Segment Reporting: (Property, Plant and Equipment and Other Assets) (Details) - USD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|
| Segment Reporting Information [Line Items] | |||
| Total long-lived assets | $ 9,637 | $ 9,685 | $ 9,183 |
| Financial instruments | 456 | 701 | 456 |
| Total property, plant and equipment, net and Other assets | 10,093 | 13,163 | 10,641 |
| Europe | |||
| Segment Reporting Information [Line Items] | |||
| Total long-lived assets | 5,540 | 5,697 | 5,179 |
| SSEA, CIS & MEA | |||
| Segment Reporting Information [Line Items] | |||
| Total long-lived assets | 2,160 | 2,197 | 2,047 |
| East Asia and Australia | |||
| Segment Reporting Information [Line Items] | |||
| Total long-lived assets | 378 | 481 | 675 |
| Americas | |||
| Segment Reporting Information [Line Items] | |||
| Total long-lived assets | 1,559 | 1,310 | 1,282 |
| Altria Group | |||
| Segment Reporting Information [Line Items] | |||
| Altria Group, Inc. agreement | $ 0 | $ 2,777 | $ 1,002 |