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Commitments and Contingencies - Purchase Commitments and Purchase Orders (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Loss on future firm purchase commitments | $ 5 | $ 60
Supply and Manufacturing Agreements |  |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Purchase commitments | 411 |
Clinical Services |  |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Purchase commitments | 1,000 |
Clinical Operations and Support Commitments |  |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Purchase commitments | $ 1,800 |

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- Definition Legal Contingency, Future Firm Purchase Commitments + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Details
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