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Issuance of common stock for payment of board of director fees (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture Current liabilities: Liabilities, Current [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. Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.0005 par value; 100,000 shares authorized as of April 30, 2024 and January 31, 2024; no shares issued and outstanding as of April 30, 2024 and January 31, 2024. Preferred Stock, Value, Issued 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] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Payment for underwriting commissions Payment For Underwriting Commissions Payment For Underwriting Commissions Impairment of property and equipment Impairment, Long-Lived Asset, Held-for-Use Net income per share attributable to CrowdStrike common stockholders, diluted (in usd per share) Net income per share attributable to Class A and Class B CrowdStrike common stockholders, diluted (in usd per share) Earnings Per Share, Diluted Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accounts receivable, net of allowance for credit losses of $2.1 million and $2.2 million as of April 30, 2024 and January 31, 2024, respectively Accounts Receivable, after Allowance for Credit Loss, Current Goodwill [Roll Forward] Goodwill [Roll Forward] 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 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. 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Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Debt instrument, fair value Debt Instrument, Fair Value Disclosure Common stock, shares issued (in shares) Common Stock, Shares, Issued Equity consideration for acquisitions Business Combination, Consideration Transferred Released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Gross profit Gross Profit Commitment fee Line of Credit Facility, Commitment Fee Percentage Deferred revenue Contract with Customer, Liability, Current Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Options unvested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Security Exchange Name Security Exchange Name Total assets Assets, Fair Value Disclosure Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Stock Options Shares of common stock issuable from stock options Employee Stock Option [Member] Schedule of Estimated Aggregate Future Amortization Expense of Intangible Assets Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Class A common stock Class A common stock Common Class A [Member] Expected to be amortized over weighted-average vesting period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Maximum Maximum [Member] Total comprehensive income attributable to CrowdStrike Comprehensive Income (Loss), Net of Tax, Attributable to Parent Document Type Document Type Goodwill acquired Goodwill, Acquired During Period Europe, Middle East, and Africa EMEA [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Web hosting services Web Hosting Services Current The carrying amount as of the balance sheet date of web hosting services. 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Measurement Frequency [Domain] Measurement Frequency [Domain] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Title of Individual [Axis] Title of Individual [Axis] Accrued bonuses Accrued Bonuses, Current Plan Name [Axis] Plan Name [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Sales and marketing Selling and Marketing Expense Class A common stock, $0.0005 par value; 2,000,000 shares authorized as of April 30, 2024 and January 31, 2024; 230,676 shares and 229,380 shares issued and outstanding as of April 30, 2024 and January 31, 2024, respectively; Class B common stock, $0.0005 par value; 300,000 shares authorized as of April 30, 2024 and January 31, 2024; 12,508 shares and 12,485 shares issued and outstanding as of April 30, 2024 and January 31, 2024, respectively. Common Stock, Value, Issued Redemption percentage Debt Instrument, Redemption Price, Percentage General and administrative General and Administrative Expense Proceeds from sales of strategic investments Proceeds from Sale of Long-Term Investments Accrued professional services Accrued Professional Fees, Current 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. Other accrued expenses Other Accrued Liabilities Senior Notes Senior Notes [Member] Total current assets Assets, Current Number of patents allegedly infringed upon by company Loss Contingency, Patents Allegedly Infringed, Number Contingent consideration related to business combinations Business Combination, Contingent Consideration, Liability Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Other income, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Number of vesting schedules Vesting Schedule, Number Number of vesting schedules. 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interest and penalties that would affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Total purchase commitments Recorded Unconditional Purchase Obligation Purchases of intangible assets included in accrued expenses and other liabilities Noncash or Part Noncash Acquisition, Intangible Assets Acquired Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] RSUs and PSUs expected to vest (in usd per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest, Weighted Average Grant Date Fair Value Upward price adjustment Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Revenue included in the contract liability balance Contract with Customer, Liability, Revenue Recognized Restricted cash included in prepaid expenses and other assets Restricted Cash and Cash Equivalents Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Accrued commissions Accrued Sales Commission, Current Stock-based compensation included in capitalized software development costs and fixed assets Stock-Based Compensation Included In Capitalized Software Development Costs And Fixed Assets Stock-Based Compensation Included In Capitalized Software Development Costs And Fixed Assets Recognition of deferred revenue Contract with Customer, Liability, Recognition of Deferred Revenue Amount of recognition of deferred revenue. Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Bionic Bionic [Member] Bionic Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Level 2 Fair Value, Inputs, Level 2 [Member] Balance Sheet Components Balance Sheet Components [Text Block] The entire disclosure for balance sheet components of the entity. Entity Emerging Growth Company Entity Emerging Growth Company Purchases of strategic investments Payments to Acquire Equity Securities, FV-NI Special PSUs Special Performance-Based Stock Units [Member] Special Performance-Based Stock Units Net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Useful lives Finite-Lived Intangible Asset, Useful Life Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Antidilutive Securities [Axis] Antidilutive Securities [Axis] 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 Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Debt Instrument, Redemption, Period Five Debt Instrument, Redemption, Period Five [Member] Accrued Payroll and Benefits Employee-related Liabilities, Current [Abstract] Common Stock Common Stock [Member] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net Income Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] Total stockholders’ equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Accrued marketing Accrued Marketing Costs, Current RSUs and PSUs subject to future vesting RSU And PSU [Member] RSU And PSU 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. Interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Minimum Minimum [Member] Depreciation and amortization Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs, Less Loss on Disposal of Fixed Assets Depreciation And Amortization Excluding Intangible Assets And Deferred Contract Acquisition Costs, Less Loss on Disposal of Fixed Assets Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Common stock shares issued, early exercised stock options (in shares) Stock Issued During Period, Shares, Early Exercise of Employee Options Represents information relates to stock issued during period shares early exercise of employee options. Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets Assets [Abstract] Operating lease liabilities Increase (Decrease) in Operating Lease Liability Vesting Four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest U.S. Treasury securities US Treasury Securities [Member] Income taxes paid, net of refunds received Income Taxes Paid, Net Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Issuance of common stock for payment of board of director fees Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Voting equity interest acquired Business Acquisition, Percentage of Voting Interests Acquired Developed technology Developed Technology Rights [Member] Accumulated Deficit Retained Earnings [Member] Number of patents allegedly infringed upon by counterparty Gain Contingency, Patents Allegedly Infringed upon, Number ABR Loans Alternate Base Rate Loans [Member] Represents information pertaining to alternate base rate loans. Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Accretion of short-term investments purchased at a discount Accretion (Amortization) of Discounts and Premiums, Investments Total liabilities and stockholders’ equity Liabilities and Equity Other long-term assets Other Assets, Noncurrent Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Net income per share attributable to CrowdStrike common stockholders, basic (in usd per share) Net income per share attributable to Class A and Class B CrowdStrike common stockholders, basic (in usd per share) Earnings Per Share, Basic Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Total unrecognized stock-based compensation expenses related to unvested options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Non-controlling interest Noncontrolling Interest, Increase from Contribution Noncontrolling Interest, Increase from Contribution Total intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Privately held debt and other securities Privately Held Debt And Other Securities [Member] Privately Held Debt And Other Securities Entity Address, City or Town Entity Address, City or Town Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Accrued Expenses, Employee Stock Purchase Plan Equity consideration for acquisitions Stock Issued Principles of Consolidation Consolidation, Policy [Policy Text Block] Document Transition Report Document Transition Report Downward price adjustment Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Accounts payable Increase (Decrease) in Accounts Payable Common stock, shares authorized (in shares) Common Stock, Shares Authorized Amortization expense associated with internal use software Capitalized Computer Software, Amortization Document Information [Table] Document Information [Table] Capital contributions from non-controlling interest holders Proceeds from Noncontrolling Interests 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 assets Other Assets, Fair Value Disclosure Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Threshold percentage of outstanding shares Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Title of Individual [Domain] Title of Individual [Domain] RSUs and PSUs expected to vest (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest Number Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested And Expected To Vest Number Less: Comprehensive income attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Realized gains on strategic investments Gain (Loss) on Investments Additional paid-in capital Additional Paid in Capital Executive Officer Executive Officer [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] 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 Deferred income taxes Deferred Income Tax Expense (Benefit) Document Information [Line Items] Document Information [Line Items] Other Other Countries [Member] other countries Proceeds from the issuance of common stock upon exercise stock options Proceeds from Stock Options Exercised Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [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% Vesting Three Share-Based Payment Arrangement, Tranche Three [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] 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 Canceled (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 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 Aggregate intrinsic value of stock options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] 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. Entity Registrant Name Entity Registrant Name 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Vesting Two Share-Based Payment Arrangement, Tranche Two [Member] Cost of revenue Cost of Sales [Member] Non-controlling interest Equity, Attributable to Noncontrolling Interest Document Period End Date Document Period End Date Maximum total leverage ratio, stepped down Debt Instrument, Covenant, Total Leverage Ratio, Stepped Down, Maximum Debt Instrument, Covenant, Total Leverage Ratio, Stepped Down, Maximum Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Issuance of common stock under RSU and PSU release Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures 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] 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 2027 Recorded Unconditional Purchase Obligation, to be Paid, Year Two Entity Central Index Key Entity Central Index Key Total stock-based compensation expense Share-Based Payment Arrangement, Expense Shares issued Business Combination, Contingent Consideration, Shares Issued Business Combination, Contingent Consideration, Shares Issued Gross Carrying Amount Finite-Lived Intangible Assets, Gross Provision for income taxes Income tax expense Income Tax Expense (Benefit) Schedule of 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 Accrued payroll and benefits Accrued payroll and benefits Employee payroll contributions accrued Employee-related Liabilities, Current Vesting [Axis] Vesting [Axis] Payments of financing costs Payments of Financing Costs Investments and Fair Value Measurements Fair Value Disclosures [Text Block] Flow Security Flow Security [Member] Flow Security Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Issuance of common stock for founders holdbacks related to acquisitions Stock Issued During Period, Value, New Issues Cumulative net gains Other Long-Term Investments, Gain (Loss) Other Long-Term Investments, Gain (Loss) Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Noncash consideration received from sales of strategic investments Noncash Consideration Received From Sales Of Strategic Investments Noncash Consideration Received From Sales Of Strategic Investments Money market funds Money Market Funds [Member] Movement in Deferred Contract Acquisition Costs [Roll Forward] Movement in Deferred Contract Acquisition Costs [Roll Forward] Movement in Deferred Contract Acquisition Costs 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. Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Movement in Deferred Revenue [Roll Forward] Movement in Deferred Revenue [Roll Forward] Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Debt Redemption Terms [Axis] Debt Redemption Terms [Axis] Debt Redemption Terms Debt Instrument, Redemption, Period Four Debt Instrument, Redemption, Period Four [Member] Assets Assets, Fair Value Disclosure [Abstract] Credit Facility [Domain] Credit Facility [Domain] 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 Margin Debt Instrument, Basis Spread on Variable Rate Long-term debt Long-Term Debt, Excluding Current Maturities Percentage of revenue Percentage of Revenue Represents the percentage of revenue. Leasehold improvements Leasehold Improvements [Member] Sales and marketing Selling and Marketing Expense [Member] Weighted-average shares used in computing net income per share attributable to Class A and Class B of CrowdStrike common stockholders, dilutive (in shares) Weighted-average shares used in computing net income per share attributable to Class A and Class B of CrowdStrike common stockholders, dilutive (in shares) Weighted Average Number of Shares Outstanding, Diluted Capitalized internal-use software and website development costs Software Development [Member] Fair value Fair Value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Professional services Professional Services [Member] Refers to Professional services Schedule of Changes in Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] 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 Operating expenses Operating Expenses [Abstract] Revenue, Deferred Revenue and Remaining Performance Obligations Revenue from Contract with Customer [Text Block] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Additional Paid-in Capital Additional Paid-in Capital [Member] Number of shares of common stock related to early exercised stock options subject to repurchase (in shares) Share-Based Compensation Arrangement By Share-Based 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. Purchased software Purchased Software [Member] Purchased software for sale, licensing or long-term use. Realized gains recognized on sales of privately held equity securities Equity Securities, FV-NI, Realized Gain (Loss) Total assets Assets Gains on strategic investments Strategic Investments, Gain (Loss) Strategic Investments, Gain (Loss) Cover [Abstract] Stock-based compensation expense, net of founder revest APIC, Share-Based Payment Arrangement, Increase for Cost Recognition United States UNITED STATES Recurring Fair Value, Recurring [Member] Proceeds from sales of strategic investments not yet received Proceeds From Sales Of Strategic Investments Not Yet Received Proceeds From Sales Of Strategic Investments Not Yet Received Other liabilities, noncurrent Other Liabilities, Noncurrent 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 Transaction price allocated to remaining performance obligations Revenue, Remaining Performance Obligation, Amount Short-term investments Short-Term Investments Construction in progress Construction in Progress [Member] Total operating expenses Operating Expenses Duration of purchase periods Employee Stock Purchase Plan, Duration Of Purchase Period Represents the duration of purchase period under ESPP. Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Subscription Subscription and Circulation [Member] Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Equity Component [Domain] Equity Component [Domain] Purchase price, threshold percentage of fair market value Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Furniture and equipment Furniture And Equipment [Member] Represents the information pertaining to furniture and equipment. Fair value of replacement equity awards Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Weighted-average shares used in computing net income per share attributable to Class A and Class B of CrowdStrike common stockholders, basic (in shares) Weighted-average shares used in computing net income per share attributable to Class A and Class B of CrowdStrike common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Income (loss) from operations Operating Income (Loss) Net decrease in property and equipment included in accounts payable and accrued expenses Capital Expenditures Incurred (Paid) Capital Expenditures Incurred (Paid) Schedule of Accrued Payroll and Benefits Summary of accrued payroll and benefits [Table Text Block] Tabular disclosure of Accrued payroll and benefits current. Number of reporting units Number of Reporting Units Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Revenue Revenues [Abstract] Statement [Line Items] Statement [Line Items] 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. 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 Unused standby letter of credit Long-Term Line of Credit Customer relationships Customer Relationships [Member] Purchases of deferred compensation investments Payments To Acquire of Deferred Compensation Investments Payments To Acquire of Deferred Compensation Investments Vesting One Share-Based Payment Arrangement, Tranche One [Member] Non-controlling Interest Noncontrolling Interest [Member] Net book value of capitalized internal use software Capitalized Computer Software, Net