Acquisitions, Research Collaborations and Licensing Agreements - Schedule of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Jul. 09, 2024 |
Dec. 31, 2023 |
|---|---|---|---|---|
| Business Combination [Line Items] | ||||
| Goodwill | $ 21,579 | $ 21,668 | $ 21,197 | |
| Elanco Animal Health Incorporated Aqua Business | ||||
| Business Combination [Line Items] | ||||
| Inventories | $ 65 | |||
| Property, plant and equipment | 66 | |||
| Deferred tax asset | 106 | |||
| Other assets and liabilities, net | 23 | |||
| Total identifiable net assets | 891 | |||
| Goodwill | 412 | |||
| Consideration transferred | $ 1,303 | |||
| Discount rate | 8.50% | |||
| Elanco Animal Health Incorporated Aqua Business | Product Rights | ||||
| Business Combination [Line Items] | ||||
| Product rights and other | $ 340 | |||
| Estimated useful life of intangible assets | 15 years | |||
| Elanco Animal Health Incorporated Aqua Business | Other Product Rights | ||||
| Business Combination [Line Items] | ||||
| Product rights and other | $ 291 | |||
| Estimated useful life of intangible assets | 15 years |
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- Definition Business Combination, Discount Rate No definition available.
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- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other, Net No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax asset acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of identifiable finite-lived intangible asset acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of inventory acquired in business combination and recognized at acquisition date, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset acquired in excess of (less than) liability assumed in business combination and recognized at acquisition date. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of property, plant, and equipment acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset acquired in excess of (less than) liability assumed plus goodwill in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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