Acquisition of NJOY - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 01, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill		$ 6,945	$ 6,791	$ 5,177
NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	$ 22	22
Receivables	7	7
Inventories	19	19
Other assets	7	7
Property, plant and equipment	16	16
Accounts payable	(7)	(7)
Accrued liabilities	(20)	(20)
Deferred income taxes	(167)	(101)
Measurement Period Adjustments, Deferred income taxes		66
Total identifiable net assets	1,287	1,133
Measurement Period Adjustments, Net assets		(154)
Total consideration	2,901
Goodwill	1,614	1,768
Goodwill, purchase accounting adjustments		154
Developed Technology Rights [Member] | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets	1,000	1,000
Trademarks [Member] | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets	230	190
Measurement Period Adjustments, Intangibles		(40)
Supplier Agreements [Member] | NJOY Holdings, Inc. [Member]
Business Acquisition [Line Items]
Other intangible assets	$ 180	0
Measurement Period Adjustments, Intangibles		$ (180)