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Revenue Recognition - Schedule of condensed consolidated balance sheet line items that reflect accounts receivable, contract assets and liabilities (Detail) - Rigetti Holdings [Member] - USD ($)
Oct. 31, 2021
Jan. 31, 2021
Jan. 31, 2020
Contract With Customer Asset And Liability [Line Items]      
Trade receivables, net $ 1,274,181 $ 327,301 $ 165,225
Unbilled receivables 195,376 152,073 23,750
Deferred revenue—current $ (630,993) (491,827) (1,850,482)
Deferred revenue - non-current   $ 0 $ (301,201)