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Commitments and contingencies - Contingencies (Details) - U.S. Centers for Medicare and Medicaid Services - JAKAFI $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($)
Contingencies |
Loss Contingences, Gross To Net Deduction Percentage | 6.50%
Accrued And Other Current Liabilities |
Contingencies |
Loss Contingency Accrual | $ 59.5

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