Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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Financial Instruments (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
Financial Instruments (Narrative) (Details) $ in Millions	Sep. 30, 2026 USD ($) contract	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) contract	Sep. 30, 2025 USD ($)	Dec. 31, 2025 contract	Jun. 01, 2023 USD ($)
Derivative [Line Items]
Number of foreign currency derivatives held \| contract	0		0		0
Revolving Credit Facility [Member] \| Line Of Credit Arrangement, Contract Manufacturing Customer [Member] \| Line of Credit [Member]
Derivative [Line Items]
Credit line available under the agreement	$ 300		$ 300
Long-Term Line of Credit	0		0
NJOY Holdings, Inc. [Member]
Derivative [Line Items]
Business combination, contingent consideration arrangements, range of outcomes, value, high						$ 500
NJOY Holdings, Inc. [Member] \| Menthol Pod [Member]
Derivative [Line Items]
Business combination, contingent consideration arrangements, range of outcomes, value, high						250
NJOY Holdings, Inc. [Member] \| Blueberry Pod [Member]
Derivative [Line Items]
Business combination, contingent consideration arrangements, range of outcomes, value, high						125
NJOY Holdings, Inc. [Member] \| Watermelon Pod [Member]
Derivative [Line Items]
Business combination, contingent consideration arrangements, range of outcomes, value, high						$ 125
Foreign Currency Denominated Debt [Member] \| Net Investment Hedging [Member]
Derivative [Line Items]
(Gains) losses of our net investment hedges	$ (20)	$ (12)	$ (93)	$ 391