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Contingencies (Engle Progeny Cases Trial Results - Pending and Concluded) (Details) - USD ($) $ in Millions | 24 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Oct. 31, 2023 | Sep. 30, 2021 | Mar. 31, 2019
Engle Progeny Cases, Garcia [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  | $ 2 |  |  |
Engle Progeny Cases, Garcia [Member] | Pending Litigation [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Punitive damages awarded |  | $ 10 |  |  |
Engle Progeny Cases, Chacon [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  |  | $ 1 |  |
Engle Progeny Cases, Chacon [Member] | Pending Litigation [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Punitive damages awarded |  |  | $ 1 |  |
Engle Progeny Cases, Lipp [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  |  |  | $ 15 |
Engle Progeny Cases, Lipp [Member] | Pending Litigation [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Punitive damages awarded |  |  |  | $ 28 |
Engle Progeny Cases, McCall [Member] | Pending Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  |  |  |  | $ 1
Engle Progeny Cases, McCall [Member] | Pending Litigation [Member] | PM USA [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Compensatory damages awarded |  |  |  |  | 1
Punitive damages awarded |  |  |  |  | $ 1
Engle Progeny Cases, Chadwell [Member] | Settled Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages awarded, value | $ 2 |  |  |  |
Engle Progeny Cases, Schertzer [Member] | Settled Litigation [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages awarded, value | $ 4 |  |  |  |

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