Earnings Per Share (Earnings Per Share) (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	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net earnings attributable to Altria Group, Inc.	$ 488	$ 1,396	$ 1,266	$ 1,385	$ 1,103	$ 657	$ 1,225	$ 1,195	$ 4,535	$ 4,180	$ 3,390
Less: Distributed and undistributed earnings attributable to unvested restricted and deferred shares									(12)	(13)	(13)
Earnings for basic and diluted EPS									$ 4,523	$ 4,167	$ 3,377
Weighted-average shares for basic and diluted EPS									1,999	2,024	2,064