Segment Reporting (Segment Data Schedule) (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
Amortization of intangibles	(139)	(128)	(73)
Interest and other debt expense, net	1,037	989	1,058
Net periodic benefit income, excluding service cost	(102)	(127)	(184)
(Income) losses from investments in equity securities	(652)	(243)	3,656
Gain on the sale of IQOS System commercialization rights	(2,700)	0	0
Earnings before income taxes	13,658	10,928	7,389
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Segment Reporting Information [Line Items]
General corporate expenses	(476)	(643)	(292)
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	21,204	21,756	22,476
Operating income	10,821	10,670	10,688
Smokeable Products [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	10,821	10,670	10,688
Oral Tobacco Products [Member]
Segment Reporting Information [Line Items]
Net revenues	2,776	2,667	2,580
Oral Tobacco Products [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	1,449	1,722	1,632
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	38	60	40
All Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	$ (414)	$ (74)	$ (36)