Cover - shares	6 Months Ended
	Jul. 31, 2024	Aug. 31, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 31, 2024
Document Transition Report	false
Entity File Number	001-42028
Entity Registrant Name	RUBRIK, INC.
Entity Address, State or Province	DE
Entity Tax Identification Number	46-4560494
Entity Address, Address Line One	3495 Deer Creek Road
Entity Address, City or Town	Palo Alto
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94304
City Area Code	844
Local Phone Number	478-2745
Title of 12(b) Security	Class A Common Stock, $0.000025 par value
Trading Symbol	RBRK
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Central Index Key	0001943896
Current Fiscal Year End Date	--01-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Amendment Flag	false
Class A common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		69,118,119
Class B common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		112,535,092