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Derivative Financial Instruments - Unrealized and Realized Gains (Losses) on Derivative Contracts (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (12,383)	$ (15,971)	$ (24,702)	$ (31,796)
Net settlements	12,200	16,100	24,100	32,000
Unrealized and realized gains (losses)	845,261	135,007	1,318,885	(163,234)
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(8,710)	36,783	(31,212)	58,505
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	21,645	42,363	16,770	32,529
Equity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	823,950	50,298	1,318,166	(259,358)
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	7,723	14,332	13,457	18,432
Credit contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	653	(8,769)	1,704	(13,342)
Net investment hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	(90,986)	(10,925)	(74,132)	(8,808)
Net investment hedging | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	(90,986)	(10,925)	(74,132)	(8,808)
Long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	(11,968)	10,282	(18,659)	(985)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (415)	$ (26,253)	$ (6,043)	$ (30,811)

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

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