CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 3,771	$ 1,592
Trade receivables, net	5,653	4,916
Inventories	1,328	1,344
Other current assets	1,186	1,640
Total current assets	11,938	9,492
INVESTMENTS IN UNCONSOLIDATED ENTITIES	1,713	1,894
PROPERTY, PLANT AND EQUIPMENT, net of accumulated depreciation, depletion and amortization of $31,844 at September 30, 2013 and $28,032 at December 31, 2012	55,027	52,064
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	759	760
TOTAL ASSETS	69,437	64,210
CURRENT LIABILITIES
Current maturities of long-term debt	600	600
Accounts payable	5,671	4,708
Accrued liabilities	2,488	1,966
Domestic and foreign income taxes	83	16
Total current liabilities	8,842	7,290
LONG-TERM DEBT, NET	6,961	7,023
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred domestic and foreign income taxes	7,048	6,039
Other	3,618	3,810
Total deferred credits and other liabilities	10,666	9,849
STOCKHOLDERS' EQUITY
Common stock, at par value	178	178
Treasury stock	(5,148)	(5,091)
Additional paid-in capital	7,508	7,441
Retained earnings	40,700	37,990
Accumulated other comprehensive loss	(448)	(502)
Total equity attributable to common stock	42,790	40,016
Noncontrolling interest	178	32
Total stockholders' equity	42,968	40,048
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 69,437	$ 64,210