Contingencies (Schedule Of Pending Cases) (Details)		1 Months Ended
	Apr. 27, 2017 case phase	Jul. 31, 2015 plantiff trial	Apr. 25, 2016 case	Apr. 20, 2015 case
Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal			62	64
Individual Smoking And Health Cases [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal	80
ETS Smoking and Health Case, Flight Attendants [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Cases excluded	2,485
Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal			5	5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Pending Litigation [Member] | WEST VIRGINIA [Member]
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 unfavorable verdicts partially or entirely reversed on appeal	5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Subsequent Event [Member] | Pending Litigation [Member] | WEST VIRGINIA [Member]
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 [Member] | 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 unfavorable verdicts partially or entirely reversed on appeal			1	1
Health Care Cost Recovery Actions [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal	1
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal			11	12
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal	5
Tobacco Related Cases, Cases Filed on the Asbestos Docket [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts partially or entirely reversed on appeal	27