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Contingencies (Other Smoking and Health Class Actions) (Details) - Smoking and Health Class Actions and Aggregated Claims Litigation [Member] $ in Billions | 1 Months Ended | 293 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 CAD ($) manufacture ruling | Sep. 30, 2020 case | Oct. 27, 2020 claim | Sep. 30, 2019 manufacture
PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 61 |  |
Arkansas [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
California [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Delaware [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
District of Columbia [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 2 |  |
Florida [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 2 |  |
Illinois [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 3 |  |
Iowa [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Kansas [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Louisiana [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Maryland [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Michigan [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Minnesota [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Nevada [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 29 |  |
New Jersey [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 6 |  |
New York [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 2 |  |
Ohio [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Oklahoma [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Oregon [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Pennsylvania [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Puerto Rico [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
South Carolina [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Texas [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Wisconsin [Member] | PM USA [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Class not certified |  | 1 |  |
Canada [Member] | Canadian Tobacco Manufacturers [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of manufacturers | manufacture | 3 |  |  | 3
Number of verdicts upheld | ruling | 2 |  |  |
Amount awarded to other party | $ | $ 13 |  |  |
Subsequent Event [Member] | Canada [Member] | Philip Morris USA and Altria Group [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | claim |  |  | 7 |
Subsequent Event [Member] | British Columbia and Saskatchewan [Member] | Philip Morris USA and Altria Group [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of cases pending | claim |  |  | 2 |

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