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Earnings Per Share - CMS Energy (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share - CMS Energy [Abstract] |
Basic And Diluted EPS Computations |
In Millions, Except Per Share Amounts
Years Ended December 31 | 2014 | 2013 | 2012 |
Income available to common stockholders |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 479 |  | $ | 454 |  | $ | 377 |
Less income attributable to noncontrolling interests |  |  | 2 |  |  | 2 |  |  | 2 |
Income from continuing operations available to common stockholders – basic and diluted |  | $ | 477 |  | $ | 452 |  | $ | 375 |
Average common shares outstanding |  |  |  |  |  |  |  |  |  |
Weighted-average shares – basic |  |  | 270.6 |  |  | 264.5 |  |  | 260.7 |
Add dilutive contingently convertible securities |  |  | 3.1 |  |  | 6.4 |  |  | 6.8 |
Add dilutive non-vested stock awards |  |  | 0.9 |  |  | 1.0 |  |  | 1.1 |
Weighted-average shares – diluted |  |  | 274.6 |  |  | 271.9 |  |  | 268.6 |
Income from continuing operations per average |  |  |  |  |  |  |  |  |  |
common share available to common stockholders |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.76 |  | $ | 1.71 |  | $ | 1.43 |
Diluted |  |  | 1.74 |  |  | 1.66 |  |  | 1.39 |
Dividends declared per common share |  | $ | 1.08 |  | $ | 1.02 |  | $ | 0.96 |

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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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