Costs Associated with Rationalization Programs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 237
New charges	64
Reversed to the statement of operations	(3)
Incurred	(49)
Ending Balance	249
Associate Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	232
New charges	56
Reversed to the statement of operations	(3)	(3)
Incurred	(41)
Ending Balance	244
Restructuring Reserve, Translation Adjustment	1
Other Exit And Noncancelable Lease Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	5
New charges	8
Reversed to the statement of operations	0
Incurred	(8)
Ending Balance	5
Restructuring Reserve, Translation Adjustment	$ 0