Investments in Equity Securities (Earnings in Equity Securities) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Equity Method Investments [Line Items]
(Income) losses from investments under equity method of accounting	$ 2,378	$ 6,015	$ 2,352	$ 5,789
(Income) losses from investments in equity securities	2,478	5,915	3,707	5,789
ABI [Member]
Schedule of Equity Method Investments [Line Items]
(Income) losses from investments under equity method of accounting	2,367	6,036	2,155	5,644
Cronos [Member]
Schedule of Equity Method Investments [Line Items]
(Income) losses from investments under equity method of accounting	11	(21)	197	145
JUUL [Member]
Schedule of Equity Method Investments [Line Items]
(Income) losses from investments in equity securities	$ 100	$ (100)	$ 1,355	$ 0