Costs Associated with Rationalization Programs (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring Reserve [Roll Forward]
Beginning Balance			$ 184
New charges	26	25	69	82
Incurred			(70)
Reversed to the statement of operations			(2)
Ending Balance	181		181
Associate Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance			166
New charges			41
Incurred			(48)
Reversed to the statement of operations			(1)
Ending Balance	158		158
Other Costs
Restructuring Reserve [Roll Forward]
Beginning Balance			18
New charges			28
Incurred			(22)
Reversed to the statement of operations			(1)
Ending Balance	$ 23		$ 23