Commitments and Contingencies (Details) $ in Millions	1 Months Ended
Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2025 USD ($) tranche part	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Long-term Purchase Commitment [Line Items]
Lease payments, minimum amount		$ 4.0
Cytokinetics Funding Commitments
Long-term Purchase Commitment [Line Items]
Long term funding partnership, remaining availability		175.0
Revolution Medicines Funding Commitments
Long-term Purchase Commitment [Line Items]
Number of parts to funding arrangement \| part	2
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc
Long-term Purchase Commitment [Line Items]
Credit loss allowance		52.4	$ 89.0
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc \| Senior Secured Term Loan
Long-term Purchase Commitment [Line Items]
Long term funding partnership, number of tranches \| tranche	3
Long term funding partnership, amount	$ 250.0
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc \| Royalty Purchase
Long-term Purchase Commitment [Line Items]
Long term funding partnership, number of tranches \| tranche	5
Long term funding partnership, amount	$ 250.0
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc \| Maximum
Long-term Purchase Commitment [Line Items]
Other commitment	2,000.0
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc \| Maximum \| Senior Secured Term Loan
Long-term Purchase Commitment [Line Items]
Other commitment	750.0
Funding commitment remained unfunded		750.0
Revolution Medicines Funding Commitments \| Revolution Medicines, Inc \| Maximum \| Royalty Purchase
Long-term Purchase Commitment [Line Items]
Other commitment	$ 1,250.0
Funding commitment remained unfunded		$ 750.0