Earnings Per Share - CMS Energy (Tables)

6 Months Ended

Jun. 30, 2016

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	2016			2015			2016			2015
Income available to common stockholders
Net income		$	125		$	68		$	289		$	270
Less income attributable to noncontrolling interests			1			1			1			1
Net income available to common stockholders – basic and diluted		$	124		$	67		$	288		$	269
Average common shares outstanding
Weighted-average shares – basic			278.2			275.4			277.4			275.1
Add dilutive nonvested stock awards			1.1			0.8			1.2			0.8
Weighted-average shares – diluted			279.3			276.2			278.6			275.9
Net income per average common share available to common stockholders
Basic		$	0.45		$	0.25		$	1.04		$	0.98
Diluted			0.45			0.25			1.04			0.98