Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net earnings attributable to Altria Group, Inc.	$ 1,989	$ 1,653	$ 3,390	$ 2,870
Less: Distributed and undistributed earnings attributable to unvested restricted shares and restricted stock units	(3)	(3)	(5)	(5)
Earnings for basic and diluted EPS	$ 1,986	$ 1,650	$ 3,385	$ 2,865
Weighted-average shares for basic and diluted EPS	1,928	1,954	1,933	1,955