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Acquisitions - Asset Acquisitions (Details) - USD ($) $ in Millions	1 Months Ended					12 Months Ended
	Aug. 31, 2024	Dec. 31, 2023	Oct. 31, 2023	Aug. 31, 2023	Feb. 28, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Acquired IPR&D Charge						$ 333.8
Morphic Holding, Inc. (Morphic)
Business Acquisition [Line Items]
Acquired IPR&D Charge	$ 2,548.5
Mablink Biosciences SAS
Business Acquisition [Line Items]
Acquired IPR&D Charge		$ 256.6
Beam Therapeutics Inc.
Business Acquisition [Line Items]
Acquired IPR&D Charge			$ 216.3
DICE Therapeutics, Inc. (DICE)
Business Acquisition [Line Items]
Acquired IPR&D Charge				$ 1,915.5
Versanis Bio, Inc. (Versanis)
Business Acquisition [Line Items]
Acquired IPR&D Charge				604.1
Emergence Therapeutics AG (Emergence)
Business Acquisition [Line Items]
Acquired IPR&D Charge				$ 406.5
BioMarin Pharmaceutical Inc.
Business Acquisition [Line Items]
Acquired IPR&D Charge					$ 110.0

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

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