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Earnings Per Share (CenterPoint Energy) (Tables) | 3 Months Ended
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Mar. 31, 2025
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings Per Share | The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share:
|  |  | Three Months Ended March 31,
|  |  |  |  | 2025 |  | 2024
|  |  |  |  | (in millions, except per share and share amounts)
Numerator: |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 297 |  |  | $ | 350 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding – basic |  |  |  |  | 652,161,000 |  |  | 632,228,000 |
Restricted stock |  |  |  |  | 1,158,000 |  |  | 1,742,000 |
Weighted average common shares outstanding – diluted |  |  |  |  | 653,319,000 |  |  | 633,970,000 |
Earnings Per Common Share: |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 0.45 |  |  | $ | 0.55 |
Diluted |  |  |  |  | $ | 0.45 |  |  | $ | 0.55 |

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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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