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Common Stock - Additional Information (Detail) | 1 Months Ended | 12 Months Ended | 20 Months Ended | 32 Months Ended | 145 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) $ / shares shares | Apr. 30, 2018 USD ($) $ / shares shares | Jan. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) Vote shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2018 shares | Dec. 31, 2019 shares | Dec. 31, 2019 USD ($)
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Number of votes entitled to each share of common stock | Vote |  |  |  | 1 |  |  |  |
Cash dividends | $ |  |  |  |  |  |  |  | $ 0
Proceeds from sale of common stock, net of issuance costs | $ |  | $ 28,900,000 | $ 53,800,000 | $ 56,996,000 | $ 82,666,000 |  |  |
Proceeds from sale of pre-funded warrants, net of issuance costs | $ |  |  |  | $ 22,874,000 |  |  |  |
Ginkgo Bioworks, Inc. |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of common stock, net of issuance costs | $ | $ 57,000,000 |  |  |  |  |  |  |
Sale of stock, price per share | $ / shares | $ 9.00 |  |  |  |  |  |  |
Proceeds, net of issuance costs, from issuance of common stock and pre-funded warrants | $ | $ 79,900,000 |  |  |  |  |  |  |
Ginkgo Bioworks, Inc. | Pre-Funded Warrants |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Warrants exercise price per share | $ / shares | $ 9.00 |  |  |  |  |  |  |
Warrants exercise price per share paid at closing of offering | $ / shares | $ 8.99 |  |  |  |  |  |  |
Proceeds from sale of pre-funded warrants, net of issuance costs | $ | $ 22,900,000 |  |  |  |  |  |  |
Ginkgo Bioworks, Inc. | Pre-Funded Warrants | Maximum |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Warrants to purchase shares of common stock | shares | 2,548,117 |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Unvested shares of common stock | shares |  |  |  |  | 586,929 | 586,929 |  |
Number of shares forfeited | shares |  |  |  |  |  |  | 147,617 |
Repurchase option exercisable period |  |  |  | 4 years |  |  |  |
Repurchase options share exercised | shares |  |  |  |  |  | 41,819 |  |
Sale of common stock, shares | shares |  | 3,280,000 | 5,899,500 | 6,340,771 | 9,179,500 |  |  |
Stock sold and issued to investors, per share | $ / shares |  | $ 9.15 | $ 9.75 |  |  |  |  |
Common Stock | Ginkgo Bioworks, Inc. |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of common stock, shares | shares | 6,340,771 |  |  |  |  |  |  |
Pre-Funded Warrants | Ginkgo Bioworks, Inc. | Maximum |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |
Unbeneficial percentage of ownership after exercise of common stock outstanding effect to issuance | 19.99% |  |  |  |  |  |  |

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