Consolidated Statements of Changes in Equity - 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 (in shares) at Dec. 31, 2013		177,087,000					138,632,000
Beginning balance at Dec. 31, 2013	$ 7,954	$ 3,907	$ 4,150	$ (136)	$ 33
Beginning balance at Dec. 31, 2013						$ 4,854	$ 1,386	$ 2,210	$ 1,274	$ (16)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	911		905		6
Net Income	905					532			532
Dividends declared on common stock	(476)		(476)			(370)			(370)
Transfer of benefit obligations, net of tax						0
Repurchase of common stock (in shares)		(713,000)
Repurchase of common stock	(52)	$ (52)
Benefit obligations, net of tax	(18)			(18)		(10)				(10)
Net change in unrealized gains on investments, net of tax	1			1		0
Capital contribution by parent company						190		190
Foreign currency translation	(2)			(2)
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other (in shares)		617,000
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other	24	$ 49	(1)		(24)
Ending balance (in shares) at Dec. 31, 2014		176,991,000					138,632,000
Ending balance at Dec. 31, 2014	8,342	$ 3,904	4,578	(155)	15
Ending balance at Dec. 31, 2014						5,196	$ 1,386	2,400	1,436	(26)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	720		727		(7)
Net Income	727					544			544
Dividends declared on common stock	(510)		(510)			(395)			(395)
Transfer of benefit obligations, net of tax						27				27
Issuance of common stock (in shares)		105,000
Issuance of common stock	9	$ 9
Contribution of common stock to VEBA Trust (in shares)		1,428,000
Contribution of common stock to VEBA Trust	117	$ 117
Benefit obligations, net of tax	13			13		0
Net change in unrealized gains on investments, net of tax	1			1		1				1
Capital contribution by parent company						$ 300		300
Foreign currency translation	(4)			(4)
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other (in shares)		946,000
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other	$ 107	$ 93	(1)		15
Ending balance (in shares) at Dec. 31, 2015	179,470,213	179,470,000				138,632,324	138,632,000
Ending balance at Dec. 31, 2015	$ 8,795	$ 4,123	4,794	(145)	23
Ending 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	834		868		(34)
Net Income	868					622			622
Dividends declared on common stock	(548)		(548)			(420)			(420)
Transfer of benefit obligations, net of tax						0
Repurchase of common stock (in shares)		(394,000)
Repurchase of common stock	(33)	$ (33)
Premium on equity units	(98)	(98)
Issuance costs of equity units	(18)	$ (18)
Acquisition of SGG	390				390
Benefit obligations, net of tax	11			11		0
Net change in unrealized gains on investments, net of tax	1			1		0
Capital contribution by parent company						$ 120		120
Foreign currency translation	0
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other (in shares)		357,000
Stock-based compensation, distributions to and net contributions from noncontrolling interests, and other	$ 162	$ 56	(3)		109
Ending balance (in shares) at Dec. 31, 2016	179,432,581	179,433,000				138,632,324	138,632,000
Ending balance at Dec. 31, 2016	$ 9,499	$ 4,030	5,114	$ (133)	$ 488
Ending balance at Dec. 31, 2016	9,011					$ 5,995	$ 1,386	$ 2,820	$ 1,787	$ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Implementation of ASU 2016-09	$ 3		$ 3