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Earnings Per Share (CenterPoint Energy) (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share.
| Three Months Ended March 31, |  |
| 2023 |  | 2022 |  |  |  |
| (in millions, except per share and share amounts)
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 325 |  |  | $ | 531 |  |  |  |  |
Less: Preferred stock dividend requirement (Note 18) | 12 |  |  | 13 |  |  |  |  |
Income available to common shareholders - basic and diluted | $ | 313 |  |  | $ | 518 |  |  |  |  |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding - basic | 630,309,000 |  |  | 629,134,000 |  |  |  |  |
Plus: Incremental shares from assumed conversions: |  |  |  |  |  |  |
Restricted stock | 2,742,000 |  |  | 2,170,000 |  |  |  |  |
Weighted average common shares outstanding - diluted | 633,051,000 |  |  | 631,304,000 |  |  |  |  |
Earnings Per Common Share: |  |  |  |  |  |  |
Basic Earnings Per Common Share | $ | 0.50 |  |  | $ | 0.82 |  |  |  |  |
Diluted Earnings Per Common Share | $ | 0.49 |  |  | $ | 0.82 |  |  |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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