Consolidated Statements of Changes in Equity (Unaudited) - 3 months ended Mar. 31, 2016 - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-Controlling 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)	240		247		(7)
Net Income (Loss)	247					127			127
Dividends declared on common stock	(131)		(131)			$ (105)			(105)
Repurchase of common stock, Shares		(394,000)
Repurchase of common stock	(33)	$ (33)
Benefit obligations, net of tax	3			3
Foreign currency translation	2			2
Stock-based compensation, net contributions from noncontrolling interests, and other, Shares		359,000
Stock-based compensation, net contributions from noncontrolling interests, and other	$ 34	$ 28	(1)		7
Ending Balance, shares at Mar. 31, 2016	179,435,404	179,435,000				138,632,324	138,632,000
Ending Balance at Mar. 31, 2016	$ 8,910	$ 4,118	$ 4,909	$ (140)	$ 23
Ending Balance at Mar. 31, 2016	$ 8,887					$ 5,695	$ 1,386	$ 2,700	$ 1,607	$ 2