Contingencies (Federal Government's Lawsuit Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Loss Contingencies [Line Items]
Loss Contingency Accrual, Provision	$ 43,000,000	$ 4,000,000
Federal Governments Lawsuit [Member] | Health Care Cost Recovery Litigation [Member]
Loss Contingencies [Line Items]
Federal Government Original Complaint Date	1999
Loss contingency, period of occurrence	August 2006
Loss Contingency Accrual, Provision			31,000,000
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
Government Proposed Final Judgment Date	June 2005
Loss Contingency, Damages Sought, Value	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
Document Repository Agreement date	December 2011
Loss contingency, amount of district court deposit	$ 3,100,000
Loss contingency installment period, years	5