Contingencies (Federal Government's Lawsuit Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Loss contingency, amount of district court deposit			$ 57.0	$ 8.0	$ 19.0
Federal Governments Lawsuit [Member]
Loss Contingencies [Line Items]
Amount of alleged annual costs health care programs, minimum			20,000.0
Damages sought, value			280,000.0
Federal Governments Lawsuit [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Loss contingency, amount of district court deposit	$ 3.1
Loss contingency installment period, years	5 years
Implementation of Corrective Communications [Member]
Loss Contingencies [Line Items]
Provision related to litigation recorded			$ 0.0	$ 31.0	$ 0.0
Implementation of Corrective Communications [Member] | Federal Governments Lawsuit [Member]
Loss Contingencies [Line Items]
Provision related to litigation recorded		$ 31.0
Implementation of Corrective Communications [Member] | Federal Governments Lawsuit [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Provision related to litigation recorded		$ 31.0