XML 71 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings Per Share - CMS Energy (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Earnings Per Share - CMS Energy [Abstract] |
Basic And Diluted EPS Computations |
In Millions, Except Per Share Amounts
Years Ended December 31 | 2013 | 2012 | 2011 |
Income available to common stockholders |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 454 |  | $ | 377 |  | $ | 415 |
Less income attributable to noncontrolling interests |  |  | 2 |  |  | 2 |  |  | 2 |
Income from continuing operations available to common stockholders – basic and diluted |  | $ | 452 |  | $ | 375 |  | $ | 413 |
Average common shares outstanding |  |  |  |  |  |  |  |  |  |
Weighted-average shares – basic |  |  | 264.5 |  |  | 260.7 |  |  | 250.8 |
Add dilutive contingently convertible securities |  |  | 6.4 |  |  | 6.8 |  |  | 12.2 |
Add dilutive non-vested stock awards and options |  |  | 1.0 |  |  | 1.1 |  |  | 0.4 |
Weighted-average shares – diluted |  |  | 271.9 |  |  | 268.6 |  |  | 263.4 |
Income from continuing operations per average |  |  |  |  |  |  |  |  |  |
common share available to common stockholders |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.71 |  | $ | 1.43 |  | $ | 1.65 |
Diluted |  |  | 1.66 |  |  | 1.39 |  |  | 1.57 |

X
- Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration