Goodwill and Other Intangible Assets, net (Schedule of Goodwill and Other Intangible Assets by Segment) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill	$ 6,945	$ 6,791	$ 5,177
Other Intangible Assets, net	13,010	13,686	$ 12,384
Smokeable Products Segment [Member]
Goodwill [Line Items]
Goodwill	99	99
Other Intangible Assets, net	2,944	2,963
Oral Tobacco Segment [Member]
Goodwill [Line Items]
Goodwill	5,078	5,078
Other Intangible Assets, net	8,687	9,065
All Other [Member]
Goodwill [Line Items]
Goodwill	1,768	1,614
Other Intangible Assets, net	$ 1,379	$ 1,658