Asset Impairment, Exit And Implementation Costs (Pre-Tax Asset Impairment, Exit And Implementation Costs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Smokeable Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Restructuring Exit Costs	$ 16	$ 23
Pre-tax Implementation (gain) costs	9	(12)
Total asset impairment, implementation and restructuring costs	25	11
Smokeless Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Restructuring Exit Costs	0	14
Pre-tax Implementation (gain) costs	0	5
Total asset impairment, implementation and restructuring costs	0	19
General Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Restructuring Exit Costs	0	0
Pre-tax Implementation (gain) costs	0	(1)
Total asset impairment, implementation and restructuring costs	0	(1)
Total Products By Line [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment And Restructuring Exit Costs	16	37
Pre-tax Implementation (gain) costs	9	(8)
Total asset impairment, implementation and restructuring costs	$ 25	$ 29