Business Combination - Reconciliation of Number Shares of Common Stock (Details) - shares
3 Months Ended 12 Months Ended
Jul. 01, 2021
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Schedule of Reverse Recapitalization [Line Items]        
Shares in Business Combination [1]       7,548
Earnout Shares     3,213,000  
Less: redemption of FCAC shares (19,864,030) (6,002,255) (19,864,030)  
Shares issued in Private Placement financing     42,560,000  
Legacy Sharecare shares converted to common stock 271,051,959   271,051,959  
Common stock outstanding   345,788,707 345,788,707 217,106,957
Sponsor members        
Schedule of Reverse Recapitalization [Line Items]        
Shares in Business Combination     5,627,250  
Common stock outstanding   337,088,179 337,088,179  
Common shareholders        
Schedule of Reverse Recapitalization [Line Items]        
Shares in Business Combination     43,340,250  
FCAC        
Schedule of Reverse Recapitalization [Line Items]        
Common stock outstanding   34,500,000 34,500,000  
[1] Retroactively restated for the Reverse Recapitalization as a result of the Business Combination as described in Notes 1 and 2.