Asset Impairment, Exit and Implementation Costs (Narrative) (Details) - Productivity Initiative [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Jan. 31, 2016
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges			$ 140
Expected restructuring charges, per share (usd per share)			$ 0.05
Restructuring charges	$ 6	$ 130
Restructuring charges, per share (usd 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