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Contingencies (Schedule Of Pending Cases) (Details) |  | 1 Months Ended | 12 Months Ended | 269 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 22, 2018 case | Mar. 31, 2018 case | Oct. 23, 2017 case trial plantiff | Sep. 30, 2018 case | Oct. 24, 2016 case
Individual Smoking And Health Cases [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  | 87 |  | 66
ETS Smoking and Health Case, Flight Attendants [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of claims dismissed |  | 923 |  |  |
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  | 4 |  | 5
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of claims dismissed |  |  |  | 61 |
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | FLORIDA [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of claims dismissed |  |  |  | 2 |
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | Pending Litigation [Member] | WEST VIRGINIA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases |  |  | 30 |  |
Number of plaintiffs | plantiff |  |  | 30 |  |
Number of consolidated trials | trial |  |  | 6 |  |
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 |  |
Health Care Cost Recovery Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  | 1 |  | 1
Lights Ultra Lights Class Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  | 4 |  | 9
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 101 |  |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] | MASSACHUSETTS [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 29 |  |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] | FLORIDA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 38 |  |  |  |
Subsequent Event [Member] | ETS Smoking and Health Case, Flight Attendants [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases | 1,491 |  |  |  |
Subsequent Event [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 2 |  |  |  |
Subsequent Event [Member] | Health Care Cost Recovery Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 1 |  |  |  |
Subsequent Event [Member] | Lights Ultra Lights Class Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 2 |  |  |  |

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