Subsequent Events	6 Months Ended
Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	Note 9 – Subsequent Events On July 7, 2021, 374Water Systems Inc. (“374Water”), a subsidiary of 374Water Inc. (the “Company”) entered into a Manufacturing and Service Agreement (the “Manufacturing and Service Agreement”) with Merrell Bros. Fabrication, LLC (“Merrell Bros.”) pursuant to which Merrell Bros. will manufacture, supply and service AirSCWO supercritical water oxidation products for 374Water. Subject to certain termination rights, the Manufacturing and Service Agreement is for an initial period of three years and will renew for successive one-year periods thereafter. Under the Manufacturing and Service Agreement, Merrell Bros. will be 374Water’s exclusive supplier and service provider with respect to the products in the United States and Canada.

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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