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Intangible assets, net - Summary of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 262	$ 272
DWave System [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,122	$ 897
Less: Accumulated amortization		(850)	(749)
Intangible assets, net		272	148
DWave System [Member] | Capitalized software
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,087	862
DWave System [Member] | Other intangible assets
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		$ 35	$ 35

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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- Definition

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+ References

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