Quarterly report pursuant to Section 13 or 15(d)

NET INCOME PER SHARE (Details)

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NET INCOME PER SHARE (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
Basic and diluted income from continuing operations:        
Income from continuing operations attributable to Huntsman Corporation $ 47 $ 126 $ 25 $ 293
Basic and diluted net income:        
Net income attributable to Huntsman Corporation $ 47 $ 124 $ 23 $ 287
Shares (denominator):        
Weighted average shares outstanding 239.7 237.8 239.4 237.2
Dilutive securities:        
Stock-based awards (in shares) 2.5 2.7 2.6 3.0
Total weighted average shares outstanding, including dilutive shares 242.2 240.5 242.0 240.2
Outstanding stock-based awards
        
Antidilutive shares not included in the computation of income (loss) per share        
Weighted average equivalent shares 7.8 8.3 7.4 9.2