Quarterly Financial Data (Unaudited) (Schedule of Pre-tax Charges or (Gains) Included in Net Earnings Attributable to Altria Group, Inc.) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended									12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
PMCC decrease to allowance for losses	$ 0	$ 0	$ (27)	$ (20)	$ 0	$ (33)	$ (11)	$ 0	$ (35)	$ (47)	$ (10)	$ 25
Asset impairment, exit and implementation costs	10	0	1	1	16	11	25	4		12	56	226
Loss on early extinguishment of debt	1,084	0	0	0	0	874	0	0		1,084	874	0
SABMiller special items	6	14	(4)	15	16	19	26	(309)
Pre-tax charges (gain) included in net earning	1,100	(115)	(66)	(481)	33	874	48	(305)
NPM Adjustment
Condensed Financial Statements, Captions [Line Items]
Litigation expense	0	(145)	(36)	(483)
Tobacco and Health Judgment [Member]
Condensed Financial Statements, Captions [Line Items]
Litigation expense	$ 0	$ 16	$ 0	$ 6	$ 1	$ 3	$ 1	$ 0