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Contingencies (Certain Other Tobacco-Related Litigation, Guarantees and Other Similar Matters) (Details) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 30, 2016 case patent | Mar. 31, 2016 USD ($) case plantiff defendant | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Contingent liability related to performance surety bonds | $ |  | $ 22 |  |
Redeemable noncontrolling interest | $ |  | 37 |  | $ 37
Letter of Credit [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Credit line available under the agreement | $ |  | $ 62 |  |
Revolving Credit Facility [Member] | Credit Agreement [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Credit line available under the agreement | $ |  |  | $ 3,000 |
Debt instrument, term |  |  | 5 years |
Argentine Growers Case [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of defendants | defendant |  | 3 |  |
UST Litigation [Member] | WEST VIRGINIA |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of plaintiffs | plantiff |  | 5 |  |
UST Litigation [Member] | FLORIDA |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | case |  | 1 |  |
PM USA [Member] | Argentine Growers Case [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | case |  | 6 |  |
PM USA [Member] | Argentine Growers Case [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | case |  | 5 |  |
Subsequent Event [Member] | Nu Mark Patent Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | case | 1 |  |  |
Patents allegedly infringed upon | patent | 8 |  |  |

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