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Acquisition of NJOY - Summary of Costs Incurred (Details) - NJOY Holdings, Inc. [Member] - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Business Acquisition [Line Items] |  |
Business combination, acquisition related costs | $ 176 | $ 72
Marketing Administration And Research Costs [Member] | Change in fair value of contingent payments [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, acquisition related costs | 140 | 0
Marketing Administration And Research Costs [Member] | Other Costs [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, acquisition related costs | 36 | 63
Interest And Other Debt Expense, Net [Member] | Financing Fees [Member] |  |
Business Acquisition [Line Items] |  |
Business combination, acquisition related costs | $ 0 | $ 9

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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