ACQUISITIONS AND DIVESTITURES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended			3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Feb. 28, 2011 Styron [Member]	Jun. 30, 2012 Styron [Member]	Jun. 17, 2010 Styron [Member]	Mar. 31, 2011 Corporate [Member] Styron [Member]	Jun. 30, 2011 Rohm And Haas [Member] Corporate [Member]
Acquisition-related integration expenses	$ 0	$ 0	$ 0	$ 31					$ 31
Long-term note receivable							75
Equity option consideration in connection with divestiture						6.50%	7.50%
Proceeds from repayments of notes receivable					75
Dividend income								$ 25