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Investments in Equity Securities (Investment in JUUL Narrative) (Details) - USD ($) shares in Millions | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2022 | Jun. 30, 2022 | Apr. 30, 2020 | Jan. 31, 2020
Investments [Line Items] |  |  |  |  |  |  |  |
Equity securities without readily determinable fair value, upward price adjustment |  |  |  | $ 0 |  |  |  |
Equity securities without readily determinable fair value, downward price adjustment, cumulative amount |  |  |  | 0 |  |  |  |
Impairment of JUUL equity securities |  | $ 0 | $ 0 | 2,600,000,000 |  |  |  |
JUUL [Member] |  |  |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |  |  |
Payments to acquire equity securities without readily determinable fair value | $ 12,800,000,000 |  |  |  |  |  |  |
Equity securities without readily determinable fair value, ownership percentage | 35.00% |  |  |  |  |  | 35.00% |
Investment owned, balance, percentage | 35.00% | 35.00% |  |  |  |  |  |
Investment owned, balance, shares (in shares) |  | 42 |  |  |  |  |  |
Non-compete release trigger percentage of initial investment carrying value |  |  |  |  | 10.00% |  |  | 10.00%
Equity securities without readily determinable fair value, quantitative assessment adjustment, annual amount | $ 12,800,000,000 |  |  |  |  |  |  |
Equity securities without readily determinable fair value, amount |  |  |  |  |  | $ 450,000,000 |  |
Equity securities, FV-NI, unrealized gain (loss) |  | $ (1,455,000,000) |  | 100,000,000 |  |  |  |
Estimated fair value of JUUL |  |  | $ 0 |  |  |  |  |
Impairment of JUUL equity securities |  |  |  | $ 2,600,000,000 |  |  |  |

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