Cover - USD ($) $ in Billions	12 Months Ended
Cover - USD ($) $ in Billions	Jan. 31, 2026	Feb. 28, 2026	Jul. 31, 2025
Class of Stock [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jan. 31, 2026
Current Fiscal Year End Date	--01-31
Document Transition Report	false
Entity File Number	001-38933
Entity Registrant Name	CROWDSTRIKE HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-3788918
Entity Address, Address Line One	206 E. 9th Street
Entity Address, Address Line Two	Suite 1400
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78701
City Area Code	888
Local Phone Number	512-8906
Title of 12(b) Security	Class A common stock, par value $0.0005 per share
Trading Symbol	CRWD
Security Exchange Name	NASDAQ
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
Document Financial Statement Error Correction [Flag]	true
Document Financial Statement Restatement Recovery Analysis [Flag]	true
Entity Shell Company	false
Entity Public Float			$ 109.3
Documents Incorporated by Reference	Portions of the registrant’s definitive Proxy Statement relating to its 2026 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K where indicated. Such Proxy Statement will be filed with the United States Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Annual Report on Form 10-K relates.
Entity Central Index Key	0001535527
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	FY
Amendment Flag	false
Class A common stock
Class of Stock [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		253,614,090