v3.26.1
Contingencies (Other Disputes Under the State Settlement Agreements) (Details) - PM USA [Member] - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 72 Months Ended
Oct. 31, 2025
Mar. 31, 2025
Sep. 30, 2024
Dec. 31, 2023
Loss Contingencies [Line Items]        
Payments for legal settlements       $ 7
Other Disputes Under the State Settlement Agreements [Member]        
Loss Contingencies [Line Items]        
Litigation settlement $ 10 $ 31    
Cost of Sales [Member]        
Loss Contingencies [Line Items]        
Payments for legal settlements     $ 5  
Interest Expense [Member]        
Loss Contingencies [Line Items]        
Payments for legal settlements     $ 2