NONCONSOLIDATED AFFILIATES (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013		Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Investments in nonconsolidated affiliates		$ 13	$ 13
Equity Method Investment, Dividends		2	0	$ 62
Undistributed Earnings of Nonconsolidated Affiliates		8	7
Equity in earnings of nonconsolidated affiliates		4	7	82
Dividend, Noncash, Ownership interest in Subsidiary	$ 70
Principal Nonconsolidated Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue		0	0	452	[1]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)		0	0	208	[1]
Equity Method Investment, Summarized Financial Information, Net Income (Loss)		0	0	142	[1]
Investments in nonconsolidated affiliates		0
Equity in earnings of nonconsolidated affiliates		$ 0	$ 0	$ 84
Univation Technologies, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Dividend, Noncash, Ownership interest in Subsidiary	$ 70
Union Carbide Subsidiary C, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Nippon Unicar Company Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage						50.00%
Sale price per agreement	$ 13
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	$ 20

[1] Income statement information for NUC is for the six-month period ended June 30, 2013 and income statement information for Univation is for the nine-month period ended September 30, 2013.