Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Revenues
Oil, Gas and NGL Sales	$ 934		$ 783		$ 1,970		$ 1,500
Income from Equity Method Investees	32		48		86		96
Other Revenues	0	[1]	11	[1]	0	[1]	33	[1]
Total Revenues	966		842		2,056		1,629
Costs and Expenses
Production Expense	169		137		334		264
Exploration Expense	167		67		227		137
Depreciation, Depletion and Amortization	325		211		619		404
General and Administrative	96		82		193		164
Asset Impairments	73	[2]	131	[2]	73	[2]	137	[2]
Other Operating (Income) Expense, Net	(2)		(11)		10		18
Total	828		617		1,456		1,124
Operating Income	138		225		600		505
Other (Income) Expense
Gain (Loss) on Commodity Derivative Instruments	(276)		(143)		(180)		143
Interest, Net of Amount Capitalized	27		21		59		37
Other Non-Operating (Income) Expense, Net	(3)		(9)		(3)		0
Total	(252)		(131)		(124)		180
Income from Continuing Operations Before Income Taxes	390		356		724		325
Income Tax Provision	115		87		200		90
Income from Continuing Operations	275		269		524		235
Discontinued Operations, Net of Tax	17		25		32		73
Net Income	$ 292		$ 294		$ 556		$ 308
Income from Continuing Operations (in dollars per share)	$ 1.55		$ 1.51		$ 2.95		$ 1.33
Discontinued Operations, Net of Tax (in dollars per share)	$ 0.09		$ 0.15		$ 0.18		$ 0.42
Net Income (in dollars per share)	$ 1.64		$ 1.66		$ 3.13		$ 1.75
Income from Continuing Operations (in dollars per share)	$ 1.49		$ 1.47		$ 2.88		$ 1.31
Discontinued Operations, Net of Tax (in dollars per share)	$ 0.09		$ 0.14		$ 0.18		$ 0.42
Net Income (in dollars per share)	$ 1.58		$ 1.61		$ 3.06		$ 1.73
Weighted Average Number of Shares Outstanding, Basic (in shares)	178		176		178		176
Weighted Average Number of Shares Outstanding, Diluted (in shares)	180		179		180		178

[1] Other revenues consist of electricity sales from the Machala power plant, located in Machala, Ecuador, through May 2011. Electricity generation expense includes all operating and non-operating expenses associated with the plant, including depreciation and changes in the allowance for doubtful accounts. In May 2011, we transferred our assets in Ecuador to the Ecuadorian government.

[2] See Note 4. Asset Impairments.