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Business Combination - Summary of Consummation of the Business Combination (Detail) | 12 Months Ended
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Dec. 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

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