Variable Interest Entities - Schedule of Consolidated VIEs (Details) - USD ($) $ in Thousands		Aug. 31, 2022	Nov. 30, 2021
Variable Interest Entity [Line Items]
Assets	[1]	$ 55,229,811	$ 60,404,110
Liabilities	[1]	44,731,057	49,674,070
Noncontrolling interests		67,845	25,885
Variable interest entities, primary beneficiary
Variable Interest Entity [Line Items]
Assets		951,000	1,050,000
Liabilities		2,190,000	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		71,200	56,500
Variable interest entities, primary beneficiary | Other secured financings
Variable Interest Entity [Line Items]
VIE liabilities, eliminated in consolidation		251,200	36,700
Variable interest entities, primary beneficiary | Other liabilities
Variable Interest Entity [Line Items]
VIE liabilities, eliminated in consolidation		69,500	75,300
Variable interest entities, primary beneficiary | Secured Funding Vehicles
Variable Interest Entity [Line Items]
Assets		2,459,600	4,615,400
Liabilities		2,406,600	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		1,575,800	3,697,100
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Receivables
Variable Interest Entity [Line Items]
Assets		753,200	626,800
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Other assets
Variable Interest Entity [Line Items]
Assets		130,600	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		2,403,400	4,521,600
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Long-term debt
Variable Interest Entity [Line Items]
Liabilities		0	0
Variable interest entities, primary beneficiary | Secured Funding Vehicles | Other liabilities
Variable Interest Entity [Line Items]
Liabilities		3,200	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		139,800	187,000
Liabilities		104,700	184,400
Variable interest entities, primary beneficiary | Other | Cash
Variable Interest Entity [Line Items]
Assets		200	0
Variable interest entities, primary beneficiary | Other | Financial instruments owned, at fair value
Variable Interest Entity [Line Items]
Assets		35,100	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		26,800	40,600
Variable interest entities, primary beneficiary | Other | Other assets
Variable Interest Entity [Line Items]
Assets		77,700	0
Variable interest entities, primary beneficiary | Other | Financial instruments sold, not yet purchased, at fair value
Variable Interest Entity [Line Items]
Liabilities		3,700	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 | Long-term debt
Variable Interest Entity [Line Items]
Liabilities		24,300	0
Variable interest entities, primary beneficiary | Other | Other liabilities
Variable Interest Entity [Line Items]
Liabilities		76,700	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 $951.0 million and $1.05 billion at August 31, 2022 and November 30, 2021, respectively, Total liabilities include liabilities related to variable interest entities of $2.19 billion and $4.64 billion at August 31, 2022 and November 30, 2021, respectively, and Noncontrolling interests include noncontrolling interests related to variable interest entities of $34.6 million at August 31, 2022. See Note 7 for additional information related to variable interest entities.