Consolidated Statements of Changes in Equity (Unaudited) - 3 months ended Mar. 31, 2017 - 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, 2016	179,432,581	179,433,000				138,632,324	138,632,000
Beginning Balance at Dec. 31, 2016	$ 9,499	$ 4,030	$ 5,114	$ (133)	$ 488
Beginning Balance at Dec. 31, 2016	9,011					$ 5,995	$ 1,386	$ 2,820	$ 1,787	$ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	394		400		(6)
Net Income	400					106			106
Dividends declared on common stock	(148)		(148)			(108)			(108)
Repurchase of common stock, shares		(524,000)
Repurchase of common stock	(51)	$ (51)
Benefit obligations, net of tax	4			4
Stock-based compensation, net contributions from noncontrolling interests, and other, shares		478,000
Stock-based compensation, net contributions from noncontrolling interests, and other	$ (10)	$ (21)	(1)		12	$ 1			1
Ending Balance, shares at Mar. 31, 2017	179,387,424	179,387,000				138,632,324	138,632,000
Ending Balance at Mar. 31, 2017	$ 9,688	$ 3,958	$ 5,365	$ (129)	$ 494
Ending Balance at Mar. 31, 2017	$ 9,194					$ 5,994	$ 1,386	$ 2,820	$ 1,786	$ 2