Restructuring and Related Implementation Charges (Details 1) - 2012 Restructuring Program - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 55	$ 100
Total 2012 Restructuring Program charges, aftertax	38	67
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	8	4
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	26	18
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 21	$ 78