Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Net revenues	$ 6,837	$ 6,729	$ 19,250	$ 19,475
Operating income	2,557	2,589	7,371	7,356
Interest and other debt expense, net	(159)	(169)	(503)	(525)
Net periodic benefit income, excluding service cost	21	18	37	37
Earnings from equity investment in AB InBev	189	169	759	332
(Loss) gain on AB InBev/SABMiller business combination	0	37	(33)	445
Earnings before income taxes and equity earnings of subsidiaries	2,608	2,644	7,631	7,645
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Net revenues	6,035	5,975	16,995	17,355
Smokeless Products [Member]
Segment Reporting Information [Line Items]
Net revenues	586	550	1,690	1,580
Wine [Member]
Segment Reporting Information [Line Items]
Net revenues	181	181	489	471
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	35	23	76	69
Operating Segments [Member] \| Smokeable Products [Member]
Segment Reporting Information [Line Items]
Operating income	2,277	2,276	6,516	6,536
Operating Segments [Member] \| Smokeless Products [Member]
Segment Reporting Information [Line Items]
Operating income	370	348	1,085	941
Operating Segments [Member] \| Wine [Member]
Segment Reporting Information [Line Items]
Operating income	29	36	73	82
Operating Segments [Member] \| All Other [Member]
Segment Reporting Information [Line Items]
Operating income	(38)	(10)	(121)	(31)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Amortization of intangibles	(20)	(5)	(30)	(15)
General corporate [Member]
Segment Reporting Information [Line Items]
General corporate expenses	$ (61)	$ (56)	$ (152)	$ (157)

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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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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