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Contingencies (Engle Class Action And Engle Progeny Trial Results) (Details) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 28, 2019 USD ($) case plantiff | Jul. 31, 2006 | Dec. 31, 2015 case | Jul. 31, 2000 USD ($)
Engle Progeny Cases [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Punitive damages awarded | $ |  |  |  | $ 145,000,000,000
Engle Progeny Cases [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Punitive damages awarded | $ |  |  |  | $ 74,000,000,000
Period for decertified class members could file individual actions |  | 1 year |  |
Engle Progeny Cases, Federal [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of claims resolved |  |  | 415 |
Subsequent Event [Member] | Engle Progeny Cases [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of verdicts returned | 133 |  |  |
Number of unfavorable verdicts | 75 |  |  |
Number of claims with unfavorable verdicts pending/reversed | 7 |  |  |
Number of favorable verdicts | 47 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, State [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 1,700 |  |  |
Number of plaintiffs | plantiff | 2,200 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, State [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts | 42 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, Federal [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | 4 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, D Cohen, Collar, Chacon [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of verdicts reversed | 4 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, Reider and Banks [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Zero damages verdicts | 2 |  |  |
Damages awarded, value | $ | $ 0 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, Weingart and Hancock [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Zero damages verdict modified | 2 |  |  |
Damages awarded, value | $ | $ 0 |  |  |
Subsequent Event [Member] | Engle Progeny Cases, Pollari [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of favorable verdicts | 1 |  |  |

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