Divestitures and Other Transactions (Schedule of results of operations from discontinued operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations after income taxes	$ (7)	$ 104	$ (7)	$ 89
Performance Chemicals [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	0	0	2,810
Cost of goods sold	0	0	0	2,215
Other operating charges	10	59	30	369
Selling, general and administrative expenses	0	(277)	0	(87)
Research and development expense	0	0	0	40
Other (loss) income, net	0	0	0	27
Interest expense	0	0	0	32
Employee separation / asset related charges, net	0	0	0	59
(Loss) income from discontinued operations before income taxes	(10)	218	(30)	209
(Benefit from) provision for income taxes	(3)	108	(11)	114
(Loss) income from discontinued operations after income taxes	$ (7)	$ 110	$ (19)	$ 95