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- Definition

Asset Acquisition, Consideration Transferred, Amount Per American Depository Share

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Asset Acquisition, Maximum Aggregate Contingent Development-Related Payments

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Asset Acquisition, Maximum Aggregate Regulatory Milestone Payments

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Asset Acquisition, Maximum Aggregate Sales-Based Milestone Payments

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- Definition

Asset Acquisition, Share Conversion, Ordinary Shares Per Depository Shares

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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Amount of transaction cost incurred as part of consideration transferred in asset acquisition.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Acquisitions, Research Collaborations and Licensing Agreements - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended		6 Months Ended
	Jul. 31, 2025	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	May 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Research and development				$ 4,048.0	$ 3,500.0	$ 7,669.0	$ 7,492.0
Property, plant and equipment, net				25,236.0		$ 25,236.0			$ 23,779.0
Verona Pharma plc \| Subsequent Event
Business Combination [Line Items]
Consideration transferred, asset acquisition (in dollars per depository share)	$ 107
Asset acquisition, share conversion, ordinary shares per depository shares (in shares)	8
Consideration transferred, asset acquisition	$ 10,000.0
HRS-5346 , Jiangsu Hengrui Pharmaceuticals Co., Ltd.
Business Combination [Line Items]
Research and development				$ 200.0
Jiangsu Hengrui Pharmaceuticals Co., Ltd.
Business Combination [Line Items]
Future contingent developmental milestone payments (up to)								$ 92.5
Future regulatory milestone payments (up to)								177.5
Maximum aggregate sales-based milestone payments								$ 1,500.0
WuXi Vaccines' facility
Business Combination [Line Items]
Consideration transferred, asset acquisition		$ 437.0
WuXi Vaccines' facility \| Asset under Construction
Business Combination [Line Items]
Property, plant and equipment, net		$ 759.0
Harpoon Therapeutics, Inc.
Business Combination [Line Items]
Asset acquisition, transaction costs			$ 56.0
Consideration transferred, asset acquisition			$ 765.0
Research and development							656.0
Net assets acquired							$ 165.0