Strategic Restructuring Plan - Summary of total restructuring charges recognized on the condensed consolidated statements of operations (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2026
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	$ 0	$ 30
Research and development
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	0	28
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	$ 0	$ 2

- Definition

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

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