Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Segment Information

(millions)	Consolidated			United States			West Africa			Eastern Mediterranean		Other Int'l & Corporate
Three Months Ended June 30, 2015
Revenues from Third Parties	$	722		$	441		$	174		$	106	$	1
Income (Loss) from Equity Method Investees	6			8			(2		)	—		—
Other	2			2			—			—		—
Total Revenues	730			451			172			106		1
DD&A	451			344			79			15		13
Gain on Divestitures	(1		)	(1		)	—			—		—
Asset Impairments	15			8			—			7		—
Loss on Commodity Derivative Instruments	87			62			25			—		—
Income (Loss) Before Income Taxes	(293		)	(163		)	23			69		(222		)
Three Months Ended June 30, 2014
Revenues from Third Parties	$	1,338		$	842		$	339		$	113	$	44
Income from Equity Method Investees	45			—			45			—		—
Total Revenues	1,383			842			384			113		44
DD&A	413			311			72			15		15
Gain on Divestitures	(44		)	(8		)	—			—		(36		)
Asset Impairments	34			18			—			14		2
Loss on Commodity Derivative Instruments	236			170			66			—		—
Income (Loss) Before Income Taxes	233			199			204			44		(214		)
Six Months Ended June 30, 2015
Revenues from Third Parties	$	1,462		$	919		$	312		$	226	$	5
Income from Equity Method Investees	24			19			5			—		—
Other	4			4			—			—		—
Total Revenues	1,490			942			317			226		5
DD&A	905			701			156			30		18
Gain on Divestitures	—			—			—			—		—
Asset Impairments	43			11			—			32		—
Gain on Commodity Derivative Instruments	(63		)	(43		)	(20		)	—		—
Income (Loss) Before Income Taxes	(334		)	(164		)	97			120		(387		)
Six Months Ended June 30, 2014
Revenues from Third Parties	$	2,665		$	1,684		$	662		$	225	$	94
Income from Equity Method Investees	97			—			97			—		—
Total Revenues	2,762			1,684			759			225		94
DD&A	837			619			148			29		41
Gain on Divestitures	(42		)	(6		)	—			—		(36		)
Asset Impairments	131			23			—			14		94
Loss on Commodity Derivative Instruments	311			246			65			—		—
Income (Loss) Before Income Taxes	510			382			465			121		(458		)
June 30, 2015
Total Assets	$	22,685		$	16,755		$	2,628		$	2,802	$	500
December 31, 2014
Total Assets	22,553			16,400			2,763			2,806		584