Discontinued Operations (Notes)

9 Months Ended

Sep. 30, 2013

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]

DISCONTINUED OPERATIONS

Sale of Unconventional Gas Production Business

In December 2012, the Company sold its 100% equity interest in its Unconventional Gas Production business which consisted of gas and oil production assets in the western Barnett and Marble Falls shale areas of Texas. The activity of the discontinued business for the three and nine months ended September 30, 2012 is shown below. The amounts exclude general corporate overhead costs, and the related tax effects, and no portion of corporate interest costs were allocated to discontinued operations.

	Three Months Ended		Nine Months Ended
	September 30, 2012		September 30, 2012
	(In millions)
Operating Revenues	$	16	$	38
Operation and Maintenance	6		16
Depreciation, Depletion and Amortization	6		17
Taxes Other Than Income	1		2
Operating Income	3		3
Other (Income) and Deductions	1		4
Income Tax Expense (Benefit)	1		(1		)
Net Income Attributable to DTE Energy Company	$	1	$	—