Restructuring and Related Implementation Charges (Details 1) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, before tax									$ 105	$ 170	$ 195
2012 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, before tax									228	254	286
Total 2012 Restructuring Program charges, aftertax	$ 54	$ 32	$ 44	$ 38	$ 41	$ 35	$ 40	$ 67	168	183	208
2012 Restructuring Program | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, before tax	$ 15	$ 11	$ 12	$ 8	$ 9	$ 3	$ 4	$ 4	46	20	29
2012 Restructuring Program | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, before tax									77	64	62
2012 Restructuring Program | Other (Income) Expense, Net
Restructuring Cost and Reserve [Line Items]
Total 2012 Restructuring Program charges, before tax									$ 105	$ 170	$ 195