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Contingencies (Non-Engle Progeny Litigation) (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Apr. 25, 2018 | Dec. 31, 2017 | Oct. 31, 2017 | Dec. 31, 2015
Loss Contingencies [Line Items] |  |  |  |  |  |
Payments made related to litigation | $ 23,000 | $ 1,000 |  |  |  |
Non-Engle Progeny Smoking and Health Case, Gentile [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Compensatory damages awarded |  |  |  |  | $ 7,100 |
Non-Engle Progeny Smoking and Health Case, Gentile [Member] | PM USA [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Compensatory damages awarded |  |  |  |  | $ 5,300 |
Compensatory damages award, allocation percentage |  |  |  |  | 75.00% |
Non-Engle Progeny Smoking and Health Case, Bullock [Member] | PM USA [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Compensatory damages awarded |  |  |  |  |  | $ 900
Provision for judgment plus interest and associated costs |  |  |  | $ 1,000 |  |
Payments made related to litigation | $ 900 |  |  |  |  |
Subsequent Event [Member] | Non-Engle Progeny Smoking and Health Case, Gentile [Member] | PM USA [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Appeal bond posted |  |  | $ 8,000 |  |  |

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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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