Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Basis of presentation and Summary of Significant Accounting Policies - Summary of cash and cash equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 13,764	$ 9,483
D-Wave Systems Inc. [Member]
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents		9,483	$ 21,335
D-Wave Systems Inc. [Member] \| Cash [Member]
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents		9,483	10,272
D-Wave Systems Inc. [Member] \| Commercial Paper [Member]
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents		$ 0	$ 11,063