Contingencies (Other Litigation Matters Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	Apr. 30, 2014	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Loss Contingencies [Line Items]
Litigation settlement, amount		$ 26		$ 90
Lights Ultra Lights Class Actions [Member] | Illinois Price [Member]
Loss Contingencies [Line Items]
Loss contingency, period of occurrence			March 2003
Loss Contingency, Date of Dismissal			Dec. 31, 2006
Lights Ultra Lights Class Actions [Member] | Lights Ultra Lights Class Actions [Member] | Illinois Price [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Compensatory Damages			$ 7,100
Loss Contingency, Damages Awarded, Punitive Damages			$ 3,000
Aggregate Award Reinstated	$ 10,100