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Earnings Per Share - CMS Energy (Tables) | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share - CMS Energy [Abstract] |
Basic And Diluted EPS Computations |
In Millions, Except Per Share Amounts
| Three Months Ended |  | Six Months Ended |
June 30 | 2015 | 2014 |  | 2015 | 2014 |
Income available to common stockholders |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 68 |  | $ | 84 |  |  | $ | 270 |  | $ | 288 |
Less income attributable to noncontrolling interests |  |  | 1 |  |  | 1 |  |  |  | 1 |  |  | 1 |
Income from continuing operations available to common stockholders – basic and diluted |  | $ | 67 |  | $ | 83 |  |  | $ | 269 |  | $ | 287 |
Average common shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares – basic |  |  | 275.4 |  |  | 268.0 |  |  |  | 275.1 |  |  | 267.1 |
Add dilutive contingently convertible securities |  |  | - |  |  | 6.0 |  |  |  | - |  |  | 6.2 |
Add dilutive non-vested stock awards |  |  | 0.8 |  |  | 0.6 |  |  |  | 0.8 |  |  | 0.6 |
Weighted-average shares – diluted |  |  | 276.2 |  |  | 274.6 |  |  |  | 275.9 |  |  | 273.9 |
Income from continuing operations per average common share available to common stockholders |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.25 |  | $ | 0.31 |  |  | $ | 0.98 |  | $ | 1.07 |
Diluted |  |  | 0.25 |  |  | 0.30 |  |  |  | 0.98 |  |  | 1.05 |

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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/2003/role/presentationRef -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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