Investments in Equity Securities (Investment in JUUL Narrative) (Details) - JUUL [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Apr. 30, 2020
Investments [Line Items]
Payments to acquire equity securities without readily determinable fair value	$ 12,800
Equity securities without readily determinable fair value, ownership percentage	35.00%				35.00%
Non-compete release trigger percentage of initial investment carrying value	10.00%
Equity securities, FV-NI, gain (loss)		$ (250)	$ (1,455)	$ 0
Equity securities, FV-NI, unrealized gain (loss)			$ (1,455)