Restructuring and Related Implementation Charges (Details 1) - Two Thousand Twelve Restructuring Program [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	$ 46	$ 55	$ 198	$ 231
Aftertax charges related to the Restructuring Program	35	41	142	167
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	3	7	11	23
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	15	13	44	42
Other (Income) Expense, Net [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	$ 28	$ 35	$ 143	$ 166