Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Minimum interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Document Type Document Type PSUs Performance-based Stock Units [Member] Performance-based Stock Units Aggregate intrinsic value of stock options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Other income, net Other Nonoperating Income (Expense) Customer A Customer A [Member] Represents the information pertaining to customer one. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Vested (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 Level 3 Fair Value, Inputs, Level 3 [Member] Swingline Swingline Facility [Member] Represents information pertaining to swingline facility. Accrued legal and accounting Accrued Legal and Accounting Expenses Accrued Legal and Accounting Expenses Statistical Measurement [Domain] Statistical Measurement [Domain] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Line of Credit Line of Credit [Member] Stock Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Capitalized amount of internal use software Capitalized Computer Software, Additions Other liabilities, noncurrent Increase (Decrease) in Other Noncurrent Liabilities 3.00% Senior Notes 3.00% Senior Notes [Member] 3.00% Senior Notes Security Exchange Name Security Exchange Name Sales and marketing Selling and Marketing Expense [Member] Loss from operations Operating Income (Loss) Payment of debt issuance costs Payments of Debt Issuance Costs Total current liabilities Liabilities, Current Maximum senior secured leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Summary of changes in deferred revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Issuance of common stock upon exercise of options (in shares) Stock Issued During Period Shares Early Stock Options Exercised, Acquisition Stock Issued During Period Shares Early Stock Options Exercised, Acquisition Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current RSUs and PSUs outstanding at beginning of period (in usd per share) RSUs and PSUs 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 Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Commitments and contingencies (Note 10) Commitments and Contingencies Incremental borrowing facility Line of Credit Facility Incremental Borrowing Capacity Represents information pertaining to incremental borrowing facility. Issuance of common stock under RSU and PSU release Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Vesting two Share-based Payment Arrangement, Tranche Two [Member] Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash acquired from acquisition Cash Acquired from Acquisition Accounting Policies [Abstract] Accounting Policies [Abstract] Contract with Customer, Liability [Line Items] Contract with Customer, Liability [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Income tax payable Taxes Payable, Current Entity Address, State or Province Entity Address, State or Province Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Proceeds from issuance of common stock under the employee stock purchase plan Proceeds from Stock Plans Cash payments Operating Lease, Payments Accounts payable Accounts Payable, Current Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Sublease income Sublease Income Payment for underwriting commissions Payment For Underwriting Commissions Payment For Underwriting Commissions Accumulated deficit Retained Earnings (Accumulated Deficit) Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Accrued commissions Accrued Sales Commission, Current Weighted-Average Remaining  Useful Life Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Commission amortization period Revenue Amortization Over Estimated Benefit For Commission Including Referral Fees Paid Represents the amortization over an estimated period of benefit for commissions, including referral fees paid to channel partner. 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Class B common stock Common Class B [Member] Net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Options outstanding at beginning of period (in shares) Options outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Related party purchases Related Party Transaction, Purchases from Related Party 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Schedule of company's fair value hierarchy for its financial assets and liabilities that are measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Percentage of eligible compensation Employee Stock Purchase Plan, Percentage Of Eligible Compensation 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. Customer [Axis] Customer [Axis] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Preferred stock, $0.0005 par value; 100,000 shares authorized as of October 31, 2021 and January 31, 2021; no shares issued and outstanding as of October 31, 2021 and January 31, 2021 Preferred Stock, Value, Issued Total lease cost Lease, Cost Total operating expenses Operating Expenses Options exercisable at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Payments of financing costs Payments of Financing Costs Deferred contract acquisition costs Increase Decrease in Deferred Contract Acquisition Costs Amount of increase (decrease) in deferred contract acquisition costs. Deferred income tax asset, noncurrent Deferred Income Tax Assets, Net Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other liabilities, noncurrent Other Liabilities, Noncurrent Cost of revenue Cost of Revenue [Abstract] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Document Information [Table] Document Information [Table] Channel Partners Sales Channel, Through Intermediary [Member] Effect of foreign exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Measurement Frequency [Domain] Measurement Frequency [Domain] Vesting three Share-based Payment Arrangement, Tranche Three [Member] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Concentration risk, percentage Concentration Risk, Percentage Business Acquisition [Axis] Business Acquisition [Axis] Amortization of deferred contract acquisition costs Capitalized Contract Cost, Amortization Geographical [Domain] Geographical [Domain] Minimum commitment Long-term Purchase Commitment, Amount Statement [Line Items] Statement [Line Items] 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] 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 Class of Stock [Domain] Class of Stock [Domain] Prepaid marketing Prepaid Marketing Prepaid Marketing Accrued interest expense Interest Payable, Current Acquisition related costs Business Combination, Acquisition Related Costs Subscription term Subscription Term Subscription Term Statement [Table] Statement [Table] RSUs and PSUs expected to vest 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. Statistical Measurement [Axis] Statistical Measurement [Axis] Credit Facility [Axis] Credit Facility [Axis] Debt instrument, fair value Debt Instrument, Fair Value Disclosure 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 Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Other current liabilities Other Current Liabilities [Table Text Block] Foreign Tax Authority Foreign Tax Authority [Member] Entity Small Business Entity Small Business Principles of Consolidation Consolidation, Policy [Policy Text Block] Stockholders' Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Summary of prepaid expenses and other current assets Summary of prepaid expenses and other current assets [Table Text Block] Tabular disclosure of amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Data center and other computer equipment Data Center And Other Computer Equipment [Member] Represents the information pertaining to data center and other computer equipment. Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Weighted-average remaining contractual term of options vested and exercisable (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Prepaid expenses Prepaid Expense, Current Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Goodwill [Roll Forward] Goodwill [Roll Forward] Amendment Flag Amendment Flag Schedule of computation of basic and diluted net loss per share attributable to common stockholders" Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Plus "Make Whole" Premium Plus "Make Whole" Premium [Member] Plus "Make Whole" Premium Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] 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. Unrecognized tax benefits including interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Maximum number of shares of common stock that may be issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Schedule of recognized identified assets acquired and liabilities assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Remaining contractual commitment Purchase Commitment, Remaining Minimum Amount Committed Unused standby letter of credit Long-term Line of Credit Austin, Texas TEXAS Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Measurement Frequency [Axis] Measurement Frequency [Axis] Accrued Expenses Accrued Liabilities, Current [Abstract] Capitalized internal-use software and website development Payments to Develop Software Financial Instruments [Domain] Financial Instruments [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Schedule of total intangible assets, net Schedule of Finite-Lived Intangible Assets [Table Text Block] Senior Notes Senior Notes [Member] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Geographical [Axis] Geographical [Axis] Non-cash operating lease cost Non-cash operating lease cost, amortization and interest Non-cash operating lease cost, amortization and interest Subsequent Events Subsequent Events [Text Block] Weighted average price (in dollars per share) Business Combination, Contingent Consideration, Weighted Average Price Per Share Business Combination, Contingent Consideration, Weighted Average Price Per Share Finite-Lived 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Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Number of quarterly installments Share Based Compensation Arrangement by Share Based Payment Award Number of Quarterly Installments Number of quarterly installments for share based payment awards. 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Four Finite-Lived Intangible Assets, Amortization Expense, after Year Four Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Accrued marketing Accrued Marketing Costs, Current Accrued bonuses Accrued Bonuses, Current Amortization of intangible assets Amortization of Intangible Assets Schedule of component of lease costs Lease, Cost [Table Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Other long-term assets Other long-term assets Other Assets, Noncurrent Plan Name [Axis] Plan Name [Axis] Issuance of common stock for founders holdbacks related to acquisitions Stock Issued During Period, Value, New Issues Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Issuance of common stock under RSU release (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Concentration Risk [Table] Concentration Risk [Table] Total assets Assets Related Party Transactions Related Party Transactions Disclosure [Text Block] Interest expense, amortization of debt issuance costs and accretion of debt discount Interest Expense, Debt RSUs and PSUs outstanding at beginning of period (in shares) RSUs and PSUs outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Summary of accrued expenses Schedule of Accrued Liabilities [Table Text Block] Change in fair value of strategic investments Equity Securities, FV-NI, Gain (Loss) Intangible assets, net Net Amount Finite-Lived Intangible Assets, Net Weighted-average grant date fair value of options granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Accrued taxes Accrued Income Taxes, Current Subsequent Event Type [Axis] Subsequent Event Type [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Cost of revenue Cost of Sales [Member] Chief Executive Officer Chief Executive Officer [Member] Concentration of Credit Risk and Geographic Information Concentration Risk, Credit Risk, Policy [Policy Text Block] Vesting [Domain] Vesting [Domain] 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. Unrealized gains due to changes in fair value Equity Method Investment, Capitalized Unrealized Gain (Loss) Equity Method Investment, Capitalized Unrealized Gain (Loss) Interest expense Interest Expense Schedule of other assets, noncurrent Schedule of Other Assets, Noncurrent [Table Text Block] Other current liabilities Other Miscellaneous Liabilities, Current Other Miscellaneous Liabilities, Current Web hosting services Web Hosting Services Current The carrying amount as of the balance sheet date of web hosting services. Other acquired intangible assets Other Intangible Assets [Member] Product and Service [Axis] Product and Service [Axis] Total liabilities Liabilities Expected to be amortized over weighted-average vesting period (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Expected stock price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Revenue included in the contract liability balance Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Level 1 Fair Value, Inputs, Level 1 [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accounts payable Increase (Decrease) in Accounts Payable Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Direct Customers Sales Channel, Directly to Consumer [Member] A&R Credit Agreement A&R Credit Agreement [Member] A&R Credit Agreement Debt Instrument [Axis] Debt Instrument [Axis] Additional Paid-in Capital Additional Paid-in Capital [Member] Summary of revenue by region based on the shipping address of customers Summary of revenue by region based on the shipping address of customers [Table Text Block] Tabular disclosure of disaggregation of revenue by region. Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Strategic investments Carrying value Equity Method Investments Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Variable lease cost Variable Lease, Cost Accrued Payroll and Benefits Employee-related Liabilities, Current [Abstract] Revolving line of credit Revolving Credit Facility [Member] Loss before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Research and development Research and Development Expense Subsequent Event Subsequent Event [Member] Options outstanding at beginning of period (in usd per share) Options outstanding at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Channel partner B Channel Partner B [Member] Channel Partner B Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized Voting equity interest acquired Business Acquisition, Percentage of Voting Interests Acquired Concentration Risk Type [Axis] Concentration Risk Type [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Proceeds from issuance of common stock upon exercise of stock options Proceeds from Stock Options Exercised Amazon Web Services Amazon Web Services [Member] Amazon Web Services Value of common stock related to early exercised stock options subject to repurchase Sharebased Compensation Arrangement By Sharebased Payment Award Options Value Related To Early Exercised Stock Options Subject To Repurchase Value of common stock related to early exercised stock options subject to repurchase. Vesting five Share-based Payment Arrangement, Tranche Five [Member] Share-based Payment Arrangement, Tranche Five 2023 Recorded Unconditional Purchase Obligation, to be Paid, Year One Accrued payroll and benefits Increase (Decrease) in Employee Related Liabilities Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Issuance of common stock upon exercise of options (in shares) Stock Issued During Period Shares Early Stock Options Exercised Number of early share options (or share units) exercised during the current period. Operating lease liabilities, noncurrent Operating Lease, Liability, Noncurrent 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Use of Estimates Use of Estimates, Policy [Policy Text Block] Depreciation and amortization Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs Amount of depreciation and amortization excluding amortization of intangible assets and deferred contract acquisition costs. Current assets: Assets, Current [Abstract] Income Tax Authority [Domain] Income Tax Authority [Domain] Maximum number of additional shares of common stock that may be issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares To Be Authorized, Maximum Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares To Be Authorized, Maximum Total comprehensive loss attributable to CrowdStrike Comprehensive Income (Loss), Net of Tax, Attributable to Parent Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Beginning balance Ending balance Total deferred contract acquisition costs Capitalized Contract Cost, Net Asia Pacific Asia Pacific [Member] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Income Tax Authority [Axis] Income Tax Authority [Axis] Document Period End Date Document Period End Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Contingent consideration related to business combinations Business Combination, Contingent Consideration, Liability Percentage of original principal amount Debt Instrument, Redemptions, Percentage of Original Principal Amount Debt Instrument, Redemptions, Percentage of Original Principal Amount Liability recorded Loss Contingency Accrual Remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Offering period Employee Stock Purchase Plan Offering Period Represents the duration of offering period under ESPP. Net loss Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Preempt Preempt Security Inc [Member] Preempt Security Inc Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 2019 Plan Equity Incentive Plan2019 [Member] Represents information pertaining to 2019 Equity Incentive Plan. Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secure Circle Secure Circle, LLC [Member] Secure Circle, LLC Cover [Abstract] Goodwill acquired Goodwill, Acquired During Period Channel partner A Channel Partner A [Member] Channel Partner A 2025 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Leases Lessee, Operating Leases [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Service-based vesting Service Based Restricted Stock Units Vesting [Member] Represents information pertaining to service based restricted stock units vesting. Additions to deferred revenue Contract with Customer, Liability, Addition to Deferred Revenue Amount of addition in deferred revenue. Amortization of marketable securities purchased at a premium Accretion (Amortization) of Discounts and Premiums, Investments Customer relationships Customer Relationships [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total cost of revenue Cost of Goods and Services Sold Sunnyvale, California CALIFORNIA Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Equity Components [Axis] Equity Components [Axis] Other assets, noncurrent Other Miscellaneous Assets, Noncurrent Other Miscellaneous Assets, Noncurrent Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] Number of vesting schedules Vesting Schedule, Number Number of vesting schedules. Balance Sheet Location [Domain] Balance Sheet Location [Domain] Implied 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 Operating lease liabilities, current Operating Lease, Liability, Current Liabilities accrued Standard and Extended Product Warranty Accrual Total unrecognized stock-based compensation expenses related to unvested RSUs/PSUs Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Thereafter Recorded Unconditional Purchase Obligation, to be Paid, after Year Four Recorded Unconditional Purchase Obligation, to be Paid, after Year Four Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest 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 Schedule of assumptions used to estimate fair value on date of grant Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Accrued payroll and related expenses Accrued Salaries, Current Entity Interactive Data Current Entity Interactive Data Current United States UNITED STATES Exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Revenue Revenues [Abstract] Deposits, noncurrent Deposits Assets, Noncurrent Investments and Fair Value Measurements Fair Value Disclosures [Text Block] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Schedule of stock option activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Accounts receivable Accounts Receivable [Member] Denominator: Denominator [Abstract] Denominator Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Maturities of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Commitment fee Line of Credit Facility, Commitment Fee Percentage Fiscal 2022 (remaining three months) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Customers Customer [Domain] Entity Registrant Name Entity Registrant Name Subsequent Event Type [Domain] Subsequent Event Type [Domain] 2024 Recorded Unconditional Purchase Obligation, to be Paid, Year Two Impairment loss Capitalized Contract Cost, Impairment Loss Business Acquisition [Line Items] Business Acquisition [Line Items] Options unvested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Assets Assets, Fair Value Disclosure [Abstract] Concentration Risk [Line Items] Concentration Risk [Line Items] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Summary of changes in strategic investments Schedule of Strategic Investments [Table Text Block] Schedule of Strategic Investments Fair value of replacement equity awards attributable to pre-acquisition service Adjustments to Additional Paid in Capital, Fair Value of Replacement Equity Awards Attributable to Pre-Acquisition Service Adjustments to Additional Paid in Capital, Fair Value of Replacement Equity Awards Attributable to Pre-Acquisition Service Numerator: Numerator [Abstract] Numerator Weighted-Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Number of reportable segments Number of Reportable Segments Maximum total leverage ratio Debt Instrument, Covenant, Total Leverage Ratio, Maximum Debt Instrument, Covenant, Total Leverage Ratio, Maximum Debt Redemption Terms [Domain] Debt Redemption Terms [Domain] Debt Redemption Terms [Domain] Vesting of early exercised stock options Adjustments to Additional Paid in Capital Share Based Compensation Vesting of Early Exercised Options Amount of increase to additional paid-in capital (APIC) for vesting of early exercised options. Research and development Research and Development Expense [Member] RSUs and PSUs expected to vest at end of period (in shares) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Expected to Vest Number The number of non-vested equity-based payment instruments expected to vest, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Accounts receivable, net of allowance for credit losses of $1.3 million and $1.2 million as of October 31, 2021 and January 31, 2021, respectively Accounts Receivable, after Allowance for Credit Loss, Current Commitment to spend Recorded Unconditional Purchase Obligation, Amount of Maturities and Sinking Fund Requirements Total operating lease payments Lessee, Operating Lease, Liability, to be Paid Recognition of deferred revenue Contract with Customer, Liability, Recognition of Deferred Revenue Amount of recognition of deferred revenue. Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Eurodollar Loans Eurodollar Loans [Member] Represents information pertaining to Eurodollar loans. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Summary of noncancelable purchase obligations Recorded Unconditional Purchase Obligations [Table Text Block] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Purchase price, threshold percentage of fair market value Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Balance Sheet Components Balance Sheet Components [Text Block] The entire disclosure for balance sheet components of the entity. Operating lease liabilities arising from obtaining operating right of-use assets Operating Lease Liabilities Arising From Obtaining Operating Right of-use Assets Operating Lease Liabilities Arising From Obtaining Operating Right of-use Assets Contingent consideration vesting period Business Combination, Contingent Consideration, Vesting Period Business Combination, Contingent Consideration, Vesting Period Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Goodwill Document Transition Report Document Transition Report Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Title of Individual [Axis] Title of Individual [Axis] Income Tax Examination [Table] Income Tax Examination [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Special PSUs Special Performance-based Stock Units [Member] Special Performance-based Stock Units Aggregate principal amount Debt Instrument, Face Amount Level 2 Fair Value, Inputs, Level 2 [Member] Other current assets Other Assets, Current Shares of common stock subject to repurchase from outstanding stock options Stock Repurchase From Outstanding Stock Options [Member] Represents information pertaining to repurchase from outstanding stock options. Deferred payroll taxes Social Security Tax, Employer, Deferral, CARES Act Social Security Tax, Employer, Deferral, CARES Act Document Quarterly Report Document Quarterly Report Schedule of goodwill Schedule of Goodwill [Table Text Block] Vesting [Axis] Vesting [Axis] Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Accounts receivable associated with related parties Accounts Receivable, Related Parties General and administrative General and Administrative Expense [Member] Total assets Assets, Fair Value Disclosure Europe, Middle East, and Africa EMEA [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Supplemental disclosure of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Threshold percentage of outstanding shares Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum Deferred revenue Contract with Customer, Liability, Current Subsequent Event [Line Items] Subsequent Event [Line Items] Granted (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Customers Customer Concentration Risk [Member] Options vested and expected to vest at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Credit Facility [Domain] Credit Facility [Domain] Weighted-average shares used in computing net loss per share attributable to Crowdstrike common stockholders, diluted (in shares) Weighted-average shares used in computing net loss per share attributable to Crowdstrike, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Letter of credit Letter of Credit [Member] Net loss per share attributable to Crowdstrike common stockholders, basic (in dollars per share) Net loss per share attributable to Crowdstrike, basic (in dollars per share) Earnings Per Share, Basic Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Debt Instrument, Redemption, Period Five Debt Instrument, Redemption, Period Five [Member] Entity File Number Entity File Number RSUs and PSUs subject to future vesting RSU and PSU [Member] RSU and PSU Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other Current Liabilities Other Current Liabilities [Member] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Professional services contract amortization 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. Sales and marketing Selling and Marketing Expense Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Capital contributions from non-controlling interest holders Proceeds from Noncontrolling Interests Transaction price allocated to remaining performance obligations Revenue, Remaining Performance Obligation, Amount Total stock-based compensation expense Share-based Payment Arrangement, Expense Gross unrecognized tax benefits Unrecognized Tax Benefits Balance Sheet Location [Axis] Balance Sheet Location [Axis] Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Total revenue Revenue from Contract with Customer, Including Assessed Tax Class A common stock, $0.0005 par value; 2,000,000 shares authorized as of October 31, 2021 and January 31, 2021; 208,121 shares and 195,039 shares issued and outstanding as of October 31, 2021 and January 31, 2021, respectively; Class B common stock, $0.0005 par value; 300,000 shares authorized as of October 31, 2021 and January 31, 2021; 21,176 shares and 28,685 shares issued and outstanding as of October 31, 2021 and January 31, 2021, respectively. Common Stock, Value, Issued Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Vesting four Share-based Payment Arrangement, Tranche Four [Member] Share-based Payment Arrangement, Tranche Four Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Aggregate intrinsic value of options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Summary of the activity of deferred contract acquisition costs Capitalized Contract Cost [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status 2026 Recorded Unconditional Purchase Obligation, to be Paid, Year Four ABR Loans Alternate Base Rate Loans [Member] Represents information pertaining to alternate base rate loans. Equipment purchased but not yet placed into service Property, Plant and Equipment, Additions Amortization expense associated with internal use software Capitalized Computer Software, Amortization Subsequent Event [Table] Subsequent Event [Table] Purchases of marketable securities Payments to Acquire Debt Securities, Available-for-sale Non-controlling interest Noncontrolling Interest, Increase from Contribution Noncontrolling Interest, Increase from Contribution Net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Non-controlling interest Stockholders' Equity Attributable to Noncontrolling Interest Granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Eurodollar rate Eurodollar [Member] Present value of operating lease liabilities Operating Lease, Liability Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Capitalization of contract acquisition costs Capitalized Contract Cost, Amount Capitalized Amount capitalized to contract costs. Net book value of capitalized internal use software Capitalized Computer Software, Net Long-term debt Long-term Debt, Excluding Current Maturities Accounts receivable, net Increase (Decrease) in Accounts Receivable Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total CrowdStrike Holdings, Inc. stockholders’ equity Stockholders' Equity Attributable to Parent Total consideration transferred Business Combination, Consideration Transferred Concentration Risk Type [Domain] Concentration Risk Type [Domain] Total liabilities and stockholders’ equity Liabilities and Equity Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Schedule of concentration of credit risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Plan modification, incremental cost Share-based Payment Arrangement, Plan Modification, Incremental Cost Accrued payroll and benefits Accrued payroll and benefits Employee payroll contributions accrued Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Purchase of intangible assets Payments to Acquire Intangible Assets RSUs Restricted Stock Units (RSUs) [Member] Operating lease cost Operating Lease, Cost General and administrative General and Administrative Expense Financial Instrument [Axis] Financial Instrument [Axis] Potential common shares excluded from diluted net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Non-cash interest expense Other Noncash Income (Expense) Short-term lease cost Short-term Lease, Cost Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Useful lives Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Reversal of unrealized gain upon sale of debt securities, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Gross profit Gross Profit Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Construction in process Construction in Progress [Member] Entity Tax Identification Number Entity Tax Identification Number Stock-Based Compensation Share-based Payment Arrangement [Text Block] Net loss attributable to CrowdStrike Net loss attributable to Class A and Class B CrowdStrike common stockholders Net Income (Loss) Attributable to Parent Changes in operating assets and liabilities, net of impact of acquisitions Increase (Decrease) in Operating Capital [Abstract] Other current liabilities Other current liabilities Other Liabilities, Current Fiscal 2022 (remaining three months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year LIBOR London Interbank Offered Rate (LIBOR) [Member] Other comprehensive loss Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Trade names Trade Names [Member] 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. Leases [Abstract] Operating lease liabilities Increase (Decrease) in Operating Lease Liability Increase (Decrease) in Operating Lease Liability Other Other Countries [Member] other countries Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Humio Limited Humio Limited [Member] Humio Limited Operating expenses Operating Expenses [Abstract] Less: Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Earnings Per Share [Abstract] Earnings Per Share [Abstract] Contract with Customer, Liability [Table] Contract with Customer, Liability [Table] Disclosure of information about contract with customer, liability. 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% Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Number of increases in contribution Share-based Payment Arrangement, Plan Modification, Number of Contribution Changes Share-based Payment Arrangement, Plan Modification, Number of Contribution Changes Accrued purchases of property and equipment Accrued Purchases Of Property And Equipment The carrying amount as of the balance sheet date of accrued purchases of property, plant and equipment. Payment terms Revenue, Contract Liabilities, Payment Terms Revenue, Contract Liabilities, Payment Terms Stockholders’ Equity Stockholders' Equity Attributable to Parent [Abstract] Identified intangible assets Fair Value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Developed technology Developed Technology Rights [Member] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus 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. Capitalized internal-use software and website development Software Development [Member] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Purchase of strategic investments Payments To Acquire Equity Securities FvNi Payments To Acquire Equity Securities FvNi Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Maximum total leverage ratio, stepped down Debt Instrument, Covenant, Total Leverage Ratio, Stepped Down, Maximum Debt Instrument, Covenant, Total Leverage Ratio, Stepped Down, Maximum Total initial cost Equity Method Investment, Aggregate Cost Redemption percentage Debt Instrument, Redemption Price, Percentage 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 Schedule of stock-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Gain on sale of debt securities, net Debt and Equity Securities, Realized Gain (Loss) Common Stock Common Stock [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Impairments of internal use software Capitalized Computer Software, Impairments Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Deferred contract acquisition costs, current Capitalized Contract Cost, Net, Current Prepaid software licenses Prepaid Software Licenses, Current Prepaid Software Licenses, Current Deferred finance cost, noncurrent Deferred Costs, Noncurrent Shares issued Business Combination, Contingent Consideration, Shares Issued Business Combination, Contingent Consideration, Shares Issued Share-based payment arrangement, restricted stock unit, performance stock unit, and special performance stock unit award, activity Share-based Payment Arrangement, Restricted Stock Unit, Performance Stock Unit, and Special Performance Stock Unit Award, Activity [Table Text Block] Share-based Payment Arrangement, Restricted Stock Unit, Performance Stock Unit, and Special Performance Stock Unit Award, Activity Property, plant and equipment Property, Plant and Equipment [Table Text Block] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Tax reclassifications Unrecognized Tax Benefits, Reclassification Of Long-term To Short-term Unrecognized Tax Benefits, Reclassification Of Long-term To Short-term Issuance of common stock for founders holdbacks related to acquisitions (in shares) Stock Issued During Period, Shares, New Issues Leasehold improvements Leasehold Improvements [Member] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Money market funds Money Market Funds [Member] Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Class A common stock Class A common stock Common Class A [Member] Issuance of common stock upon exercise of options (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Related Party Transactions [Abstract] Related Party Transactions [Abstract] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Acquisitions Business Combination Disclosure [Text Block] Movement in Deferred Contract Acquisition Costs [Roll Forward] Movement in Deferred Contract Acquisition Costs [Roll Forward] Movement in Deferred Contract Acquisition Costs Summary of future minimum payments under noncancelable operating leases Lessee, Operating Lease, Liability, Maturity [Table Text Block] Capitalized stock-based compensation Adjustments to Additional Paid in Capital Capitalized Share Based Compensation Requisite Service Period Recognition Value Amount of increase to additional paid-in capital (APIC) for recognition of capitalized cost for award under share-based payment arrangement. Stock options Shares of common stock issuable from stock options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Equity consideration for acquisitions Stock Issued Weighted-average shares used in computing net loss per share attributable to Crowdstrike common stockholders, basic (in shares) Weighted-average shares used in computing net loss per share attributable to Crowdstrike, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Margin Debt Instrument, Basis Spread on Variable Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Debt Redemption Terms [Axis] Debt Redemption Terms [Axis] Debt Redemption Terms Subsequent Events [Abstract] Canceled (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Document Information [Line Items] Document Information [Line Items] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Historical volatility rate, weight Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Historical Volatility Rate, Weight Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Historical Volatility Rate, Weight Plan Name [Domain] Plan Name [Domain] Percentage of revenue Percentage of Revenue Represents the percentage of revenue. Revenue, Deferred Revenue and Remaining Performance Obligations Revenue from Contract with Customer [Text Block] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Operating lease liabilities arising from obtaining operating right of-use assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Professional services Professional Services [Member] Refers to Professional services Additional paid-in capital Additional Paid in Capital 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Class of Stock [Axis] Class of Stock [Axis] Provision for income taxes Income Tax Expense (Benefit) Performance Adjustment (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment, Weighted Average Grant Date Fair Value Income taxes paid, net of refunds received Income Taxes Paid, Net Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Title of Individual [Domain] Title of Individual [Domain] Accrued expenses Accrued expenses Accrued Liabilities, Current Net loss per share attributable to Crowdstrike common stockholders, diluted (in dollars per share) Net loss per share attributable to Crowdstrike, diluted (in dollars per share) Earnings Per Share, Diluted Proceeds from sales of marketable securities Proceeds from Sale of Debt Securities, Available-for-sale Local Phone Number Local Phone Number Payments to acquire businesses, gross Payments to Acquire Businesses, Gross Total purchase commitments Recorded Unconditional Purchase Obligation Fiscal 2022 (remaining three months) Recorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Purchased software Purchased Software [Member] Purchased software for sale, licensing or long-term use. Schedule of estimated aggregate future amortization expense of intangible assets Finite-lived Intangible Assets Amortization Expense [Table Text Block] Fair value of replacement equity awards Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Vesting one Share-based Payment Arrangement, Tranche One [Member] Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Movement in Deferred Revenue [Roll Forward] Movement in Deferred Revenue [Roll Forward] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Beginning Balance Ending Balance Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Debt Instrument, Redemption, Period Four Debt Instrument, Redemption, Period Four [Member] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Duration of purchase periods Employee Stock Purchase Plan, Duration Of Purchase Period Represents the duration of purchase period under ESPP. Award Type [Axis] Award Type [Axis] Weighted- Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Maximum Maximum [Member] Federal funds rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Non-controlling Interest Noncontrolling Interest [Member] Furniture and equipment Furniture And Equipment [Member] Represents the information pertaining to furniture and equipment. Accumulated Deficit Retained Earnings [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Effective tax rate Effective Income Tax Rate Reconciliation, Percent 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] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Weighted-average remaining contractual term of stock options outstanding (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Domain] Award Type [Domain] Net increase in property and equipment included in accounts payable and accrued expenses Capital Expenditures Incurred (Paid) Capital Expenditures Incurred (Paid) Summary of accrued payroll and benefits Summary of accrued payroll and benefits [Table Text Block] Tabular disclosure of Accrued payroll and benefits current. Trading Symbol Trading Symbol Revenue from subscriptions and professional services from related parties Revenue from Related Parties Options exercisable at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price RSU, PSU and Special PSU RSU, PSU and Special PSU [Member] RSU, PSU and Special PSU Customer deposits Deposit Liability, Current Subscription Subscription and Circulation [Member] Net Loss Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Maximum number of shares each participant can purchase during purchase period (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. Number of purchase periods Employee Stock Purchase Plan, Number Of Purchase Period Represents the number of purchase periods under ESPP. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Recurring Fair Value, Recurring [Member] Options vested and expected to vest at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Business Combination And Asset Acquisition [Abstract] Business Combination And Asset Acquisition Recently Adopted and Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]