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Segment Reporting (Narrative) (Details) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 28, 2015 case | Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($) case
Tobacco and Health Litigation Cases [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Provision related to litigation recorded |  | $ 38 | $ 43
Engle Progeny Cases, Federal [Member] | PM USA [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Provision related to litigation recorded |  |  | $ 43
Number of claims resolved | case | 415 |  | 415
Operating Segments [Member] | Operating Income (Loss) [Member] | Smokeable Products [Member] | Tobacco and Health Litigation Cases [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Provision related to litigation recorded |  | 26 | $ 43
Segment Reconciling Items [Member] | Interest And Other Debt Expense, Net [Member] | Tobacco and Health Litigation Cases [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Provision related to litigation recorded |  | $ 12 | $ 0

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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + 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=25496072&loc=d3e14326-108349 + Details
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