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Commitments and Contingencies - Legal Proceedings (Details)	12 Months Ended
	Dec. 31, 2025 lawsuit
GlaxoSmithKline Biologicals SA , Patents Owned By GSK
Loss Contingencies [Line Items]
Loss contingency, new claims filed, number	2
GlaxoSmithKline Biologicals SA , Patents Infringements in UPC
Loss Contingencies [Line Items]
Loss contingency, new claims filed, number	2
GlaxoSmithKline Biologicals SA , Liposomes And Modified Liposomes In Spain
Loss Contingencies [Line Items]
Loss contingency, new claims filed, number	2

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