Variable Interest Entities - Narrative (Details) - USD ($) $ in Thousands		Aug. 31, 2022	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2020
Variable Interest Entity [Line Items]
Assets	[1]	$ 55,229,811	$ 60,404,110
Investment in associated company		1,753,323	1,745,790	$ 1,744,965	$ 1,686,563
Other investment vehicles
Variable Interest Entity [Line Items]
Carrying amount of equity investment		1,370,000	1,110,000
Unfunded equity commitments related to investments		136,300	90,000
JCP entities | Related party private equity vehicles
Variable Interest Entity [Line Items]
Equity commitments		133,000	133,000
Funded equity commitments		122,300	122,300
Carrying amount of equity investment		29,600	27,100
VIE, not primary beneficiary
Variable Interest Entity [Line Items]
Assets		2,368,400	2,002,700
Reported total assets		38,090,400	28,932,400
VIE, not primary beneficiary | Investment in FXCM
Variable Interest Entity [Line Items]
Reported total assets		401,200
Fair value of senior secured term loan receivable		30,100
Investment in associated company		49,900
VIE, not primary beneficiary | Related party private equity vehicles
Variable Interest Entity [Line Items]
Assets		29,600	27,100
Reported total assets		82,700	78,900
VIE, not primary beneficiary | Other investment vehicles
Variable Interest Entity [Line Items]
Assets		1,368,500	1,111,500
Reported total assets		24,390,800	15,101,400
VIE, not primary beneficiary | Agency mortgage-backed securities
Variable Interest Entity [Line Items]
Assets		1,600,000	1,310,000
VIE, not primary beneficiary | Non agency mortgage- and asset-backed securities
Variable Interest Entity [Line Items]
Assets		$ 175,600	$ 253,900

[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.