CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 3,760	$ 3,781
Trade receivables, net	5,354	5,395
Marketing and trading assets and other	1,150	916
Inventories	1,297	1,069
Prepaid expenses and other	348	381
Total current assets	11,909	11,542
INVESTMENTS IN UNCONSOLIDATED ENTITIES	1,982	2,072
PROPERTY, PLANT AND EQUIPMENT, net of accumulated depreciation, depletion and amortization of $26,934 at September 30, 2012 and $23,687 at December 31, 2011	50,963	45,684
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	771	746
TOTAL ASSETS	65,625	60,044
CURRENT LIABILITIES
Accounts payable	5,504	5,304
Accrued liabilities	2,282	2,533
Domestic and foreign income taxes	48	110
Total current liabilities	7,834	7,947
LONG-TERM DEBT, NET	7,622	5,871
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred and other domestic and foreign income taxes	6,111	4,846
Other	3,584	3,760
Total deferred credits and other liabilities	9,695	8,606
STOCKHOLDERS' EQUITY
Common stock, at par value	178	177
Treasury stock	(4,710)	(4,502)
Additional paid-in capital	7,398	7,286
Retained earnings	38,089	35,142
Accumulated other comprehensive loss	(481)	(483)
Total stockholders' equity	40,474	37,620
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 65,625	$ 60,044