Earnings Per Share - CMS Energy (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Basic And Diluted EPS Computations

Presented in the following table are CMS Energy’s basic and diluted EPS computations based on net income:

In Millions, Except Per Share Amounts
	Three Months Ended						Nine Months Ended
September 30	2018			2017			2018			2017
Income available to common stockholders
Net income		$	169		$	172		$	550		$	464
Less income attributable to noncontrolling interests		—			—			1			1
Net income available to common stockholders – basic and diluted		$	169		$	172		$	549		$	463
Average common shares outstanding
Weighted-average shares – basic		282.5			280.8			282.1			279.8
Add dilutive nonvested stock awards		0.7			0.8			0.7			0.8
Weighted-average shares – diluted		283.2			281.6			282.8			280.6
Net income per average common share available to common stockholders
Basic		$	0.60		$	0.61		$	1.95		$	1.65
Diluted		0.59			0.61			1.94			1.65