CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 4,410	$ 3,781
Trade receivables, net	4,959	5,395
Marketing and trading assets and other	911	916
Inventories	1,499	1,069
Prepaid expenses and other	354	381
Total current assets	12,133	11,542
INVESTMENTS IN UNCONSOLIDATED ENTITIES	1,972	2,072
PROPERTY, PLANT AND EQUIPMENT, net of accumulated depreciation, depletion and amortization of $25,805 at June 30, 2012 and $23,687 at December 31, 2011	49,397	45,684
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	781	746
TOTAL ASSETS	64,283	60,044
CURRENT LIABILITIES
Accounts payable	5,453	5,304
Accrued liabilities	2,434	2,533
Domestic and foreign income taxes		110
Total current liabilities	7,887	7,947
LONG-TERM DEBT, NET	7,620	5,871
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred and other domestic and foreign income taxes	5,644	4,846
Other	3,582	3,760
Total deferred credits and other liabilities	9,226	8,606
STOCKHOLDERS' EQUITY
Common stock, at par value	177	177
Treasury stock	(4,660)	(4,502)
Additional paid-in capital	7,371	7,286
Retained earnings	37,152	35,142
Accumulated other comprehensive loss	(490)	(483)
Total stockholders' equity	39,550	37,620
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 64,283	$ 60,044