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Basis of presentation and Summary of Significant Accounting Policies - Schedule of estimated useful lives of its property and equipment (Details) - DWave System [Member]
 12 Months Ended
Dec. 31, 2021
Schedule of Estimated Useful Lives of its Property and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Lab Equipment [Member]  
Schedule of Estimated Useful Lives of its Property and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Computer Equipment [Member]  
Schedule of Estimated Useful Lives of its Property and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Furniture and Fixtures [Member]  
Schedule of Estimated Useful Lives of its Property and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Leasehold Improvements [Member]  
Schedule of Estimated Useful Lives of its Property and Equipment [Line Items]  
Property plant and equipment shorter of expected lease term or estimated useful life Shorter of expected lease term or estimated useful life