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NONCONSOLIDATED AFFILIATES AND RELATED COMPANY TRANSACTIONS, Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 04, 2017
shares
Dec. 23, 2015
USD ($)
Dec. 31, 2016
USD ($)
jointventures
Dec. 31, 2017
USD ($)
jointventures
Dec. 31, 2016
USD ($)
jointventures
Dec. 31, 2015
USD ($)
Jun. 01, 2016
USD ($)
May 31, 2016
Jul. 31, 2015
USD ($)
shares
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Ownership Interest, Number of Affiliates | jointventures     59 53 59        
Concentration Risk, Percentage       98.00% 99.00% 99.00%      
Investment in nonconsolidated affiliates     $ 3,747 $ 3,742 $ 3,747        
Equity Method Investment, Liability, Noncurrent     (1,030) (752) (1,030)        
Equity Method Investment, Net of Investment Liabilities     2,717 2,990 2,717        
Equity Method Investment, Dividends or Distributions       865 685 $ 816      
Exclusive of additional differences for Dow Corning and MEGlobal [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity     (62) (32) (62)        
Hemlock Semiconductor LLC [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Liability, Noncurrent     $ 902 $ 752 $ 902        
Equity Method Investment, Ownership Percentage     50.10% 50.10% 50.10%        
DC HSC Holdings LLC [Member] [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Ownership Percentage     50.00% 50.00% 50.00%        
Dow Corning Corporation [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Investment in nonconsolidated affiliates             $ 1,968    
Equity Method Investment, Ownership Percentage           50.00% 100.00% 50.00%  
EQUATE Petrochemical Company K.S.C. [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Liability, Noncurrent     $ (128) $ 42 $ (128)        
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity     536 516 536        
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity, Portion Amortized Over Remaining Useful Life     $ 216 $ 200 $ 216        
Equity Method Investment, Ownership Percentage   42.50% 42.50% 42.50% 42.50% 42.50%      
MEGlobal [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Realized Gain on Disposal Eliminated   $ 555              
Sadara Chemical Company [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Ownership Percentage     35.00% 35.00% 35.00% 35.00%      
Equity Method Investment, Conversion of Notes Receivable to Equity       $ 718 $ 1,230        
AgroFresh [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Investment in nonconsolidated affiliates                 $ 210
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity     $ (96) $ (92) $ (96)        
Equity Method Investment, Ownership Percentage     35.00% 36.00% 35.00%        
Equity Method Investment, Additional Information | shares                 17,500,000
Equity Method Investment, Other than Temporary Impairment     $ 143            
Equity Method Investee [Member] | Sadara Chemical Company [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Noncurrent receivables, Balance Due From Nonconsolidated Affiliates     $ 258 $ 275 $ 258        
Increase (Decrease) in Notes Receivable, Related Parties       $ 735 $ 1,015        
Variable Interest Entity, Not Primary Beneficiary [Member] | AgroFresh [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Shares Purchased | shares 5,070,358                
Dow [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] | AgroFresh [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Equity Method Investment, Shares Purchased | shares 5,070,358                
Equity Method Investment. Percentage of Outstanding Common Stock Purchased 10.00%                
Customer Concentration Risk [Member] | Equity Method Investee [Member] | MEGlobal [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Concentration Risk, Percentage       1.00% 1.00% 1.00%      
Sadara Chemical Company [Member] | Equity Method Investee [Member] | Sadara Chemical Company [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Concentration Risk, Percentage       3.00%