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Investments in Equity Securities (Summary of Investments) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Investments [Line Items]
Investments	$ 8,385	$ 8,195
ABI [Member]
Investments [Line Items]
ABI	8,071	7,880
Cronos [Member]
Investments [Line Items]
Cronos	$ 314	$ 315

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Equity Method Investments, Including Fixed-Price Preemptive Rights

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Sum of the carrying amounts as of the balance sheet date of all investments.

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