Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following is a reconciliation of DTE Energy's basic and diluted income per share calculation:

	Three Months Ended March 31,
	2017			2016
	(In millions, except per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	400		$	247
Less allocation of earnings to net restricted stock awards	(1		)	—
Net income available to common shareholders — basic	$	399		$	247
Average number of common shares outstanding	179			179
Basic Earnings per Common Share	$	2.23		$	1.38
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	400		$	247
Less allocation of earnings to net restricted stock awards	(1		)	—
Net income available to common shareholders — diluted	$	399		$	247
Average number of common shares outstanding	179			180
Diluted Earnings per Common Share(a)	$	2.23		$	1.37

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(a) The October 2016 Equity Units are potentially dilutive securities but were excluded from the calculation of diluted EPS for the three months ended March 31, 2017, as the dilutive stock price threshold was not met.