Restructuring Related Activities by Major Type (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		50 Months Ended	3 Months Ended		20 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		50 Months Ended		3 Months Ended		20 Months Ended		3 Months Ended		38 Months Ended		3 Months Ended		50 Months Ended		3 Months Ended		50 Months Ended	3 Months Ended		20 Months Ended	3 Months Ended	38 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		20 Months Ended	3 Months Ended	38 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		20 Months Ended	3 Months Ended	38 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended		50 Months Ended		3 Months Ended		20 Months Ended	3 Months Ended		38 Months Ended	3 Months Ended		50 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2013 2011 Restructuring Plan [Member]	Mar. 31, 2012 2011 Restructuring Plan [Member]	Mar. 31, 2013 2011 Restructuring Plan [Member]	Mar. 31, 2013 2010 Restructuring Plan [Member]	Mar. 31, 2012 2010 Restructuring Plan [Member]	Mar. 31, 2013 2010 Restructuring Plan [Member]	Mar. 31, 2013 Plant Network Optimization [Member]	Mar. 31, 2012 Plant Network Optimization [Member]	Mar. 31, 2013 Plant Network Optimization [Member]	Mar. 31, 2013 Termination Benefits [Member]	Mar. 31, 2012 Termination Benefits [Member]	Mar. 31, 2013 Termination Benefits [Member]	Dec. 31, 2012 Termination Benefits [Member]	Mar. 31, 2013 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2012 Termination Benefits [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2012 Termination Benefits [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Termination Benefits [Member] Plant Network Optimization [Member]	Dec. 31, 2012 Termination Benefits [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Impairment of an asset in value [Member]	Mar. 31, 2012 Impairment of an asset in value [Member]	Mar. 31, 2013 Impairment of an asset in value [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Impairment of an asset in value [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Impairment of an asset in value [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Impairment of an asset in value [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Accelerated Depreciation [Member]	Mar. 31, 2012 Accelerated Depreciation [Member]	Mar. 31, 2013 Accelerated Depreciation [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Accelerated Depreciation [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Transfer costs [Member]	Mar. 31, 2012 Transfer costs [Member]	Mar. 31, 2013 Transfer costs [Member]	Mar. 31, 2013 Transfer costs [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Transfer costs [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Transfer costs [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Transfer costs [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Transfer costs [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Transfer costs [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Other [Member]	Mar. 31, 2012 Other [Member]	Mar. 31, 2013 Other [Member]	Dec. 31, 2012 Other [Member]	Mar. 31, 2013 Other [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Other [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2013 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2012 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Other [Member] 2010 Restructuring Plan [Member]	Mar. 31, 2013 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2012 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Other [Member] Plant Network Optimization [Member]	Mar. 31, 2013 Cost of products sold [Member]	Mar. 31, 2012 Cost of products sold [Member]	Mar. 31, 2013 Cost of products sold [Member] Termination Benefits [Member]	Mar. 31, 2012 Cost of products sold [Member] Termination Benefits [Member]	Mar. 31, 2013 Cost of products sold [Member] Impairment of an asset in value [Member]	Mar. 31, 2012 Cost of products sold [Member] Impairment of an asset in value [Member]	Mar. 31, 2013 Cost of products sold [Member] Accelerated Depreciation [Member]	Mar. 31, 2012 Cost of products sold [Member] Accelerated Depreciation [Member]	Mar. 31, 2013 Cost of products sold [Member] Transfer costs [Member]	Mar. 31, 2012 Cost of products sold [Member] Transfer costs [Member]	Mar. 31, 2013 Cost of products sold [Member] Other [Member]	Mar. 31, 2012 Cost of products sold [Member] Other [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member] Termination Benefits [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member] Termination Benefits [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member] Impairment of an asset in value [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member] Impairment of an asset in value [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member] Accelerated Depreciation [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member] Accelerated Depreciation [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member] Transfer costs [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member] Transfer costs [Member]	Mar. 31, 2013 Selling, General and Administrative Expenses [Member] Other [Member]	Mar. 31, 2012 Selling, General and Administrative Expenses [Member] Other [Member]
Restructuring and Related Cost [Line Items]
Restructuring Charges Incurred to Date			$ 365			$ 180			$ 152			$ 33			$ 233				$ 110				$ 90				$ 33				$ 11					$ 11																												$ 121				$ 70			$ 51
Restructuring-related Costs Incurred to Date			125			21			8			96																														22								22			74								74			29				21			8
Restructuring Reserve, Settled with Cash													(23)				(22)				0				(1)
Adjustments to the restructuring reserve													(3)								(3)
Restructuring and Related Cost, Cost Incurred to Date			490			201			160			129
Restructuring Charges	10	10	365										8	(1)			10				0				(2)				(17)																																	19	11
Restructuring Related Expenses	5	7	125										0																0											1	0										0	4										4	3												0	4							0	4			5	3					1				4	3
Restructuring and Related Cost, Incurred Cost	15	17		17	15		0	(1)		(2)	3		8	(1)			10	2			0	(2)			(2)	(1)			(17)			(17)								1	0		1								0	4							0	4		23	14			23	13			1
Restructuring Reserve													$ 30		$ 30	$ 48	$ 24		$ 24	$ 36	$ 0		$ 0	$ 3	$ 6		$ 6	$ 9																																		$ 8		$ 8	$ 5