Commitments and Contingent Liabilities (Imprelis) (Narrative) (Details) (Imprelis [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2012 actions	Jun. 30, 2012 actions	Jun. 30, 2012 actions
Imprelis [Member]
Product Claims [Line Items]
Individual actions filed	60	60	60
Product claims	$ 265	$ 315	$ 490
Product claims upper range	575	575	575
Intended recovery from insurance carriers	$ 100	$ 100	$ 100