Convertible Senior Notes - Schedule of Interest Expense (Details) - 0.125% Convertible Senior Notes Due 2025 - Convertible Debt - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Contractual interest expense	$ 1	$ 1	$ 1
Amortization of offering costs	2	2	3
Total interest expense related to the Notes	$ 3	$ 3	$ 4

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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+ Details