Acquisitions Discontinued Operations - Income Statement Data (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
REVENUES	$ 2,312	$ 1,970	$ 6,580	$ 5,474
Cost of products sold	1,927	1,585	5,478	4,445
Operating expenses	236	250	727	727
Depreciation, depletion and amortization	5	47	68	149
Selling, general and administrative	57	37	122	74
Disposal Group, Including Discontinued Operations, Total Costs and Expenses	2,225	1,919	6,395	5,395
OPERATING INCOME	87	51	185	79
Interest expense, net	13	7	22	22
Other, net	38	1	367	4
INCOME (LOSS) FROM DISCONTINUED OPERATIONS BEFORE INCOME TAX EXPENSE (BENEFIT)	36	43	(204)	53
Discontinued Operation, Tax Effect of Discontinued Operation	30	31	60	29
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES	6	12	(264)	24
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ 0	$ 0	$ (9)	$ 0