Third-Party Arrangements - Schedule of Sales and Cost of Sales Resulting from the Manufacturing and Supply Agreements (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Related Party Transaction [Line Items]
Sales	$ 1,574	$ 1,602	$ 4,592	$ 4,709
Cost of sales	705	745	2,093	2,137
Related Party
Related Party Transaction [Line Items]
Sales	11	18	37	55
Cost of sales	$ 12	$ 15	$ 33	$ 47

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details