Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of both calculations is presented in the following table for the three and six months ended June 30:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2014		2013			2014		2013
	(In millions, except per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	124	$	105		$	450	$	339
Average number of common shares outstanding	177		174			177		174
Weighted average net restricted shares outstanding	—		1			—		1
Dividends declared — common shares	$	116	$	114		$	231	$	222
Dividends declared — net restricted shares	—		1			1		—
Total distributed earnings	$	116	$	115		$	232	$	222
Net income less distributed earnings	$	8	$	(10	)	$	218	$	117
Distributed (dividends per common share)	$	0.66	$	0.66		$	1.31	$	1.28
Undistributed	0.04		(0.06		)	1.23		0.66
Total Basic Earnings per Common Share	$	0.70	$	0.60		$	2.54	$	1.94
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	124	$	105		$	450	$	339
Average number of common shares outstanding	177		175			177		174
Weighted average net restricted shares outstanding	—		1			—		1
Dividends declared — common shares	$	116	$	114		$	231	$	222
Dividends declared — net restricted shares	—		1			1		—
Total distributed earnings	$	116	$	115		$	232	$	222
Net income less distributed earnings	$	8	$	(10	)	$	218	$	117
Distributed (dividends per common share)	$	0.66	$	0.66		$	1.31	$	1.28
Undistributed	0.04		(0.06		)	1.23		0.66
Total Diluted Earnings per Common Share	$	0.70	$	0.60		$	2.54	$	1.94