Contingencies (Other Litigation Matters) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Florida/Barbanell [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence	August 2009
Florida/Hess [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence	February 2009
Lights/Ultra Lights Class Actions [Member] | Illinois Price [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence	March 2003
Compensatory damages jury award total	7,100,000,000
Punitive damages jury award total all defendants	3,000,000,000
Loss contingency, reversal of judgment date	December 2005
Loss Contingency, Date of Dismissal	Dec. 31, 2006