Contingencies (Federal Government's Lawsuit Narrative) (Details) (Federal Government's Lawsuit [Member], USD $)	1 Months Ended	6 Months Ended
	Dec. 31, 2011	Jun. 30, 2012 Health Care Cost Recovery Litigation [Member]
Loss Contingencies [Line Items]
Federal Government Original Complaint Date		1999
Loss contingency, period of occurrence		August 2006
Amount of alleged annual costs health care programs, minimum		$ 20,000,000,000
Amount of disgorgement of profits requested in Federal Government lawsuit		280,000,000,000
Proposed final judgment		14,000,000,000
Fund for five-year national smoking cessation program		10,000,000,000
Fund for ten-year public education and counter-marketing campaign		4,000,000,000
Loss contingency, amount of district court deposit	$ 3,100,000
Loss contingency installment period, years	5