Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Basic and diluted income from continuing operations:                      
Income (loss) from continuing operations attributable to Huntsman Corporation                 $ 244 $ (14) $ 127
Income (loss) from continuing operations attributable Huntsman Corporation and assumed conversion                 244 (14) 127
Basic and diluted net income:                      
Net income attributable to Huntsman Corporation 105 (34) 114 62 30 55 114 (172) 247 27 114
Net income attributable to Huntsman Corporation and assumed conversion                 $ 247 $ 27 $ 114
Shares (denominator):                      
Weighted average shares outstanding                 237.6 236.0 233.9
Dilutive securities:                      
Stock-based awards (in shares)                 4.1   4.4
Total outstanding and dilutive shares assuming conversion                 241.7 236.0 238.3