Collaborative, Licensing and Other Arrangements - Schedule of Recognized Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Other Revenue
Other Revenue	$ 1,889,815	$ 1,412,284	$ 5,108,324	$ 3,844,863
Other Revenue
Other Revenue
Other Revenue	34,758	17,271	86,144	39,244
Other Revenue \| Novartis
Other Revenue
Other Revenue	34,758	17,271	86,144	39,244
Amgen royalty revenue \| Novartis
Other Revenue
Other Revenue	25,744	12,169	62,864	26,721
Novartis broad markets revenue \| Novartis
Other Revenue
Other Revenue	6,869	4,115	17,088	10,957
Other \| Novartis
Other Revenue
Other Revenue	$ 2,145	$ 987	$ 6,192	$ 1,566

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details