Commitments and Contingent Liabilities (Imprelis) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	24 Months Ended
	Jun. 30, 2013 actions	Jun. 30, 2013 actions	Jun. 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	115	115	115
Claims filed	385	385	385
Plaintiffs' attorney fees to pay per proposed settlement	7	7	7
Product claims	80	115	865
Product claims upper range	$ 900	$ 900	$ 900