Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of both calculations is presented in the following table as of December 31:

	2015		2014		2013
	(In millions, expect per share amounts)
Basic Earnings per Share
Net Income Attributable to DTE Energy Company	$	727	$	905	$	661
Average number of common shares outstanding	179		177		175
Weighted average net restricted shares outstanding	—		—		1
Dividends declared — common shares	$	508	$	475	$	453
Dividends declared — net restricted shares	2		1		1
Total distributed earnings	$	510	$	476	$	454
Net Income less distributed earnings	$	217	$	429	$	207
Distributed (dividends per common share)	$	2.84	$	2.69	$	2.59
Undistributed	1.21		2.42		1.17
Total Basic Earnings per Common Share	$	4.05	$	5.11	$	3.76
Diluted Earnings per Share
Net Income Attributable to DTE Energy Company	$	727	$	905	$	661
Average number of common shares outstanding	179		177		175
Weighted average net restricted shares outstanding	—		—		1
Dividends declared — common shares	$	508	$	475	$	453
Dividends declared — net restricted shares	2		1		1
Total distributed earnings	$	510	$	476	$	454
Net Income less distributed earnings	$	217	$	429	$	207
Distributed (dividends per common share)	$	2.84	$	2.69	$	2.59
Undistributed	1.21		2.41		1.17
Total Diluted Earnings per Common Share	$	4.05	$	5.10	$	3.76