Restructuring and Related Implementation Charges (Details 1) - 2012 Restructuring Program - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Aftertax charges related to the Restructuring Program	$ 41	$ 35	$ 40	$ 67	$ 41	$ 41	$ 53	$ 73	$ 183	$ 208	$ 278
Pretax charges related to the Restructuring Program									254	286	371
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program	$ 9	$ 3	$ 4	$ 4	$ 6	$ 7	$ 6	$ 10	20	29	32
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program									64	62	137
Other (Income) Expense, Net [Member]
Restructuring Cost and Reserve [Line Items]
Pretax charges related to the Restructuring Program									$ 170	$ 195	$ 202