v3.25.2
Exit and Implementation Costs (Pre-tax Exit and Implementation Costs) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]        
Exit costs $ 1 $ 354 $ 1 $ 354
Operating Segments [Member]        
Restructuring Cost and Reserve [Line Items]        
Exit costs 1   1  
Implementation Costs 14   29  
Operating Segments [Member] | Smokeable Products Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Exit costs 1   1  
Implementation Costs 12   25  
Operating Segments [Member] | Oral Tobacco Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Exit costs 0   0  
Implementation Costs $ 2   $ 4