DIVESTITURES (Divestiture of the Rohm and Haas Salt Business) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2009 Rohm and Haas Salt Business [Member]	Dec. 31, 2009 Rohm and Haas Salt Business [Member] Corporate [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of consolidated companies	$ 56	$ 74	$ 1,563	$ 1,576
Gain (loss) on divestiture					37
Payments on Term Loan	$ 0	$ 0	$ 9,226	$ 1,000