Consultation Agreement Period

No definition available.

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Namespace Prefix:	mogu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Loans agreement term.

+ References

No definition available.

+ Details

Name:	mogu_LoansAgreementTerm
Namespace Prefix:	mogu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Organization Consolidation And Presentation Of Financial Statements [Line Items]

+ References

No definition available.

+ Details

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Namespace Prefix:	mogu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Variable interest entity percentage of equity interest pledged.

+ References

No definition available.

+ Details

Name:	mogu_VariableInterestEntityPercentageOfEquityInterestPledged
Namespace Prefix:	mogu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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-Section S99
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-Publisher FASB
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

+ Details

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

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

+ Details

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

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PledgedStatusAxis=us-gaap_AssetNotPledgedAsCollateralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=mogu_AmendedAndRestatedLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mogu_ChenQiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=mogu_HangzhouShiquInformationAndTechnologyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=mogu_YueXuqiangMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Organization and Principal Activities - Additional Information (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2021 CNY (¥)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 CNY (¥)	Jul. 18, 2018 CNY (¥)
Organization Consolidation And Presentation Of Financial Statements [Line Items]
VIEs, percentage of equity interest pledged by shareholders	100.00%
Asset of the consolidated VIEs that can only be used to settle obligations of the respective consolidated VIEs	¥ 1,839,856	$ 280,816	¥ 2,440,756
VIEs and VIEs Subsidiaries
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Asset of the consolidated VIEs that can only be used to settle obligations of the respective consolidated VIEs	959,568		¥ 966,170
VIEs and VIEs Subsidiaries \| Asset Not Pledged as Collateral [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Asset of the consolidated VIEs that can only be used to settle obligations of the respective consolidated VIEs	¥ 0
Amended and Restated Loan Agreement
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Loan agreement to shareholders of VIE, term	20 years
Amended and Restated Loan Agreement \| Mr. Qi Chen \| Hangzhou Shiqu Information and Technology Co., Ltd.
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Loan agreement provided to related parties				¥ 5,867
Amended and Restated Loan Agreement \| Mr. Yibo Wei \| Hangzhou Shiqu Information and Technology Co., Ltd.
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Loan agreement provided to related parties				2,362
Amended and Restated Loan Agreement \| Mr. Xuqiang Yue \| Hangzhou Shiqu Information and Technology Co., Ltd.
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Loan agreement provided to related parties				¥ 1,771
Exclusive Consultation and Service Agreements
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Exclusive consultation and service agreement between subsidiary and VIEs, term	10 years