Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 09, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity File Number	001-39539
Entity Registrant Name	PMV PHARMACEUTICALS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-3218129
Entity Address, Address Line One	8 Clarke Drive
Entity Address, Address Line Two	Suite 3
Entity Address, City or Town	Cranbury
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08512
City Area Code	609
Local Phone Number	642-6670
Title of 12(b) Security	Common stock, par value $0.00001
Trading Symbol	PMVP
Security Exchange Name	NASDAQ
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 Bankruptcy Proceedings, Reporting Current	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		45,622,610
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001699382
Amendment Flag	false