Contingencies (Scott Class Action Narrative) (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		1 Months Ended		3 Months Ended
	May 30, 2012	Aug. 31, 2011 Smoking And Health Class Actions And Aggregated Claims Litigation [Member]	Jun. 30, 2011 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Louisiana/Scott [Member]	Sep. 30, 2012 Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Louisiana/Scott [Member]	Oct. 31, 2011 Scott Class Action [Member]	Oct. 31, 2011 Maximum [Member] Scott Class Action [Member]	Jun. 30, 2011 Previously Recorded [Member] Smoking And Health Class Actions And Aggregated Claims Litigation [Member] Louisiana/Scott [Member]
Loss Contingencies [Line Items]
Compensatory damages jury award total excluding interest				$ 590,000,000
Share of judgment paid		70,000,000
Loss contingency, attorney fees sought	114,000,000					673,000,000
Loss contingency, attorney costs sought					13,000,000
Loss contingency, damages recorded			36,000,000				30,000,000
Loss contingency, interest accrued			$ 5,000,000
Defendants waiver of right to refund percentage	50.00%