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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Information Used to Compute Basic and Diluted EPS | The information used to compute basic and diluted EPS attributable to Howmet common shareholders was as follows (shares in millions in the table below):
For the year ended December 31, | 2023 |  | 2022 |  | 2021
Net income attributable to common shareholders | $ | 765 |  |  | $ | 469 |  |  | $ | 258 |
Less: preferred stock dividends declared | 2 |  |  | 2 |  |  | 2 |
Net income available to Howmet Aerospace common shareholders - basic and diluted | $ | 763 |  |  | $ | 467 |  |  | $ | 256 |
Average shares outstanding - basic | 412 |  |  | 416 |  |  | 430 |
Effect of dilutive securities: |  |  |  |  |
Stock and performance awards | 4 |  |  | 5 |  |  | 5 |
Average shares outstanding - diluted | 416 |  |  | 421 |  |  | 435 |

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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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