SUPPLEMENTARY INFORMATION (Sundry Income, Net) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended																							3 Months Ended	12 Months Ended
	Mar. 22, 2011	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2013 Net Commission Expense [Member]		Dec. 31, 2012 Net Commission Expense [Member]		Dec. 31, 2011 Net Commission Expense [Member]		Dec. 31, 2013 Dividend Income [Member]		Dec. 31, 2012 Dividend Income [Member]		Dec. 31, 2011 Dividend Income [Member]		Dec. 31, 2013 Administrative and overhead fees [Member] The Dow Chemical Company [Member]		Dec. 31, 2012 Administrative and overhead fees [Member] The Dow Chemical Company [Member]		Dec. 31, 2011 Administrative and overhead fees [Member] The Dow Chemical Company [Member]		Dec. 31, 2013 Polypropylene Licensing and Catalyst Business [Member]	Dec. 31, 2013 Polypropylene Licensing and Catalyst Business [Member]		Dec. 31, 2012 Polypropylene Licensing and Catalyst Business [Member]	Dec. 31, 2011 Polypropylene Licensing and Catalyst Business [Member]
Supplementary Information [Line Items]
Gain (Loss) on Sale of Property Plant Equipment		$ 0		$ 5		$ 4
Total sundry income (expense) - net		308		(182)		(96)
Impairment of investment in related company		25	[1]	131	[1]	0
Loss on early extinguishment of debt	(6)	0		0		(6)
Foreign exchange gain (loss)		(2)		0		(1)
Related Party Transaction, Expenses from Transactions with Related Party							(17)	[1]	(35)	[1]	(34)	[1]							(25)	[1]	(32)	[1]	(48)	[1]
Proceeds from Divestiture of Businesses																									398	368	[2]	0	0
Related Party Transaction, Other Revenues from Transactions with Related Party													16	[1]	25	[1]	7	[1]
Other - net		$ (7)		$ (14)		$ (18)

[1] See Note 17 for additional information.

[2] See Note 4 for additional information.