Contingencies (Engle Class Action And Engle Progeny Trial Results Narrative) (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended
	Jan. 22, 2013 Federal Court [Member]	Feb. 29, 2008 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Florida/Engle [Member]	Mar. 31, 2013 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Florida/Engle [Member]	Dec. 31, 2001 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Florida/Engle [Member]	Jul. 31, 2006 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Florida/Engle [Member]	Apr. 22, 2013 Engle Progeny Cases [Member]	Mar. 31, 2013 Engle Progeny Cases [Member] Federal Court [Member]	Apr. 22, 2013 Engle Progeny Cases [Member] Federal Court [Member]	Apr. 22, 2013 Engle Progeny Cases [Member] State Court [Member]
Loss Contingencies [Line Items]
Number of plaintiffs								2,000	4,400
Loss Contingency Verdicts Returned Since Court Decision Defendents						18
Loss contingency, period of occurrence			July 2000
Punitive damages jury award total all defendants			$ 145,000,000,000
Punitive damages jury award allocation amount PM USA			74,000,000,000
Amounts placed in escrow				500,000,000
Reinstated compensatory damages, award total					6,900,000
Loss contingency, damages paid		3,000,000
Loss Contingency, Damages Paid Date		February 1, 2008
Loss contingency, pending claims								1,500	3,300
Federal Engle Progeny Cases Dismissed	521
Engle progeny plaintiffs with cases stayed pending Eleventh Circuit Court Review							1,500
Active cases pending in federal court							20
Florida bond cap			$ 200,000,000
Loss Contingency Verdicts Returned Since Court Decision Plaintiffs						19