Goodwill and Other Intangible Assets, net (Schedule of Goodwill and Intangible Assets by Segment) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 6,791	$ 5,177	$ 5,177
Other Intangible Assets, net	13,686	12,384	$ 12,306
Smokeable Products [Member]
Goodwill [Line Items]
Goodwill	99	99
Other Intangible Assets, net	2,963	2,989
Oral Tobacco Products [Member]
Goodwill [Line Items]
Goodwill	5,078	5,078
Other Intangible Assets, net	9,065	9,097
Other [Member]
Goodwill [Line Items]
Goodwill	1,614	0
Other Intangible Assets, net	$ 1,658	$ 298