CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 2,532	$ 2,697
Accounts receivable, net of allowance:
Customers	1,352	1,269
Others	1,572	1,990
Algeria exceptional profits tax settlement	1,122
Other current assets	746	975
Total	7,324	6,931
Properties and Equipment
Cost	62,125	60,081
Less accumulated depreciation, depletion, and amortization	24,149	22,580
Net properties and equipment	37,976	37,501
Other Assets	1,664	1,516
Goodwill and Other Intangible Assets	5,754	5,831
Total Assets	52,718	51,779
Current Liabilities
Accounts payable	2,882	3,299
Accrued expenses	903	1,430
Current portion of long-term debt	1,039	170
Total	4,824	4,899
Long-term Debt	13,102	15,060
Other Long-term Liabilities
Deferred income taxes	8,743	8,479
Asset retirement obligations	1,669	1,737
Other	2,949	2,621
Total	13,361	12,837
Stockholders' equity
Common stock, par value $0.10 per share (1.0 billion shares authorized, 517.7 million and 516.0 million shares issued as of September 30, 2012, and December 31, 2011, respectively)	51	51
Paid-in capital	8,062	7,851
Retained earnings	13,671	11,619
Treasury stock (18.0 million and 17.6 million shares as of September 30, 2012, and December 31, 2011, respectively)	(830)	(804)
Accumulated other comprehensive income (loss)	(561)	(612)
Total Stockholders' Equity	20,393	18,105
Noncontrolling interests	1,038	878
Total Equity	21,431	18,983
Total Liabilities and Equity	$ 52,718	$ 51,779