v3.26.1
Contingencies (E-vapor Litigation) (Details)
1 Months Ended 3 Months Ended 4 Months Ended
Jan. 29, 2025
patent
Jun. 30, 2024
patent
Jun. 30, 2023
USD ($)
May 31, 2023
USD ($)
case
claim
thirdPartyClaim
Sep. 30, 2022
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2024
USD ($)
Aug. 31, 2024
patent
Jan. 31, 2023
E-vapor Litigation [Member]                  
Loss Contingencies [Line Items]                  
Litigation settlement       $ 235,000,000          
Number of cases that opted out of settlement | case       11          
Loss contingency, number of third party cases not subject to settlement agreement | thirdPartyClaim       38          
Loss contingency, pre-tax provision           $ 4,000,000 $ 20,000,000    
Loss contingency, number of class action lawsuits pending not subject to settlement agreement | claim       4          
Loss contingency, number of putative class action antitrust lawsuits not subject to settlement agreement | claim       17          
Loss contingency, damages recoverable, value     $ 0            
Patents allegedly infringed | patent   3           4  
Patents found infringed | patent 4                
Patents pending review | patent   1              
E-vapor Litigation [Member] | California [Member]                  
Loss Contingencies [Line Items]                  
Number of cases that opted out of settlement | case       9          
IQOS [Member]                  
Loss Contingencies [Line Items]                  
Damages awarded, value         $ 95,000,000        
Loss contingency, royalty fee percentage                 5.25%