Contingencies (Antitrust Litigation and Shareholder Class Action and Shareholder Derivative Lawsuits) (Details) $ in Millions	1 Months Ended					3 Months Ended		6 Months Ended	12 Months Ended
	Feb. 28, 2022 claim	Jan. 31, 2022 USD ($)	Jul. 31, 2021 claim	Apr. 30, 2021 claim	Aug. 31, 2020 shareholder	Dec. 31, 2021 USD ($)	Dec. 31, 2019 shareholder	Mar. 31, 2021 shareholder	Dec. 31, 2021 USD ($)	Aug. 31, 2021 shareholder	Apr. 25, 2022 lawsuit	Mar. 31, 2022	Nov. 30, 2020 complaint	Apr. 30, 2020	Dec. 31, 2018
Loss Contingencies [Line Items]
Loss contingency, number of complaints | complaint													3
Number of plaintiffs | claim	4
Loss contingency, number of shareholders filing class action lawsuits | shareholder					2		2
Litigation settlement						$ 90
Provision related to litigation recorded									$ 90
Payments for Legal Settlements		$ 90
Loss contingency, number of pending cases consolidated | claim			5	5
Loss contingency, number of shareholders filing derivative lawsuits | shareholder								3		6
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											17