The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

+ Details

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- 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

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

This represents amount of effect on guarantee obligations upon initial application of new standard.

+ References

No definition available.

+ Details

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Namespace Prefix:	uxin_
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Period Type:	instant

- Definition

The amount of guarantee income classified as other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation

+ References

No definition available.

+ Details

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Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the information pertaining to guarantee obligations of net assets transferred.

+ References

No definition available.

+ Details

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Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees, before reclassification.

+ References

No definition available.

+ Details

Name:	uxin_GuarantorObligationsCurrentCarryingValueBeforeReclassification
Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease in the guarantor obligation from payments made in cash or in kind to satisfy claims under the terms of the guarantees.

+ References

No definition available.

+ Details

Name:	uxin_GuarantorObligationsDecreaseForPayments
Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) which decreases (increases) the guarantee obligation.

+ References

No definition available.

+ Details

Name:	uxin_GuarantorObligationsGainLoss
Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase in the guarantor obligation from guarantees issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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GUARANTEE LIABILITIES - Movement of Guarantee Liabilities (Details) ¥ in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020 CNY (¥)	Mar. 31, 2022 CNY (¥)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 CNY (¥)	Mar. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)	Mar. 31, 2022 USD ($)	Jun. 10, 2019 CNY (¥)
GUARANTEE LIABILITIES
Beginning balance of the period		¥ 2,441
Guarantee income (i) (Note 13)	¥ 44,471	126	$ 20	¥ 207,825
Ending balance of the period		179		2,441			$ 28
Guarantee liabilities - stand ready
GUARANTEE LIABILITIES
Beginning balance of the period						¥ 321,255
Beginning balance of the period	388,307	172		207,997
Fair value of guarantee liabilities upon the inception of new guarantees						405,084
Guarantee liabilities settled						(398,167)
Losses from guarantee liabilities						362,597
Net assets transferred (Note 3)						(302,462)
Guarantee income (i) (Note 13)		(126)		(207,825)	¥ (44,471)
Ending balance of the period	207,997	46		172	207,997	¥ 388,307		¥ 388,307
Guarantee liabilities - contingent
GUARANTEE LIABILITIES
Beginning balance of the period		2,269		702,952
Ending balance of the period	702,952	¥ 133		¥ 2,269	702,952
ASU 2016-13 \| Guarantee liabilities - stand ready
GUARANTEE LIABILITIES
Changes on initial application of ASU 2016-13	¥ (135,839)				¥ (135,839)