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Earnings per share (Tables) | 6 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
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) | 2024 |  | 2023 |  | 2024 |  | 2023
Numerator: |  |  |  |  |  |  |
Net income | $ | 2,216 |  |  | $ | 1,793 |  |  | $ | 4,510 |  |  | $ | 3,685 |
Net income (loss) attributable to noncontrolling interests | (14) |  |  | — |  |  | 137 |  |  | — |
Net income attributable to Chubb | $ | 2,230 |  |  | $ | 1,793 |  |  | $ | 4,373 |  |  | $ | 3,685 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per share attributable to Chubb: |  |  |  |  |  |  |
Weighted-average shares outstanding | 404,615,765 |  |  | 412,487,400 |  |  | 405,139,228 |  |  | 413,383,304 |
Denominator for diluted earnings per share attributable to Chubb: |  |  |  |  |  |  |
Share-based compensation plans | 3,990,902 |  |  | 3,084,476 |  |  | 4,138,555 |  |  | 3,387,233 |
Weighted-average shares outstanding and assumed conversions | 408,606,667 |  |  | 415,571,876 |  |  | 409,277,783 |  |  | 416,770,537 |
Basic earnings per share attributable to Chubb | $ | 5.51 |  |  | $ | 4.35 |  |  | $ | 10.79 |  |  | $ | 8.92 |
Diluted earnings per share attributable to Chubb | $ | 5.46 |  |  | $ | 4.32 |  |  | $ | 10.68 |  |  | $ | 8.84 |
Potential anti-dilutive share conversions | 1,348,531 |  |  | 3,143,311 |  |  | 939,842 |  |  | 2,190,304 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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