Contingencies Smoking And Health Litigation (Details)	Aug. 01, 2012 Litigation_Cases	Aug. 01, 2011 Litigation_Cases	Aug. 01, 2010 Litigation_Cases
Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Cases brought against PM	74	94	116
Individual Smoking And Health Cases [Member] | ARGENTINA [Member]
Loss Contingencies [Line Items]
Cases brought against PM	31
Individual Smoking And Health Cases [Member] | BRAZIL [Member]
Loss Contingencies [Line Items]
Cases brought against PM	30
Individual Smoking And Health Cases [Member] | CANADA [Member]
Loss Contingencies [Line Items]
Cases brought against PM	2
Individual Smoking And Health Cases [Member] | CHILE [Member]
Loss Contingencies [Line Items]
Cases brought against PM	2
Individual Smoking And Health Cases [Member] | GREECE [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1
Individual Smoking And Health Cases [Member] | ITALY [Member]
Loss Contingencies [Line Items]
Cases brought against PM	5
Individual Smoking And Health Cases [Member] | PHILLIPPINES [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1
Individual Smoking And Health Cases [Member] | SCOTLAND [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1
Individual Smoking And Health Cases [Member] | TURKEY [Member]
Loss Contingencies [Line Items]
Cases brought against PM	1
Smoking And Health Class Actions [Member]
Loss Contingencies [Line Items]
Cases brought against PM	10	10	11
Smoking And Health Class Actions [Member] | BRAZIL [Member]
Loss Contingencies [Line Items]
Cases brought against PM	2
Smoking And Health Class Actions [Member] | CANADA [Member]
Loss Contingencies [Line Items]
Cases brought against PM	8