DIVESTITURES (Divestiture of Polypropylene Licensing and Catalysts Business) (Details) - Polypropylene Licensing and Catalyst Busines [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013	[1]	Dec. 02, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 490
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		$ 0	$ 5	[1]	$ 451
Performance Plastics [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net value divested							$ 39
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	451		5
Disposal Group Not Discontinued Operation Gain (Loss) On Disposal After Tax	$ 356		$ 3

[1] See Note 5 for additional information.