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Earnings Per Share (CenterPoint Energy) | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Earnings Per Share (CenterPoint Energy) | Earnings Per Share (CenterPoint Energy) Basic earnings per common share is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding during the period. Participating securities are excluded from weighted average number of common shares outstanding in the computation of basic earnings per common share. Diluted earnings per common share is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding, including all potentially dilutive common shares, if the effect of such common shares is dilutive. Diluted earnings per common share reflects the dilutive effect of potential common shares from share-based awards. The dilutive effect of restricted stock is computed using the if-converted method, which assumes conversion of the restricted stock at the beginning of the period. The dilutive effect of restricted stock is computed using the treasury stock method, as applicable, which includes the incremental shares that would be hypothetically vested in excess of the number of shares assumed to be hypothetically repurchased with the assumed proceeds. Diluted earnings per common share will also reflect the dilutive effect of potential common shares from the conversion of the Convertible Notes. Convertible debt in which the principal amount must be settled in cash is excluded from the calculation of diluted earnings per common share. There would be no interest expense adjustment to the numerator for the cash-settled portion of the Convertible Notes because that portion will always be settled in cash. The conversion spread value in shares will be included in diluted earnings per common share using the if-converted method if the convertible debt is in the money. The denominator of diluted earnings per common share is determined by dividing the conversion spread value of the share-settled portion of the Convertible Notes as of the reporting date by the average share price over the reporting period. For the year ended December 31, 2024, the convertible debt was not in the money; therefore, no incremental shares were assumed converted or included in the diluted earnings per common share calculation below. For further details on the Convertible Notes, see Note 12. The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share for the periods presented:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions, except per share and share amounts)
Numerator: |  |  |  |  |
Net income | $ | 1,019 |  |  | $ | 917 |  |  | $ | 1,057 |
Less: Preferred stock dividend requirement (Note 11) | — |  |  | 50 |  |  | 49 |
Income available to common shareholders - basic and diluted | $ | 1,019 |  |  | $ | 867 |  |  | $ | 1,008 |
Denominator: |  |  |  |  |
Weighted average common shares outstanding - basic | 643,163,000 |  |  | 630,947,000 |  |  | 629,415,000 |
Plus: Incremental shares from assumed conversions: |  |  |  |  |
Restricted stock | 974,000 |  |  | 2,232,000 |  |  | 2,931,000 |
Weighted average common shares outstanding - diluted | 644,137,000 |  |  | 633,179,000 |  |  | 632,346,000 |
Earnings per Common Share: |  |  |  |  |
Basic | $ | 1.58 |  |  | $ | 1.37 |  |  | $ | 1.60 |
Diluted | $ | 1.58 |  |  | $ | 1.37 |  |  | $ | 1.59 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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