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Earnings Per Share (CenterPoint Energy) (Tables) | 9 Months Ended
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Sep. 30, 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 September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
| (in millions, except per share and share amounts)
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 282 |  |  | $ | 202 |  |  | $ | 725 |  |  | $ | 923 |
Less: Preferred stock dividend requirement (Note 18) | 26 |  |  | 13 |  |  | 50 |  |  | 37 |
Income available to common shareholders - basic and diluted | $ | 256 |  |  | $ | 189 |  |  | $ | 675 |  |  | $ | 886 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding - basic | 631,185,000 |  |  | 629,509,000 |  |  | 630,854,000 |  |  | 629,374,000 |
Plus: Incremental shares from assumed conversions: |  |  |  |  |  |  |
Restricted stock | 1,858,000 |  |  | 3,559,000 |  |  | 2,183,000 |  |  | 3,559,000 |
Weighted average common shares outstanding - diluted | 633,043,000 |  |  | 633,068,000 |  |  | 633,037,000 |  |  | 632,933,000 |
Earnings Per Common Share: |  |  |  |  |  |  |
Basic Earnings Per Common Share | $ | 0.41 |  |  | $ | 0.30 |  |  | $ | 1.07 |  |  | $ | 1.41 |
Diluted Earnings Per Common Share | $ | 0.40 |  |  | $ | 0.30 |  |  | $ | 1.07 |  |  | $ | 1.40 |

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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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