XML 88 R75.htm IDEA: XBRL DOCUMENT v3.24.3

Collateralized Transactions - Narrative (Details) - USD ($) $ in Millions	Aug. 31, 2024	Nov. 30, 2023
Collateralized Transactions [Abstract]
Fair value of securities received as collateral	$ 40,780	$ 33,990

X

- Definition

Collateralized Transactions [Abstract]

+ References

No definition available.

+ Details

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

X

- Definition

Fair value of collateral permitted, by contact or custom, to be sold or re-pledged.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A

+ Details

Name:	us-gaap_FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant