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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | $ 2,186 | $ 5,979 | $ 211
(Income) losses from investments in equity securities | 3,641 | 5,979 | 111
ABI [Member] |  |  |
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | 1,973 | 5,564 | 223
Cronos [Member] |  |  |
Investments [Line Items] |  |  |
(Income) losses from investments in equity securities | 213 | 415 | (12)
JUUL [Member] |  |  |
Investments [Line Items] |  |  |
JUUL | $ 1,455 | $ 0 | $ (100)

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- Definition 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). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117546-209714 + Details
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