Restructuring Related Activities by Major Type (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended		38 Months Ended		3 Months Ended	8 Months Ended	12 Months Ended			3 Months Ended		12 Months Ended		26 Months Ended		3 Months Ended		38 Months Ended	3 Months Ended	53 Months Ended		3 Months Ended		38 Months Ended	3 Months Ended	8 Months Ended	12 Months Ended			3 Months Ended		12 Months Ended		26 Months Ended		3 Months Ended		12 Months Ended		38 Months Ended		3 Months Ended		38 Months Ended	3 Months Ended	8 Months Ended	3 Months Ended		26 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended	8 Months Ended	3 Months Ended		26 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended	8 Months Ended	3 Months Ended		26 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended	8 Months Ended	12 Months Ended			3 Months Ended		12 Months Ended		26 Months Ended		3 Months Ended		38 Months Ended	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Mar. 31, 2012	Dec. 31, 2009	Mar. 31, 2012 2011 Restructuring Plan [Member]	Mar. 31, 2012 2011 Restructuring Plan [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member]	Dec. 31, 2010 2011 Restructuring Plan [Member]	Dec. 31, 2009 2011 Restructuring Plan [Member]	Mar. 31, 2012 2010 Restructuring Plan [Member]	Mar. 31, 2011 2010 Restructuring Plan [Member]	Dec. 31, 2011 2010 Restructuring Plan [Member]	Dec. 31, 2010 2010 Restructuring Plan [Member]	Mar. 31, 2012 2010 Restructuring Plan [Member]	Dec. 31, 2009 2010 Restructuring Plan [Member]	Mar. 31, 2012 Plant Network Optimization [Member]	Mar. 31, 2011 Plant Network Optimization [Member]	Mar. 31, 2012 Plant Network Optimization [Member]	Mar. 31, 2012 2007 Restructuring Plan [Member]	Mar. 31, 2012 2007 Restructuring Plan [Member]	Dec. 31, 2011 2007 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member]	Mar. 31, 2011 Termination Benefits [Member]	Mar. 31, 2012 Termination Benefits [Member]	Mar. 31, 2012 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2011 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2010 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2009 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2011 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2011 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2010 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2009 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2011 Termination Benefits [Member] Plant Network Optimization [Member]	Dec. 31, 2011 Termination Benefits [Member] Plant Network Optimization [Member]	Dec. 31, 2010 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Termination Benefits [Member] Plant Network Optimization [Member]	Dec. 31, 2009 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Accelerated Depreciation [Member]	Mar. 31, 2011 Accelerated Depreciation [Member]	Mar. 31, 2012 Accelerated Depreciation [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2011 Accelerated Depreciation [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2011 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Transfer costs [Member]	Mar. 31, 2011 Transfer costs [Member]	Mar. 31, 2012 Transfer costs [Member]	Mar. 31, 2012 Transfer costs [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Transfer costs [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Transfer costs [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2011 Transfer costs [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Transfer costs [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2011 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member]	Mar. 31, 2011 Impairment in Value of Asset [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2011 Impairment in Value of Asset [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] Plant Network Optimization [Member]	Mar. 31, 2011 Impairment in Value of Asset [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Impairment in Value of Asset [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Other [Member]	Mar. 31, 2011 Other [Member]	Mar. 31, 2012 Other [Member]	Mar. 31, 2012 Other [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2011 Other [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2010 Other [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2009 Other [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2011 Other [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2011 Other [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2010 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2009 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2011 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Cost of products sold [Member]	Mar. 31, 2011 Cost of products sold [Member]	Mar. 31, 2012 Cost of products sold [Member] Termination Benefits [Member]	Mar. 31, 2011 Cost of products sold [Member] Termination Benefits [Member]	Mar. 31, 2012 Cost of products sold [Member] Accelerated Depreciation [Member]	Mar. 31, 2011 Cost of products sold [Member] Accelerated Depreciation [Member]	Mar. 31, 2012 Cost of products sold [Member] Transfer costs [Member]	Mar. 31, 2011 Cost of products sold [Member] Transfer costs [Member]	Mar. 31, 2012 Cost of products sold [Member] Impairment in Value of Asset [Member]	Mar. 31, 2011 Cost of products sold [Member] Impairment in Value of Asset [Member]	Mar. 31, 2012 Cost of products sold [Member] Other [Member]	Mar. 31, 2011 Cost of products sold [Member] Other [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member] Termination Benefits [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member] Termination Benefits [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member] Accelerated Depreciation [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member] Accelerated Depreciation [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member] Transfer costs [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member] Transfer costs [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member] Impairment in Value of Asset [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member] Impairment in Value of Asset [Member]	Mar. 31, 2012 Selling, general and administrative expenses [Member] Other [Member]	Mar. 31, 2011 Selling, general and administrative expenses [Member] Other [Member]
Restructuring and Related Cost [Line Items]
Restructuring Charges Incurred to Date					$ 230			$ 46								$ 149				$ 35						$ 146		$ 23								$ 88						$ 35																										$ 11					$ 11						$ 73		$ 23								$ 50
Restructuring-related Costs Incurred to Date					105			4								9				92																										22					1			21			71								71														12		4								8
Restructuring Reserve, Settled with Cash	(32)		87	65			(19)		13			(2)		71	65												(9)		3			(2)		39	45			(11)		3																																								(10)		10					32	20
Restructuring and Related Cost, Cost Incurred to Date					335			50								158				127
Restructuring Charges	10	38			230																			(1)	28																																																				11	10
Restructuring Related Expenses	7	12			105																																								3										4	8																					3	1																4	11				3	4	8					3	1									3	1
Restructuring and Related Cost, Incurred Cost	17	50					15					(1)	38					3	12					(1)	28		2					(2)	27					(1)	1						3								3		4	8							4	8													14	11		13					1	11
Restructuring Reserve	41		60	55	41	22	17	17	21			3		6	29	3					3	3	6				11	11	18			2		6	21	2		21		33	26	21	22																																					6	6	3			1		0	8	1
Restructuring Reserve, Period Expense	13		92	98			15		34			(1)		48	94												2		21			(2)		24	66			(1)		10	4																																							13		13			1		24	28
Cash payments associated with restructuring initiatives
Cash payments associated with restructuring initiatives	$ 36				$ 259		$ 19	$ 32				$ 2				$ 142		$ 15		$ 85	$ 3	$ 377		$ 22		$ 112	$ 9	$ 12				$ 2				$ 86		$ 11				$ 14													$ 4		$ 71						$ 4		$ 71												$ 10		$ 76	$ 10	$ 20								$ 56