Contingencies (Non-Engle Progeny Litigation) (Details) - USD ($)	Sep. 30, 2022	Feb. 28, 2021	May 31, 2020	Feb. 29, 2020	Sep. 30, 2019
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