Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of both calculations is presented in the following table:

	Three Months Ended March 31,
	2016		2015
	(In millions, except per share amounts)
Basic Earnings per Share
Net Income Attributable to DTE Energy Company	$	247	$	273
Average number of common shares outstanding	179		178
Dividends declared — common shares	$	131	$	123
Dividends declared — net restricted shares	—		1
Total distributed earnings	$	131	$	124
Net Income less distributed earnings	$	116	$	149
Distributed (dividends per common share)	$	0.73	$	0.69
Undistributed	0.65		0.84
Total Basic Earnings per Common Share	$	1.38	$	1.53
Diluted Earnings per Share
Net Income Attributable to DTE Energy Company	$	247	$	273
Average number of common shares outstanding	180		178
Dividends declared — common shares	$	131	$	123
Dividends declared — net restricted shares	—		1
Total distributed earnings	$	131	$	124
Net Income less distributed earnings	$	116	$	149
Distributed (dividends per common share)	$	0.73	$	0.69
Undistributed	0.64		0.84
Total Diluted Earnings per Common Share	$	1.37	$	1.53