Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current Assets
Cash and Cash Equivalents	$ 1,028	$ 1,183
Accounts Receivable, Net	450	857
Commodity Derivative Assets, Current	582	710
Other Current Assets	216	325
Total Current Assets	2,276	3,075
Property, Plant and Equipment
Oil and Gas Properties (Successful Efforts Method of Accounting)	31,220	25,599
Property, Plant and Equipment, Other	858	630
Total Property, Plant and Equipment, Gross	32,078	26,229
Accumulated Depreciation, Depletion and Amortization	(10,778)	(8,086)
Total Property, Plant and Equipment, Net	21,300	18,143
Goodwill	0	620
Other Noncurrent Assets	620	680
Total Assets	24,196	22,518
Current Liabilities
Accounts Payable - Trade	1,128	1,578
Other Current Liabilities	677	944
Total Current Liabilities	1,805	2,522
Long-Term Debt	7,976	6,068
Deferred Income Taxes, Noncurrent	2,826	2,516
Other Noncurrent Liabilities	1,219	1,087
Total Liabilities	13,826	12,193
Shareholders’ Equity
Preferred Stock - Par Value $1.00 per share; 4 Million Shares Authorized, None Issued	0	0
Common Stock - Par Value $0.01; 1 Billion and 500 Million Shares Authorized; 470 Million and 402 Million Shares Issued, Respectively	5	4
Additional Paid in Capital	6,360	3,624
Accumulated Other Comprehensive Loss	(33)	(90)
Treasury Stock, at Cost; 38 Million Shares	(688)	(671)
Retained Earnings	4,726	7,458
Total Shareholders’ Equity	10,370	10,325
Total Liabilities and Shareholders’ Equity	$ 24,196	$ 22,518