Acquisition of NJOY - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 01, 2023	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill		$ 6,791	$ 5,177	$ 5,177
NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	$ 22
Receivables	7
Inventories	19
Other assets	7
Property, plant and equipment	16
Accounts payable	(7)
Accrued liabilities	(20)
Deferred income taxes	(167)
Total identifiable net assets	1,287
Total consideration	2,901
Goodwill	1,614
Developed Technology Rights [Member] | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets:	1,000
Trademarks | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets:	230
Supplier Agreements [Member] | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets:	$ 180