Condensed Consolidated Statements of Operations (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
License and Development Services Revenue
Revenue from related parties	$ 19	$ 17	$ 36	$ 25
Other Collaboration Revenue
Revenue from related parties	10	9	18	17
Research and Development
Reimbursement from related party for shared costs	$ 34	$ 36	$ 67	$ 66

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ Details