Acquisitions and Divestitures (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of estimated allocation of the adjusted purchase price to specific assets and liabilities assumed

Allocation of purchase price	May 24, 2012
	(in millions)
Current assets	$	587
Non-current assets	446
Property, plant and equipment	6,897
Current liabilities	(420		)
Non-current liabilities	(297		)
Total purchase price	$	7,213

Schedule of unaudited pro forma information

	Year ended December 31, 2012		Year ended December 31, 2011
	(in millions)
Operating Revenues	$	1,659	$	1,756
Net Income	143		454

Summary of operating results and financial position data of discontinued operations

Summarized operating results and financial position data of our discontinued operations were as follows (in millions):

	Successor					Predecessor
	Year ended December 31, 2013			March 23 to December 31, 2012		January 1 to May 24, 2012			Year ended December 31, 2011
Operating revenues	$	297		$	262	$	46		$	111

Operating expenses
Natural gas purchases	19			23		—			—
Transportation costs	18			22		—			—
Lease operating expense	76			65		16			40
Depreciation, depletion and amortization	48			59		12			33
Impairment and ceiling test charges	44			—		—			152
Other expense	41			50		20			31
Total operating expenses	246			219		48			256

Gain on sale of assets	468			—		—			—
Other (expense) income	(2		)	3		(5		)	(1		)
Income (loss) from discontinued operations before income taxes	517			46		(7		)	(146		)
Income tax expense (benefit)	7			2		2			(23		)
Income (loss) from discontinued operations, net of tax	$	510		$	44	$	(9	)	$	(123	)

	December 31, 2013		December 31, 2012
Assets of discontinued operations
Current assets	$	26	$	95
Property, plant and equipment, net	52		1,019
Other non-current assets	10		13
Total assets of discontinued operations	$	88	$	1,127
Liabilities of discontinued operations
Accounts payable	$	39	$	84
Other current liabilities	10		16
Asset retirement obligations	37		146
Other non-current liabilities	5		7
Total liabilities of discontinued operations	$	91	$	253

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

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