Commitments and Contingent Liabilities (Imprelis) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		27 Months Ended
	Sep. 30, 2013 actions	Sep. 30, 2012	Sep. 30, 2013 actions	Sep. 30, 2012	Sep. 30, 2013 actions
Product Claims [Line Items]
Intended recovery from insurance carriers	$ 100		$ 100		$ 100
Insurance program limits	725		725		725
Imprelis [Member]
Product Claims [Line Items]
Individual actions filed	125		125		125
Claims filed	400		400		400
Plaintiffs' attorney fees to pay per proposed settlement	7		7		7
Loss Contingency	65	125	180	440	930
Litigation claims, net of insurance recoveries	40		155
Insurance recoveries for litigation	(25)		(25)
Product claims upper range	$ 1,200		$ 1,200		$ 1,200