Contingencies (Antitrust Litigation and Shareholder Class Action and Shareholder Derivative Lawsuits) (Details) $ in Millions	1 Months Ended						3 Months Ended	6 Months Ended	7 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2022 claim	Jan. 31, 2022 USD ($)	Apr. 30, 2021 claim	Aug. 31, 2020 shareholder	Dec. 31, 2019 shareholder	Oct. 31, 2019 shareholder	Dec. 31, 2021 USD ($)	Mar. 31, 2021 shareholder	Jan. 31, 2022 claim	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 31, 2021 shareholder	Oct. 24, 2022 lawsuit	Nov. 30, 2020 complaint	Apr. 30, 2020	Jan. 31, 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	2
Litigation settlement							$ 90
Loss contingency accrual, provision											$ 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
Federal And State Shareholder Derivative Lawsuits [Member]
Loss Contingencies [Line Items]
Loss contingency accrual, provision										$ 27
JUUL [Member]
Loss Contingencies [Line Items]
Equity securities, ownership percentage															35.00%		35.00%
Equity securities without readily determinable fair value, non-compete release trigger percentage of investment carrying value																10.00%
Subsequent Event [Member]
Loss Contingencies [Line Items]
Loss contingency, class action lawsuit | lawsuit													17