Subsequent Events	6 Months Ended
Jun. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn July 28, 2023, Agios and Alnylam Pharmaceuticals, Inc., or Alnylam, entered into a license agreement under which Agios acquired the rights to develop and commercialize Alnylam's novel preclinical siRNA targeting TMPRSS6, as a potential disease-modifying treatment for patients with polycythemia vera (PV). Under the terms of the agreement, in August 2023, Agios is obligated to make an up-front payment to Alnylam of $17.5 million. In addition, Agios is responsible to pay up to $130.0 million in potential development and regulatory milestone payments, in addition to sales milestones and tiered royalties.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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