Contingencies (Engle Class Action And Engle Progeny Trial Results Narrative) (Details) $ in Millions		1 Months Ended							3 Months Ended	12 Months Ended				135 Months Ended
	Jan. 26, 2016 case	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)	Feb. 28, 2015 case	Jun. 30, 2009 USD ($) case	Feb. 29, 2008 USD ($)	Jul. 31, 2006 USD ($) plantiff	May. 31, 2001 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) case	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2008 court	Dec. 31, 2015 USD ($)	Jun. 30, 2014 case	Mar. 31, 2014 case	Jul. 31, 2000 USD ($)
Loss Contingencies [Line Items]
Payments made related to litigation | $										$ 57.0	$ 8.0	$ 19.0
Litigation settlement, amount | $										84.0	$ 90.0	$ 664.0
Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Punitive damages awarded | $																	$ 145,000.0
Litigation settlement, amount | $										$ 59.0
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, State [Member] | FLORIDA
Loss Contingencies [Line Items]
Florida bond cap | $					$ 200.0
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] | 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] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	3,040
Number of plaintiffs	4,000
Philip Morris USA [Member] | Engle Progeny Cases [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
Philip Morris USA [Member] | Engle Progeny Cases [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	2
Number of verdicts returned	92
Number of unfavorable verdicts	51
Number of favorable verdicts	39
Philip Morris USA [Member] | Engle Progeny Cases, State [Member]
Loss Contingencies [Line Items]
Number of claims resolved										7
Philip Morris USA [Member] | Engle Progeny Cases, State [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
Philip Morris USA [Member] | Engle Progeny Cases, State [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	30
Philip Morris USA [Member] | Engle Progeny Cases, Federal [Member]
Loss Contingencies [Line Items]
Amounts placed in escrow | $			$ 43.0											$ 43.0
Number of claims resolved				415						415
Provision related to litigation recorded | $									$ 43.0
Litigation settlement, amount | $		$ 43.0
Philip Morris USA [Member] | Engle Progeny Cases, Federal [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	23
Number of favorable verdicts	9