Divestitures and Other Transactions (Schedule of cash flow information of discontinued operations) (Details) - Performance Chemicals [Member] - 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]
Depreciation	$ 0	$ 62
Amortization of intangible assets	0	1
Purchases of property, plant and equipment	$ 0	$ 150