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Contingencies (Lights/Ultra Lights Cases) (Details) $ in Millions | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
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 | Mar. 31, 2017 USD ($) case | Sep. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Apr. 27, 2017 case | Apr. 25, 2016 case | Apr. 20, 2015 case
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  |  |  |  |  |  |  | $ (1,200.0) |  |  |
Payments made related to litigation |  |  |  |  |  |  |  | $ 1.0 |  | 17.0 |  |  |
Lights [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Claims not certified, number | case |  |  |  |  |  |  |  |  |  |  | 21 |  |
Lights [Member] | PM USA [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of state courts | case |  |  |  |  |  |  |  |  |  |  | 20 |  |
Lights Ultra Lights Class Actions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  |  |  |  |  | 11 | 12
Lights Ultra Lights Class Actions [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  |  |  |  | 5 |  |
Larsen [Member] | PM USA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cases pending | case |  |  |  |  |  |  |  | 1 |  |  |  |  |
Aspinall [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  | $ (15.3) |  |  | $ 32.0 | $ 4.9 |  |  |  |  |  |  |
Payments made related to litigation |  |  |  | $ 32.0 |  |  |  |  |  |  |  |  |
Legal fees |  | $ 16.5 |  |  |  |  |  |  |  |  |  |  |
Aspinall [Member] | PM USA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought per class member | $ / plantiff |  |  |  |  |  | 25 | 25 |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  |  | $ 32.0 |  |  |
Miner [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  | $ (45.0) |  |  |  |  |  |  |  |  |  |
Provision related to litigation recorded |  |  |  |  |  |  |  |  | $ 45.0 |  |  |  |
Payments for legal settlements | $ 45.0 |  |  |  |  |  |  |  |  |  |  |  |

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