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Earnings Per Share - CMS Energy (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Summary of Basic and Diluted EPS Computations | Presented in the following table are CMS Energy’s basic and diluted EPS computations based on income from continuing operations:
In Millions, Except Per Share Amounts
| Three Months Ended |  | Nine Months Ended
September 30 | 2025 | 2024 |  | 2025 | 2024 |
Income available to common stockholders |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 272 |  |  | $ | 247 |  |  |  | $ | 760 |  |  | $ | 692 |  |  |
Less loss attributable to noncontrolling interests |  | (5) |  |  | (6) |  |  |  | (22) |  |  | (46) |  |  |
Less preferred stock dividends |  | 2 |  |  | 2 |  |  |  | 7 |  |  | 7 |  |  |
Income from continuing operations available to common stockholders – basic and diluted |  | $ | 275 |  |  | $ | 251 |  |  |  | $ | 775 |  |  | $ | 731 |  |  |
Average common shares outstanding |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares – basic |  | 299.7 |  |  | 298.0 |  |  |  | 298.8 |  |  | 297.5 |  |  |
Add dilutive nonvested stock awards |  | 0.6 |  |  | 0.8 |  |  |  | 0.6 |  |  | 0.7 |  |  |
Add dilutive forward equity sale contracts |  | 0.1 |  |  | — |  |  |  | — |  |  | — |  |  |
Weighted-average shares – diluted |  | 300.4 |  |  | 298.8 |  |  |  | 299.4 |  |  | 298.2 |  |  |
Income from continuing operations per average common share available to common stockholders |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.92 |  |  | $ | 0.84 |  |  |  | $ | 2.59 |  |  | $ | 2.45 |  |  |
Diluted |  | 0.92 |  |  | 0.84 |  |  |  | 2.59 |  |  | 2.45 |  |  |

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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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