Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net earnings attributable to Altria	$ 1,996	$ 1,876	$ 3,116	$ 3,770
Less: Distributed and undistributed earnings attributable to share-based awards	(2)	(3)	(4)	(5)
Earnings for basic and diluted EPS	$ 1,994	$ 1,873	$ 3,112	$ 3,765
Weighted-average shares for basic and diluted EPS (in shares)	1,870	1,891	1,872	1,895