Document and Entity Information - shares	6 Months Ended
	Jul. 31, 2022	Aug. 29, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2022
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Trading Symbol	HCP
Entity Registrant Name	HashiCorp, Inc.
Entity Central Index Key	0001720671
Current Fiscal Year End Date	--01-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Small Business	false
Title of 12(b) Security	Class A Common Stock, par value $0.000015 per share
Security Exchange Name	NASDAQ
Entity File Number	001-41121
Entity Tax Identification Number	32-0410665
Entity Address, Address Line One	101 Second Street
Entity Address, Address Line Two	Suite 700
Entity Address, City or Town	San Francisco
Entity Address, Postal Zip Code	94105
City Area Code	415
Local Phone Number	301-3250
Entity Address, State or Province	CA
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		73,737,930
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		112,645,282