Contingencies (Lights Cases) (Details)	Aug. 01, 2013 Individual Lights Cases [Member] litigation_case	Aug. 01, 2012 Individual Lights Cases [Member] litigation_case	Jul. 30, 2014 Individual Lights Cases [Member] Subsequent Event [Member] litigation_case	Aug. 01, 2013 Israel [Member] Lights Class Actions [Member] litigation_case	Aug. 01, 2012 Israel [Member] Lights Class Actions [Member] litigation_case	Jul. 30, 2014 Israel [Member] Lights Class Actions [Member] Subsequent Event [Member] litigation_case	Jul. 30, 2014 Chile [Member] Individual Lights Cases [Member] Subsequent Event [Member] litigation_case	Jul. 30, 2014 Italy [Member] Individual Lights Cases [Member] Subsequent Event [Member] litigation_case
Loss Contingencies [Line Items]
Cases brought against PM	1	7	2	1	2	1	1	1