COMMITMENTS AND CONTINGENT LIABILITIES (Asbestos-Related Matters of Union Carbide Corporation) (Table and Narrative) (Details) (Union Carbide [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2002
Loss Contingencies [Line Items]
Liability for asbestos claims, gross	$ 555		$ 555		$ 602	$ 668	$ 2,200
Percentage of recorded asbestos liability related to pending claims	19.00%		19.00%		18.00%
Percentage of recorded asbestos liability related to future claims	81.00%		81.00%		82.00%
Estimated insurance recoveries	165		165		179		1,350
Defense and resolution costs for asbestos related claims	26	25	77	73
Estimated Insurance Recoveries Carriers Without Settlement Agreements [Member]
Loss Contingencies [Line Items]
Estimated insurance recoveries	25		25		25
Estimated Insurance Recoveries Defense Costs [Member]
Loss Contingencies [Line Items]
Estimated insurance recoveries	16		16		17
Estimated Insurance Recoveries Resolution Costs [Member]
Loss Contingencies [Line Items]
Estimated insurance recoveries	$ 124		$ 124		$ 137