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, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs	$ 1	$ 16	$ 1	$ 37
Total Products By Line [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs		16		37
Pre-Tax Implementation (Gain) Costs		9		(8)
Total asset impairment, implementation and restructuring costs		25		29
Smokeless Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs		0		14
Pre-Tax Implementation (Gain) Costs		0		5
Total asset impairment, implementation and restructuring costs		0		19
Smokeable Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs		16		23
Pre-Tax Implementation (Gain) Costs		9		(12)
Total asset impairment, implementation and restructuring costs		25		11
General Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs		0		0
Pre-Tax Implementation (Gain) Costs		0		(1)
Total asset impairment, implementation and restructuring costs		$ 0		$ (1)