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Contingencies (Non-Engle Progeny Litigation) (Details) - USD ($) | Sep. 30, 2022 | Feb. 28, 2021 | May 31, 2020 | Feb. 29, 2020 | Sep. 30, 2019
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Non-Engle Progeny Smoking And Health Case, Mendez [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded | $ 1,000,000 |  |  |  |
Loss contingency, fault allocation percentage | 13.00% |  |  |  |
Punitive damages awarded | $ 0 |  |  |  |
Non-Engle Progeny Smoking And Health Case, Mendez [Member] | Philip Morris USA And R.J. Reynolds Tobacco Company |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded | 4,500,000 |  |  |  |
Non-Engle Progeny Smoking And Health Case, Fontaine [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded | 8,000,000 |  |  |  |
Punitive damages awarded | $ 1,000,000,000 |  |  |  |
Non-Engle Progeny Smoking And Health Case, Principe [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  |  |  | $ 11,000,000 |
Punitive damages awarded |  |  |  | $ 0 |
Non-Engle Progeny Smoking and Health Case, Greene [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  | $ 2,300,000 | $ 30,000,000 |  | $ 10,000,000

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