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Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Option Indexed to Issuer's Equity [Line Items] Option Indexed to Issuer's Equity [Line Items] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Redemption price, percentage of principal amount redeemed, under fundamental changes Debt Instrument, Redemption Price, Percentage Of Principal Amount Redeemed, Under Fundamental Changes Debt Instrument, Redemption Price, Percentage Of Principal Amount Redeemed, Under Fundamental Changes Natoma Labs, Inc. Natoma Labs, Inc. [Member] Natoma Labs, Inc. Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock; $0.0001 par value per share; 200,000 shares authorized, zero shares issued and outstanding as of each of July 31, 2026 and January 31, 2026 Preferred Stock, Value, Issued Fiscal 2027 CEO PRSU Fiscal 2027 CEO PRSU [Member] Fiscal 2027 CEO PRSU Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Accrued customer liabilities related to Snowflake Marketplace Accrued Customer Liabilities Related To Snowflake Marketplace Accrued Customer Liabilities Related To Snowflake Marketplace Hedging Designation [Axis] Hedging Designation [Axis] Total assets Assets, Fair Value Disclosure Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Non-marketable debt securities Debt Securities without Readily Determinable Fair Value, Amount Debt Securities without Readily Determinable Fair Value, Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Additional Paid-in Capital Additional Paid-in Capital [Member] Delivery deferral period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Delivery Deferral Period Share-Based Compensation Arrangement By Share-Based Payment Award, Delivery Deferral Period Name Trading Arrangement, Individual Name Unrecognized stock-based compensation costs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Net realized and unrealized losses (gains) on strategic investments Total—included in other income (expense), net Debt and Equity Securities, Gain (Loss) Company Selected Measure Amount Company Selected Measure Amount Net unrealized gains (losses) on strategic investments in equity securities Equity Securities, FV-NI, Unrealized Gain (Loss) Depreciation and amortization Depreciation, Depletion and Amortization Vested and expected to vest, weighted-average remaining contractual life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Performance adjustment (in dollars 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 Non-PEO NEO Non-PEO NEO [Member] Cost of revenue Cost of Product and Service Sold Purchase commitment Purchase Obligation Award Timing Method Award Timing Method [Text Block] Net decrease in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] New Office Facility Lease In The US New Office Facility Lease In The US [Member] New Office Facility Lease In The US Reportable Segment Reportable Segment [Member] Reportable Segment Net loss attributable to Snowflake Inc. 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Contingencies Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Total property and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Capped Call Transactions Capped Call Transactions, Policy [Policy Text Block] Capped Call Transactions, Policy Executive Category: Executive Category [Axis] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Other Americas Other Americas [Member] Other Americas Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Net realized (gains) losses reclassified into net loss Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Treasury Stock, Policy Treasury Stock, Policy [Policy Text Block] Treasury Stock, Policy PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Net change in unrealized gains or losses Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Commitments [Line Items] Other Commitments [Line Items] Cost Of Revenue And Operating Expenses Benchmark Cost Of Revenue And Operating Expenses Benchmark [Member] Cost Of Revenue And Operating Expenses Benchmark Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Due in 3 years to 5 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year Three Through Five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year Three Through Five Accounts payable Increase (Decrease) in Accounts Payable Other Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Stock-based compensation, net of any amounts capitalized Share-Based Payment Arrangement, Noncash Expense Liabilities associated with sales, marketing, and business development programs Liabilities Associated With Sales, Marketing And Business Development Programs Costs, Current Liabilities Associated With Sales, Marketing And Business Development Programs Costs, Current ESPP Rights Employee Stock [Member] Net loss per share attributable to Snowflake Inc. common stockholders - basic (in dollars per share) Earnings Per Share, Basic Total current assets Assets, Current Insider Trading Arrangements [Line Items] Employee payroll tax withheld on employee stock transactions Accrued Payroll Taxes, Current Cliff vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Cliff Vesting Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Cliff Vesting Period Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Debt Conversion Terms Two Debt Conversion Terms Two [Member] Debt Conversion Terms Two Non-cash operating lease costs Noncash Operating Lease Costs Noncash Operating Lease Costs Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Upward adjustments Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Concentration risk, percentage Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Aggregate purchase price Payment For Repurchase Of Common Stock, Excluding Transaction Costs And Excise Tax Payment For Repurchase Of Common Stock, Excluding Transaction Costs And Excise Tax Plan Name [Axis] Plan Name [Axis] Interest receivable, current Interest Receivable, Current Loss contingency, loss in period Loss Contingency Accrual, Loss (Reversal of Loss) Total premium paid Options Indexed To Issuer's Equity, Premium Options Indexed To Issuer's Equity, Premium Other income (expense), net Other Nonoperating Income (Expense) Convertible Senior Notes Long-Term Debt [Text Block] Parent Parent [Member] Gross unrealized losses on available-for-sale marketable debt securities Cash Equivalents And Debt Securities, Available-For-Sale, Unrealized Loss Position, Accumulated Loss, Before Tax Cash Equivalents And Debt Securities, Available-For-Sale, Unrealized Loss Position, Accumulated Loss, Before Tax Purchases of investments Payments to Acquire Investments Post-combination share-based compensation arrangement by share-based payment award, award service period (years) Post-Combination Share-Based Compensation Arrangement By Share-Based Payment Award, Award Service Period Post-Combination Share-Based Compensation Arrangement By Share-Based Payment Award, Award Service Period Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Change in fair value of a non-marketable debt security accounted for under fair value option Debt Securities, Unrealized Gain (Loss) Threshold number of consecutive trading days Debt Instrument, Redemption, Threshold Consecutive Trading Days Debt Instrument, Redemption, Threshold Consecutive Trading Days General and administrative General and Administrative Expense Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Share Repurchase Program [Axis] Share Repurchase Program [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Foreign Exchange Forward Foreign Exchange Forward [Member] Purchase commitment, additional amount Purchase Obligation, Additional Commitment Purchase Obligation, Additional Commitment Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Increase (decrease) in operating lease right-of-use asset Increase (Decrease) In Operating Lease, Right-of-Use Asset Increase (Decrease) In Operating Lease, Right-of-Use Asset Strategic Investments Investment, Policy [Policy Text Block] Vested and expected to vest, outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Construction in progress—capitalized software development costs Construction in Progress - Capitalized Software Development Costs [Member] Construction in Progress - Capitalized Software Development Costs Income Taxes Income Tax Disclosure [Text Block] Cash paid for business combinations, net of cash, cash equivalents and restricted cash acquired Payments To Acquire Businesses, Net Of Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents Acquired Payments To Acquire Businesses, Net Of Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents Acquired Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Accounts payable Accounts Payable, Current Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Business combination, consideration transferred Total Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Other Key Terms and Premiums Paid for Capped Calls Schedule of Options Indexed to Issuer's Equity [Table Text Block] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Class of Stock [Axis] Stock, Class of Stock [Table] Net loss Net loss Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Business acquisition, share price (in dollars per share) Business Combination, Price Per Share Current assets: Assets, Current [Abstract] Revenue Business Combination, Pro Forma Information, Pro Forma Revenue Derivative liabilities Derivative Liability Discount for lack of marketability, percent Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Discount For Lack Of Marketability Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Discount For Lack Of Marketability Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars 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 Provision for income taxes Income Tax Expense (Benefit) Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Principles of Consolidation Consolidation, Policy [Policy Text Block] US District Court Of California V Snowflake, Inc. US District Court Of California Vs Snowflake, Inc. [Member] US District Court Of California Vs Snowflake, Inc. Statement [Table] Statement [Table] Amortized Cost Cash Equivalents And Debt Securities, Available-For-Sale, Amortized Cost Cash Equivalents And Debt Securities, Available-For-Sale, Amortized Cost Proceeds from exercise of stock options Proceeds from Stock Options Exercised Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Certificates of deposit Certificates of Deposit [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block]