| Document and Entity Information | Nov. 08, 2022 |
| Entity Information [Line Items] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Nov. 08, 2022 |
| Entity Registrant Name | RIGETTI COMPUTING, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40140 |
| Entity Tax Identification Number | 88-0950636 |
| Entity Address, Address Line One | 775 Heinz Avenue |
| Entity Address, City or Town | Berkeley |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94710 |
| City Area Code | 510 |
| Local Phone Number | 210-5550 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Description | On November 14, 2022, Rigetti Computing, Inc. (the “Company”) filed a Current Report on Form 8-K, as amended on December 2, 2022 (the “Original Form 8-K”), with the U.S. Securities and Exchange Commission (the “SEC”), announcing the resignation of the Company’s Founder, President and Chief Executive Officer, Dr. Chad Rigetti. This Amendment No. 2 to Current Report on Form 8-K (“Amendment No. 2”) further amends the Original Form 8-K in order to supplement the Company’s disclosure under Item 5.02 of the Original Form 8-K with respect to the terms of Dr. Rigetti’s separation agreement, which such terms were not known at the time of filing the Original Form 8-K. The Original Form 8-K otherwise remains unchanged and does not otherwise reflect events occurring after the original filing of the Form 8-K except as set forth in this Amendment No. 2. |
| Entity Central Index Key | 0001838359 |
| Common Stock, $0.0001 par value per share [Member] | |
| Entity Information [Line Items] | |
| Security 12b Title | Common Stock, $0.0001 par value per share |
| Trading Symbol | RGTI |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share [Member] | |
| Entity Information [Line Items] | |
| Security 12b Title | Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | RGTIW |
| Security Exchange Name | NASDAQ |
