CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
CURRENT ASSETS
Cash and cash equivalents	$ 3,176	$ 3,201
Restricted cash		1,193
Trade receivables, net	2,780	2,970
Inventories	997	986
Assets held for sale		141
Other current assets	1,284	911
Total current assets	8,237	9,402
Investments
Investments in unconsolidated entities	1,301	1,267
Available for sale investment		167
Total investments	1,301	1,434
Property, plant and equipment, net of accumulated depreciation, depletion and amortization of $40,138 at March 31, 2016 and $39,419 at December 31, 2015	31,505	31,639
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	975	934
TOTAL ASSETS	42,018	43,409
CURRENT LIABILITIES
Current maturities of long-term debt	2,000	1,450
Accounts payable	2,801	3,069
Accrued liabilities	2,025	2,213
Liabilities of assets held for sale		110
Total current liabilities	6,826	6,842
LONG-TERM DEBT, NET	5,608	6,855
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred domestic and foreign income taxes	1,642	1,323
Other	4,153	4,039
Total deferred credits and other liabilities	5,795	5,362
STOCKHOLDERS' EQUITY
Common stock, at par value (891,624,588 shares at March 31, 2016 and 891,360,091 shares issued at December 31, 2015)	178	178
Treasury stock (127,784,706 shares at March 31, 2016 and 127,681,335 shares at December 31, 2015)	9,128	9,121
Additional paid-in capital	7,668	7,640
Retained earnings	25,375	25,960
Accumulated other comprehensive loss	(304)	(307)
Total stockholders' equity	23,789	24,350
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 42,018	$ 43,409