856 |  |  | 1,838,692 |  |  | 3,004,200 |
Weighted-average shares outstanding and assumed conversions | 443,197,278 |  |  | 453,441,512 |  |  | 458,914,663 |
Basic earnings per share | $ | 19.41 |  |  | $ | 7.82 |  |  | $ | 9.77 |
Diluted earnings per share | $ | 19.27 |  |  | $ | 7.79 |  |  | $ | 9.71 |
Potential anti-dilutive share conversions | 1,532,066 |  |  | 6,811,966 |  |  | 2,410,337 |

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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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