Contingencies (International Tobacco-Related Cases Narrative) (Details) (Subsequent Event [Member], Canada)	Apr. 20, 2015 cases
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | PM USA And Altria Group, Inc. [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	7
Health Care Cost Recovery Actions [Member] | Health Care Cost Recovery Actions [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	10
Health Care Cost Recovery Actions [Member] | Health Care Cost Recovery Actions [Member] | PM USA And Altria Group, Inc. [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	8