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Investments in Equity Securities (Earnings from Equity Investments) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | $ (652) | $ (493) | $ 2,201
(Income) losses from investments in equity securities | (652) | (243) | 3,656
ABI [Member] |  |  |
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | (673) | (539) | 1,973
Gain on partial sale of our investment | 165 |  |
Cronos [Member] |  |  |
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | 21 | 46 | 228
JUUL [Member] |  |  |
Investments [Line Items] |  |  |
JUUL | $ 0 | $ 250 | $ 1,455

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