Reverse Recapitalization - Schedule of Number of Shares of Common Stock Outstanding Immediately following Business Combination (Details) - shares		Jun. 30, 2022	Dec. 31, 2021	Sep. 24, 2021
Business Acquisition [Line Items]
Common stock, shares outstanding		152,229,803	137,722,658	21,483,286
Common stock, shares issued		152,229,803	137,722,658
Less: redemption of Rotor Common Stock		(23,479,970)
Total shares from the Business Combination and PIPE financing		32,525,990
Recapitalization of old common stock	[1]	105,063,285
Total shares of Common Stock immediately after the Business Combination		137,589,275
PIPE Investors
Business Acquisition [Line Items]
Common stock, shares issued		22,000,000
Rotor Acquisition Corp | Common Class A
Business Acquisition [Line Items]
Common stock, shares outstanding		27,600,000
Rotor Acquisition Corp | Common Class B
Business Acquisition [Line Items]
Common stock, shares outstanding		6,405,960

[1] The number of Old Sarcos shares was determined from the 21,483,286 shares of Old Sarcos Common Stock warrants, Common Stock and Preferred Stock outstanding immediately prior to the closing of the Business Combination, which are presented net of the Common and Preferred Stock redeemed, converted at the Exchange Ratio of 5.129222424. This excludes a restricted stock award for 5,129,222 shares that was unvested as of the date of the Business Combination. All fractional shares were rounded down.