Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2016

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 for the three and six months endedJune 30:

	Three Months Ended June 30,					Six Months Ended June 30,
	2016		2015			2016		2015
	(In millions, except per share amounts)
Basic Earnings per Share
Net Income Attributable to DTE Energy Company	$	152	$	109		$	399	$	382
Average number of common shares outstanding	179		179			179		179
Dividends declared — common shares	$	131	$	124		$	261	$	247
Dividends declared — net restricted shares	—		—			1		1
Total distributed earnings	$	131	$	124		$	262	$	248
Net Income less distributed earnings	$	21	$	(15	)	$	137	$	134
Distributed (dividends per common share)	$	0.73	$	0.69		$	1.46	$	1.38
Undistributed	0.11		(0.08		)	0.76		0.75
Total Basic Earnings per Common Share	$	0.84	$	0.61		$	2.22	$	2.13
Diluted Earnings per Share
Net Income Attributable to DTE Energy Company	$	152	$	109		$	399	$	382
Average number of common shares outstanding	179		179			179		179
Average incremental shares from assumed exercise of options	1		—			1		—
Common shares for dilutive calculation	180		179			180		179
Dividends declared — common shares	$	131	$	124		$	261	$	247
Dividends declared — net restricted shares	—		—			1		1
Total distributed earnings	$	131	$	124		$	262	$	248
Net Income less distributed earnings	$	21	$	(15	)	$	137	$	134
Distributed (dividends per common share)	$	0.73	$	0.69		$	1.46	$	1.38
Undistributed	0.11		(0.08		)	0.76		0.75
Total Diluted Earnings per Common Share	$	0.84	$	0.61		$	2.22	$	2.13