Asset Impairment, Exit And Implementation Costs (Pre-Tax Asset Impairment, Exit And Implementation Costs) (Details) (2011 Cost Reduction Program [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Smokeable Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs	$ 7
Implementation (Gain) Costs	(21)
Total	(14)
Smokeless Products [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs	14
Implementation (Gain) Costs	5
Total	19
General Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Implementation (Gain) Costs	(1)
Total	(1)
Total Products By Line [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment and Exit Costs	21
Implementation (Gain) Costs	(17)
Total	$ 4