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Contingencies (Smoking and Health Litigation - Engle Class Action, Engle Progeny Appellate Issues, Florida Bond Statute Narrative) (Details) |  | 1 Months Ended | 12 Months Ended | 159 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 29, 2018 USD ($) case | Jun. 30, 2009 USD ($) case | Feb. 29, 2008 USD ($) | Jul. 31, 2006 USD ($) plantiff | May 31, 2001 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) case | Dec. 31, 2017 USD ($) | Jul. 31, 2000 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Payments made related to litigation | $ |  |  |  |  |  | $ 21,000,000 | $ 190,000,000 | $ 57,000,000 |  |
Engle Progeny Cases [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Punitive damages awarded | $ |  |  |  |  |  |  |  |  |  | $ 145,000,000,000
Engle Progeny Cases [Member] | Philip Morris USA [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Punitive damages awarded | $ |  |  |  |  |  |  |  |  |  | $ 74,000,000,000
Amounts placed in escrow | $ |  |  |  |  | $ 500,000,000 |  |  |  |  |
Period for members of decertified class to file individual actions against defendants |  |  |  | 1 year |  |  |  |  |  |
Engle Progeny Cases [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of verdicts returned | 116 |  |  |  |  |  |  |  |  |
Number of unfavorable verdicts | 61 |  |  |  |  |  |  |  |  |
Number of favorable verdicts | 45 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Florida [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Compensatory damages awarded | $ |  |  |  | $ 6,900,000 |  |  |  |  |  |
Florida bond cap | $ |  | $ 200,000,000 |  |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Alachua County, Florida [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute |  | 3 |  |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Escambia County, Florida [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute |  | 1 |  |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of cases pending | 2,400 |  |  |  |  |  |  |  |  |
Number of plaintiffs | 3,100 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Philip Morris USA [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of claims resolved |  |  |  |  |  |  |  | 7 |  |
Engle Progeny Cases, State [Member] | Philip Morris USA [Member] | Florida [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of individual plaintiffs reinstated | plantiff |  |  |  | 2 |  |  |  |  |  |
Payments made related to litigation | $ |  |  | $ 3,000,000 |  |  |  |  |  |  |
Engle Progeny Cases, State [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of favorable verdicts | 36 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, D. Cohen and Collar [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of unfavorable verdicts | 2 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, Federal [Member] | Philip Morris USA [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Amounts placed in escrow | $ |  |  |  |  |  |  |  | $ 43,000,000 | $ 43,000,000 |
Number of claims resolved |  |  |  |  |  |  |  | 415 |  |
Engle Progeny Cases, Federal [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of cases pending | 12 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, Reider and Banks [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Damages awarded, value | $ | $ 0 |  |  |  |  |  |  |  |  |
Engle Progeny Cases, Weingart and Hancock [Member] | Philip Morris USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Damages awarded, value | $ | $ 0 |  |  |  |  |  |  |  |  |

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