Earnings Per Share - CMS Energy (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share - CMS Energy [Abstract]

Basic And Diluted EPS Computations

In Millions, Except Per Share Amounts
	Three Months Ended						Nine Months Ended
September 30	2017			2016			2017			2016
Income available to common stockholders
Net income		$	172		$	186		$	464		$	475
Less income attributable to noncontrolling interests			-			-			1			1
Net income available to common stockholders – basic and diluted		$	172		$	186		$	463		$	474
Average common shares outstanding
Weighted-average shares – basic			280.8			278.2			279.8			277.7
Add dilutive nonvested stock awards			0.8			1.0			0.8			1.1
Weighted-average shares – diluted			281.6			279.2			280.6			278.8
Net income per average common share available to common stockholders
Basic		$	0.61		$	0.67		$	1.65		$	1.71
Diluted			0.61			0.67			1.65			1.70