Contingencies (Engle Progeny Cases and Settlements) (Details)		1 Months Ended			6 Months Ended
	Nov. 21, 1996 USD ($)	Dec. 31, 2016 USD ($) case	Feb. 28, 2015	Oct. 31, 2013 USD ($) case	Jun. 30, 2020 USD ($) case	Sep. 30, 2020 case
Engle Progeny Cases
Loss Contingencies [Line Items]
Amount of litigation settlement awarded to other party	$ 145,000,000,000
Individual Actions Cases
Loss Contingencies [Line Items]
Cases pending | case						70
Liggett
Loss Contingencies [Line Items]
Cases pending | case						2
Liggett | Engle Progeny Cases
Loss Contingencies [Line Items]
Cases settled | case		152		4,900
Amount of litigation settlement awarded to other party	$ 790,000,000	$ 23,150,000		$ 110,000,000
Litigation settlement amount paid in lump sum				61,600,000
Litigation settlement amount paid in installment payments				48,000,000
Litigation settlement, installment term			14 years
Litigation settlement amount of estimated future payments per annum				$ 3,400,000
Payments for legal settlements					$ 8,100,000
Liggett and Vector Tobacco | Engle Progeny Cases
Loss Contingencies [Line Items]
Cases settled | case					201
Cases pending | case						42