v3.25.4
Available for Sale Debt Securities - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2025
USD ($)
May 31, 2024
USD ($)
tranche
quarter
payment
Sep. 30, 2022
USD ($)
Dec. 31, 2025
USD ($)
tranche
Dec. 31, 2025
USD ($)
Cytokinetics          
Debt and Equity Securities, FV-NI [Line Items]          
Long term funding partnership, amount   $ 50      
Installment repayments, percentage of amount drawn   1.5      
Cytokinetics | Development Funding          
Debt and Equity Securities, FV-NI [Line Items]          
Long term funding partnership, amount   $ 100      
Long term funding partnership, royalty installment repayments, amount   $ 100      
Long term funding partnership, royalty percentage on annual net sales   2.00%      
Number of quarters | quarter   18      
Installment repayments, percentage of amount drawn   2.4      
Cytokinetics | Development Funding | Phase 3 Trial          
Debt and Equity Securities, FV-NI [Line Items]          
Number of quarters | quarter   22      
Installment repayments, percentage of amount drawn   2.3      
Cytokinetics | Commercial Launch Funding          
Debt and Equity Securities, FV-NI [Line Items]          
Long term funding partnership, amount   $ 525      
Number of additional funding tranches | tranche   2      
Long term funding partnership, number of tranches | tranche   7      
Cytokinetics | Commercial Launch Funding | Tranches One, Four, Five and Six          
Debt and Equity Securities, FV-NI [Line Items]          
Long term funding partnership, amount         $ 275
Cytokinetics | Commercial Launch Funding | Tranche 2          
Debt and Equity Securities, FV-NI [Line Items]          
Number of tranches no longer available | tranche   2      
Cytokinetics | Commercial Launch Funding | Tranche 3          
Debt and Equity Securities, FV-NI [Line Items]          
Number of tranches no longer available | tranche   3      
Cytokinetics | Commercial Launch Funding | Tranche 7          
Debt and Equity Securities, FV-NI [Line Items]          
Number of tranches available for draw | tranche       7  
Cytokinetics | Commercial Launch Funding | Tranches One, Four, Five, Six, And Seven          
Debt and Equity Securities, FV-NI [Line Items]          
Installment repayments, percentage of amount drawn   1.9      
Number of consecutive quarterly payments | payment   34      
Cytokinetics | Commercial Launch Funding | Cytokinetics Funding Commitments | Tranche 7          
Debt and Equity Securities, FV-NI [Line Items]          
Future draw amount       $ 175  
MorphoSys | Development Funding          
Debt and Equity Securities, FV-NI [Line Items]          
Collaborative commitment to fund collaborative arrangement     $ 300    
Development fund bond          
Debt and Equity Securities, FV-NI [Line Items]          
Proceeds from sale $ 511