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Collaborative Arrangements - Bristol Meyers Squibb Company - Narrative (Details) - Bristol Myers Squibb Company - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Licensing Agreements |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Royalty rate, deduction | 0.50 |
Licensing Agreements | Alliance Revenue - Reblozyl |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Eligible future contingent sales-based milestone payments (up to) | $ 80 |
Collaborative Arrangement, Transaction with Party to Collaborative Arrangement |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Revenue from collaborative arrangement | $ 119 | $ 71
Minimum | Licensing Agreements |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Royalty rate | 20.00% |
Maximum | Licensing Agreements |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Royalty rate | 24.00% |

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- Definition Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Sales-Based Milestone Payments + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
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- Definition Amount of revenue from collaborative arrangement. Excludes revenue from contract with customer under Topic 606. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 3 -SubTopic 10 -Topic 808 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479428/808-10-45-3 + Details
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