Segment Reporting (Schedule of Tobacco and Health and Certain Other Litigation Items) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss contingency accrual, provision			$ 90
Tobacco and Health Litigation Cases [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss contingency accrual, provision	$ 111	$ 12
Tobacco and Health Litigation Cases [Member] | General corporate expenses [Member]
Schedule of Pre-tax Tobacco and Health Litigation Charges [Line Items]
Loss contingency accrual, provision	98	0
Tobacco and Health Litigation Cases [Member] | 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	1	0
PM USA [Member] | Tobacco and Health Litigation Cases [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	$ 12	$ 12