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Contingencies (Judgments Recorded and Paid) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2016 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Accrued liability for tobacco and health litigation items at beginning of period |  |  |  |  | $ 132 |  |  |  | $ 39 | $ 132 | $ 39 | $ 3
Payments |  |  |  |  |  |  |  |  |  | (190) | (57) | (8)
Accrued liability for tobacco and health litigation items at end of period |  | $ 47 |  |  |  | $ 132 |  |  |  | 47 | 132 | 39
Interest Expense Related To Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | 7 | 23 | 2
Implementation of Corrective Communications [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | 0 | 0 | 31
Tobacco and Health Judgment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  | $ 17 | $ 45 | $ 5 | $ 38 | $ 35 | $ 67 | $ 5 | $ 43 |  |  |
Tobacco and Health Judgment [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | 21 | 84 | 11
Engle Progeny Cases, Federal [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | 0 | 43 | 0
Lights Ultra Lights Class Actions, Aspinall [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Payments | $ (32) |  |  |  |  |  |  |  |  |  |  |
Lights Ultra Lights Class Actions, Aspinall [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | 32 | 0 | 0
Miner [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  | $ 45 |  |  |  |  |  |  |  |  |
Miner [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | $ 45 | $ 0 | $ 0

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