Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS
Cash and cash equivalents	$ 1,672	$ 2,233
Trade receivables, net of reserves of $16 in 2017 and $16 in 2016	4,145	3,989
Inventories	1,246	866
Assets held for sale	474
Other current assets	733	1,340
Total current assets	8,270	8,428
INVESTMENTS
Investment in unconsolidated entities	1,515	1,401
PROPERTY, PLANT AND EQUIPMENT
Oil and gas segment	53,409	54,673
Chemical segment	6,847	6,930
Midstream and marketing	9,493	9,216
Corporate	497	474
GROSS PROPERTY, PLANT AND EQUIPMENT	70,246	71,293
Accumulated depreciation, depletion and amortization	(39,072)	(38,956)
Property, plant and equipment, net	31,174	32,337
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET	1,067	943
TOTAL ASSETS	42,026	43,109
CURRENT LIABILITIES
Current maturities of long-term debt	500
Accounts payable	4,408	3,926
Accrued liabilities	2,492	2,436
Total current liabilities	7,400	6,362
LONG-TERM DEBT, NET	9,328	9,819
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred domestic and foreign income taxes	581	1,132
Asset retirement obligations	1,241	1,245
Pension and postretirement obligations	1,005	963
Environmental remediation reserves	728	739
Other	1,171	1,352
Total deferred credits and other liabilities	4,726	5,431
STOCKHOLDERS' EQUITY
Common stock, $0.20 per share par value, authorized shares: 1.1 billion, issued shares: 2017 - 893,468,707 and 2016 - 892,214,604	179	178
Treasury stock: 2017 - 128,364,195 shares and 2016 - 127,977,306 shares	(9,168)	(9,143)
Additional paid-in capital	7,884	7,747
Retained earnings	21,935	22,981
Accumulated other comprehensive loss	(258)	(266)
Total stockholders' equity	20,572	21,497
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 42,026	$ 43,109