Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Revenues
Oil, Gas and NGL Sales	$ 1,112		$ 830
Income from Equity Method Investees	53		48
Other Revenues	0	[1]	21	[1]
Total	1,165		899
Costs and Expenses
Production Expense	179		142
Exploration Expense	63		70
Depreciation, Depletion and Amortization	312		221
General and Administrative	98		83
Other Operating (Income) Expense, Net	12		36
Total	664		552
Operating Income	501		347
Other (Income) Expense
Loss on Commodity Derivative Instruments	96		286
Interest, Net of Amount Capitalized	32		16
Other Non-Operating (Income) Expense, Net	(1)		8
Total	127		310
Income Before Income Taxes	374		37
Income Tax Provision	111		23
Net Income	$ 263		$ 14
Earnings Per Share, Basic (in dollars per share)	$ 1.48		$ 0.08
Earnings Per Share, Diluted (in dollars per share)	$ 1.47		$ 0.08
Weighted Average Number of Shares Outstanding, Basic (in shares)	177		176
Weighted Average Number of Shares Outstanding, Diluted (in shares)	180		178

[1] Other revenues for first quarter 2011 consist of electricity sales from the Machala power plant located in Machala, Ecuador. 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.