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Contingencies (Overview of Altria Group, Inc. and/or PM USA Tobacco-Related Litigation - Schedule of Judgments Recorded and Paid) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Accrued liability for tobacco and health litigation items at beginning of period |  |  |  | $ 47 |  |  |  | $ 132 | $ 47 | $ 132 | $ 39
Payments |  |  |  |  |  |  |  |  | (21) | (190) | (57)
Accrued liability for tobacco and health litigation items at end of period | $ 106 |  |  |  | $ 47 |  |  |  | 106 | 47 | 132
Interest Expense Related To Litigation [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 8 | 7 | 23
Tobacco and Health Judgment [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded | $ 62 | $ 0 | $ 17 | $ 1 | $ 17 | $ 45 | $ 5 | $ 38 |  |  |
Tobacco and Health Judgment [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 72 | 21 | 84
Engle Progeny Cases, Federal [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 0 | 0 | 43
Lights Ultra Lights Class Actions, Aspinall [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | 0 | 32 | 0
Miner [Member] | Litigation Cases Results [Member] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | $ 0 | $ 45 | $ 0

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