Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net earnings attributable to Altria Group, Inc.	$ 1,528	$ 1,397	$ 3,994	$ 3,834
Less: Distributed and undistributed earnings attributable to unvested restricted shares and restricted stock units (also known as deferred stock)	(3)	(3)	(8)	(9)
Earnings for Basic and Diluted EPS	$ 1,525	$ 1,394	$ 3,986	$ 3,825
Weighted-average shares for basic and diluted EPS	1,958	1,976	1,962	1,981