XML 88 R75.htm IDEA: XBRL DOCUMENT v3.25.2

Securitization Activities - Retained Interests in SPEs (Details) - USD ($) $ in Millions	Aug. 31, 2025	Nov. 30, 2024
Securitization Vehicles [Line Items]
Total RMBS securitization assets	$ 461.8	$ 3,956.8
Total CMBS securitization assets	919.9	1,817.1
CLOs	10,238.3	9,001.9
Consumer and other loans	2,138.2	1,424.4
U.S. government agency RMBS
Securitization Vehicles [Line Items]
Retained Interests	12.6	105.7
U.S. government agency CMBS
Securitization Vehicles [Line Items]
Retained Interests	24.9	91.8
CLOs
Securitization Vehicles [Line Items]
Retained Interests	48.4	37.2
Consumer and other loans
Securitization Vehicles [Line Items]
Retained Interests	$ 80.1	$ 52.1

X

- Definition

Represents unpaid principal amount of assets in commercial mortgage backed securitization vehicles at the balance sheet date.

+ References

No definition available.

+ Details

Name:	jef_CmbsSecuritizationAssets
Namespace Prefix:	jef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Collateralized Loan Obligations Securitization Assets

+ References

No definition available.

+ Details

Name:	jef_CollateralizedLoanObligationsSecuritizationAssets
Namespace Prefix:	jef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Other Securitization Assets

+ References

No definition available.

+ Details

Name:	jef_OtherSecuritizationAssets
Namespace Prefix:	jef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents unpaid principal amount of assets in residential mortgage backed securitization vehicles at the balance sheet date.

+ References

No definition available.

+ Details

Name:	jef_RmbsSecuritizationAssets
Namespace Prefix:	jef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Securitization vehicles.

+ References

No definition available.

+ Details

Name:	jef_SecuritizationVehiclesLineItems
Namespace Prefix:	jef_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

+ Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=jef_UsGovernmentAgencyIssuedRmbsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=jef_UsGovernmentAgencyIssuedCmbsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_OtherDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: