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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Description of Business and Significant Accounting Policies - Narrative (Details)	1 Months Ended		12 Months Ended
	Dec. 31, 2022	Jul. 31, 2019 USD ($)	Jan. 31, 2025 USD ($) reporting_unit	Jan. 31, 2024 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2021 USD ($)
Concentration Risk [Line Items]
Cash equivalents			$ 4,000,000,000	$ 3,100,000,000
Short-term investments			$ 0	99,591,000
Financing receivables term			5 years
Falcon Fund term			10 years
Term of extension			3 years
Number of reporting units \| reporting_unit			1
Goodwill impairment loss			$ 0	0	$ 0
Impairment losses of property and equipment			$ 0	0	0
Commission amortization period			4 years
Professional service contract amortization period			5 months
Advertising expense			$ 118,100,000	79,900,000	53,800,000
Vesting period			4 years
Deferred financing costs, net			$ 2,900,000	4,000,000
Vested salary and incentive compensation percentage	100.00%
Marketable securities			5,500,000	2,300,000
Deferred compensation liability			5,500,000	2,300,000
Amortization of debt issuance costs			2,200,000	1,600,000	$ 1,300,000
Senior Notes
Concentration Risk [Line Items]
Unamortized issuance costs			$ 1,300,000	$ 1,600,000
Tranche One
Concentration Risk [Line Items]
Requisite service period			6 months
Tranche Two
Concentration Risk [Line Items]
Requisite service period			12 months
Tranche Three
Concentration Risk [Line Items]
Requisite service period			18 months
Tranche Four
Concentration Risk [Line Items]
Requisite service period			24 months
RSUs
Concentration Risk [Line Items]
Vesting period			4 years
PSUs
Concentration Risk [Line Items]
Vesting period			4 years
Employee Stock Purchase Plan
Concentration Risk [Line Items]
Vesting period			2 years
Capitalized internal-use software and website development
Concentration Risk [Line Items]
Useful life			3 years
Maximum
Concentration Risk [Line Items]
Useful life			20 years
Subscription fees payable term			60 days
Subscription term			3 years
Minimum
Concentration Risk [Line Items]
Useful life			1 year
Subscription fees payable term			30 days
Subscription term			1 year
Accel \| Crowdstrike Falcon Fund Llc
Concentration Risk [Line Items]
Sharing percentage		50.00%
Accel \| Crowdstrike Falcon Fund Llc \| Maximum
Concentration Risk [Line Items]
Amount agreed to commit		$ 10,000,000.0				$ 50,000,000.0
Financing Receivable \| Customer Concentration Risk \| End User One
Concentration Risk [Line Items]
Concentration risk, percentage			41.00%
Financing Receivable \| Customer Concentration Risk \| End User Two
Concentration Risk [Line Items]
Concentration risk, percentage			37.00%