Asset Impairment, Exit and Implementation Costs (Narrative) (Details) - Productivity Initiative [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2016	Jan. 31, 2016
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges		$ 140
Expected restructuring charges, per share		$ 0.05
Restructuring charges	$ 122
Restructuring charges, per share	$ 0.04
Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges		$ 120
Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges		$ 20