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Earnings Per Share - CMS Energy (Tables) | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share - CMS Energy [Abstract] |
Basic And Diluted EPS Computations |
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﻿In Millions, Except Per Share Amounts
﻿ | Three Months Ended |  | Six Months Ended |
﻿June 30 | 2017 | 2016 |  | 2017 | 2016 |
﻿Income available to common stockholders |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Net income |  | $ | 93 |  | $ | 125 |  |  | $ | 292 |  | $ | 289 |
﻿Less income attributable to noncontrolling interests |  |  | 1 |  |  | 1 |  |  |  | 1 |  |  | 1 |
﻿Net income available to common stockholders – basic and diluted |  | $ | 92 |  | $ | 124 |  |  | $ | 291 |  | $ | 288 |
﻿Average common shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Weighted-average shares – basic |  |  | 279.5 |  |  | 278.2 |  |  |  | 279.2 |  |  | 277.4 |
﻿Add dilutive nonvested stock awards |  |  | 0.8 |  |  | 1.1 |  |  |  | 0.9 |  |  | 1.2 |
﻿Weighted-average shares – diluted |  |  | 280.3 |  |  | 279.3 |  |  |  | 280.1 |  |  | 278.6 |
﻿Net income per average common share available to common stockholders |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Basic |  | $ | 0.33 |  | $ | 0.45 |  |  | $ | 1.04 |  | $ | 1.04 |
﻿Diluted |  |  | 0.33 |  |  | 0.45 |  |  |  | 1.04 |  |  | 1.04 |
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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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