CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 4,581	$ 2,471
Accounts receivable (net of allowance of $5 million and $7 million)
Customers	1,302	1,473
Others	1,254	1,274
Algeria exceptional profits tax settlement	32	730
Other current assets	730	847
Total	7,899	6,795
Properties and Equipment
Cost	66,975	63,598
Less accumulated depreciation, depletion, and amortization	27,144	25,200
Net properties and equipment	39,831	38,398
Other Assets	1,893	1,716
Goodwill and Other Intangible Assets	5,677	5,680
Total Assets	55,300	52,589
Current Liabilities
Accounts payable	3,286	2,989
Current asset retirement obligations	285	298
Accrued expenses	1,442	707
Total	5,013	3,994
Long-term Debt	13,538	13,269
Other Long-term Liabilities
Deferred income taxes	9,378	8,759
Asset retirement obligations	1,630	1,587
Other	2,032	3,098
Total	13,040	13,444
Stockholders' equity
Common stock, par value $0.10 per share (1.0 billion shares authorized, 521.2 million and 518.6 million shares issued)	52	51
Paid-in capital	8,481	8,230
Retained earnings	15,126	13,829
Treasury stock (18.5 million and 18.1 million shares)	(871)	(841)
Accumulated other comprehensive income (loss)	(599)	(640)
Total Stockholders’ Equity	22,189	20,629
Noncontrolling interests	1,520	1,253
Total Equity	23,709	21,882
Total Liabilities and Equity	$ 55,300	$ 52,589