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Contingencies (Overview of Altria Group, Inc. and/or PM USA Tobacco-Related Litigation Narrative) (Details) - case |  | 12 Months Ended | 219 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 27, 2017 | Dec. 31, 2015 | Mar. 31, 2017 | Apr. 25, 2016 | Apr. 20, 2015
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 |  |  |  | 5 | 5
Individual Smoking And Health Cases [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  |  | 62 | 64
Lights Ultra Lights Class Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending |  |  |  | 11 | 12
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 | 5 |  |  |  |
Subsequent Event [Member] | Individual Smoking And Health Cases [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 80 |  |  |  |
Subsequent Event [Member] | Lights Ultra Lights Class Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 5 |  |  |  |
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 |  |  | 61 |  |
Number of favorable verdicts |  |  | 41 |  |
Number of unfavorable verdicts |  |  | 20 |  |
Number of claims resolved |  |  | 18 |  |
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] | 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] | Engle Progeny Cases, Federal [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of claims resolved |  | 415 |  |  |
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 pending | 3 |  |  |  |
Number of cases set for trial | 6 |  |  |  |
Number of verdicts returned | 108 |  |  |  |
Number of favorable verdicts | 45 |  |  |  |
Number of unfavorable verdicts | 60 |  |  |  |
PM USA [Member] | Subsequent Event [Member] | Individual Smoking And Health Cases [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases set for trial | 0 |  |  |  |
PM USA [Member] | Subsequent Event [Member] | Lights Ultra Lights Class Actions [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases set for trial | 0 |  |  |  |
PM USA [Member] | Subsequent Event [Member] | Engle Progeny Cases, Federal [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases pending | 13 |  |  |  |
Number of favorable verdicts | 9 |  |  |  |

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