Variable Interest Entities - Narrative (Details) - USD ($) $ in Thousands	May 31, 2026	Nov. 30, 2025
Variable Interest Entity [Line Items]
Assets	$ 79,539,946	$ 76,012,347
Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Assets	3,908,000	4,178,800
Related party private equity vehicles
Variable Interest Entity [Line Items]
Equity investments	300	400
Funded equity commitments	4,000	3,400
Related party private equity vehicles \| Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Assets	3,900	3,500
Other investment vehicles
Variable Interest Entity [Line Items]
Equity investments	205,600	282,200
Carrying amount of equity investment	1,610,000	1,720,000
Other investment vehicles \| Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Assets	1,613,500	1,722,700
Agency mortgage-backed securities \| Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Assets	1,160,000	1,060,000
Non-agency mortgage and other asset-backed securities \| Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Assets	156,600	156,300
JCP Entities \| Related party private equity vehicles
Variable Interest Entity [Line Items]
Equity investments	$ 8,800	$ 9,700

Amount of asset recognized for present right to economic benefit.

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