Contingencies (Medical Monitoring Class Actions Narrative) (Details) - PM USA [Member] $ in Millions	1 Months Ended
	Dec. 31, 2006 USD ($)	Mar. 31, 2016 case
Medical Monitoring Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | case		1
Medical Monitoring Class Action, Donovan [Member]
Loss Contingencies [Line Items]
Damages sought, value | $	$ 190