Earnings Per Share (Notes)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

The Company 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 as of December 31:

	2014		2013		2012
	(In millions, expect per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	905	$	661	$	610
Average number of common shares outstanding	177		175		171
Weighted average net restricted shares outstanding	—		1		1
Dividends declared — common shares	$	475	$	453	$	413
Dividends declared — net restricted shares	1		1		1
Total distributed earnings	$	476	$	454	$	414
Net income less distributed earnings	$	429	$	207	$	196
Distributed (dividends per common share)	$	2.69	$	2.59	$	2.42
Undistributed	2.42		1.17		1.14
Total Basic Earnings per Common Share	$	5.11	$	3.76	$	3.56
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	905	$	661	$	610
Average number of common shares outstanding	177		175		171
Average incremental shares from assumed exercise of options	—		—		1
Common shares for dilutive calculation	177		175		172
Weighted average net restricted shares outstanding	—		1		1
Dividends declared — common shares	$	475	$	453	$	413
Dividends declared — net restricted shares	1		1		1
Total distributed earnings	$	476	$	454	$	414
Net income less distributed earnings	$	429	$	207	$	196
Distributed (dividends per common share)	$	2.69	$	2.59	$	2.42
Undistributed	2.41		1.17		1.13
Total Diluted Earnings per Common Share	$	5.10	$	3.76	$	3.55