Licensing, Acquisitions, and Other Arrangement- Acquisitions of DJS (Details) - USD ($) $ in Millions	1 Months Ended
	Oct. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Goodwill		$ 32,293	$ 32,156	$ 32,379
DJS Antibodies LTD
Collaborative Arrangements and Non-collaborative Arrangement Transactions
Total consideration	$ 287
Upfront cash payment	255
Contingent consideration	32
Maximum future payments upon achievement of certain milestones	95
Intangible assets - Developed product rights	233
Intangible assets - In-process research and development	22
Deferred tax liabilities	60
Goodwill	$ 92