Commitments and Contingent Liabilities (Imprelis) (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015 USD ($) actions	Sep. 30, 2015 USD ($) actions	Dec. 31, 2013 USD ($)
Product Claims [Line Items]
Insurance program limits	$ 50	$ 50
Imprelis [Member]
Product Claims [Line Items]
Plaintiffs' attorney fees to pay per proposed settlement			$ 7
Claims filed and pending | actions	30	30
Loss Contingency, number of claims settled		10
Insurance recoveries for litigation	$ 150	$ 185
Accrual balance	$ 198	$ 198