Earnings Per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

DTE Energy reports both basic and diluted earnings per share. The calculation of diluted earnings per share assumes the issuance of potentially dilutive common shares outstanding during the period from the exercise of stock options. A reconciliation of both calculations is presented in the following table for the three months endedMarch 31:

	Three Months Ended March 31,
	2015		2014
	(In millions, except per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	273	$	326
Average number of common shares outstanding	178		177
Dividends declared — common shares	$	123	$	116
Dividends declared — net restricted shares	1		—
Total distributed earnings	$	124	$	116
Net income less distributed earnings	$	149	$	210
Distributed (dividends per common share)	$	0.69	$	0.66
Undistributed	0.84		1.18
Total Basic Earnings per Common Share	$	1.53	$	1.84
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	273	$	326
Average number of common shares outstanding	178		177
Dividends declared — common shares	$	123	$	116
Dividends declared — net restricted shares	1		—
Total distributed earnings	$	124	$	116
Net income less distributed earnings	$	149	$	210
Distributed (dividends per common share)	$	0.69	$	0.66
Undistributed	0.84		1.18
Total Diluted Earnings per Common Share	$	1.53	$	1.84