Investments in Equity Securities (Earnings from Equity Investments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments [Line Items]
(Income) losses from investments in equity securities	$ 2,186	$ 5,979	$ 211
(Income) losses from investments in equity securities	3,641	5,979	111
ABI [Member]
Investments [Line Items]
(Income) losses from investments in equity securities	1,973	5,564	223
Cronos [Member]
Investments [Line Items]
(Income) losses from investments in equity securities	213	415	(12)
JUUL [Member]
Investments [Line Items]
JUUL	$ 1,455	$ 0	$ (100)