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Contingencies Contingencies (Judgments Recorded and Paid) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Accrued liability for tobacco and health litigation items at beginning of period |  |  |  | $ 39 |  |  |  | $ 3 | $ 39 | $ 3 | $ 0
Payments |  |  |  |  |  |  |  |  | (57) | (8) | (19)
Accrued liability for tobacco and health litigation items at end of period | $ 132 |  |  |  | $ 39 |  |  |  | 132 | 39 | 3
Interest Expense Related To Litigation [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 23 | 2 | 4
Implementation of Corrective Communications [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 0 | 31 | 0
Tobacco and Health Judgment [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded | $ 35 | $ 67 | $ 5 | $ 43 | $ 5 | $ 4 | $ 31 | $ 4 |  |  |
Tobacco and Health Judgment [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 84 | 11 | 18
Engle Progeny Cases, Federal [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | $ 43 | $ 0 | $ 0

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- Definition Amount of 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=25496072&loc=d3e14326-108349 + Details
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- Definition Amount of payments made 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=25496072&loc=d3e14326-108349 + Details
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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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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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