Segment Reporting (Smokeable Products Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 24,018	$ 24,483	$ 25,096
Operating income	11,241	11,547	11,919
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	21,204	21,756	22,476
Settlement charges	(3,460)	(3,711)	(3,908)
Excise taxes on products	(3,469)	(3,869)	(4,289)
Other segment items	(3,454)	(3,506)	(3,591)
Operating income	$ 10,821	$ 10,670	$ 10,688