RESTRUCTURING (2009 Restructuring - Restructuring Charges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended																																	3 Months Ended				6 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended				12 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	18 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended	3 Months Ended						12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009		Dec. 31, 2010 Electronic and Functional Materials [Member]		Dec. 31, 2009 Electronic and Functional Materials [Member]		Dec. 31, 2010 Coatings and Infrastructure Solutions [Member]		Dec. 31, 2009 Coatings and Infrastructure Solutions [Member]		Dec. 31, 2010 Performance Materials [Member]		Dec. 31, 2009 Performance Materials [Member]		Dec. 31, 2010 Peformance Plastics [Member]		Dec. 31, 2009 Peformance Plastics [Member]		Dec. 31, 2010 Feedstocks and Energy [Member]		Dec. 31, 2009 Feedstocks and Energy [Member]		Dec. 31, 2010 Corporate [Member]		Dec. 31, 2009 Corporate [Member]		Dec. 31, 2010 Agricultural Sciences [Member]		Dec. 31, 2009 Agricultural Sciences [Member]		Mar. 31, 2011 2009 Restructuring Plan [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] employees	Dec. 31, 2009 2009 Restructuring Plan [Member] employees	Jun. 30, 2009 2009 Restructuring Plan [Member] years	Dec. 31, 2009 2009 Restructuring Plan [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Electronic and Functional Materials [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Electronic and Functional Materials [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Coatings and Infrastructure Solutions [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Coatings and Infrastructure Solutions [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Performance Materials [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Peformance Plastics [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Feedstocks and Energy [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Corporate [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Corporate [Member]	Mar. 31, 2011 2009 Restructuring Plan [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2009 2009 Restructuring Plan [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Impairment of Long Lived Assets and Other Assets [Member]	Mar. 31, 2011 2009 Restructuring Plan [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 2009 Restructuring Plan [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 2009 Restructuring Plan [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Exit Or Disposal Activities [Member]	Jun. 30, 2009 2009 Restructuring Plan [Member] Employee Severance [Member] employees	Mar. 31, 2011 2009 Restructuring Plan [Member] Employee Severance [Member]	Dec. 31, 2009 2009 Restructuring Plan [Member] Employee Severance [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Employee Severance [Member]	Dec. 31, 2010 2009 Restructuring Plan [Member] Employee Severance [Member]	Dec. 31, 2010 Certain Acrylic Monomer And Specialty Latex Assets Divestiture As Condition To the Acquisition of ROH [Member]	Jun. 30, 2009 Certain Acrylic Monomer And Specialty Latex Assets Divestiture As Condition To the Acquisition of ROH [Member] Coatings and Infrastructure Solutions [Member]	Dec. 31, 2009 Corporate-2009, Adjustments to Restructuring Charges [Member]	Dec. 31, 2009 Corporate-2009, Adjustments to Restructuring Charges [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2009 Corporate-2009, Adjustments to Restructuring Charges [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 Corporate-2009, Adjustments to Restructuring Charges [Member] Employee Severance [Member]	Jun. 30, 2009 Shutdown of a Small Manufacturing Facility, Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2010 Shutdown of a Small Manufacturing Facility, Impairment of Long Lived Assets and Other Assets [Member]	Jun. 30, 2009 Shutdown of a Small Manufacturing Facility, Impairment of Long Lived Assets and Other Assets [Member] Electronic and Functional Materials [Member]	Jun. 30, 2009 Shutdown of a Small Manufacturing Facility, Impairment of Long Lived Assets and Other Assets [Member] Coatings and Infrastructure Solutions [Member]	Jun. 30, 2009 Capital Project Spending, Impairment of Long Lived Assets and Other Assets [Member]	Jun. 30, 2009 Other Assets, Impairment of Long Lived Assets and Other Assets [Member]	Jun. 30, 2009 Environmental Remediation and Asbestos Abatement, Exit or Disposal Activities [Member] Corporate [Member]	Jun. 30, 2009 Shutdown of a Number of hydrocarbons and chemical facilities [Member] Feedstocks and Energy [Member]	Dec. 31, 2010 2008 Restructuring Plan [Member] Corporate [Member]	Dec. 31, 2009 2008 Restructuring Plan [Member] Corporate [Member] employees	Dec. 31, 2009 2008 Restructuring Plan [Member] Employee Severance [Member] Corporate [Member]	Dec. 31, 2009 Corporate-2008, Adjustments to Restructuring Charges [Member]	Dec. 31, 2009 Corporate-2008, Adjustments to Restructuring Charges [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2009 Corporate-2008, Adjustments to Restructuring Charges [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 Corporate-2008, Adjustments to Restructuring Charges [Member] Employee Severance [Member]	Dec. 31, 2009 2007 Restructuring Plan [Member] Corporate [Member]	Dec. 31, 2009 2007 Restructuring Plan [Member] Agricultural Sciences [Member]	Dec. 31, 2009 Agricultural Sciences-2007, Adjustments to Restructuring Charges [Member]	Dec. 31, 2009 Agricultural Sciences-2007, Adjustments to Restructuring Charges [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2009 Agricultural Sciences-2007, Adjustments to Restructuring Charges [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 Agricultural Sciences-2007, Adjustments to Restructuring Charges [Member] Employee Severance [Member]	Dec. 31, 2009 Corporate-2007, Adjustments to Restructuring Charges [Member]	Dec. 31, 2009 Corporate-2007, Adjustments to Restructuring Charges [Member] Impairment of Long Lived Assets and Other Assets [Member]	Dec. 31, 2009 Corporate-2007, Adjustments to Restructuring Charges [Member] Exit Or Disposal Activities [Member]	Dec. 31, 2009 Corporate-2007, Adjustments to Restructuring Charges [Member] Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Severance payments, time period																																					2
Restructuring charges	$ 0	$ 26	[1]	$ 689	[1]	$ 8	[1]	$ 48	[1]	$ 20	[1]	$ 262	[1]	$ 0	[1]	$ 2	[1]	$ 0	[1]	$ 1	[1]	$ 0	[1]	$ 140	[1]	$ (2)	[1]	$ 251	[1]	$ 0	[1]	$ (15)	[1]				$ 677	$ 13	$ 29	$ 48	$ 8	$ 262	$ 20	$ 2	$ 1	$ 140	$ 224	$ 1															$ 13															$ 19						$ (15)				$ (5)
Asset write-downs and write-offs	27	75		454																																	454			48		258		2	1	140	5														13	205					96	8	46	48	20	7		126
Exit or disposal activities				66																																	68		7	0		4		0	0	0	64																										64
Severance costs				169																																	155		1	0		0		0	0	0	155
Adjustment to restructuring charges																																																		0	21		13		7			0	1					0	13	0									(3)		19		0	0	19	(5)	(15)		0	(15)	0		0	0	(5)
Restructuring reserve, settled with cash																																		(6)				(72)	(77)										0	0	0	0		0	0		(6)	(72)	(77)	(149)
Restructuring reserve, ending balance																																		$ 68	$ 74	$ 152		$ 152	$ 74										$ 0	$ 0	$ 0	$ 68	$ 68	$ 68	$ 68		$ 0	$ 84	$ 6	$ 6
Restructuring and Related Cost, Expected Number of Positions Eliminated																																			189	1,221																				2,500																				500

[1] See Note C for information regarding restructuring charges.