Contingencies (Schedule Of Pending Cases) (Details)		1 Months Ended
	Oct. 24, 2016 case phase	Jul. 31, 2015 trial plantiff	Oct. 26, 2015 case	Oct. 27, 2014 case
Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending			65	67
Individual Smoking And Health Cases [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	66
ETS Smoking and Health Case, Flight Attendants [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Cases excluded	2,493
Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending			5	5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Pending Litigation [Member] | WEST VIRGINIA
Loss Contingencies [Line Items]
Number of plaintiffs | plantiff		30
Number of consolidated trials | trial		6
Number of plaintiffs per group | plantiff		5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Subsequent Event [Member] | Pending Litigation [Member] | WEST VIRGINIA
Loss Contingencies [Line Items]
Number of civil actions	600
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Subsequent Event [Member] | Pending Litigation [Member] | WEST VIRGINIA | PM USA [Member]
Loss Contingencies [Line Items]
Number of civil actions	344
Number of trial phases | phase	2
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending			1	1
Health Care Cost Recovery Actions [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	1
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending			12	13
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	9
Tobacco Related Cases, Cases Filed on the Asbestos Docket [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending	24