Restructuring and Related Implementation Charges (Details 1) - Two Thousand Twelve Restructuring Program [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	$ 52	$ 74	$ 152	$ 176
Aftertax charges related to the Restructuring Program	40	53	107	126
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	4	6	8	16
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	11	12	29	29
Other (Income) Expense, Net [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	$ 37	$ 56	$ 115	$ 131