Cover - USD ($) shares in Millions, $ in Billions	12 Months Ended
	Jan. 31, 2022	Mar. 18, 2022	Jul. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jan. 31, 2022
Current Fiscal Year End Date	--01-31
Document Transition Report	false
Entity File Number	001-39504
Entity Registrant Name	SNOWFLAKE INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-0636374
Entity Address, Address Line One	Suite 3A
Entity Address, Address Line Two	106 East Babcock Street
Entity Address, City or Town	Bozeman
Entity Address, State or Province	MT
Entity Address, Postal Zip Code	59715
City Area Code	844
Local Phone Number	766-9355
Title of 12(b) Security	Class A Common Stock, $0.0001 par value
Trading Symbol	SNOW
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 76.1
Entity Common Stock, Shares Outstanding		314.6
Documents Incorporated by Reference	Portions of the registrant's definitive Proxy Statement relating to the 2022 Annual Meeting of Stockholders are incorporated herein by references in Part III of this Annual Report on Form 10-K to the extent stated herein. Such Proxy Statement will be filed with the Securities and Exchange Commission within 120 days of the registrant's fiscal year ended January 31, 2022.
Entity Central Index Key	0001640147
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false