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Contingencies (Lights/Ultra Lights Cases) (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jul. 31, 2016 USD ($) | May 31, 2016 USD ($) | Apr. 30, 2016 USD ($) | Feb. 29, 2016 USD ($) $ / plantiff | Feb. 28, 2014 $ / plantiff | Jun. 30, 2017 USD ($) case | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Jun. 30, 2017 USD ($) case | Jun. 30, 2016 USD ($) | Jul. 24, 2017 case | Jul. 22, 2016 case | Jul. 24, 2015 case
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  |  |  |  |  |  | $ (1,200,000,000) |  | $ (1,200,000,000) |  | $ (2,300,000,000) |  |  |  |
Payments made related to litigation |  |  |  |  |  |  |  |  | $ 17,000,000 |  | $ 128,000,000 |  | $ 18,000,000 | $ 145,000,000 |  |  |
Lights [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims not certified, number | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  |
Lights [Member] | PM USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of state courts | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21 |  |
Lights Ultra Lights Class Actions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 | 12
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Larsen [Member] | PM USA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  |
Aspinall [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  | $ (15,300,000) |  |  | $ 32,000,000 | $ 4,900,000 |  |  |  |  |  |  |  |  |  |
Payments made related to litigation |  |  |  |  | $ 32,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Legal fees |  |  | $ 16,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aspinall [Member] | PM USA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought per class member | $ / plantiff |  |  |  |  |  |  | 25 | 25 |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  |  |  | $ 32,000,000 |  |  |  |  |
Miner [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  | $ (45,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | $ 45,000,000 |  |  |  |  |  |  |
Payments for legal settlements |  | $ 45,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delaware Consumer Fraud Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount | $ (3,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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