Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Current Assets
Cash and Cash Equivalents	$ 953	$ 1,028
Accounts Receivable, Net	531	450
Commodity Derivative Assets, Current	454	582
Other Current Assets	154	216
Total Current Assets	2,092	2,276
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method of Accounting)	31,209	31,220
Property, Plant and Equipment, Other	892	858
Total Property, Plant and Equipment, Gross	32,101	32,078
Accumulated Depreciation, Depletion and Amortization	(11,394)	(10,778)
Total Property, Plant and Equipment, Net	20,707	21,300
Other Noncurrent Assets	614	620
Total Assets	23,413	24,196
Current Liabilities
Accounts Payable - Trade	1,005	1,128
Other Current Liabilities	601	677
Total Current Liabilities	1,606	1,805
Long-Term Debt	7,882	7,976
Deferred Income Taxes, Noncurrent	2,640	2,826
Other Noncurrent Liabilities	1,233	1,219
Total Liabilities	$ 13,361	$ 13,826
Commitments and Contingencies
Shareholders’ Equity
Preferred Stock - Par Value $1.00 per share; 4 Million Shares Authorized, None Issued	$ 0	$ 0
Common Stock - Par Value $0.01 per share; 1 Billion Shares Authorized; 471 Million and 470 Million Shares Issued, respectively	5	5
Additional Paid in Capital	6,378	6,360
Accumulated Other Comprehensive Loss	(33)	(33)
Treasury Stock, at Cost; 38 Million Shares	(696)	(688)
Retained Earnings	4,398	4,726
Total Shareholders’ Equity	10,052	10,370
Total Liabilities and Shareholders’ Equity	$ 23,413	$ 24,196