Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 26,013	$ 26,153	$ 25,110
Operating income	11,560	10,873	10,326
Amortization of intangibles	(72)	(72)	(44)
Corporate asset impairment and exit costs		4	(188)
Interest and other debt expense, net	1,162	1,209	1,280
Loss on early extinguishment of debt	649	0	0
Net periodic benefit income, excluding service cost	(202)	(77)	(37)
(Income) losses from equity investments	5,979	111	(1,725)
Impairment of JUUL equity securities	0	2,600	8,600
Loss on Cronos-related financial instruments	148	140	1,442
Earnings before income taxes	3,824	6,890	766
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
General corporate expenses	(345)	(227)	(199)
Corporate asset impairment and exit costs	0	1	(1)
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	22,866	23,089	21,996
Smokeable Products [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	10,394	9,985	9,009
Oral Tobacco Products [Member]
Segment Reporting Information [Line Items]
Net revenues	2,608	2,533	2,367
Oral Tobacco Products [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	1,659	1,718	1,580
Wine [Member]
Segment Reporting Information [Line Items]
Net revenues	494	614	689
Wine [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	21	(360)	(3)
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	45	(83)	58
All Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income	$ (97)	$ (172)	$ (16)