Balance sheet details - Schedule Of Other Assets Non current (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total other noncurrent assets	$ 1,345	$ 1,353
DWave System [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Investment in securities		1,169	$ 5
Long-term deposits		184	182
Total other noncurrent assets		$ 1,353	$ 187

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LongTermInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant