Condensed Consolidating Financial Information (Condensed Consolidating Statements of Earnings and Comprehensive Earnings) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Condensed Income Statements, Captions [Line Items]
Net revenues	$ 6,521	$ 6,613		$ 12,587	$ 12,417
Cost of sales	1,924	2,004		3,798	3,801
Excise taxes on products	1,640	1,738		3,176	3,270
Gross profit	2,957	2,871		5,613	5,346
Marketing, administration and research costs	546	643		1,105	1,253
Asset impairment and exit costs	1	4		121	4
Operating income	2,410	2,224		4,387	4,089
Interest and other debt expense (income), 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
(Benefit) provision for income taxes	880	805		1,545	1,349
Equity earnings of subsidiaries	0	0		0	0
Net earnings	1,654	1,449		2,872	2,467
Net earnings attributable to noncontrolling interests	(1)	(1)		(2)	(1)
Net earnings attributable to Altria Group, Inc.	1,653	1,448		2,870	2,466
Other comprehensive (losses) earnings, net of deferred income taxes	(13)	67		(60)	(196)	$ (598)
Comprehensive earnings	1,641	1,516		2,812	2,271
Comprehensive earnings attributable to noncontrolling interests	(1)	(1)		(2)	(1)
Comprehensive earnings attributable to Altria Group, Inc.	1,640	1,515		2,810	2,270
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	0	0		0	0
Cost of sales	0	0		0	0
Excise taxes on products	0	0		0	0
Gross profit	0	0		0	0
Marketing, administration and research costs	37	47		73	89
Asset impairment and exit costs	0	0		5	0
Operating income	(37)	(47)		(78)	(89)
Interest and other debt expense (income), net	135	138		264	292
Loss on early extinguishment of debt					228
Earnings from equity investment in SABMiller	(199)	(225)		(265)	(359)
Gain on derivative financial instrument	(117)			(157)
Earnings before income taxes	144	40		80	(250)
(Benefit) provision for income taxes	12	(2)		(37)	(145)
Equity earnings of subsidiaries	1,521	1,406		2,753	2,571
Net earnings	1,653	1,448		2,870	2,466
Net earnings attributable to noncontrolling interests	0	0		0	0
Net earnings attributable to Altria Group, Inc.	1,653	1,448		2,870	2,466
Other comprehensive (losses) earnings, net of deferred income taxes	(13)	67		(60)	(196)
Comprehensive earnings	1,640	1,515		2,810	2,270
Comprehensive earnings attributable to noncontrolling interests	0	0		0	0
Comprehensive earnings attributable to Altria Group, Inc.	1,640	1,515		2,810	2,270
Reportable Legal Entities [Member] | PM USA [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	5,645	5,810		10,910	10,878
Cost of sales	1,675	1,746		3,317	3,312
Excise taxes on products	1,582	1,684		3,069	3,164
Gross profit	2,388	2,380		4,524	4,402
Marketing, administration and research costs	413	494		828	959
Asset impairment and exit costs	1	0		95	0
Operating income	1,974	1,886		3,601	3,443
Interest and other debt expense (income), net	2	1		17	0
Loss on early extinguishment of debt					0
Earnings from equity investment in SABMiller	0	0		0	0
Gain on derivative financial instrument	0			0
Earnings before income taxes	1,972	1,885		3,584	3,443
(Benefit) provision for income taxes	713	690		1,316	1,274
Equity earnings of subsidiaries	80	65		140	126
Net earnings	1,339	1,260		2,408	2,295
Net earnings attributable to noncontrolling interests	0	0		0	0
Net earnings attributable to Altria Group, Inc.	1,339	1,260		2,408	2,295
Other comprehensive (losses) earnings, net of deferred income taxes	2	3		(15)	7
Comprehensive earnings	1,341	1,263		2,393	2,302
Comprehensive earnings attributable to noncontrolling interests	0	0		0	0
Comprehensive earnings attributable to Altria Group, Inc.	1,341	1,263		2,393	2,302
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	886	815		1,696	1,560
Cost of sales	259	270		500	510
Excise taxes on products	58	54		107	106
Gross profit	569	491		1,089	944
Marketing, administration and research costs	96	102		204	205
Asset impairment and exit costs	0	4		21	4
Operating income	473	385		864	735
Interest and other debt expense (income), net	55	56		111	112
Loss on early extinguishment of debt					0
Earnings from equity investment in SABMiller	0	0		0	0
Gain on derivative financial instrument	0			0
Earnings before income taxes	418	329		753	623
(Benefit) provision for income taxes	155	117		266	220
Equity earnings of subsidiaries	0	0		0	0
Net earnings	263	212		487	403
Net earnings attributable to noncontrolling interests	(1)	(1)		(2)	(1)
Net earnings attributable to Altria Group, Inc.	262	211		485	402
Other comprehensive (losses) earnings, net of deferred income taxes	27	35		(129)	70
Comprehensive earnings	290	247		358	473
Comprehensive earnings attributable to noncontrolling interests	(1)	(1)		(2)	(1)
Comprehensive earnings attributable to Altria Group, Inc.	289	246		356	472
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	(10)	(12)		(19)	(21)
Cost of sales	(10)	(12)		(19)	(21)
Excise taxes on products	0	0		0	0
Gross profit	0	0		0	0
Marketing, administration and research costs	0	0		0	0
Asset impairment and exit costs	0	0		0	0
Operating income	0	0		0	0
Interest and other debt expense (income), net	0	0		0	0
Loss on early extinguishment of debt					0
Earnings from equity investment in SABMiller	0	0		0	0
Gain on derivative financial instrument	0			0
Earnings before income taxes	0	0		0	0
(Benefit) provision for income taxes	0	0		0	0
Equity earnings of subsidiaries	(1,601)	(1,471)		(2,893)	(2,697)
Net earnings	(1,601)	(1,471)		(2,893)	(2,697)
Net earnings attributable to noncontrolling interests	0	0		0	0
Net earnings attributable to Altria Group, Inc.	(1,601)	(1,471)		(2,893)	(2,697)
Other comprehensive (losses) earnings, net of deferred income taxes	(29)	(38)		144	(77)
Comprehensive earnings	(1,630)	(1,509)		(2,749)	(2,774)
Comprehensive earnings attributable to noncontrolling interests	0	0		0	0
Comprehensive earnings attributable to Altria Group, Inc.	$ (1,630)	$ (1,509)		$ (2,749)	$ (2,774)