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