Earnings Per Share (Notes)

3 Months Ended

Mar. 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 for the three months ended March 31:

	Three Months Ended
	March 31,
	2014		2013
	(In millions, except per share amounts)
Basic Earnings per Share
Net income attributable to DTE Energy Company	$	326	$	234
Average number of common shares outstanding	177		173
Weighted average net restricted shares outstanding	—		1
Dividends declared — common shares	$	116	$	107
Dividends declared — net restricted shares	—		1
Total distributed earnings	$	116	$	108
Net income less distributed earnings	$	210	$	126
Distributed (dividends per common share)	$	0.66	$	0.62
Undistributed	1.18		0.73
Total Basic Earnings per Common Share	$	1.84	$	1.35
Diluted Earnings per Share
Net income attributable to DTE Energy Company	$	326	$	234
Average number of common shares outstanding	177		173
Weighted average net restricted shares outstanding	—		1
Dividends declared — common shares	$	116	$	107
Dividends declared — net restricted shares	—		1
Total distributed earnings	$	116	$	108
Net income less distributed earnings	$	210	$	126
Distributed (dividends per common share)	$	0.66	$	0.62
Undistributed	1.18		0.72
Total Diluted Earnings per Common Share	$	1.84	$	1.34