Contingencies (Non-Engle Progeny Litigation) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 28, 2023	Sep. 30, 2022	Feb. 28, 2021	May 31, 2020	Sep. 30, 2019
Loss Contingencies [Line Items]
Loss contingency accrual, provision	$ 90,000,000
Non-Engle Progeny Smoking And Health Case, Woodley [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded		$ 5,000,000
Punitive damages awarded		$ 0
Non-Engle Progeny Smoking And Health Case, Mendez [Member] | PM USA And R.J. Reynolds Tobacco Company [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded			$ 4,500,000
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, 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, Greene [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Compensatory damages awarded				$ 2,300,000	$ 30,000,000	$ 10,000,000