COMMITMENTS AND CONTINGENT LIABILITIES (Asbestos-Related Matters of Union Carbide Corporation) (Table and Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2002
Loss Contingencies [Line Items]
Liability for asbestos claims, gross	$ 568		$ 568		$ 602	$ 668	$ 2,200
Percentage of recorded asbestos liability related to pending claims	17.00%		17.00%		18.00%
Percentage of recorded asbestos liability related to future claims	83.00%		83.00%		82.00%
Receivables for asbestos-related costs	176		176		179		1,350
Defense and resolution costs for asbestos related claims	29	23	51	48
Receivables for defense costs - carriers with settlement agreements
Loss Contingencies [Line Items]
Receivables for asbestos-related costs	17		17		17
Receivables for resolution costs - carrieres with settlement agreements
Loss Contingencies [Line Items]
Receivables for asbestos-related costs	134		134		137
Receivables for insurance recoveries - carriers without settlement agreements
Loss Contingencies [Line Items]
Receivables for asbestos-related costs	$ 25		$ 25		$ 25