Consolidated Statements of Changes in Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests	DTE Electric	DTE Electric Common Stock	DTE Electric Additional Paid-in Capital	DTE Electric Retained Earnings	DTE Electric Accumulated Other Comprehensive Income (Loss)
Beginning Balance, shares at Dec. 31, 2015	179,470,213	179,470,000				138,632,324	138,632,000
Beginning Balance at Dec. 31, 2015	$ 8,795	$ 4,123	$ 4,794	$ (145)	$ 23
Beginning Balance at Dec. 31, 2015	8,772					$ 5,673	$ 1,386	$ 2,700	$ 1,585	$ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	385		399		(14)
Net Income (Loss)	399					262			262
Dividends declared on common stock	(400)		(400)			$ (210)			(210)
Repurchase of common stock, Shares		(394,000)
Repurchase of common stock	(33)	$ (33)
Benefit obligations, net of tax	2			2
Foreign currency translation	1			1
Stock-based compensation, net contributions from noncontrolling interests, and other, Shares		359,000
Stock-based compensation, net contributions from noncontrolling interests, and other	$ 49	$ 39	(2)		12
Ending Balance, shares at Jun. 30, 2016	179,435,004	179,435,000				138,632,324	138,632,000
Ending Balance at Jun. 30, 2016	$ 8,799	$ 4,129	$ 4,791	$ (142)	$ 21
Ending Balance at Jun. 30, 2016	$ 8,778					$ 5,725	$ 1,386	$ 2,700	$ 1,637	$ 2