Contingencies (Antitrust Litigation and Shareholder Class Action and Shareholder Derivative Lawsuits) (Details)	1 Months Ended		3 Months Ended		6 Months Ended	12 Months Ended
	Apr. 30, 2021 claim	Aug. 31, 2020 shareholder	Sep. 30, 2021 claim	Dec. 31, 2019 shareholder	Mar. 31, 2021 shareholder	Aug. 31, 2021 shareholder	Oct. 25, 2021 lawsuit	Nov. 30, 2020 complaint	Apr. 30, 2020	Dec. 31, 2018
Loss Contingencies [Line Items]
Loss contingency, number of complaints | complaint								3
Loss contingency, number of shareholders filing class action lawsuits | shareholder		2		2
Loss contingency, number of pending cases consolidated | claim	5
Loss contingency, number of shareholders filing derivative lawsuits | shareholder					3	6
Loss contingency, number of consolidated derivative lawsuits | claim			4
JUUL [Member]
Loss Contingencies [Line Items]
Equity securities, ownership percentage			35.00%						35.00%	35.00%
Subsequent Event [Member]
Loss Contingencies [Line Items]
Loss contingency, class action lawsuit | lawsuit							16