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Fair value of financial instruments -Schedule of the Company's financial assets measured at fair value on a recurring basis and indicating the level of the fair value hierarchy utilized to determine such fair values (Details) - D-Wave Systems Inc. [Member] - Fair Value, Recurring [Member] $ in Thousands	Dec. 31, 2020 USD ($)
Fair Value, Inputs, Level 1 [Member]
Assets
Commercial paper	$ 0
Total assets	0
Liabilities
Warrant liabilities	0
Total liabilities	0
Fair Value, Inputs, Level 2 [Member]
Assets
Commercial paper	11,063
Total assets	11,063
Liabilities
Warrant liabilities	0
Total liabilities	0
Fair Value, Inputs, Level 3 [Member]
Assets
Commercial paper	0
Total assets	0
Liabilities
Warrant liabilities	0
Total liabilities	0
Commercial Paper [Member] | Fair Value, Inputs, Level 1 [Member]
Assets
Commercial paper	0
Total assets	0
Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]
Assets
Commercial paper	11,063
Total assets	11,063
Commercial Paper [Member] | Fair Value, Inputs, Level 3 [Member]
Assets
Commercial paper	0
Total assets	0
Warrant [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities
Warrant liabilities	0
Total liabilities	0
Warrant [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities
Warrant liabilities	0
Total liabilities	0
Warrant [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities
Warrant liabilities	0
Total liabilities	$ 0

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- References

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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