Contingencies (Appeals of Engle Progeny Judgments, Maryland and Only Liggett Cases) (Details) - case	1 Months Ended
	Mar. 31, 2012	Dec. 31, 2016
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 (in cases)		35
Liggett
Loss Contingencies [Line Items]
Cases pending (in cases)		3
Liggett | Individual Actions Cases
Loss Contingencies [Line Items]
Pending claims with no activity		2
Maryland | Synergy Exposure Cases
Loss Contingencies [Line Items]
Cases pending (in cases)		20
Maryland | Liggett | Individual Actions Cases
Loss Contingencies [Line Items]
Cases pending (in cases)		16