Contingencies (Engle Class Action And Engle Progeny Trial Results Narrative) (Details)	1 Months Ended	3 Months Ended			6 Months Ended		109 Months Ended
	May. 31, 2001 USD ($)	Jun. 30, 2015 USD ($) cases	Mar. 31, 2015 USD ($) cases	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) cases	Jun. 30, 2014 USD ($)	Jul. 24, 2015 cases	Jul. 31, 2006 USD ($)
Loss Contingencies [Line Items]
Judgment plus interest and associated costs paid		$ 5,000,000		$ 4,000,000	$ 10,000,000	$ 4,000,000
Loss Contingency Accrual, Provision		5,000,000		31,000,000	48,000,000	35,000,000
Engle Progeny Cases, Federal [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual, Provision		0		$ 0	43,000,000	$ 0
Florida Engle [Member] | Engle Progeny Cases, Federal [Member]
Loss Contingencies [Line Items]
Amounts placed in escrow			$ 43,000,000
Federal Engle Cases Resolved | cases			415
Florida Engle [Member] | Engle Progeny Cases, Federal [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual, Provision			$ 43,000,000
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Florida Engle [Member]
Loss Contingencies [Line Items]
Amounts placed in escrow	$ 500,000,000
Reinstated compensatory damages, award total								$ 6,900,000
Judgment plus interest and associated costs paid					$ 3,000,000
Loss Contingency, Damages Paid Date					February 2008
Florida bond cap		$ 200,000,000			$ 200,000,000
Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of Cases Appealed | cases		750			750
Engle Progeny Cases [Member] | Florida/Harris [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest		$ 1,730,000			$ 1,730,000
Loss contingency, period of occurrence					July 2014
Engle Progeny Cases [Member] | Florida/Reider [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest		0			$ 0
Engle Progeny Cases [Member] | Florida/Banks [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest		0			0
Engle Progeny Cases [Member] | Florida Weingart [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest		0			0
Engle Progeny Cases [Member] | Florida Hancock [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest		0			$ 0
Loss contingency, period of occurrence					August 2012
Florida Engle [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence					July 2000
Punitive damages jury award total all defendants		145,000,000,000			$ 145,000,000,000
Punitive damages jury award allocation amount PM USA		$ 74,000,000,000			$ 74,000,000,000
Subsequent Event [Member] | Engle Progeny Cases, State [Member]
Loss Contingencies [Line Items]
Number of plaintiffs | cases							4,100
Loss contingency, pending claims | cases							3,125
Subsequent Event [Member] | Engle Progeny Cases, State [Member] | Since July 2006 [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Decided Favorable, Number | cases							27
Subsequent Event [Member] | Engle Progeny Cases, Federal [Member]
Loss Contingencies [Line Items]
Active Cases Pending In Federal Court | cases							425
Subsequent Event [Member] | Engle Progeny Cases, Federal [Member] | Since July 2006 [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Decided Favorable, Number | cases							9
Subsequent Event [Member] | Engle Progeny Cases [Member] | Since July 2006 [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Decided Favorable, Number | cases							36