Other Comprehensive Earnings/Losses (Reclassifications) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Other Comprehensive Earnings Losses By Component [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	$ (1,964)		$ (1,807)		$ (4,111)		$ (3,676)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Other Comprehensive Earnings Losses By Component [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	80		57		157		98
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Other Comprehensive Earnings Losses By Component [Line Items]
Net Loss	86	[1]	75	[1]	173	[1]	146	[1]
Prior service cost/credit	(9)	[1]	(10)	[1]	(17)	[1]	(44)	[1]
(Loss) earnings before income taxes and equity earnings of subsidiaries	77	[1]	65	[1]	156	[1]	102	[1]
SABMiller [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Other Comprehensive Earnings Losses By Component [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	$ 3	[2]	$ (8)	[2]	$ 1	[2]	$ (4)	[2]

[1] (a) Amounts are included in net defined benefit plan costs. For further details, see Note 3. Benefit Plans.

[2] (b) Amounts are included in earnings from equity investment in SABMiller. For further information on Altria Group, Inc.’s equity investment in SABMiller, see Note 4. Earnings from Equity Investment in SABMiller.