Contingencies (Schedule Of Pending Cases) (Details)	1 Months Ended	12 Months Ended
	Jul. 31, 2015 trial plantiff	Dec. 31, 2016 case phase	Dec. 31, 2015 case	Dec. 31, 2014 case
Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending		70	65	67
Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending		5	5	5
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending		1	1	1
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending		8	11	12
Tobacco Related Cases, Cases Filed on the Asbestos Docket [Member]
Loss Contingencies [Line Items]
Number of cases pending		25
ETS Smoking and Health Case, Flight Attendants [Member]
Loss Contingencies [Line Items]
Cases excluded		2,485
WEST VIRGINIA | Pending Litigation [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of civil actions		600
Number of plaintiffs | plantiff	30
Number of consolidated trials | trial	6
Number of plaintiffs per group | plantiff	5
WEST VIRGINIA | Philip Morris USA [Member] | Pending Litigation [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of civil actions		344
Number of trial phases | phase		2