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Stockholders' Equity (Details) - USD ($)			1 Months Ended	3 Months Ended
	Jun. 26, 2024	Jun. 13, 2024	Jun. 30, 2024	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2025	Jun. 30, 2025	May 31, 2025	May 14, 2024	May 13, 2024	May 12, 2024	May 09, 2024
Share Repurchase Program [Line Items]
Stock repurchased (in shares)			33,325,849
Shares acquired, average cost per share (in dollars per share)			$ 60.00
Repurchases of common stock			$ 2,000,000,000.0	$ 103,000	$ 2,023,872,000
Share repurchase, fees and expenses			24,400,000
Share repurchase, excise tax			$ 19,100,000
Baker Entities | Incyte
Share Repurchase Program [Line Items]
Ownership percentage (as a percent)												16.40%
Board of Directors Approved Share Repurchase Program
Share Repurchase Program [Line Items]
Share repurchase program, authorized, amount										$ 2,000,000,000.0
Dutch Auction Tender Offer
Share Repurchase Program [Line Items]
Share repurchase program, authorized, amount									$ 1,672,000,000
Stock repurchased (in shares)		27,866,666
Shares acquired, average cost per share (in dollars per share)		$ 60.00
Repurchases of common stock		$ 1,672,000,000
Dutch Auction Tender Offer | Maximum
Share Repurchase Program [Line Items]
Share repurchase program, tender offer (in dollars per share)										$ 60.00
Dutch Auction Tender Offer | Minimum
Share Repurchase Program [Line Items]
Share repurchase program, tender offer (in dollars per share)										$ 52.00
Baker Entities Share Repurchase Program
Share Repurchase Program [Line Items]
Share repurchase program, authorized, amount											$ 328,000,000.0
Stock repurchased (in shares)	5,459,183
Shares acquired, average cost per share (in dollars per share)	$ 60.00
Repurchases of common stock	$ 328,000,000
Stock Incentive Plan 2010
Share Repurchase Program [Line Items]
Shares reserved for future issuance (in shares)							74,953,475	66,453,475
2024 Inducement Plan
Share Repurchase Program [Line Items]
Shares reserved for future issuance (in shares)						2,000,000

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