Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2012

Discontinued Operations and Disposal Groups [Abstract]

Summarized Financial Information for Discontinued Operations

Summarized results of discontinued operations for EME are:

	Year Ended December 31,
(in millions)	2012			2011			2010
Total operating revenues	$	395		$	527		$	636
Total operating expenses	(496		)	(538		)	(522		)
Asset impairment and other charges	(89		)	(1,032		)	(1		)
Other income (expense)	5			—			13
Income (loss) before income taxes	(185		)	(1,043		)	126
Provision (benefit) for income taxes	(73		)	(411		)	44
Income (loss) from operations of discontinued operations	$	(112	)	$	(632	)	$	82

The assets and liabilities associated with the discontinued operations are segregated on the consolidated balance sheets as follows:

	December 31,
(in millions)	2012			2011
Cash and cash equivalents	$	2		$	79
Other current assets	7			128
Carrying value adjustment	(9		)	—
Total current assets	—			207
Other long-term assets	—			45
Assets of discontinued operations	—			252
Total current liabilities	—			27
Other long-term liabilities	—			9
Liabilities of discontinued operations	$	—		$	36