Restructuring Related Activities All (Details) (USD $) In Millions	3 Months Ended		9 Months Ended		32 Months Ended	2 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2011 2011 Restructuring Plan [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Employee Severance [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Employee Severance [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Accelerated Depreciation [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Accelerated Depreciation [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Transfer costs [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Transfer costs [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Impairment in Value of Asset [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Impairment in Value of Asset [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Other Restructuring [Member]	Sep. 30, 2011 2011 Restructuring Plan [Member] Other Restructuring [Member]	Sep. 30, 2011 Employee Severance [Member]	Sep. 30, 2010 Employee Severance [Member]	Sep. 30, 2011 Employee Severance [Member]	Sep. 30, 2010 Employee Severance [Member]	Sep. 30, 2011 Accelerated Depreciation [Member]	Sep. 30, 2010 Accelerated Depreciation [Member]	Sep. 30, 2011 Accelerated Depreciation [Member]	Sep. 30, 2010 Accelerated Depreciation [Member]	Sep. 30, 2011 Transfer costs [Member]	Sep. 30, 2010 Transfer costs [Member]	Sep. 30, 2011 Transfer costs [Member]	Sep. 30, 2010 Transfer costs [Member]	Sep. 30, 2011 Impairment in Value of Asset [Member]	Sep. 30, 2010 Impairment in Value of Asset [Member]	Sep. 30, 2011 Impairment in Value of Asset [Member]	Sep. 30, 2010 Impairment in Value of Asset [Member]	Sep. 30, 2011 Other Restructuring [Member]	Sep. 30, 2010 Other Restructuring [Member]	Sep. 30, 2011 Other Restructuring [Member]	Sep. 30, 2010 Other Restructuring [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Cost Incurred to Date					$ 296	$ 15
Restructuring Charges	22	5	77	98	207														12	2	49	66										1		8	10	2	28	24
Restructuring Related Expenses	7	13	32	41	89																		2	2	8	6	5	10	20	32						1	4	3
Restructuring and Related Cost, Incurred Cost	$ 29	$ 18	$ 109	$ 139			$ 15	$ 15	$ 9	$ 9							$ 6	$ 6	$ 12	$ 2	$ 49	$ 66	$ 2	$ 2	$ 8	$ 6	$ 5	$ 10	$ 20	$ 32		$ 1		$ 8	$ 10	$ 3	$ 32	$ 27