Contingencies (E-vapor Product Litigation and IQOS Litigation) (Details)	1 Months Ended						3 Months Ended	4 Months Ended
	Oct. 31, 2024 patent	Jun. 30, 2024 patent	Aug. 31, 2023 USD ($)	Jun. 30, 2023 USD ($) d	May 31, 2023 USD ($) claim thirdPartyClaim	Sep. 30, 2022 USD ($)	Jun. 30, 2024 USD ($)	Aug. 31, 2024 patent	Oct. 28, 2024 claim lawsuit	Oct. 23, 2023 claim	Jan. 31, 2023	Oct. 24, 2022 claim
E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending										5,177		4,351
Litigation settlement | $					$ 235,000,000
Loss contingency, number of third party cases not subject to settlement agreement | thirdPartyClaim					38
Pre-tax provision | $							$ 20,000,000
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
Loss contingency, damages recoverable, value | $				$ 0
Number of days to review | d				60
Patents allegedly infringed | patent		3						4
Patents found not infringed | patent		1
IQOS [Member]
Loss Contingencies [Line Items]
Damages awarded, value | $						$ 95,000,000
Loss contingency, royalty fee percentage											5.25%
Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending									75
Number of third party lawsuits | lawsuit									4
Patents allegedly infringed | patent	2
Subsequent Event [Member] | E-vapor Litigation [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending									3
Pending Individual Lawsuits [Member] | Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending									1