Contingencies (Details) - Chugai Patent Infringement Complaint - patent	Jun. 30, 2026	Sep. 30, 2025	Dec. 31, 2024
Disclosure of contingent liabilities [line items]
Number of patents	4		2
Number of additional lawsuits		2
Number of new patents		2

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

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