Other Comprehensive Earnings/Losses (Reclassifications) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss	$ 187		$ 340		$ 281
Prior service cost/credit	(33)		(35)		(35)
Earnings (loss) before income taxes	7,774		6,942		6,477
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) before income taxes	213		317		244
Reclassification out of Accumulated Other Comprehensive Income [Member] | SABMiller Plc [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) before income taxes	59	[1]	6	[1]	3	[1]
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	187	[2]	346	[2]	302	[2]
Prior service cost/credit	(33)	[2]	(35)	[2]	(61)	[2]
Earnings (loss) before income taxes	$ 154	[2]	$ 311	[2]	$ 241	[2]

[1] Amounts are included in earnings from equity investment in SABMiller. For further information on Altria Group, Inc.’s equity investment in SABMiller, see Note 6. Investment in SABMiller.

[2] Amounts are included in net defined benefit plan costs. For further details, see Note 16. Benefit Plans.