Common Stock, Number Of Classes Of Stock

No definition available.

Name:	snow_CommonStockNumberOfClassesOfStock
Namespace Prefix:	snow_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Common Stock, Voting Rights, Votes Per Share

+ References

No definition available.

+ Details

Name:	snow_CommonStockVotingRightsVotesPerShare
Namespace Prefix:	snow_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Conversion, Percent Threshold Outstanding

+ References

No definition available.

+ Details

Name:	snow_ConversionPercentThresholdOutstanding
Namespace Prefix:	snow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Founders

+ References

No definition available.

+ Details

Name:	snow_NumberOfFounders
Namespace Prefix:	snow_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Post-combination Share-based Compensation Arrangement by Share-based Payment Award, Award Service Period

+ References

No definition available.

+ Details

Name:	snow_PostCombinationShareBasedCompensationArrangementByShareBasedPaymentAwardAwardServicePeriod
Namespace Prefix:	snow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Post-combination Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period

+ References

No definition available.

+ Details

Name:	snow_PostCombinationShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod
Namespace Prefix:	snow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Post-combination Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Total Fair Value

+ References

No definition available.

+ Details

Name:	snow_PostCombinationShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue
Namespace Prefix:	snow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Stock Plan Offering Period

+ References

No definition available.

+ Details

Name:	snow_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanOfferingPeriod
Namespace Prefix:	snow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4313-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586

+ Details

Name:	us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gross number of share options (or share units) granted during the period.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=snow_StreamlitIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=snow_A2020EquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=snow_A2012EquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=snow_RestrictedCommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=snow_OutsideOfThePlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Equity - Narrative (Details) $ / shares in Units, $ in Millions						3 Months Ended				9 Months Ended
	Mar. 31, 2022 USD ($) founder shares	Feb. 01, 2022 shares	Mar. 03, 2021 shares	Mar. 01, 2021 vote $ / shares shares	Feb. 28, 2021 vote	Oct. 31, 2022 USD ($) $ / shares shares	Jul. 31, 2022 shares	Apr. 30, 2022 shares	Oct. 31, 2021 shares	Oct. 31, 2022 USD ($) founder $ / shares shares	Oct. 31, 2021 USD ($) shares	Jan. 31, 2022 $ / shares shares	Sep. 30, 2020 class $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Preferred stock, shares authorized (in shares)						200,000,000				200,000,000		200,000,000	200,000,000
Preferred stock, par value (in dollars per share) \| $ / shares						$ 0.0001				$ 0.0001		$ 0.0001	$ 0.0001
Common stock, number of classes of stock \| class													2
Conversion, percent threshold					10.00%
Shares authorized (in shares)								15,619,000
Granted (per share) \| $ / shares										$ 101.66
Options granted (shares)						0		642,000	0		0
Intrinsic value of shares exercised \| $										$ 875.0	$ 3,800.0
Grant date fair value of vested shares \| $										$ 60.7	$ 62.7
Expected dividend yield						0.00%			0.00%	0.00%
Unrecognized share-based compensation expense \| $						$ 2,500.0				$ 2,500.0
Unrecognized share-based compensation expense recognition period (term)										3 years
Streamlit, Inc.
Share-based Compensation Arrangement by Share-based Payment Award
Number of founders \| founder	3									3
2020 Equity Incentive Plan:
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (in shares)		15,600,000
Employee stock purchase rights under the 2020 ESPP
Share-based Compensation Arrangement by Share-based Payment Award
Offering period										6 months
Shares authorized (in shares)		3,100,000
Expected dividend yield										0.00%	0.00%
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period (years)										4 years
Expiration period (years)										10 years
Expected dividend yield										0.00%
Stock options \| 2012 Equity Incentive Plan:
Share-based Compensation Arrangement by Share-based Payment Award
Expiration period (years)										10 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period (years)										4 years
Granted (shares)						2,361,000	1,374,000	5,763,000
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number						15,561,000	14,337,000	14,200,000		15,561,000		9,612,000
RSUs \| Grant Date
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period (years)										1 year
RCS \| Outside of the Plans
Share-based Compensation Arrangement by Share-based Payment Award
Granted (shares)								409,000
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number						518,000	609,000	699,000		518,000		380,000
RCS \| Outside of the Plans \| Streamlit, Inc.
Share-based Compensation Arrangement by Share-based Payment Award
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number						400,000				400,000
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares)						2,500,000,000				2,500,000,000		2,500,000,000	2,500,000,000
Common stock, par value (in dollars per share) \| $ / shares				$ 0.0001		$ 0.0001				$ 0.0001		$ 0.0001
Common stock, voting rights, votes per share \| vote				1
Class A Common Stock \| RCS \| Outside of the Plans \| Streamlit, Inc.
Share-based Compensation Arrangement by Share-based Payment Award
Granted (shares)	400,000									400,000
Post-combination share-based compensation arrangement by share-based payment award, award vesting period	3 years									3 years
Post-combination share-based compensation arrangement by share-based payment award, equity instruments other than options, granted in period, total fair value \| $	$ 93.7									$ 93.7
Post-combination share-based compensation arrangement by share-based payment award, award service period	3 years									3 years
Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares)						185,461,000				185,461,000		185,461,000	355,000,000
Shares converted (in shares)			169,500,000	169,500,000
Common stock, par value (in dollars per share) \| $ / shares				$ 0.0001		$ 0.0001				$ 0.0001		$ 0.0001
Common stock, voting rights, votes per share \| vote					10