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Contingencies (Overview of Altria and/or PM USA Tobacco-Related Litigation Narrative) (Details) - case |  | 247 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 26, 2019 | Jul. 26, 2019 | Jul. 23, 2018 | Jul. 24, 2017
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 |  |  | 3 | 4
Individual Smoking and Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending |  |  | 97 | 90
Subsequent Event [Member] | Health Care Cost Recovery Actions [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 1 | 1 |  |
Subsequent Event [Member] | Smoking and Health Class Actions and Aggregated Claims Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 2 | 2 |  |
Subsequent Event [Member] | Individual Smoking and Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 90 | 90 |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] | Canada [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 10 | 10 |  |
Subsequent Event [Member] | PM USA [Member] | Engle Progeny Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases set for trial | 7 | 7 |  |
Number of verdicts returned | 131 |  |  |
Number of favorable verdicts | 46 |  |  |
Number of unfavorable verdicts | 74 |  |  |
Subsequent Event [Member] | PM USA [Member] | Individual Smoking and Health Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases set for trial | 2 | 2 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of verdicts returned |  | 65 |  |
Number of favorable verdicts |  | 43 |  |
Number of unfavorable verdicts |  | 22 |  |
Number of claims resolved |  | 20 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Alaska [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | California [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 7 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Connecticut [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Florida [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 10 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Louisiana [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Massachusetts [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 3 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Mississippi [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Missouri [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 4 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New Hampshire [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New Jersey [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New York [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 5 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Ohio [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Pennsylvania [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Rhode Island [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 1 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Tennessee [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | West Virginia [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts |  | 2 |  |
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | Health Care Cost Recovery Actions [Member] | Canada [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 8 | 8 |  |
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | Smoking and Health Class Actions and Aggregated Claims Litigation [Member] | Canada [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 7 | 7 |  |

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