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
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs	$ 0	$ 10	$ 1	$ 47
2011 Cost Reduction Program [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs		10		47
Implementation (Gain) Costs		1		(7)
Restructuring Charge and Implemetation Cost (Credit)		11		40
2011 Cost Reduction Program [Member] | Smokeable Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs		1		24
Implementation (Gain) Costs		1		(11)
Restructuring Charge and Implemetation Cost (Credit)		2		13
2011 Cost Reduction Program [Member] | Smokeless Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs		8		22
Implementation (Gain) Costs		0		5
Restructuring Charge and Implemetation Cost (Credit)		8		27
2011 Cost Reduction Program [Member] | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs		1		1
Implementation (Gain) Costs		0		(1)
Restructuring Charge and Implemetation Cost (Credit)		$ 1		$ 0