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Contingencies (Schedule Of Pending Cases) (Details) |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 24, 2017 case phase | Jul. 31, 2015 case trial plantiff | Jul. 22, 2016 case | Jul. 24, 2015 case
Individual Smoking And Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of unfavorable verdicts partially or entirely reversed on appeal |  |  | 62 | 65
Individual Smoking And Health Cases [Member] | Subsequent Event [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of unfavorable verdicts partially or entirely reversed on appeal | 90 |  |  |
ETS Smoking and Health Case, Flight Attendants [Member] | Subsequent Event [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases | 2,486 |  |  |
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 cases |  | 30 |  |
Number of consolidated trials | trial |  | 6 |  |
Number of plaintiffs per group | plantiff |  | 5 |  |
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Pending Litigation [Member] | WEST VIRGINIA [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases |  | 9 |  |
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 | 4 |  |  |
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 |  |  | 9 | 12
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of unfavorable verdicts partially or entirely reversed on appeal | 4 |  |  |

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