Discontinued Operations Discontinued Operations (Notes)

6 Months Ended

Jun. 30, 2013

Discontinued Operations [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 six months ended June 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			Six Months Ended
	June 30, 2012			June 30, 2012
	(In millions)
Operating Revenues	$	12		$	22
Operation and Maintenance	5			10
Depreciation, Depletion and Amortization	6			11
Taxes Other Than Income	1			1
Operating Income	—			—
Other (Income) and Deductions	2			3
Income Tax Benefit	(1		)	(2		)
Net Income Attributable to DTE Energy Company	$	(1	)	$	(1	)