Quarterly report pursuant to Section 13 or 15(d)

BUSINESS COMBINATION (Details)

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BUSINESS COMBINATION (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Apr. 23, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
BUSINESS COMBINATIONS            
Transaction related costs   $ 1 $ 12 $ 2 $ 18  
Fair value of assets acquired and liabilities assumed:            
Goodwill   388   388   $ 140
Estimated pro forma revenues and net income (loss) attributable to business acquisition            
Revenues     2,212 7,201 6,269  
Net income     180 954 448  
Net income attributable to business acquisition     $ 148 $ 666 $ 384  
Income per share:            
Basic (in dollars per share)     $ 0.62 $ 2.79 $ 1.61  
Diluted (in dollars per share)     $ 0.61 $ 2.74 $ 1.58  
Demilec            
BUSINESS COMBINATIONS            
Equity interest acquired (as a percent) 100.00%          
Transaction related costs       $ 3 $ 0  
Revenue from date of acquisition       85    
Net income from date of acquisition       3    
Fair value of assets acquired and liabilities assumed:            
Cash paid for Demilec Acquisition in Q2 2018 $ 357          
Purchase price adjustment received in Q3 2018 (4) (4)        
Net acquisition cost 353          
Cash 1          
Accounts receivable 32          
Inventories 23          
Prepaid expenses and other current assets 1          
Property, plant and equipment 25          
Intangible assets 68          
Goodwill 225          
Accounts payable (16)          
Accrued liabilities (4)          
Other liabilities (2)          
Total fair value of net assets acquired 353          
Demilec | Prior Credit Facility            
BUSINESS COMBINATIONS            
Maximum revolving credit facility $ 650          
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
BUSINESS COMBINATIONS            
Transaction related costs   1 $ 12 2 18  
Fair value of assets acquired and liabilities assumed:            
Goodwill   $ 388   388   $ 140
Estimated pro forma revenues and net income (loss) attributable to business acquisition            
Revenues     2,212 7,201 6,269  
Net income     178 945 444  
Net income attributable to business acquisition     $ 146 $ 657 $ 380