v3.26.1
Segment Reporting: (Depreciation and Amortization Expense) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Total depreciation and amortization expense $ 513 $ 490 $ 1,023 $ 970
Operating Segments        
Segment Reporting [Line Items]        
Total depreciation and amortization expense 186 176 370 348
Other        
Segment Reporting [Line Items]        
Total depreciation and amortization expense 327 314 653 622
International Smoke-Free | Operating Segments        
Segment Reporting [Line Items]        
Total depreciation and amortization expense 90 82 180 160
International Combustibles | Operating Segments        
Segment Reporting [Line Items]        
Total depreciation and amortization expense 69 72 136 143
U.S. | Operating Segments        
Segment Reporting [Line Items]        
Total depreciation and amortization expense $ 27 $ 22 $ 54 $ 45