Earnings Per Share (Notes)

12 Months Ended

Dec. 31, 2013

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:

	2013		2012		2011
	(In millions, expect per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	661	$	610	$	711
Average number of common shares outstanding	175		171		169
Weighted average net restricted shares outstanding	1		1		1
Dividends declared — common shares	$	453	$	413	$	392
Dividends declared — net restricted shares	1		1		1
Total distributed earnings	$	454	$	414	$	393
Net income less distributed earnings	$	207	$	196	$	318
Distributed (dividends per common share)	$	2.59	$	2.42	$	2.32
Undistributed	1.17		1.14		1.87
Total Basic Earnings per Common Share	$	3.76	$	3.56	$	4.19
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	661	$	610	$	711
Average number of common shares outstanding	175		171		169
Average incremental shares from assumed exercise of options	—		1		1
Common shares for dilutive calculation	175		172		170
Weighted average net restricted shares outstanding	1		1		1
Dividends declared — common shares	$	453	$	413	$	392
Dividends declared — net restricted shares	1		1		1
Total distributed earnings	$	454	$	414	$	393
Net income less distributed earnings	$	207	$	196	$	318
Distributed (dividends per common share)	$	2.59	$	2.42	$	2.32
Undistributed	1.17		1.13		1.86
Total Diluted Earnings per Common Share	$	3.76	$	3.55	$	4.18