Segment Reporting (Schedule of Tobacco and Health and Certain Other Litigation Items) (Details) - Tobacco and Health Litigation Cases [Member] - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] | ||
| Loss contingency accrual, provision | $ 40 | $ 24 |
| General corporate expenses [Member] | ||
| Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] | ||
| Loss contingency accrual, provision | 0 | 6 |
| Segment Reconciling Items [Member] | Interest and other debt expense, net [Member] | ||
| Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] | ||
| Loss contingency accrual, provision | 4 | 0 |
| PM USA [Member] | Operating Segments [Member] | Smokeable Products Segment [Member] | Operating Income (Loss) [Member] | ||
| Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items] | ||
| Loss contingency accrual, provision | $ 36 | $ 18 |