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Earnings per share (Tables) | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Computation for Basic and Diluted Earnings per Share | The computations for basic and diluted (loss) earnings per share were as follows (in millions, except per-share data):
| Three months ended March 31, |  |
| 2024 |  | 2023 |  |  |  |
Income (Numerator): |  |  |  |  |  |  |
Net (loss) income for basic and diluted (loss) earnings per share | $ | (113) |  |  | $ | 2,841 |  |  |  |  |
Shares (Denominator): |  |  |  |  |  |  |
Weighted-average shares for basic (loss) earnings per share | 536 |  |  | 534 |  |  |  |  |
Effect of dilutive securities | — |  |  | 4 |  |  |  |  |
Weighted-average shares for diluted (loss) earnings per share | 536 |  |  | 538 |  |  |  |  |
Basic (loss) earnings per share | $ | (0.21) |  |  | $ | 5.32 |  |  |  |  |
Diluted (loss) earnings per share | $ | (0.21) |  |  | $ | 5.28 |  |  |  |  |

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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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