Acquisitions, Divestitures, Equity-Method Investments, Collaborative Arrangements, Research and Development Arrangements and In-Licensing Arrangements - Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions (Details) - USD ($) $ in Millions |
12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Alliance revenues | $ 9,266 | $ 8,388 | $ 7,582 | ||||||||||||||||||
| Total revenues | [1] | 62,579 | 63,627 | 59,553 | |||||||||||||||||
| Cost of sales | [2],[3] | (16,067) | (17,851) | (24,954) | |||||||||||||||||
| Selling, informational and administrative expenses | [2] | (13,794) | (14,730) | (14,771) | |||||||||||||||||
| Product [Member] | |||||||||||||||||||||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Revenues | 51,663 | 53,816 | 50,914 | ||||||||||||||||||
| Royalty [Member] | |||||||||||||||||||||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Revenues | 1,650 | 1,423 | 1,058 | ||||||||||||||||||
| Collaborative Arrangement [Member] | |||||||||||||||||||||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Alliance revenues | [4] | 9,266 | 8,388 | 7,582 | |||||||||||||||||
| Total revenues | 10,546 | 9,486 | 8,400 | ||||||||||||||||||
| Cost of sales | [5] | (2,181) | (2,901) | (4,277) | |||||||||||||||||
| Selling, informational and administrative expenses | [6] | (324) | (335) | (267) | |||||||||||||||||
| Research and development expenses | [7] | 145 | 282 | 219 | |||||||||||||||||
| Collaborative Arrangement [Member] | Product [Member] | |||||||||||||||||||||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Revenues | [8] | 150 | 175 | 212 | |||||||||||||||||
| Collaborative Arrangement [Member] | Royalty [Member] | |||||||||||||||||||||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||||||||||||||||||||
| Revenues—Revenues | [9] | $ 1,130 | $ 923 | $ 605 | |||||||||||||||||
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- Definition Research and Development Expense (Excluding Acquired in Process Cost), Net of Reimbursement 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 The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue from collaborative arrangement. Excludes revenue from contract with customer under Topic 606. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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