Contingencies (Health Care Cost Recovery Litigation Narrative) (Details) (State Settlements Agreements [Member], Health Care Cost Recovery Actions [Member], USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Loss Contingencies [Line Items]
Loss contingency, period of occurrence			November 1998
State Settlement Agreements annual payments			$ 9,400,000,000
State Settlement Agreements attorney fees annual cap			500,000,000
Fair And Equitable Tobacco Reform Act Of 2004 [Member]
Loss Contingencies [Line Items]
Aggregate amount recorded in cost of sales related to State Settlement Agreements and FETRA	$ 1,200,000,000	$ 1,200,000,000	$ 3,600,000,000	$ 3,600,000,000