Costs Associated with Rationalization Programs (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Rationalizations	$ 58	$ 175	$ 103
Asset Write-off and Accelerated Depreciation Charges		20	50
Plans Initiated 2013
Restructuring Cost and Reserve [Line Items]
Rationalizations	45
Plans Initiated 2013 | Associate Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	42
Plans Initiated 2013 | Other Exit Costs And Noncancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	3
Plans Initiated 2012
Restructuring Cost and Reserve [Line Items]
Rationalizations	13	141
Plans Initiated 2012 | Associate Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	3	125
Plans Initiated 2012 | Other Exit Costs And Noncancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations	10	16
Plans Initiated In 2011
Restructuring Cost and Reserve [Line Items]
Rationalizations		34	25
Plans Initiated In 2011 | Associate Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations		15	19
Plans Initiated In 2011 | Other Exit Costs And Noncancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations		19	6
Plans Initiated In 2010
Restructuring Cost and Reserve [Line Items]
Rationalizations			78
Plans Initiated In 2010 | Associate Related Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations			39
Plans Initiated In 2010 | Other Exit Costs And Noncancelable Lease Costs
Restructuring Cost and Reserve [Line Items]
Rationalizations			$ 39