INVESTMENTS IN RELATED COMPANIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended															3 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2013 Dow International Holdings Company [Member]	Dec. 31, 2012 Dow International Holdings Company [Member]	Dec. 31, 2013 Dow Quimica Argentina S.A. [Member]	Dec. 31, 2012 Dow Quimica Argentina S.A. [Member]	Dec. 31, 2013 GWN Holding, Inc. [Member]	Dec. 31, 2012 GWN Holding, Inc. [Member]	Dec. 31, 2013 Dow Quimica Mexicana S.A. de C.V. [Member]	Dec. 31, 2012 Dow Quimica Mexicana S.A. de C.V. [Member]	Dec. 31, 2013 Other Investments [Member]	Dec. 31, 2012 Other Investments [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member] Dow Quimica Argentina S.A. [Member] Fair Value, Measurements, Nonrecurring [Member]
Schedule of Cost-method Investments [Line Items]
Ownership Interest Percentage, Related Company						19.00%	19.00%	23.00%	23.00%	6.00%	6.00%	15.00%	15.00%		0.00%
Cost Method Investments						$ 807	$ 807	$ 0	$ 17	$ 10	$ 10	$ 5	$ 5	$ 1	$ 1
Investments in related companies	823		840
Cost-method Investments, Other than Temporary Impairment	$ 25	[1]	$ 131	[1]	$ 0											$ 25

[1] See Note 17 for additional information.