Goodwill and Other Intangible Assets, net (Schedule of Goodwill and Other Intangible Assets by Segment) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 6,791	$ 5,177	$ 5,177
Other Intangible Assets, net	13,727	12,384	$ 12,306
Smokeable Products Segment [Member]
Goodwill [Line Items]
Goodwill	99	99
Other Intangible Assets, net	2,970	2,989
Oral Tobacco Segment [Member]
Goodwill [Line Items]
Goodwill	5,078	5,078
Other Intangible Assets, net	9,073	9,097
All Other [Member]
Goodwill [Line Items]
Goodwill	1,614	0
Other Intangible Assets, net	$ 1,684	$ 298