Costs Associated with Rationalization Programs (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring Reserve [Roll Forward]
Beginning Balance			$ 252
New charges			27
Incurred			(50)
Reversed to the statement of operations	(4)	(1)	(7)	(2)
Ending Balance	222		222
Associate Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Translation Adjustment			(3)
Restructuring Reserve [Roll Forward]
Beginning Balance			229
New charges			14
Incurred			(32)
Reversed to the statement of operations			(3)
Ending Balance	208		208
Other Exit Costs And Noncancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Translation Adjustment			(1)
Restructuring Reserve [Roll Forward]
Beginning Balance			23
New charges			13
Incurred			(18)
Reversed to the statement of operations			(4)
Ending Balance	$ 14		$ 14