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Investments in Equity Securities (Investment in ABI Narrative) (Details) - ABI [Member] - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |  |
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Jun. 30, 2022 | Dec. 31, 2021
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage | 10.00% |  | 10.00% |  |  |
Number of restricted shares owned (in shares) | 185 |  | 185 |  |  |
Number of ordinary shares owned (in shares) | 12 |  | 12 |  |  |
Restricted shares, lock-up period |  |  | 5 years |  |  |
Equity method investments | $ 9,048 |  | $ 9,048 |  |  | $ 11,144
Impairment of JUUL equity securities | 2,500 |  | 2,500 |  |  |
Equity method investment, impairment |  | $ 6,200 |  | $ 6,200 |  |
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair value of equity investment | 9,000 |  | 9,000 |  |  | 11,900
Equity method investments |  |  |  |  |  | 11,100
Equity method investment, difference between carrying amount and fair value | $ (2,500) | $ (6,200) | $ (2,500) | $ (6,200) | $ (1,100) | $ 800
Equity method investment, difference between carrying amount and fair value, percentage (approximately) | (22.00%) |  | (22.00%) |  | (9.00%) | 7.00%

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