CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES AND OTHER INCOME
Net sales	$ 5,216	$ 2,999	$ 13,062	$ 9,016
Interest, dividends and other income	34	20	101	72
Gain on sale of assets, net	926	86	969	598
TOTAL REVENUES AND OTHER INCOME	6,176	3,105	14,132	9,686
COSTS AND OTHER DEDUCTIONS
Cost of sales	1,786	1,357	4,614	4,269
Selling, general and administrative and other operating expenses	431	352	1,140	976
Taxes other than on income	110	76	333	221
Depreciation, depletion and amortization	1,023	995	2,891	2,926
Asset impairments and related items	214	11	256	24
Exploration expense	24	8	60	27
Interest and debt expense, net	96	91	290	258
TOTAL COSTS AND OTHER DEDUCTIONS	3,684	2,890	9,584	8,701
Income before income taxes and other items	2,492	215	4,548	985
Provision for domestic and foreign income taxes	(710)	(85)	(1,351)	(448)
Income from equity investments	87	60	228	277
NET INCOME	$ 1,869	$ 190	$ 3,425	$ 814
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 2.44	$ 0.25	$ 4.46	$ 1.06
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	2.44	0.25	4.45	1.06
DIVIDENDS PER COMMON SHARE (in dollars per share)	$ 0.78	$ 0.77	$ 2.32	$ 2.29