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Earnings Per Share - CMS Energy (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Basic And Diluted EPS Computations | Presented in the following table are CMS Energy’s basic and diluted EPS computations based on net income:
In Millions, Except Per Share Amounts |
Years Ended December 31 | 2019 |  | 2018 |  | 2017 |
Income available to common stockholders |  |  |  |  |  |
Net income |  | $ | 682 |  |  | $ | 659 |  |  | $ | 462 |
Less income attributable to noncontrolling interests |  | 2 |  |  | 2 |  |  | 2 |
Net income available to common stockholders – basic and diluted |  | $ | 680 |  |  | $ | 657 |  |  | $ | 460 |
Average common shares outstanding |  |  |  |  |  |
Weighted-average shares – basic |  | 283.0 |  |  | 282.2 |  |  | 280.0 |
Add dilutive nonvested stock awards |  | 0.7 |  |  | 0.7 |  |  | 0.8 |
Add dilutive forward equity sale contracts |  | 0.6 |  |  | — |  |  | — |
Weighted-average shares – diluted |  | 284.3 |  |  | 282.9 |  |  | 280.8 |
Net income per average common share available to common stockholders |  |  |  |  |  |
Basic |  | $ | 2.40 |  |  | $ | 2.33 |  |  | $ | 1.64 |
Diluted |  | 2.39 |  |  | 2.32 |  |  | 1.64 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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