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Earnings and Dividends per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Earnings and Dividends Per Share [Abstract] |
Schedule Of Net Income Attributable To Common Stockholders | Diluted earnings per share include the effects of certain stock options and performance stock units.
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Net income attributable to Westlake Corporation |  | $ | 297 |  |  | $ | 858 |  |  | $ | 691 |  |  | $ | 1,614 |
Less: |  |  |  |  |  |  |  |
Net income attributable to participating securities |  | (1) |  |  | (5) |  |  | (3) |  |  | (9) |
Net income attributable to common shareholders |  | $ | 296 |  |  | $ | 853 |  |  | $ | 688 |  |  | $ | 1,605 |
Reconciliation Of Denominator For Basic And Diluted Earnings Per Share | The following table reconciles the denominator for the basic and diluted earnings per share computations shown in the consolidated statements of operations:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Weighted average common shares—basic |  | 127,649,341 |  |  | 128,341,132 |  |  | 127,599,093 |  |  | 128,206,988 |
Plus incremental shares from: |  |  |  |  |  |  |  |
Assumed exercise of options and vesting of performance stock units |  | 834,675 |  |  | 999,964 |  |  | 872,667 |  |  | 927,258 |
Weighted average common shares—diluted |  | 128,484,016 |  |  | 129,341,096 |  |  | 128,471,760 |  |  | 129,134,246 |
Earnings per common share attributable to Westlake Corporation: |  |  |  |  |  |  |  |
Basic |  | $ | 2.32 |  |  | $ | 6.65 |  |  | $ | 5.39 |  |  | $ | 12.52 |
Diluted |  | $ | 2.31 |  |  | $ | 6.60 |  |  | $ | 5.35 |  |  | $ | 12.43 |
Dividends Per Share | Dividends per Share Dividends declared per common share for the six months ended June 30, 2023 and 2022 were as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Dividends per common share |  | $ | 0.3570 |  |  | $ | 0.2975 |  |  | $ | 0.7140 |  |  | $ | 0.5950 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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