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Stockholders Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2019
Sep. 30, 2018
Common Stock        
Class Of Stock [Line Items]        
Number of shares sold   6,340,771 6,340,771 9,179,500
Pre-Funded Warrants        
Class Of Stock [Line Items]        
Warrants to purchase shares of common stock   2,548,117    
Warrants exercise price per share   $ 9.00    
Warrants exercise price per share paid at closing of offering   8.99    
Ginkgo Bioworks, Inc.        
Class Of Stock [Line Items]        
Exercise price of warrants, per share $ 9.00 9.00 $ 9.00  
Warrants exercise price per share   $ 9.00    
Proceeds from issuance of common stock and pre-funded warrants $ 79.9 $ 79.9    
Ginkgo Bioworks, Inc. | Common Stock        
Class Of Stock [Line Items]        
Number of shares sold 6,340,771 6,340,771    
Ginkgo Bioworks, Inc. | Pre-Funded Warrants | Maximum        
Class Of Stock [Line Items]        
Unbeneficial percentage of ownership after exercise of common stock outstanding effect to issuance     19.99%  
Ginkgo Bioworks, Inc. | Pre-Funded Warrants        
Class Of Stock [Line Items]        
Warrants to purchase shares of common stock 2,548,117 2,548,117 2,548,117  
Warrants exercise price per share $ 9.00 $ 9.00 $ 9.00  
Warrants exercise price per share paid at closing of offering $ 8.99 $ 8.99 $ 8.99