Restructuring and Related Implementation Charges (Details 1) - 2012 Restructuring Program - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 42	$ 46	$ 156	$ 198
Total 2012 Restructuring Program charges, aftertax	32	35	114	142
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	11	3	31	11
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	9	15	49	44
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, pretax	$ 22	$ 28	$ 76	$ 143