Derivative Financial Instruments - Unrealized and Realized Gains (Losses) on Derivative Contracts (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (10,014)	$ (12,383)	$ (19,809)	$ (24,702)
Net settlements	9,700	12,200	19,300	24,100
Unrealized and realized gains (losses)	(292,537)	845,261	(412,152)	1,318,885
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(80,358)	(8,710)	(80,091)	(31,212)
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	3,178	21,645	1,447	16,770
Equity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(221,296)	823,950	(340,671)	1,318,166
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	14,596	7,723	18,878	13,457
Credit contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(8,657)	653	(11,715)	1,704
Net investment hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	20,434	(90,986)	(7,531)	(74,132)
Net investment hedging \| Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	20,434	(90,986)	(7,531)	(74,132)
Long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	19,391	(11,968)	8,475	(18,659)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (29,405)	$ (415)	$ (28,284)	$ (6,043)

Gain (Loss) On Fair Value Hedges Recognized In Earnings, Settlements, Net

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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