Variable Interest Entities - Schedule of Consolidated VIEs (Details) - USD ($) $ in Thousands		May 31, 2022	Nov. 30, 2021
Variable Interest Entity [Line Items]
Assets	[1]	$ 57,213,810	$ 60,404,110
Liabilities	[1]	46,701,830	49,674,070
Noncontrolling interests		67,962	25,885
Variable interest entities, primary beneficiary
Variable Interest Entity [Line Items]
Assets		854,800	1,050,000
Liabilities		2,680,000	4,640,000
Noncontrolling interests		34,600
Variable interest entities, primary beneficiary | Receivables
Variable Interest Entity [Line Items]
VIE assets, eliminated in consolidation		1,400	1,200
Variable interest entities, primary beneficiary | Other assets
Variable Interest Entity [Line Items]
VIE assets, eliminated in consolidation		65,500	56,500
Variable interest entities, primary beneficiary | Other secured financings
Variable Interest Entity [Line Items]
VIE liabilities, eliminated in consolidation		252,600	36,700
Variable interest entities, primary beneficiary | Other liabilities
Variable Interest Entity [Line Items]
VIE liabilities, eliminated in consolidation		85,000	75,300
Variable interest entities, primary beneficiary | Secured Funding Vehicles
Variable Interest Entity [Line Items]
Assets		2,958,200	4,615,400
Liabilities		2,919,800	4,568,200
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Cash
Variable Interest Entity [Line Items]
Assets		0	3,800
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Financial instruments owned, at fair value
Variable Interest Entity [Line Items]
Assets		0	173,100
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Securities purchased under agreements to resell
Variable Interest Entity [Line Items]
Assets		2,172,600	3,697,100
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Receivables
Variable Interest Entity [Line Items]
Assets		668,200	626,800
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Other assets
Variable Interest Entity [Line Items]
Assets		117,400	114,600
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Financial instruments sold, not yet purchased, at fair value
Variable Interest Entity [Line Items]
Liabilities		0	0
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Other secured financings
Variable Interest Entity [Line Items]
Liabilities		2,916,300	4,521,600
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Other liabilities
Variable Interest Entity [Line Items]
Liabilities		3,500	46,600
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Noncontrolling Interests
Variable Interest Entity [Line Items]
Noncontrolling interests		0	0
Variable interest entities, primary beneficiary | Other
Variable Interest Entity [Line Items]
Assets		136,200	187,000
Liabilities		97,000	184,400
Variable interest entities, primary beneficiary | Other | Cash
Variable Interest Entity [Line Items]
Assets		100	0
Variable interest entities, primary beneficiary | Other | Financial instruments owned, at fair value
Variable Interest Entity [Line Items]
Assets		37,800	146,400
Variable interest entities, primary beneficiary | Other | Securities purchased under agreements to resell
Variable Interest Entity [Line Items]
Assets		0	0
Variable interest entities, primary beneficiary | Other | Receivables
Variable Interest Entity [Line Items]
Assets		30,500	40,600
Variable interest entities, primary beneficiary | Other | Other assets
Variable Interest Entity [Line Items]
Assets		67,800	0
Variable interest entities, primary beneficiary | Other | Financial instruments sold, not yet purchased, at fair value
Variable Interest Entity [Line Items]
Liabilities		6,900	109,100
Variable interest entities, primary beneficiary | Other | Other secured financings
Variable Interest Entity [Line Items]
Liabilities		0	0
Variable interest entities, primary beneficiary | Other | Other liabilities
Variable Interest Entity [Line Items]
Liabilities		90,100	75,300
Variable interest entities, primary beneficiary | Other | Noncontrolling Interests
Variable Interest Entity [Line Items]
Noncontrolling interests		$ 34,600	$ 0

[1] Total assets include assets related to variable interest entities of $854.8 million and $1.05 billion at May 31, 2022 and November 30, 2021, respectively, Total liabilities include liabilities related to variable interest entities of $2.68 billion and $4.64 billion at May 31, 2022 and November 30, 2021, respectively, and Noncontrolling interests include noncontrolling interests related to variable interest entities of $34.6 million at May 31, 2022. See Note 7 for additional information related to variable interest entities.