Segment Reporting (Schedule of Pre-tax Tobacco and Health Litigation Charges) (Details) - Tobacco and Health Litigation Cases [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	$ 58	$ 101	$ 430
General Corporate [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	0	30	350
Interest And Other Debt Expense, Net [Member] | Interest and other debt expense, net [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	3	1	11
PM USA [Member] | Operating Income (Loss) [Member] | Operating Segments [Member] | Smokeable Products [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	$ 55	$ 70	$ 69