Other Comprehensive Earnings/Losses (Reclassifications) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) before income taxes	$ (1,806)		$ (2,147)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) before income taxes	44		77
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	49	[1]	87	[1]
Prior service cost/credit	(8)	[1]	(8)	[1]
Earnings (loss) before income taxes	41	[1]	79	[1]
SABMiller Plc [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) before income taxes	$ 3	[2]	$ (2)	[2]

[1] Amounts are included in net defined benefit plan costs. For further details, see Note 2. 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 3. Earnings from Equity Investment in SABMiller.