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, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Condensed Income Statements, Captions [Line Items]
Net revenues	$ 6,613		$ 6,256	$ 12,417	$ 11,773
Cost of sales	2,004		1,968	3,801	3,720
Excise taxes on products	1,738		1,685	3,270	3,194
Gross profit	2,871		2,603	5,346	4,859
Marketing, administration and research costs	643		638	1,253	1,158
Asset impairment and exit costs	4		(10)	4	(8)
Operating income (expense)	2,224		1,975	4,089	3,709
Interest and other debt expense (income), net	195		230	404	383
Loss on early extinguishment of debt	0	$ 228	0	228	0
Earnings from equity investment in SABMiller	(225)		(200)	(359)	(425)
Earnings (loss) before income taxes	2,254		1,945	3,816	3,751
(Benefit) provision for income taxes	805		683	1,349	1,314
Equity earnings of subsidiaries	0		0	0	0
Net earnings	1,449		1,262	2,467	2,437
Net earnings attributable to noncontrolling interests	(1)		0	(1)	0
Net earnings attributable to Altria Group, Inc.	1,448		1,262	2,466	2,437
Other comprehensive (losses) earnings, net of deferred income taxes	67		89	(196)	149	$ (1,304)
Comprehensive earnings	1,516		1,351	2,271	2,586
Comprehensive earnings attributable to noncontrolling interests	(1)		0	(1)	0
Comprehensive earnings attributable to Altria Group, Inc.	1,515		1,351	2,270	2,586
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	47		65	89	104
Asset impairment and exit costs	0		0	0	0
Operating income (expense)	(47)		(65)	(89)	(104)
Interest and other debt expense (income), net	138		152	292	308
Loss on early extinguishment of debt				228
Earnings from equity investment in SABMiller	(225)		(200)	(359)	(425)
Earnings (loss) before income taxes	40		(17)	(250)	13
(Benefit) provision for income taxes	(2)		(42)	(145)	(65)
Equity earnings of subsidiaries	1,406		1,237	2,571	2,359
Net earnings	1,448		1,262	2,466	2,437
Net earnings attributable to noncontrolling interests	0		0	0	0
Net earnings attributable to Altria Group, Inc.	1,448		1,262	2,466	2,437
Other comprehensive (losses) earnings, net of deferred income taxes	67		89	(196)	149
Comprehensive earnings	1,515		1,351	2,270	2,586
Comprehensive earnings attributable to noncontrolling interests	0		0	0	0
Comprehensive earnings attributable to Altria Group, Inc.	1,515		1,351	2,270	2,586
Reportable Legal Entities [Member] | PM USA [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	5,810		5,443	10,878	10,261
Cost of sales	1,746		1,706	3,312	3,247
Excise taxes on products	1,684		1,629	3,164	3,089
Gross profit	2,380		2,108	4,402	3,925
Marketing, administration and research costs	494		465	959	867
Asset impairment and exit costs	0		(10)	0	(8)
Operating income (expense)	1,886		1,653	3,443	3,066
Interest and other debt expense (income), net	1		17	0	(47)
Loss on early extinguishment of debt				0
Earnings from equity investment in SABMiller	0		0	0	0
Earnings (loss) before income taxes	1,885		1,636	3,443	3,113
(Benefit) provision for income taxes	690		607	1,274	1,154
Equity earnings of subsidiaries	65		64	126	117
Net earnings	1,260		1,093	2,295	2,076
Net earnings attributable to noncontrolling interests	0		0	0	0
Net earnings attributable to Altria Group, Inc.	1,260		1,093	2,295	2,076
Other comprehensive (losses) earnings, net of deferred income taxes	3		3	7	5
Comprehensive earnings	1,263		1,096	2,302	2,081
Comprehensive earnings attributable to noncontrolling interests	0		0	0	0
Comprehensive earnings attributable to Altria Group, Inc.	1,263		1,096	2,302	2,081
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	815		831	1,560	1,534
Cost of sales	270		280	510	495
Excise taxes on products	54		56	106	105
Gross profit	491		495	944	934
Marketing, administration and research costs	102		108	205	187
Asset impairment and exit costs	4		0	4	0
Operating income (expense)	385		387	735	747
Interest and other debt expense (income), net	56		61	112	122
Loss on early extinguishment of debt				0
Earnings from equity investment in SABMiller	0		0	0	0
Earnings (loss) before income taxes	329		326	623	625
(Benefit) provision for income taxes	117		118	220	225
Equity earnings of subsidiaries	0		0	0	0
Net earnings	212		208	403	400
Net earnings attributable to noncontrolling interests	(1)		0	(1)	0
Net earnings attributable to Altria Group, Inc.	211		208	402	400
Other comprehensive (losses) earnings, net of deferred income taxes	35		20	70	42
Comprehensive earnings	247		228	473	442
Comprehensive earnings attributable to noncontrolling interests	(1)		0	(1)	0
Comprehensive earnings attributable to Altria Group, Inc.	246		228	472	442
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	(12)		(18)	(21)	(22)
Cost of sales	(12)		(18)	(21)	(22)
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 (expense)	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
Earnings (loss) before income taxes	0		0	0	0
(Benefit) provision for income taxes	0		0	0	0
Equity earnings of subsidiaries	(1,471)		(1,301)	(2,697)	(2,476)
Net earnings	(1,471)		(1,301)	(2,697)	(2,476)
Net earnings attributable to noncontrolling interests	0		0	0	0
Net earnings attributable to Altria Group, Inc.	(1,471)		(1,301)	(2,697)	(2,476)
Other comprehensive (losses) earnings, net of deferred income taxes	(38)		(23)	(77)	(47)
Comprehensive earnings	(1,509)		(1,324)	(2,774)	(2,523)
Comprehensive earnings attributable to noncontrolling interests	0		0	0	0
Comprehensive earnings attributable to Altria Group, Inc.	$ (1,509)		$ (1,324)	$ (2,774)	$ (2,523)