Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Data [Abstract]
Net revenues	$ 6,318	$ 6,699	$ 6,613	$ 5,804	$ 6,258	$ 6,491	$ 6,256	$ 5,517	$ 25,434	$ 24,522	$ 24,466
Gross profit	2,722	3,046	2,871	2,475	2,627	2,674	2,603	2,256	11,114	10,160	10,457
Net earnings	1,248	1,528	1,449	1,018	1,236	1,397	1,262	1,175	5,243	5,070	4,535
Net earnings attributable to Altria Group, Inc.	$ 1,247	$ 1,528	$ 1,448	$ 1,018	$ 1,236	$ 1,397	$ 1,262	$ 1,175	$ 5,241	$ 5,070	$ 4,535
Basic and diluted EPS attributable to Altria Group, Inc. (usd per share)	$ 0.64	$ 0.78	$ 0.74	$ 0.52	$ 0.63	$ 0.71	$ 0.64	$ 0.59	$ 2.67	$ 2.56	$ 2.26