Asset Impairment, Exit And Implementation Costs (Pre-Tax Asset Impairment, Exit And Implementation Costs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2012 Smokeable Products [Member]	Sep. 30, 2012 Smokeable Products [Member]	Sep. 30, 2012 Smokeless Products [Member]	Sep. 30, 2012 Smokeless Products [Member]	Sep. 30, 2012 General Corporate [Member]	Sep. 30, 2012 General Corporate [Member]	Sep. 30, 2012 Total Products By Line [Member]	Sep. 30, 2012 Total Products By Line [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Restructuring Exit Costs	$ 0	$ 1	$ 24	$ 8	$ 22	$ 1	$ 1	$ 10	$ 47
Pre-tax Implementation (gain) costs		1	(11)	0	5	0	(1)	1	(7)
Total asset impairment, implementation and restructuring costs		$ 2	$ 13	$ 8	$ 27	$ 1	$ 0	$ 11	$ 40