Contingencies (Appeals of Engle Progeny Judgments, Maryland and Only Liggett Cases) (Details) - case	1 Months Ended
	Mar. 31, 2012	Sep. 30, 2017
Engle Progeny Cases
Loss Contingencies [Line Items]
Number of cases declined for review by supreme court	2
Individual Actions Cases
Loss Contingencies [Line Items]
Cases pending		17
Liggett
Loss Contingencies [Line Items]
Cases pending		2
Maryland | Liggett | Individual Actions Cases
Loss Contingencies [Line Items]
Cases pending		16