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Represents the additional milestone payments to be made under the license agreement.

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Represents the amount of the milestone payment made under the license agreement.

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License Agreement Milestone Payment, Useful Life

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License Agreement, Royalty Obligation Expiration Period

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- Definition

License Agreement, Written Notice Period For Payment Obligation Breach

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- Definition

License Agreement, Written Notice Period For Uncured Material Breach

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- Definition

Payments For Asset Acquisitions

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- Definition

Payments To Acquire License Agreement

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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.

+ References

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- Definition

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

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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.

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- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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- Definition

Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity.

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Acquisitions - Narrative (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended			6 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Thousands	May 30, 2024	Feb. 05, 2024	Jun. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Asset Acquisition [Line Items]
Research and development				$ 494,917		$ 1,138,380	$ 932,196	$ 1,567,640
Escient
Asset Acquisition [Line Items]
Payments for asset acquisitions	$ 782,500
Asset acquisition, consideration transferred, transaction cost	2,500
Asset acquisition, consideration transferred	785,000
Asset acquisition, compensation expense						$ 31,500		$ 31,500
In-process research and development assets	679,388
Research and development				$ 679,400			$ 679,400
Escient \| In Process Research and Development - INCB000262
Asset Acquisition [Line Items]
In-process research and development assets	644,800
Escient \| In Process Research and Development - INCB000547
Asset Acquisition [Line Items]
In-process research and development assets	$ 34,600
Xencor
Asset Acquisition [Line Items]
Payment to acquire license agreement					$ 12,500
Maximum \| Xencor
Asset Acquisition [Line Items]
Uncured material breach, written notice period (in days)		120 days
Payment obligation breach, written notice period (in days)		30 days
Minimum \| Xencor
Asset Acquisition [Line Items]
Advance written notice period (in days)		90 days
Regulatory Milestone \| Xencor
Asset Acquisition [Line Items]
Milestone payment made under license agreement			$ 25,000
Milestone payment, estimated useful life (in years)			8 years
Development and Regulatory Milestones \| Maximum \| Xencor
Asset Acquisition [Line Items]
Additional milestone payments under the license agreement					149,000
Commercialization Milestones \| Maximum \| Xencor
Asset Acquisition [Line Items]
Additional milestone payments under the license agreement					$ 50,000
Expiration period (in years)		11 years
MorphoSys AG
Asset Acquisition [Line Items]
Payment to acquire license agreement		$ 25,000