Acquisition of NJOY - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 01, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Goodwill		$ 5,787	$ 6,945	$ 6,791
NJOY Holdings, Inc. [Member]
Business Combination [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			(101)
Total identifiable net assets			1,133
Total consideration	$ 2,901
Goodwill			1,768
Developed Technology Rights [Member] | NJOY Holdings, Inc. [Member]
Business Combination [Line Items]
Other intangible assets			1,000
Trademarks [Member] | NJOY Holdings, Inc. [Member]
Business Combination [Line Items]
Other intangible assets			$ 190