Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	May 05, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-40312
Entity Registrant Name	EQRx, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	86-1691173
Entity Address State Or Province	MA
Entity Address, Address Line One	50 Hampshire Street
Entity Address, City or Town	Cambridge
Entity Address, Postal Zip Code	02139
City Area Code	617
Local Phone Number	315-2255
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		487,359,403
Entity Central Index Key	0001843762
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common stock
Trading Symbol	EQRX
Security Exchange Name	NASDAQ
Warrants to purchase one share of common stock
Document Information [Line Items]
Title of 12(b) Security	Warrants
Trading Symbol	EQRXW
Security Exchange Name	NASDAQ