Contingencies (Public Civil Actions) (Details) (Public Civil Actions [Member])	May 01, 2014 litigation_case	May 01, 2013 litigation_case	May 01, 2012 litigation_case
Loss Contingencies [Line Items]
Cases brought against PM	2	4	3
Argentina [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1
Venezuela [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1