Huntsman Corporation Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Y month	Dec. 31, 2010	Dec. 31, 2009
Cash and cash equivalents
Investments classified as cash and cash equivalents, maximum maturity period (in months)	3
Foreign Currency Translation
Cumulative inflation rate used to determine if economic environment is highly inflationary (as a percent)	100.00%
Period used to determine if economic environment is highly inflationary (in years)	3
Foreign currency transaction net gains(losses)	$ (3)	$ (2)	$ 13
Minimum
DERIVATIVES AND HEDGING ACTIVITIES
Minimum interval period of effectiveness assessments (in months)	3
Derivative designated as a cash flow hedge, effectiveness percentage (as a percent)	80.00%
Maximum
DERIVATIVES AND HEDGING ACTIVITIES
Derivative designated as a cash flow hedge, effectiveness percentage (as a percent)	125.00%

- Definition

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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