Restructuring and Related Implementation Charges (Details 1) - 2012 Restructuring Program - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 59	$ 52	$ 114	$ 152
Total 2012 Restructuring Program charges, aftertax	44	40	82	107
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	12	4	20	8
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	14	11	40	29
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 33	$ 37	$ 54	$ 115