Contingencies (E-vapor Product Litigation and IQOS Litigation) (Details)	1 Months Ended					3 Months Ended
	Aug. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	May 31, 2023 USD ($) claim thirdPartyClaim	Sep. 30, 2022 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Oct. 23, 2023 claim lawsuit	Jan. 31, 2023	Oct. 24, 2022 claim	Oct. 25, 2021 claim
Loss Contingencies [Line Items]
Litigation settlement | $						$ 90,000,000
E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending									4,351	2,951
Litigation settlement | $			$ 235,000,000
Loss contingency, number of third party cases not subject to settlement agreement | thirdPartyClaim			35
Loss contingency, number of class action lawsuits pending not subject to settlement agreement			3
Loss contingency, number of putative class action antitrust lawsuits not subject to settlement agreement			17
Damages awarded, value | $	$ 10,000,000
Judgments paid | $	$ 10,000,000
Loss contingency, damages recoverable, value | $		$ 0
IQOS [Member]
Loss Contingencies [Line Items]
Damages awarded, value | $				$ 95,000,000
Loss contingency, damages recoverable, value | $					$ 0
Loss contingency, royalty fee percentage								5.25%
Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending							5,177
Number of third party lawsuits | lawsuit							4
Subsequent Event [Member] | E-vapor Litigation [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending							3
Class Action Lawsuit [Member] | Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending							57
Number of pending claims, consolidated for pre-trial purposes							32
Pending Individual Lawsuits [Member] | Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending							3,614
Pending Lawsuits Filed By State Or Local Governments [Member] | Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending							1,506
Pending Class Action Lawsuit [Member] | Subsequent Event [Member] | E-vapor Litigation [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending							3