| Schedule Of Earnings Per Share, Basic And Diluted |
| | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | June 30 | | June 30 | | (in millions of U.S. dollars, except share and per share data) | 2021 | | 2020 | | 2021 | | 2020 | | Numerator: | | | | | | | | | Net income (loss) | $ | 2,265 | | | $ | (331) | | | $ | 4,565 | | | $ | (79) | | | Denominator: | | | | | | | | | Denominator for basic earnings per share: | | | | | | | | | Weighted-average shares outstanding | 445,094,678 | | | 451,402,807 | | | 447,802,079 | | | 451,635,733 | | | Denominator for diluted earnings per share: | | | | | | | | Share-based compensation plans (1) | 2,857,242 | | | — | | | 2,900,440 | | | — | | Weighted-average shares outstanding and assumed conversions | 447,951,920 | | | 451,402,807 | | | 450,702,519 | | | 451,635,733 | | | Basic earnings (loss) per share | $ | 5.09 | | | $ | (0.73) | | | $ | 10.20 | | | $ | (0.17) | | | Diluted earnings (loss) per share | $ | 5.06 | | | $ | (0.73) | | | $ | 10.13 | | | $ | (0.17) | | | Potential anti-dilutive share conversions | 1,777,555 | | | 8,378,447 | | | 1,879,882 | | | 6,583,319 | |
(1)For the three and six months ended June 30, 2020, weighted-average shares outstanding used in calculating diluted loss per share excludes the effect of dilutive securities of 1,395,951 and 2,044,144 shares, respectively. In periods where a net loss is recognized, inclusion of incremental dilution is anti-dilutive.
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