Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Contingencies (Engle Progeny Cases Trial Results - Pending and Concluded) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Jun. 30, 2024
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] \| Settled Litigation [Member]
Loss Contingencies [Line Items]
Payment Amount for Damages (if any)	$ 1
Engle Progeny Cases, McCall [Member] \| Settled Litigation [Member]
Loss Contingencies [Line Items]
Payment Amount for Damages (if any)	$ 1