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Earnings per share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share, Basic And Diluted |
|  |  | Three Months Ended
|  |  | March 31
(in millions of U.S. dollars, except share and per share data) |  |  |  |  | 2024 |  | 2023
Numerator: |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 2,294 |  |  | $ | 1,892 |
Net income attributable to noncontrolling interests |  |  |  |  | 151 |  |  | — |
Net income attributable to Chubb |  |  |  |  | $ | 2,143 |  |  | $ | 1,892 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per share attributable to Chubb: |  |  |  |  |  |  |
Weighted-average shares outstanding |  |  |  |  | 405,662,694 |  |  | 414,289,150 |
Denominator for diluted earnings per share attributable to Chubb: |  |  |  |  |  |  |
Share-based compensation plans |  |  |  |  | 4,076,941 |  |  | 3,639,042 |
Weighted-average shares outstanding and assumed conversions |  |  |  |  | 409,739,635 |  |  | 417,928,192 |
Basic earnings per share attributable to Chubb |  |  |  |  | $ | 5.28 |  |  | $ | 4.57 |
Diluted earnings per share attributable to Chubb |  |  |  |  | $ | 5.23 |  |  | $ | 4.53 |
Potential anti-dilutive share conversions |  |  |  |  | 1,005,420 |  |  | 1,731,523 |

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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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