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Other Balance Sheet Components - Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Estimated reimbursements to wholesalers and distributors	$ 84	$ 103
Research and development funding liability (Note 5)	43	58
Lease liabilities - financing (Note 10)	25	23
Lease liabilities - operating (Note 10)	17	14
Other	16	23
Other current liabilities	$ 185	$ 221

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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