Consolidated Statements of Comprehensive Earnings (Losses) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings (losses)	$ 4,454	$ (1,298)	$ 6,967
Other comprehensive earnings (losses), net of deferred income taxes:
Benefit plans	(228)	(24)	68
ABI	(1,245)	(319)	(309)
Currency translation adjustments and other	(4)	26	(1)
Other comprehensive earnings (losses), net of deferred income taxes	(1,477)	(317)	(242)
Comprehensive earnings (losses)	2,977	(1,615)	6,725
Comprehensive (earnings) losses attributable to noncontrolling interests	13	5	(4)
Comprehensive earnings (losses) attributable to Altria	$ 2,990	$ (1,610)	$ 6,721

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