Contingencies (Engle Class Action And Engle Progeny Trial Results Narrative) (Details) $ in Millions		1 Months Ended						3 Months Ended			6 Months Ended		12 Months Ended	142 Months Ended
	Jul. 22, 2016 case	Mar. 31, 2015 USD ($)	Feb. 28, 2015 case	Jun. 30, 2009 USD ($) case	Feb. 29, 2008 USD ($)	Jul. 31, 2006 USD ($) plantiff	May 31, 2001 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) case	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2008 court	Jul. 22, 2016 USD ($) case	Jun. 30, 2014 case	Mar. 31, 2014 case	Jul. 31, 2000 USD ($)
Loss Contingencies [Line Items]
Payments made related to litigation | $								$ 128.0	$ 5.0		$ 145.0	$ 10.0
Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Punitive damages awarded | $																	$ 145,000.0
Number of cases with petitions for writ of certiorari																8
Number of cases with petitions for writ of certiorari denied															11
Engle Progeny Cases [Member] | FLORIDA
Loss Contingencies [Line Items]
Number of district courts with rulings | court													3
Number of rulings certified by trial court for interlocutory review | court													2
Engle Progeny Cases [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Punitive damages awarded | $																	$ 74,000.0
Amounts placed in escrow | $							$ 500.0
Period for members of decertified class to file individual actions against defendants						1 year
Number of cases with petitions for writ of certiorari																1
Engle Progeny Cases [Member] | PM USA [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	2													2
Number of verdicts returned	100
Number of unfavorable verdicts	56
Number of favorable verdicts	42
Engle Progeny Cases, Federal [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Amounts placed in escrow | $		$ 43.0
Number of claims resolved			415							415
Pre-tax charges | $										$ 43.0
Engle Progeny Cases, Federal [Member] | PM USA [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Amounts placed in escrow | $														$ 43.0
Number of cases pending	14													14
Number of favorable verdicts	9
Engle Progeny Cases, State [Member] | FLORIDA
Loss Contingencies [Line Items]
Florida bond cap | $				$ 200.0
Engle Progeny Cases, State [Member] | Alachua County, Florida [Member]
Loss Contingencies [Line Items]
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute				3
Engle Progeny Cases, State [Member] | Escambia County, Florida [Member]
Loss Contingencies [Line Items]
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute				1
Engle Progeny Cases, State [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	2,800													2,800
Number of plaintiffs	3,600
Engle Progeny Cases, State [Member] | PM USA [Member] | FLORIDA
Loss Contingencies [Line Items]
Compensatory damages awarded | $						$ 6.9
Number of individual plaintiffs reinstated | plantiff						2
Payments made related to litigation | $					$ 3.0
Engle Progeny Cases, State [Member] | PM USA [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	33