Segment Reporting (Non-Participating Manufacturer Adjustment Items) (Details) - Non-Participating Manufacturer Arbitration Panel Decision [Member] - NPM Adjustment to Cost Of Sales [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Loss (gain) related to litigation settlement	$ 0	$ 44	$ 60	$ 76
Operating Income (Loss) [Member] | Smokeable Products Segment [Member] | PM USA [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Loss (gain) related to litigation settlement	0	(21)	(60)	(53)
Interest and other debt expense, net [Member] | Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Loss (gain) related to litigation settlement	$ 0	$ 23	$ 0	$ 23