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Earnings Per Share - CMS Energy (Tables) | 12 Months Ended
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Dec. 31, 2020
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 | 2020 | 2019 | 2018
Income available to common stockholders |  |  |  |  |  |
Net income |  | $ | 752 |  |  | $ | 682 |  |  | $ | 659 |
Less income (loss) attributable to noncontrolling interests |  | (3) |  |  | 2 |  |  | 2 |
Net income available to common stockholders – basic and diluted |  | $ | 755 |  |  | $ | 680 |  |  | $ | 657 |
Average common shares outstanding |  |  |  |  |  |
Weighted-average shares – basic |  | 285.0 |  |  | 283.0 |  |  | 282.2 |
Add dilutive nonvested stock awards |  | 0.7 |  |  | 0.7 |  |  | 0.7 |
Add dilutive forward equity sale contracts |  | 0.6 |  |  | 0.6 |  |  | — |
Weighted-average shares – diluted |  | 286.3 |  |  | 284.3 |  |  | 282.9 |
Net income per average common share available to common stockholders |  |  |  |  |  |
Basic |  | $ | 2.65 |  |  | $ | 2.40 |  |  | $ | 2.33 |
Diluted |  | 2.64 |  |  | 2.39 |  |  | 2.32 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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