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Contingencies (Overview of Altria and/or PM USA Tobacco-Related Litigation Narrative) (Details) - case |  | 234 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 23, 2018 | Jun. 30, 2018 | Jul. 24, 2017 | Jul. 22, 2016
Health Care Cost Recovery Actions [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending |  |  | 1 | 1
Smoking And Health Class Actions And Aggregated Claims Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending |  |  | 4 | 5
Individual Smoking And Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending |  |  | 90 | 62
Subsequent Event [Member] | Health Care Cost Recovery Actions [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 1 |  |  |
Subsequent Event [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 3 |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 97 |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] | FLORIDA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 38 |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] | MASSACHUSETTS [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 27 |  |  |
Philip Morris USA and Altria Group [Member] | Subsequent Event [Member] | Health Care Cost Recovery Actions [Member] | CANADA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 8 |  |  |
Philip Morris USA and Altria Group [Member] | Subsequent Event [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member] | CANADA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 7 |  |  |
PM USA [Member] | Non Engle Progeny Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of verdicts returned |  | 63 |  |
Number of favorable verdicts |  | 42 |  |
Number of unfavorable verdicts |  | 21 |  |
Number of claims resolved |  | 19 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | ALASKA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | CALIFORNIA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 7 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | CONNECTICUT [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | FLORIDA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 10 |  |
Number cases with granted new trial |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | LOUISIANA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | MASSACHUSETTS [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | MISSISSIPPI [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | MISSOURI [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 4 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | NEW HAMPSHIRE [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | NEW JERSEY [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | NEW YORK [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 5 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | OHIO [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | PENNSYLVANIA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | RHODE ISLAND [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | TENNESSEE [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
PM USA [Member] | Non Engle Progeny Cases [Member] | WEST VIRGINIA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
PM USA [Member] | Subsequent Event [Member] | Health Care Cost Recovery Actions [Member] | CANADA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 10 |  |  |
PM USA [Member] | Subsequent Event [Member] | Engle Progeny Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases set for trial | 10 |  |  |
Number of verdicts returned | 121 |  |  |
Number of favorable verdicts | 45 |  |  |
Number of unfavorable verdicts | 66 |  |  |
Number of claims with unfavorable verdicts pending/reversed | 8 |  |  |
PM USA [Member] | Subsequent Event [Member] | Individual Smoking And Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases set for trial | 1 |  |  |

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