Background And Basis Of Presentation (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	6 Months Ended		12 Months Ended	1 Months Ended		3 Months Ended	18 Months Ended	1 Months Ended	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Oct. 31, 2012 Altria Group Inc October Two Thousand And Eleven [Member]	Oct. 31, 2011 Altria Group Inc October Two Thousand And Eleven [Member]	Mar. 31, 2013 Altria Group Inc October Two Thousand And Eleven [Member]	Mar. 31, 2013 Altria Group Inc October Two Thousand And Eleven [Member]	Apr. 30, 2013 Altria Group Inc April Two Thousand And Thirteen [Member]	Jun. 30, 2013 Altria Group Inc April Two Thousand And Thirteen [Member]
Entity Information [Line Items]
Equity method investment, ownership percentage	26.80%
Planned share repurchase program					$ 1,000,000,000			$ 300,000,000
Repurchase Program Expected Completion Date								Dec. 31, 2013
Common Stock Repurchase Expanded Amount Authorized				1,500,000,000
Shares repurchased during period	5.4	11.9				1.7	48.3		3.7
Shares repurchased during period, value	$ 192,000,000	$ 360,000,000	$ 1,116,000,000			$ 57,000,000			$ 135,000,000
Average price of repurchased shares, per share	$ 35.58	$ 30.16				$ 34.05	$ 31.06		$ 36.27