Investments in Equity Securities (Investment in JUUL Narrative) (Details) - JUUL [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Investments [Line Items]
Investments in equity securities		$ 250
Equity securities without readily determinable fair value, ownership percentage		35.00%
Equity securities, FV-NI, gain (loss)	$ (250)

Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Balance Type:	credit
Period Type:	duration