Contingencies (Engle Class Action And Engle Progeny Trial Results Narrative) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended					1 Months Ended	12 Months Ended				3 Months Ended
	Aug. 31, 2013 Engle Progeny Cases, State [Member]	Jun. 30, 2013 Engle Progeny Cases, State [Member]	Jan. 31, 2013 Engle Progeny Cases, State [Member]	Apr. 21, 2014 Engle Progeny Cases, State [Member]	Apr. 21, 2014 Engle Progeny Cases, Federal [Member]	Feb. 29, 2008 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]	Mar. 31, 2014 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. 21, 2014 Engle Progeny Cases [Member] Since January1999 [Member]	Mar. 31, 2014 Florida Engle [Member] Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Decided Unfavorably, Number										28
Loss Contingency, Claims Decided Favorably, Number										28
Number of plaintiffs				4,250
Loss contingency, period of occurrence											July 2000
Punitive damages jury award total all defendants											$ 145,000
Punitive damages jury award allocation amount PM USA											74,000.0
Amounts placed in escrow							500
Reinstated compensatory damages, award total									6.9
Loss contingency, damages paid						3
Loss Contingency, Damages Paid Date						February 2008
Loss contingency, pending claims				3,100	1,100
Active Cases Pending In Federal Court					600
Federal Engle Progeny Cases Dismissed	37	306	521
Florida bond cap								$ 200