NONCONSOLIDATED AFFILIATES AND RELATED COMPANY TRANSACTIONS, Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended														3 Months Ended							12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Exclusive of additional differences for Dow Corning, MEGlobal and Sadara [Member]	Dec. 31, 2012 Exclusive of additional differences for Dow Corning and MEGlobal [Member]	Dec. 31, 2013 Dow Corning Corporation [Member]	Dec. 31, 2012 Dow Corning Corporation [Member]	Dec. 31, 2011 Dow Corning Corporation [Member]	Dec. 31, 2013 MEGlobal [Member]	Dec. 31, 2012 MEGlobal [Member]	Dec. 31, 2011 MEGlobal [Member]	Dec. 31, 2013 MEGlobal, Amount Amortized Over the Remaining Useful Lives of the Assets [Member]	Dec. 31, 2013 Equipolymers, Amount Amortized Over the Remaining Useful Lives of the Assets [Member]	Dec. 31, 2013 MEGlobal Permanent Difference in Investment with Investor [Member]	Sep. 30, 2011 Collection of previously impaired note receivable related to Equipolymers [Member]	Dec. 31, 2013 Sadara [Member]		Dec. 31, 2012 Sadara [Member]		Dec. 31, 2013 Nonconsolidated Affiliates [Member] jointventures	Dec. 31, 2012 Nonconsolidated Affiliates [Member] jointventures	Dec. 31, 2013 Performance Plastics [Member]	Dec. 31, 2012 Performance Plastics [Member]	Dec. 31, 2011 Performance Plastics [Member]	Sep. 30, 2011 Performance Plastics [Member] Collection of previously impaired note receivable related to Equipolymers [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage						50.00%	50.00%	50.00%	50.00%	50.00%	50.00%					35.00%	[1]	35.00%	[1]
Proceeds from collection of notes receivable															$ 115
Investment in nonconsolidated affiliates	4,501	4,121	3,405													905						1,289	1,264	1,376
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity				67	69	(149)	(227)		(184)	(193)		(45)	(3)	(139)
Equity in earnings of nonconsolidated affiliates	1,034	536	1,223																			359	134	303	86
Equity Method Investment, Dividends or Distributions	$ 905	$ 823	$ 1,016
Number of Nonconsolidated Affiliates																				63	67

[1] Sadara Chemical Company became a principal nonconsolidated affiliate in the fourth quarter of 2012.