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v3.26.1

Commitments and Contingencies - Legal Proceedings (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 USD ($) lawsuit | Dec. 31, 2025 USD ($)
Loss Contingencies [Line Items] |  |
Litigation settlement liability | $ 950 |
Finite-lived intangible assets, net | 116 | $ 45
Arbutus Biopharma Corporation (Arbutus) and Genevant Sciences GmbH (Genevant) |  |
Loss Contingencies [Line Items] |  |
Litigation settlement liability | 950 |
Amount awarded to other party | 876 |
Loss contingency, estimate of possible loss | 74 |
Arbutus Biopharma Corporation (Arbutus) and Genevant Sciences GmbH (Genevant) | Maximum |  |
Loss Contingencies [Line Items] |  |
Litigation liability | $ 1,300 |
Arbutus Biopharma Corporation (Arbutus) and Genevant Sciences GmbH (Genevant) | Intellectual Property |  |
Loss Contingencies [Line Items] |  |
Finite-lived intangible asset, useful life | 3 years |
Finite-lived intangible assets, net | $ 72 |
GlaxoSmithKline Biologicals |  |
Loss Contingencies [Line Items] |  |
Number of patent infringement cases | lawsuit | 2 |

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