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Contingencies (Judgments Recorded and Paid) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
May 31, 2016 | Sep. 30, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Accrued liability for tobacco and health litigation items at beginning of period |  | $ 30 | $ 141 | $ 77 | $ 132 | $ 39
Payments |  | 0 |  | (3) | (145) | (13)
Accrued liability for tobacco and health litigation items at end of period |  | 75 | $ 132 | 141 | 75 | 141
Interest Expense Related To Litigation [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | 0 |  | 13 | 6 | 13
Tobacco and Health Judgment [Member] | Litigation Cases Results [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | 0 |  | 54 | 5 | 59
Federal Engle Progeny Cases [Member] | Litigation Cases Results [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | 0 |  | 0 | 0 | 43
Aspinall [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Payments | $ (32) |  |  |  |  |
Aspinall [Member] | Litigation Cases Results [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | 0 |  | 0 | 32 | 0
Miner [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | 45 |  |  |  |
Miner [Member] | Litigation Cases Results [Member] |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |
Pre-tax charges |  | $ 45 |  | $ 0 | $ 45 | $ 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 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=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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