v3.25.0.1
Acquisitions and Divestitures: (Identifiable Intangible Assets) (Details) - USD ($)
$ in Millions
Nov. 11, 2023
Dec. 31, 2024
Dec. 31, 2023
Business Acquisition [Line Items]      
Estimated Fair Value (in millions)   $ 4,446 $ 4,543
Trademarks      
Business Acquisition [Line Items]      
Estimated Fair Value (in millions)   $ 1,284 $ 1,483
Swedish Match AB      
Business Acquisition [Line Items]      
Total identifiable intangible assets $ 7,868    
Swedish Match AB | Trademarks      
Business Acquisition [Line Items]      
Estimated Fair Value (in millions) $ 1,067    
Swedish Match AB | Developed technology, including patents      
Business Acquisition [Line Items]      
Useful Life 10 years    
Estimated Fair Value (in millions) $ 113    
Swedish Match AB | Customer relationships      
Business Acquisition [Line Items]      
Estimated Fair Value (in millions) $ 3,555    
Swedish Match AB | Minimum | Trademarks      
Business Acquisition [Line Items]      
Useful Life 20 years    
Swedish Match AB | Minimum | Customer relationships      
Business Acquisition [Line Items]      
Useful Life 6 years    
Swedish Match AB | Maximum | Trademarks      
Business Acquisition [Line Items]      
Useful Life 30 years    
Swedish Match AB | Maximum | Customer relationships      
Business Acquisition [Line Items]      
Useful Life 15 years    
Swedish Match AB | Trademarks      
Business Acquisition [Line Items]      
Estimated Fair Value (in millions) $ 3,133