Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Customer [Domain] Customer [Domain] Letter of Credit Letter of Credit [Member] Released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period State Current State and Local Tax Expense (Benefit) Leasehold improvements Leasehold Improvements [Member] ESPP, consecutive offering period Employee Stock Purchase Plan Offering Period Represents the duration of offering period under ESPP. Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Deferred offering costs Deferred Offering Costs Acquisition related costs Business Combination, Acquisition Related Costs Channel partner A Channel Partner A [Member] Channel Partner A Security Exchange Name Security Exchange Name Europe, Middle East, and Africa EMEA [Member] Forfeited (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Accel Accel [Member] This member stands for Accel, a shareholder of the Company. Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Foreign Currency Translation and Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Warrants issued (in shares) Conversion Of Warrants, Warrants Issued Number of new warrants issued in the conversion of redeemable convertible preferred stock warrants in a noncash (or part noncash) transaction. 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Revenue Recognition and Deferred Revenue [Abstract] Amortization of intangible assets Amortization of Intangible Assets Fair Value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Weighted-Average Remaining Useful Life Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Impairment losses Impairment of Long-Lived Assets to be Disposed of Increases in prior period tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Net deferred tax assets (liabilities) Deferred Tax Assets, Net Potential common shares excluded from diluted net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Revenue recognized, contract liabilities Contract with Customer, Liability, Revenue Recognized Research and development Research and Development Expense [Member] Sale of Stock [Axis] Sale of Stock [Axis] Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Business Acquisition [Axis] Business Acquisition [Axis] Crowdstrike Falcon Fund Llc Crowdstrike Falcon Fund Llc [Member] This member stands for CrowdStrike Falcon Fund LLC. Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Award Type [Domain] Award Type [Domain] Local Phone Number Local Phone Number Shares exercisable at end of period (in usd per share) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Expected to Vest Weighted Average Grant Date Fair Value Per share or unit weighted-average fair value of nonvested award expected to vest under share-based payment arrangement. Excludes share and unit options. Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Amazon Web Services Amazon Web Services [Member] Amazon Web Services Net decrease in deferred offering costs, accrued but not paid Net Change In Deferred Offering Costs, Accrued But Not Paid Represents the amount of net change in deferred offering costs, accrued but not paid. 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Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Net loss per share attributable to CrowdStrike common stockholders, basic (in dollars per share) Earnings Per Share, Basic Revenue, Deferred Revenue and Remaining Performance Obligations Revenue from Contract with Customer [Text Block] Sublease income Sublease Income Cash acquired Cash Acquired from Acquisition Shares outstanding at beginning of period (in shares) Shares outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Fair value, measurement with unobservable inputs reconciliation, recurring basis, beginning balance Fair value, measurement with unobservable inputs reconciliation, recurring basis,, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Beginning balance Ending balance Total deferred contract acquisition costs Capitalized Contract Cost, Net Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Non-cash interest expense Other Noncash Income (Expense) Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent ESPP, number of purchase periods Employee Stock Purchase Plan, Number Of Purchase Period Represents the number of purchase periods under ESPP. 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Deferred income tax asset Deferred Income Tax Assets, Net United Kingdom UNITED KINGDOM Issuance of common stock for founders holdbacks related to acquisitions Stock Issued During Period, Value, Acquisitions Current liabilities: Liabilities, Current [Abstract] General and administrative General and Administrative Expense Shares outstanding, beginning balance (in shares) Shares outstanding, ending balance (in shares) Shares, Outstanding Plus "Make Whole" Premium Plus "Make Whole" Premium [Member] Plus "Make Whole" Premium Accounting Policies [Abstract] Options outstanding, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Non-cash operating lease cost Non-cash Operating Lease Cost, Amortization and Interest Non-cash Operating Lease Cost, Amortization and Interest 2027 Recorded Unconditional Purchase Obligation, to be Paid, Year Five Federal Current Federal Tax Expense (Benefit) Operating lease liabilities Present value of operating lease liabilities Operating Lease, Liability Document Transition Report Document Transition Report Class A common stock, $0.0005 par value; 2,000,000 shares authorized as of January 31, 2022 and January 31, 2021; 209,996 shares, and 195,039 shares issued and outstanding as of January 31, 2022 and January 31, 2021, respectively; Class B common stock, $0.0005 par value; 300,000 shares authorized as of January 31, 2022 and January 31, 2021; 20,710 shares, and 28,685 shares issued and outstanding as of January 31, 2022 and January 31, 2021, respectively Common Stock, Value, Issued Minimum commitment Long-term Purchase Commitment, Amount Expected amortization period, weighted average vesting period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Shares outstanding at beginning of period (in usd per share) Shares outstanding at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Customer Concentration Risk Customer Concentration Risk [Member] Leases Lessee, Operating Leases [Text Block] Acquisitions Business Combination Disclosure [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Other Assets, Noncurrent Schedule of Other Assets, Noncurrent [Table Text Block] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Debt Redemption Terms [Domain] Debt Redemption Terms [Domain] Debt Redemption Terms Foreign Deferred Foreign Income Tax Expense (Benefit) Legal Entity [Axis] Legal Entity [Axis] Number of vesting schedules Vesting Schedule, Number Number of vesting schedules. Class of Stock [Axis] Class of Stock [Axis] Numerator: Numerator [Abstract] Numerator Minimum consolidated interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Income Tax Authority [Axis] Income Tax Authority [Axis] RSU, PSU and Special PSU RSU, PSU and Special PSU [Member] RSU, PSU and Special PSU Non-controlling interest Noncontrolling Interest, Increase from Contribution Noncontrolling Interest, Increase from Contribution Reclassification of redeemable convertible preferred stock warrant liability to additional paid-in capital upon initial public offering Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Revenue from related parties Revenue from Related Parties Geographic Information Geographic Information Disclosure [Text Block] The entire disclosure of geographic information. Temporary equity, carrying amount, beginning balance Temporary equity, carrying amount, ending balance Temporary Equity, Carrying Amount, Attributable to Parent Entity [Domain] Entity [Domain] Accrued expenses Accrued expenses Accrued Liabilities, Current Deferred contract acquisition costs Increase Decrease in Deferred Contract Acquisition Costs Amount of increase (decrease) in deferred contract acquisition costs. Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Capitalized computer software additions Capitalized Computer Software, Additions Shares of common stock issuable from stock options Options Share-based Payment Arrangement, Option [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Stockholders’ Equity Equity [Abstract] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Variable Rate [Axis] Variable Rate [Axis] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Variable Rate [Domain] Variable Rate [Domain] Additional Paid-in Capital Additional Paid-in Capital [Member] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Shares issued upon conversion of warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Other income, net Other Nonoperating Income (Expense) Other States States excluding California [Member] States excluding California Business Combinations [Abstract] Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Sharing percentage Sharing Percentage Exchanged The sharing percentage of distributions by the fund exchanged. Schedule of Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Award Type [Axis] Award Type [Axis] Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Shares issued Business Combination, Contingent Consideration, Shares Issued Business Combination, Contingent Consideration, Shares Issued Schedule of Future Minimum Payments, Leases Lessee, Operating Lease, Liability, Maturity [Table Text Block] Total CrowdStrike Holdings, Inc. stockholders’ equity Stockholders' Equity Attributable to Parent Percentage of Revenue Percentage of Revenue Represents the percentage of revenue. Conversion of redeemable convertible preferred stock warrant liabilities reclassified to additional paid-in capital Conversion Of Redeemable Convertible Preferred Stock Warrant Liabilities Reclassed To Additional Paid In Capital The value of the preferred stock warrant liabilities reclassed to additional paid-in capital converted in a noncash (or part noncash) transaction. City Area Code City Area Code Options, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Other current liabilities Other Miscellaneous Liabilities, Current Other Miscellaneous Liabilities, Current Useful life Property, Plant and Equipment, Useful Life Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Concentration of Credit Risk and Geographic Information Concentration Risk, Credit Risk, Policy [Policy Text Block] Operating lease liabilities, noncurrent Operating Lease, Liability, Noncurrent Total current Current Income Tax Expense (Benefit) Aggregate principal amount Debt Instrument, Face Amount Number of shares of common stock related to early exercised stock options subject to repurchase (in shares) Sharebased Compensation Arrangement By Sharebased Payment Award Options Number Of Shares Related To Early Exercised Stock Options Subject To Repurchase Number of shares of common stock related to early exercised stock options subject to repurchase. 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Denominator: Denomiator [Abstract] Denomiator Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Other Commitments [Domain] Other Commitments [Domain] Performance adjustment (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment Accounts receivable, net of allowance for credit losses of $1.6 million and $1.2 million as of January 31, 2022 and January 31, 2021, respectively Accounts Receivable, after Allowance for Credit Loss, Current Asia Pacific Asia Pacific [Member] Options exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Entity Tax Identification Number Entity Tax Identification Number Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current Total operating lease payments Lessee, Operating Lease, Liability, to be Paid Accounts Receivable Accounts Receivable [Member] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Statement of Financial Position [Abstract] Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Total initial cost Equity Method Investment, Aggregate Cost Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Total unrecognized stock-based compensation expense, unvested options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Unrecognized stock based compensation expense, unvested RSUs Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Revenue Benchmark Revenue Benchmark [Member] Weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Look back period Share-based Compensation Arrangement by Share-based Payment Award, Award Look Back Period Share-based Compensation Arrangement by Share-based Payment Award, Award Look Back Period Fiscal 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Fair value of replacement equity awards Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Unamortized issuance costs Debt Issuance Costs, Gross Issuance of common stock for founders holdbacks related to acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Transaction price allocated to remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Liabilities [Abstract] Liabilities [Abstract] Issuance of common stock under RSU and PSU release Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Fiscal 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Loss before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Auditor Location Auditor Location Segment Reporting [Abstract] Useful life Finite-Lived Intangible Asset, Useful Life Redeemable Convertible Preferred Stock Warrants Redeemable Convertible Preferred Stock Warrants [Member] Represents information pertaining to redeemable convertible preferred stock warrants. 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Number of quarterly installments for share based payment awards. Loss contingency recorded Loss Contingency Accrual Options outstanding, beginning balance, weighted average exercise price (in usd per share) Options outstanding, ending balance, weighted average exercise price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Entity Current Reporting Status Entity Current Reporting Status Indemnification Agreement Indemnification Agreement [Member] Debt financing costs, accrued but not paid Debt Financing Costs Accrued Debt Financing Costs Accrued Amortization (accretion) of marketable securities purchased at a premium (discount) Accretion (Amortization) of Discounts and Premiums, Investments Amortization of debt issuance costs Amortization of Debt Issuance Costs United States UNITED STATES Tranche Four Share-based Payment Arrangement, Tranche Four [Member] Share-based Payment Arrangement, Tranche Four Income tax payable Taxes Payable, Current Schedules of Concentration of Credit Risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Prior to February 15, 2024 Debt Instrument, Redemption, Period One [Member] Leases [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] Equipment additions Property, Plant and Equipment, Additions Subscription term Subscription Term Subscription Term Tranche Five Share-based Payment Arrangement, Tranche Five [Member] Share-based Payment Arrangement, Tranche Five Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of Accrued Payroll and Benefits Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Weighted-average shares used in computing net loss per share attributable to CrowdStrike common stockholders, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Number of votes per share Number Of Votes Per Share Represents the number of vote per share. 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Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Concentration risk, percentage Concentration Risk, Percentage Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Options outstanding, beginning balance (in shares) Options outstanding, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Trade names Trade Names [Member] IPO IPO [Member] Debt Instrument [Axis] Debt Instrument [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Reclassification, Type [Domain] Reclassification, Type [Domain] Advertising Advertising Cost [Policy Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Professional service contract amortization period Revenue Amortization Over Estimated Benefit For Sales Commission Represents the amortization over an estimated period of benefit for sales commissions associated with professional service contract. 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Equity consideration for acquisitions Stock Issued Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Other current liabilities Other current liabilities Other Liabilities, Current Total liabilities Liabilities Fiscal 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Options granted, weighted average exercise price (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options vested and expected to vest, weighted average exercise price (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Options outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Capitalized Commissions Deferred Tax Liabilities, Deferred Expense, Other Capitalized Costs Operating loss carryforwards Operating Loss Carryforwards Common stock, shares issued (in shares) Common Stock, Shares, Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Equity Method Investments Equity Method Investments [Member] Prepaid hosting services Prepaid Hosting Services Current Amount of asset related to consideration paid in advance for hosting services that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Entity Address, City or Town Entity Address, City or Town Incremental borrowing capacity Line of Credit Facility Incremental Borrowing Capacity Represents information pertaining to incremental borrowing facility. Eurodollar Eurodollar [Member] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Interest expense Interest expense Interest Expense Accrued payroll and benefits Increase (Decrease) in Employee Related Liabilities Deferred payroll taxes owed Social Security Tax, Employer, Deferral, CARES Act Social Security Tax, Employer, Deferral, CARES Act Distributor Concentration Risk Distributor Concentration Risk [Member] Reflects the percentage that revenues in the period from one or more significant distributor is to net revenues, as defined by the entity. Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Amortization of deferred contract acquisition costs Capitalized Contract Cost, Amortization Accumulated deficit Retained Earnings (Accumulated Deficit) RSUs Service Based Restricted Stock Units Vesting [Member] Represents information pertaining to service based restricted stock units vesting. Statement of Stockholders' Equity [Abstract] Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Entity Filer Category Entity Filer Category Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Concentration Risk [Table] Concentration Risk [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Payments of debt issuance costs related to Senior Notes Repayments of Lines of Credit 2026 Recorded Unconditional Purchase Obligation, to be Paid, Year Four Capitalized computer software net Capitalized Computer Software, Net Proceeds from issuance of common stock upon exercise of stock options Proceeds from Stock Options Exercised Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Total stockholders’ equity Stockholder's equity, including portion attributable to noncontrolling interest, beginning balance Stockholder's equity, including portion attributable to noncontrolling interest, ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Amendment Flag Amendment Flag Equity Components [Axis] Equity Components [Axis] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Sales and marketing Selling and Marketing Expense [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Sale of Stock [Domain] Sale of Stock [Domain] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Amortization of deferred contract acquisition costs Amortization of Deferred Contract Acquisition Costs Amount of amortization of deferred contract acquisition costs recognized in the income statement. Federal Deferred Federal Income Tax Expense (Benefit) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Other Other Countries [Member] other countries Valuation allowance increase (decrease), amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Customer A Customer A [Member] Represents the information pertaining to customer one. Product and Service [Axis] Product and Service [Axis] Preferred stock par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Entity Public Float Entity Public Float Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Short-term lease cost Short-term Lease, Cost Decreases in current period tax positions Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions After February 15, 2025 Debt Instrument, Redemption, Period Three [Member] Sales and marketing Selling and Marketing Expense Plan modification, incremental cost Share-based Payment Arrangement, Plan Modification, Incremental Cost Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Statement [Line Items] Statement [Line Items] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Weighted- Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Purchases from related party Related Party Transaction, Purchases from Related Party Domestic Tax Authority Domestic Tax Authority [Member] Capitalized Internal-Use Software and Website Development Costs Internal Use Software, Policy [Policy Text Block] Change of control event Debt Instrument, Redemption, Period Five [Member] Debt Disclosure [Abstract] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Subscription fees payable term Subscription Fees Payable, Term The typical term for payment of subscription fees. 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Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Settlement related to stockholder short-swing trade profit Payments for Settlement Related to Stockholder Short-Swing Trade Profit Payments for Settlement Related to Stockholder Short-Swing Trade Profit Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Asset Class [Axis] Asset Class [Axis] Document Annual Report Document Annual Report Share-based Payment Arrangement, Expensed and Capitalized, Amount Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Vesting [Axis] Vesting [Axis] Total assets Assets Plan Name [Domain] Plan Name [Domain] Reversal of unrealized gain upon sale of debt securities, net of tax Other Comprehensive Income (Loss), Securities, Available-for-Sale, Reversal of Unrealized Holding Gain (Loss) Arising During Period, after Tax Other Comprehensive Income (Loss), Securities, Available-for-Sale, Reversal of Unrealized Holding Gain (Loss) Arising During Period, after Tax Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Non-controlling Interest Noncontrolling Interest [Member] Research and development Research and Development Expense Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Represents information pertaining to Employee Stock Purchase Plan. Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Settlement related to stockholders short-swing trade profit Adjustments to Additional Paid in Capital, Settlements for Short Swing Trade Profit Adjustments to Additional Paid in Capital, Settlements for Short Swing Trade Profit Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Furniture and equipment Furniture and Fixtures [Member] Deferred Offering Costs Deferred Charges, Policy [Policy Text Block] Schedule of Recorded Unconditional Purchase Obligations Recorded Unconditional Purchase Obligations [Table Text Block] Unrealized gains due to changes in fair value Debt and Equity Securities, Unrealized Gain (Loss) Weighted-average shares used in computing net loss per share attributable to CrowdStrike common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Net loss per share attributable to CrowdStrike common stockholders, diluted (in dollars per share) Earnings Per Share, Diluted Alternate Base Rate Loans Alternate Base Rate Loans [Member] Represents information pertaining to alternate base rate loans. Income taxes paid, net of refunds received Income Taxes Paid, Net Non-deductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration] International Non-US [Member] Schedule of Estimated Aggregate Future Expense Finite-lived Intangible Assets Amortization Expense [Table Text Block] Total comprehensive loss attributable to CrowdStrike Comprehensive Income (Loss), Net of Tax, Attributable to Parent Additions to deferred revenue Contract with Customer, Liability, Addition to Deferred Revenue Amount of addition in deferred revenue. Contract with customer, liability, beginning balance Contract with customer, liability, beginning balance Contract with Customer, Liability Preempt Preempt Security Inc [Member] Preempt Security Inc Debt Issuance Costs Debt, Policy [Policy Text Block] Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) Shares issued (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Special Performance-based Stock Units Special Performance-based Stock Units [Member] Special Performance-based Stock Units Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accounts payable Accounts Payable, Current Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Summary of Revenue From Contracts By Type of Customer Summary of Revenue From Contracts by Type of Customer [Table Text Block] Tabular disclosure of disaggregation of revenue by type of customer. Historical volatility rate, weight Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Implied Volatility Rate, Weight Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Implied Volatility Rate, Weight Financial Instruments [Domain] Financial Instruments [Domain] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Total cost of revenue Cost of Goods and Services Sold Issuance of common stock under RSU release (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Common Class B Common Class B [Member] Professional services Professional services cost of revenue Professional Services [Member] Refers to Professional services Common Class And B Common Class And B [Member] Classification of common stock that has different rights than Common Class A and Class B, representing ownership interest in a corporation. Entity Central Index Key Entity Central Index Key TEXAS TEXAS Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Equity Incentive Plan 2019 Equity Incentive Plan2019 [Member] Represents information pertaining to 2019 Equity Incentive Plan. 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Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Fiscal 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Capitalized Contract Cost Capitalized Contract Cost [Table Text Block] Auditor Firm ID Auditor Firm ID Purchases of strategic investments Payments to Acquire Equity Method Investments Debt Redemption Terms [Axis] Debt Redemption Terms [Axis] Debt Redemption Terms Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Common stock shares issued, early exercised stock options Stock Issued During Period Shares Early Exercise of Employee Options Represents information relates to stock issued during period shares early exercise of employee options. Changes in operating assets and liabilities, net of impact of acquisitions Increase (Decrease) in Operating Capital [Abstract] Capitalized computer software impairments Capitalized Computer Software, Impairments Released (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Net exercise of common stock warrants (in shares) Stock And Warrants Issued During Period Shares Preferred Stock And Warrants Number of shares of preferred stock and warrants for common stock issued. Class of Stock [Domain] Class of Stock [Domain] Payments to acquire businesses, gross Payments to Acquire Businesses, Gross Maximum total leverage ratio Debt Instrument, Covenant, Total Leverage Ratio, Maximum Debt Instrument, Covenant, Total Leverage Ratio, Maximum Revolving line of credit Line of Credit Facility, Maximum Borrowing Capacity Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Humio Limited Humio Limited [Member] Humio Limited Strategic Investments Equity Securities without Readily Determinable Fair Value [Policy Text Block] Payments for legal settlements Payments for Legal Settlements Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Fed Funds Effective Rate Overnight Index Swap Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Other current assets Other Assets, Current Proceeds from issuance of common stock under the employee stock purchase plan Proceeds from Stock Plans Reclassification to Stockholder's Equity Reclassification to Stockholder's Equity [Member] Reclassification to Stockholder's Equity Common stock conversion ratio Stock Conversion, Common Stock Conversion Ratio Ratio applied to the conversion of one class of common stock to another. Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% [Member] Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40% Advertising expense Advertising Expense Maximum number of shares purchasable (in shares) Maximum Number Of Shares Each Participant Can Purchase During Purchase Period Annual increase to stock available for issuance as a threshold percentage of outstanding shares of Company's capital stock as of the last day of the immediately preceding fiscal year, under the plan. Provision for income taxes at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Total purchase commitments Recorded Unconditional Purchase Obligation Total property and equipment, net and operating lease right-of-use assets Property, Plant and Equipment, Net, Including Operating Lease Right-of-use Assets Property, Plant and Equipment, Net, Including Operating Lease Right-of-use Assets Cost of revenue Cost of Sales [Member] Accrued taxes Accrued Income Taxes, Current Payments of deferred offering costs Payments Of Deferred Offering Costs The cash outflow for deferred costs incurred directly with the issuance of an equity security. Foreign Current Foreign Tax Expense (Benefit) ESPP, purchase period duration Employee Stock Purchase Plan, Duration Of Purchase Period Represents the duration of purchase period under ESPP. Developed technology Developed Technology Rights [Member] Audit Information [Abstract] Audit Information Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] PSUs Performance-based Stock Units [Member] Performance-based Stock Units Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Accounting Standards Update 2014-09 [Member]