Derivative Financial Instruments - Unrealized and Realized Gains (Losses) on Derivative Contracts (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ 3,544	$ (302)	$ 6,564	$ (704)
Unrealized and realized gains (losses)	41,182	24,966	(41,979)	153,623
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	24,243	2,053	71,273	(847)
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	21,364	(4,079)	(20,760)	(5,168)
Equity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(3,315)	9,147	(93,012)	146,035
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	1,754	5,291	2,563	(781)
Credit contracts
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized and realized gains (losses)	(2,864)	12,554	(2,043)	14,384
Net investment hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	(21,906)	0	(63,406)	0
Net investment hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on net investment hedges recognized in other comprehensive income (loss)	(21,906)	0	(63,406)	0
Long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	5,215	(22,306)	52,026	(47,173)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (1,671)	$ 22,004	$ (45,462)	$ 46,469

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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