Segment Reporting (Smokeable Products Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net revenues	$ 23,279	$ 24,018	$ 24,483
Operating income	9,899	11,241	11,547
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	20,485	21,204	21,756
Settlement charges	(3,028)	(3,460)	(3,711)
Excise taxes on products	(3,042)	(3,469)	(3,869)
Other segment items	(3,431)	(3,454)	(3,506)
Operating income	$ 10,984	$ 10,821	$ 10,670