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COMMITMENTS AND CONTINGENT LIABILITIES (Asbestos-Related Matters of Union Carbide Corporation) (Table and Narrative) (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2002
Loss Contingencies [Line Items]                
Asbestos-related charge $ (1,113,000,000.00) $ (0.00) $ (0.00) $ (0.00) $ 0 $ (1,113,000,000.00) $ 0  
Union Carbide Corporation | Asbestos Related Matters [Member]                
Loss Contingencies [Line Items]                
Liability for asbestos-related pending and future claims $ 1,490,000,000       $ 1,369,000,000 $ 1,490,000,000    
Percentage of recorded asbestos liability related to pending claims 14.00%       16.00% 14.00%    
Percentage of recorded asbestos liability related to future claims 86.00%       84.00% 86.00%    
Union Carbide Corporation | Asbestos Related Matters, Pending and Future Claims                
Loss Contingencies [Line Items]                
Liability for asbestos-related pending and future claims $ 486,000,000         $ 486,000,000   $ 2,200,000,000
Increase in liability           104,000,000    
Union Carbide Corporation | Asbestos Related Matters, Pending and Future Claims | Minimum                
Loss Contingencies [Line Items]                
Estimate of possible loss 502,000,000         502,000,000    
Union Carbide Corporation | Asbestos Related Matters, Pending and Future Claims | Maximum                
Loss Contingencies [Line Items]                
Estimate of possible loss 565,000,000         565,000,000    
Union Carbide Corporation | Asbestos Related Matters, Defense and Processing Costs                
Loss Contingencies [Line Items]                
Asbestos-related charge 1,009,000,000              
Union Carbide Corporation | Asbestos Related Matters, Defense and Processing Costs | Minimum                
Loss Contingencies [Line Items]                
Estimate of possible loss 1,009,000,000         1,009,000,000    
Union Carbide Corporation | Asbestos Related Matters, Defense and Processing Costs | Maximum                
Loss Contingencies [Line Items]                
Estimate of possible loss $ 1,081,000,000         $ 1,081,000,000