Segment Reporting (Schedule of Pre-tax Tobacco and Health Litigation Charges) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded			$ 90
Tobacco and Health Litigation Cases [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	$ 430	$ 131	182
Tobacco and Health Litigation Cases [Member] | General Corporate [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Provision related to litigation recorded	350	27	90
Tobacco and Health Litigation Cases [Member] | 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	11	3	9
PM USA [Member] | Tobacco and Health Litigation Cases [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	$ 69	$ 101	$ 83