Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net earnings attributable to Altria Group, Inc.	$ 1,093	$ 1,528	$ 3,963	$ 3,994
Less: Distributed and undistributed earnings attributable to unvested restricted shares and restricted stock units	(1)	(3)	(6)	(8)
Earnings for basic and diluted EPS	$ 1,092	$ 1,525	$ 3,957	$ 3,986
Weighted-average shares for basic and diluted EPS	1,952	1,958	1,954	1,962