Divestitures and Other Transactions (Schedule of results of operations from discontinued operations) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations after income taxes	$ 3	$ 14
Performance Chemicals [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	1,335
Cost of goods sold	0	1,037
Other operating charges	7	135
Selling, general and administrative expenses	0	92
Research and development expense	0	20
Other income, net	0	1
(Loss) income from discontinued operations before income taxes	(7)	50
(Benefit) provision for income taxes	(3)	36
(Loss) income from discontinued operations after income taxes	$ (4)	$ 14