DIVESTITURES (Divestiture of Polypropylene Licensing and Catalysts Business) (Details) - Polypropylene Licensing and Catalyst Busines [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 0	$ 0	$ 5
Performance Plastics [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			5
Disposal Group Not Discontinued Operation Gain (Loss) On Disposal After Tax			$ 3