Business Combination - Schedule of Number of Shares of Common Stock Outstanding Immediately Following Closing (Parenthetical) (Details) - shares			12 Months Ended
	Aug. 19, 2022	Aug. 18, 2022	Dec. 31, 2023
SCS
Business Acquisition [Line Items]
Business combination, common stock exchange ratio	1.15%
Business combination, issuance of common shares			16,200,000
Legacy Akili stockholders
Business Acquisition [Line Items]
Business combination, common stock exchange ratio	1.15%	1.15%
Business combination, earn-out shares	7,536,461
Legacy Akili stockholders | SCS
Business Acquisition [Line Items]
Business combination, issuance of common shares	8,834