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Investments in Equity Securities (Investment in Cronos Narrative) (Details) - Cronos [Member] $ / shares in Units, shares in Thousands, $ in Millions, $ in Billions |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 24, 2022 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2022 CAD ($) | Sep. 30, 2022 USD ($) shares | Sep. 30, 2022 $ / shares | Dec. 31, 2021 USD ($)
Investments [Line Items] |  |  |  |  |  |
Ownership percentage |  |  |  | 41.40% |  |
Number of ordinary shares owned (approximately) (in shares) | shares |  |  |  | 156,600 |  |
Fair value of equity investment |  | $ 437 |  |  |  | $ 617
Equity method investments |  | 437 |  |  |  |
Impairment of JUUL equity securities |  | $ 107 |  |  |  |
Equity method investment, difference between carrying amount and fair value, percentage (approximately) |  | (20.00%) |  | 5.00% |  |
Equity method investment, difference between carrying amount and fair value |  |  |  | $ 22 |  |
Equity Contract, Preemptive Rights [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investment, shares purchased, (CAD per share) | $ / shares |  |  |  |  | $ 16.25 |
Equity method investment, number of shares eligible for purchase (approximately) (in shares) | shares |  |  |  | 8,000 |  |
Equity method investment, aggregate exercise price |  |  | $ 0.1 |  |  |
Equity Contract, Preemptive Rights [Member] | Subsequent Event [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investment, aggregate exercise price | $ 100 |  |  |  |  |
Equity Contract, Warrant [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investment, shares purchased, (CAD per share) | $ / shares |  |  |  |  | $ 19.00 |
Equity method investment, number of shares eligible for purchase (approximately) (in shares) | shares |  |  |  | 84,000 |  |
Equity method investment, percentage of shares eligible for purchase (approximately) |  |  |  | 10.00% |  |
Equity method investment, aggregate exercise price |  |  | $ 1.6 |  |  |
Equity Contract, Warrant [Member] | Subsequent Event [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investment, aggregate exercise price | $ 1,200 |  |  |  |  |
Equity Contract, Warrant And Equity Contract, Preemptive Rights [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investment, warrant exercised, ownership percentage |  |  | 52.00% |  |  |
Common Stock [Member] |  |  |  |  |  |
Investments [Line Items] |  |  |  |  |  |
Equity method investments |  |  |  | $ 415 |  | $ 617

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