CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 2,471	$ 2,697
Accounts receivable (net of allowance of $7 million and $6 million)
Customers	1,473	1,269
Others	1,274	1,990
Algeria exceptional profits tax settlement	730
Other current assets	847	975
Total	6,795	6,931
Properties and Equipment
Cost	63,598	60,081
Less accumulated depreciation, depletion, and amortization	25,200	22,580
Net properties and equipment	38,398	37,501
Other Assets	1,716	1,516
Goodwill and Other Intangible Assets	5,680	5,831
Total Assets	52,589	51,779
Current Liabilities
Accounts payable	2,989	3,299
Accrued expenses	1,005	1,430
Current portion of long-term debt		170
Total	3,994	4,899
Long-term Debt	13,269	15,060
Other Long-term Liabilities
Deferred income taxes	8,759	8,479
Asset retirement obligations	1,587	1,737
Other	3,098	2,621
Total	13,444	12,837
Stockholders' equity
Common stock, par value $0.10 per share (1.0 billion shares authorized, 518.6 million and 516.0 million shares issued)	51	51
Paid-in capital	8,230	7,851
Retained earnings	13,829	11,619
Treasury stock (18.1 million and 17.6 million shares)	(841)	(804)
Accumulated other comprehensive income (loss)	(640)	(612)
Total Stockholders' Equity	20,629	18,105
Noncontrolling interests	1,253	878
Total Equity	21,882	18,983
Total Liabilities and Equity	$ 52,589	$ 51,779