Other Comprehensive Earnings/Losses (Reclassifications) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	$ (2,118)		$ (1,043)		$ (6,229)		$ (4,719)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	75		68		232		166
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Loss	82	[1]	66	[1]	255	[1]	212	[1]
Prior service cost/credit	(8)	[1]	(6)	[1]	(25)	[1]	(50)	[1]
(Loss) earnings before income taxes and equity earnings of subsidiaries	74	[1]	60	[1]	230	[1]	162	[1]
SABMiller [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Loss) earnings before income taxes and equity earnings of subsidiaries	$ 1	[2]	$ 8	[2]	$ 2	[2]	$ 4	[2]

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

[2] 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.