General form of registration statement for all companies including face-amount certificate companies

Business Combination - Summary of Consummation of the Business Combination (Detail)

v3.22.1
Business Combination - Summary of Consummation of the Business Combination (Detail) - Rigetti Computing, Inc [Member]
3 Months Ended
Mar. 31, 2022
shares
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Shares issued in PIPE 14,641,244
Business Combination and PIPE shares 34,850,706
Common stock - Legacy Rigetti 18,221,069
Common stock - exercise of Legacy Rigetti stock options immediately prior to the closing 1,123,539
Common stock - exercise of Legacy Rigetti warrants immediately prior to the closing 2,234,408
Ending balance, shares 113,810,285
Common Class A [Member]  
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Less: redemption of SNII Class A ordinary shares (22,915,538)
Common Stock - SNII Class ordinary shares 11,584,462
Common Class A [Member] | Status Of Shares Outstanding Before Business Combination [Member]  
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Beginning balance, shares 34,500,000
Common Class B [Member]  
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Common Stock - SNII Class ordinary shares 8,625,000
Series C Redeemable Convertible Preferred Stock [Member]  
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Common stock - upon conversion of Legacy Rigetti Series preferred stock 54,478,261
Series C One Redeemable Convertible Preferred Stock [Member]  
Disclosure In Tabular Form Of Reconciliation Of Common Stock Shares Issued Following Business Combination [Line Items]  
Common stock - upon conversion of Legacy Rigetti Series preferred stock 2,902,302