Contingencies (Non-Engle Progeny Litigation) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Nov. 30, 2025	Oct. 31, 2025	Mar. 31, 2025	Apr. 30, 2024	Aug. 31, 2023	Sep. 30, 2022
Non-Engle Progeny Smoking And Health Case, Petruzziello [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded		$ 1,000,000
Non-Engle Progeny Smoking And Health Case, Petruzziello [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Punitive damages awarded		$ 0
Non-Engle Progeny Smoking And Health Case, Perez-Trinidad [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded			$ 1,000,000
Non-Engle Progeny Smoking And Health Case, Perez-Trinidad [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Punitive damages awarded			$ 5,500,000
Non-Engle Progeny Smoking And Health Case, Amaral [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded				$ 4,000,000
Non-Engle Progeny Smoking And Health Case, Amaral [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Punitive damages awarded				$ 25,000,000
Non-Engle Progeny Smoking And Health Case, Ricapor-Hall [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded						$ 6,000,000
Non-Engle Progeny Smoking And Health Case, Ricapor-Hall [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded						3,000,000
Punitive damages awarded						$ 8,000,000
Non-Engle Progeny Smoking And Health Case, Fontaine [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded							$ 8,000,000
Non-Engle Progeny Smoking And Health Case, Fontaine [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Punitive damages awarded							$ 56,000,000
Non-Engle Progeny Smoking And Health Case, Woodley [Member] \| PM USA [Member]
Loss Contingencies [Line Items]
Payment Amount for Damages (if any)	$ 5,000,000
Non-Engle Progeny Smoking And Health Case, Taylor [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded					$ 1,000,000