Other Comprehensive Earnings/Losses (Changes in Each Component of Accumulated Other Comprehensive Losses) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013
Accumulated Other Comprehensive Income [Roll Forward]
Balances at beginning of period	$ (1,318)		$ (2,068)		$ (1,378)		$ (2,040)		$ (2,040)
Other comprehensive earnings (losses) before reclassifications	100		(477)		151		(590)
Deferred income taxes	(35)		166		(53)		203
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes	65		(311)		98		(387)
Amounts reclassified to earnings	39		80		83		157
Deferred income taxes	(15)		(31)		(32)		(60)
Amounts reclassified to net earnings, net of deferred income taxes	24		49		51		97
Other comprehensive earnings (losses), net of deferred income taxes	89		(262)		149		(290)		662
Balances at end of period	(1,229)		(2,330)		(1,229)		(2,330)		(1,378)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balances at beginning of period	0		2		0		2		2
Other comprehensive earnings (losses) before reclassifications	1		(1)		1		(1)
Deferred income taxes	0		0		0		0
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes	1		(1)		1		(1)
Amounts reclassified to earnings	0		0		0		0
Deferred income taxes	0		0		0		0
Amounts reclassified to net earnings, net of deferred income taxes	0		0		0		0
Other comprehensive earnings (losses), net of deferred income taxes	1		(1)		1		(1)
Balances at end of period	1		1		1		1
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balances at beginning of period	(1,248)		(2,348)		(1,273)		(2,414)		(2,414)
Other comprehensive earnings (losses) before reclassifications	0		0		0		30
Deferred income taxes	0		0		0		(13)
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes	0		0		0		17
Amounts reclassified to earnings	39		77		80		156
Deferred income taxes	(15)		(30)		(31)		(60)
Amounts reclassified to net earnings, net of deferred income taxes	24		47		49		96
Other comprehensive earnings (losses), net of deferred income taxes	24		47		49		113
Balances at end of period	(1,224)		(2,301)		(1,224)		(2,301)
SABMiller Plc [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balances at beginning of period	(70)		278		(105)		372		372
Other comprehensive earnings (losses) before reclassifications	99		(476)		150		(619)
Deferred income taxes	(35)		166		(53)		216
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes	64		(310)		97		(403)
Amounts reclassified to earnings	0		3		3		1
Deferred income taxes	0		(1)		(1)		0
Amounts reclassified to net earnings, net of deferred income taxes	0		2		2		1
Other comprehensive earnings (losses), net of deferred income taxes	64	[1]	(308)	[1]	99	[1]	(402)	[1]
Balances at end of period	$ (6)		$ (30)		$ (6)		$ (30)

[1] For the six and three months ended June 30, 2014 and 2013, Altria Group, Inc.’s proportionate share of SABMiller’s other comprehensive earnings/losses consisted primarily of currency translation adjustments.