Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net revenues	$ 6,521	$ 6,613		$ 12,587	$ 12,417
Corporate asset impairment and exit costs	(1)	(4)		(121)	(4)
Operating income	2,410	2,224		4,387	4,089
Interest and other debt expense, net	(192)	(195)		(392)	(404)
Loss on early extinguishment of debt	0	0	$ (228)	0	(228)
Earnings from equity investment in SABMiller	199	225		265	359
Gain on derivative financial instrument	117	0		157	0
Earnings before income taxes	2,534	2,254		4,417	3,816
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net revenues	6,521	6,613		12,587	12,417
Operating Segments [Member] | Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	5,829	5,974		11,251	11,195
Operating companies income (loss)	2,118	2,024		3,869	3,710
Operating Segments [Member] | Smokeless Products [Member]
Segment Reporting Information [Line Items]
Net revenues	523	481		1,002	911
Operating companies income (loss)	338	293		618	544
Operating Segments [Member] | Wine [Member]
Segment Reporting Information [Line Items]
Net revenues	171	161		316	295
Operating companies income (loss)	34	35		62	62
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	(2)	(3)		18	16
Operating companies income (loss)	(33)	(63)		(54)	(104)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Amortization of intangibles	(5)	(5)		(10)	(10)
General corporate expenses	(42)	(60)		(93)	(113)
Corporate asset impairment and exit costs	$ 0	$ 0		$ (5)	$ 0