Earnings per Share (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net earnings attributable to Altria	$ 5,764	$ 2,475	$ 4,467
Less: Distributed and undistributed earnings attributable to share-based awards	(13)	(11)	(8)
Earnings (losses) for EPS, basic	5,751	2,464	4,459
Earnings (losses) for EPS, diluted	$ 5,751	$ 2,464	$ 4,459
Weighted-average shares for basic EPS (in shares)	1,804	1,845	1,858
Plus: contingently issuable PSUs (in shares)	0	0	1
Weighted-average shares for diluted EPS (in shares)	1,804	1,845	1,859