Restructuring and Related Implementation Charges (Details 1) (Two Thousand Twelve Restructuring Program [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]    
Pretax Charges Related To The Restructuring Program $ 100 $ 102
Aftertax Charges Related To The Restructuring Program 67 73
Cost of Sales [Member]
   
Restructuring Cost and Reserve [Line Items]    
Pretax Charges Related To The Restructuring Program 4 10
Selling, General and Administrative Expenses [Member]
   
Restructuring Cost and Reserve [Line Items]    
Pretax Charges Related To The Restructuring Program 18 17
Other (Income) Expense, Net [Member]
   
Restructuring Cost and Reserve [Line Items]    
Pretax Charges Related To The Restructuring Program $ 78 $ 75