Restructuring and Related Implementation Charges (Details 1) - 2012 Restructuring Program - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 46	$ 55
Total 2012 Restructuring Program charges, aftertax	31	38
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	14	8
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	21	26
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 11	$ 21