v3.23.2
FORWARD WARRANT AGREEMENT - Additional Information (Detail)
$ / shares in Units, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
shares
Maximum | Estimated Probability of Occurrence | Forward Warrant        
Class of Warrant or Right [Line Items]        
Warrants and Rights Outstanding, Measurement Input   50    
Minimum | Estimated Probability of Occurrence | Forward Warrant        
Class of Warrant or Right [Line Items]        
Warrants and Rights Outstanding, Measurement Input   25    
Forward Warrant Agreement [Member]        
Class of Warrant or Right [Line Items]        
Derivative liabilities $ 5.1 $ 1.1 $ 5.1  
Derivative asset $ 2.1 0.1 $ 2.1  
Forward Warrant Agreement [Member] | Rigetti [Member]        
Class of Warrant or Right [Line Items]        
Derivative asset   1.1   $ 2.2
Forward Warrant Agreement [Member] | Ampere | Rigetti [Member]        
Class of Warrant or Right [Line Items]        
Proceeds from Issuance of Warrants   $ 10.0    
Stock issued during period number of warrants issued | shares   1,000,000    
Exercise price of warrants | $ / shares $ 0.0001   $ 0.0001  
Warrants Issued | shares       500,000
Forward Warrant Agreement [Member] | Ampere | Rigetti [Member] | Share-based Payment Arrangement, Tranche One [Member]        
Class of Warrant or Right [Line Items]        
Business combination consideration to be paid $ 5.0   $ 5.0  
Share based compensation arrangement share based payment award options vested and exercisable | shares 500,000   500,000  
Forward Warrant Agreement [Member] | Ampere | Rigetti [Member] | Share-based Payment Arrangement, Tranche Two [Member]        
Class of Warrant or Right [Line Items]        
Business combination consideration to be paid $ 5.0      
Share based compensation arrangement share based payment award options vested and exercisable | shares 500,000   500,000