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Related Party Transactions - Narrative (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2020
Oct. 02, 2020
Aug. 27, 2020
Jun. 22, 2022
Oct. 20, 2020
Oct. 20, 2020
Aug. 27, 2020
Aug. 18, 2020
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Apr. 13, 2022
Mar. 31, 2022
Feb. 28, 2022
Oct. 20, 2021
Related Party Transaction [Line Items]                                        
Sponsor transferred an aggregate shares               80,000                        
Common stock, issued (in shares) 3,166,948                       3,166,948 3,166,948 3,166,948          
Warrants, exercise price (in usd per share)                           $ 1            
Old D-Wave [Member]                                        
Related Party Transaction [Line Items]                                        
Equity Method Investment, Ownership Percentage                           75.00%            
Thirdparty Consulting Firm [Member] | Advisory Services [Member]                                        
Related Party Transaction [Line Items]                                        
Related party transaction, amounts of transaction                           $ 380,000          
Due to Related Parties, Current $ 0                       $ 0 0 0          
Related Party Transaction, Date                               Dec. 31, 2020        
PSPIB [Member] | Venture Loan Agreement [Member]                                        
Related Party Transaction [Line Items]                                        
Debt Instrument, Face Amount                                   $ 25,000,000    
PSPIB [Member] | Venture Loan Agreement [Member] | Old D-Wave [Member]                                        
Related Party Transaction [Line Items]                                        
Equity Method Investment, Ownership Percentage                                   46.80%    
DPCM Capital, Inc. [Member]                                        
Related Party Transaction [Line Items]                                        
Original purchase price per share               $ 0.004                        
Aggregate of founder shares issued and outstanding   7,187,500                                    
General and administrative expenses (in Dollars)           $ 10,000                            
Incurred Fees                 $ 30,000 $ 30,000 $ 60,000 $ 60,000 20,000 120,000            
Accounts payable and accrued liabilities $ 20,000               200,000   200,000   $ 20,000 140,000 $ 20,000          
Working Capital Debt                           $ 1,500,000            
DPCM Capital, Inc. [Member] | Unsecured Promissory Note [Member] | Subsequent Event [Member]                                        
Related Party Transaction [Line Items]                                        
Debt Instrument, Face Amount                                 $ 1,000,000      
DPCM Capital, Inc. [Member] | Sponsor [Member]                                        
Related Party Transaction [Line Items]                                        
Debt Instrument, Face Amount                                     $ 1,000,000  
Due from related parties                 200,000   200,000                  
Notes Payable, Related Parties                 $ 220,000   $ 220,000                  
DPCM Capital, Inc. [Member] | Sponsor [Member] | Subsequent Event [Member]                                        
Related Party Transaction [Line Items]                                        
Loan funded by sponsor                                 $ 220,000      
DPCM Capital, Inc. [Member] | Founder Shares [Member]                                        
Related Party Transaction [Line Items]                                        
Aggregate purchase price (in Dollars)       $ 25,000                                
Sponsor transferred an aggregate shares   18,750 70,000       70,000 80,000                        
Business Combination Description                     The initial stockholders have agreed that, subject to certain limited exceptions, the Founder Shares will not be transferred, assigned or sold until the earlier of (A) one year after the completion of a Business Combination or (B) subsequent to a Business Combination, (x) if the last reported sale price of the Class A common stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any30-tradingday period commencing at least 150 days after a Business Combination, or (y) the date on which the Company completes a liquidation, merger, capital stock exchange or other similar transaction that results in all of the stockholders having the right to exchange their common stock for cash, securities or other property.     The initial stockholders have agreed that, subject to certain limited exceptions, the Founder Shares will not be transferred, assigned or sold until the earlier of (A) one year after the completion of a Business Combination or (B) subsequent to a Business Combination, (x) if the last reported sale price of the Class A common stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after a Business Combination, or (y) the date on which the Company completes a liquidation, merger, capital stock exchange or other similar transaction that results in all of the stockholders having the right to exchange their common stock for cash, securities or other property.            
DPCM Capital, Inc. [Member] | Over-Allotment Option [Member]                                        
Related Party Transaction [Line Items]                                        
Aggregate founder shares subject to forfeiture             150,000                          
Number of shares forfeited                     1,125,000     1,125,000            
DPCM Capital, Inc. [Member] | IPO [Member]                                        
Related Party Transaction [Line Items]                                        
Percentage Of Issued And Outstanding Shares                     20.00%     20.00%            
Common Class B [Member] | DPCM Capital, Inc. [Member]                                        
Related Party Transaction [Line Items]                                        
Aggregate shares issued       5,750,000                                
Common Stock Dividends, Shares   1,437,500     1,437,500 1,437,500                            
Aggregate of founder shares issued and outstanding 7,500,000                         7,500,000            
Common stock, issued (in shares) 7,500,000               7,500,000   7,500,000   7,500,000 7,500,000 7,500,000          
Common stock, outstanding (in shares) 7,500,000               7,500,000   7,500,000   7,500,000 7,500,000 7,500,000         8,625,000
Common Class B [Member] | DPCM Capital, Inc. [Member] | Founder Shares [Member]                                        
Related Party Transaction [Line Items]                                        
Common stock, issued (in shares)         8,625,000 8,625,000                            
Common stock, outstanding (in shares)         8,625,000 8,625,000                            
Common Class B [Member] | DPCM Capital, Inc. [Member] | Over-Allotment Option [Member]                                        
Related Party Transaction [Line Items]                                        
Number of shares forfeited                     1,125,000     1,125,000