Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net revenues	$ 6,305	$ 6,663	$ 12,413	$ 12,746
Operating income	2,498	2,528	4,814	4,767
Interest and other debt expense, net	(178)	(177)	(344)	(356)
Net periodic benefit income, excluding service cost	9	11	16	19
Earnings from equity investment in AB InBev	228	140	570	163
(Loss) gain on AB InBev/SABMiller business combination	0	408	(33)	408
Earnings before income taxes and equity earnings of subsidiaries	2,557	2,910	5,023	5,001
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	5,546	5,922	10,960	11,380
Smokeless Products [Member]
Segment Reporting Information [Line Items]
Net revenues	579	564	1,104	1,030
Wine [Member]
Segment Reporting Information [Line Items]
Net revenues	166	150	308	290
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	14	27	41	46
Operating Segments [Member] \| Smokeable Products [Member]
Segment Reporting Information [Line Items]
Operating income	2,201	2,224	4,239	4,260
Operating Segments [Member] \| Smokeless Products [Member]
Segment Reporting Information [Line Items]
Operating income	377	347	715	593
Operating Segments [Member] \| Wine [Member]
Segment Reporting Information [Line Items]
Operating income	27	25	44	46
Operating Segments [Member] \| All Other [Member]
Segment Reporting Information [Line Items]
Operating income	(57)	(8)	(83)	(21)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Amortization of intangibles	(5)	(5)	(10)	(10)
General corporate [Member]
Segment Reporting Information [Line Items]
General corporate expenses	$ (45)	$ (55)	$ (91)	$ (101)

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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