Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Net earnings attributable to Altria Group, Inc.	$ 10,276	$ 1,093	$ 1,653	$ 1,217	$ 1,247	$ 1,528	$ 1,448	$ 1,018	$ 14,239	$ 5,241	$ 5,070
Less: Distributed and undistributed earnings attributable to unvested restricted shares and restricted stock units									(24)	(10)	(12)
Earnings for basic and diluted EPS									$ 14,215	$ 5,231	$ 5,058
Weighted-average shares for basic and diluted EPS									1,952	1,961	1,978