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Segment Reporting (Non-Participating Manufacturer Adjustment Items) (Details) - Non-Participating Manufacturer Arbitration Panel Decision [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
NPM Adjustment to Cost Of Sales And Interest Expense [Member]
Segment Reporting Information [Line Items]
(Gain) loss related to litigation settlement	$ (27)	$ (50)	$ (68)
Operating Segments [Member] | Smokeable Products [Member] | Operating Income (Loss) [Member] | NPM Adjustment to Cost Of Sales [Member] | PM USA [Member]
Segment Reporting Information [Line Items]
(Gain) loss related to litigation settlement	(29)	(29)	(63)
Interest and other debt expense, net [Member] | Interest And Other Debt Expense, Net [Member] | NPM Adjustment To Interest Expense [Member]
Segment Reporting Information [Line Items]
(Gain) loss related to litigation settlement	$ 2	$ (21)	$ (5)

X

- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-48

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