Investments in Equity Securities (Investment in JUUL Narrative) (Details) - JUUL [Member] - USD ($) shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Jun. 30, 2022	Apr. 30, 2020	Jan. 31, 2020
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity securities without readily determinable fair value	$ 12,800
Equity securities, ownership percentage	35.00%					35.00%
Investment owned, balance, percentage		35.00%		35.00%
Investment owned, balance, shares (in shares)		42		42
Equity securities without readily determinable fair value, non-compete release trigger percentage of investment carrying value							10.00%
Equity securities without readily determinable fair value, quantitative assessment adjustment, annual amount	$ 12,800
Equity securities without readily determinable fair value, amount					$ 450
Equity securities, unrealized gain (loss)		$ (100)	$ 100	$ (1,355)