Income Taxes (Schedule of Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred income tax assets:
Accrued postretirement and postemployment benefits	$ 264	$ 270
Settlement charges	520	585
Research and development costs	14	112
Net operating losses and tax credit carryforwards	146	224
Total deferred income tax assets	1,644	1,802
Deferred income tax liabilities:
Property, plant and equipment	(231)	(235)
Intangible assets	(2,747)	(3,032)
Investment in ABI	(1,085)	(1,370)
Accrued pension costs	(126)	(108)
Other	(35)	(133)
Total deferred income tax liabilities	(4,224)	(4,878)
Valuation allowances	(779)	(668)	$ (2,256)	$ (2,800)
Net deferred income tax liabilities	(3,359)	(3,744)
JUUL [Member]
Deferred income tax assets:
JUUL-related losses	290	207
Deferred income tax liabilities:
Valuation allowances	(290)	(207)
Cronos Group Inc. [Member]
Deferred income tax assets:
Investment in Cronos	410	404
Deferred income tax liabilities:
Valuation allowances	$ (405)	$ (402)	$ (397)